- 'since dvd video borescope ... · aa0021 """ page 4 =1 tile contents of this...

Don Maddock's BORESCOPE ON VIDEO, INC. (PHX AZ) 83 South Mountain View Rd. Apache Junction AZ - USA 85119·9861

Business 480-671· 6734 Cell 602-619-6633 Insp ected by: Dave Wiedman [email protected]

'- www.borescopeonvideo.com 'Since 1996"

DVD Video Borescope Inspection Report UNITED ~

EXPRESS ~ ........... (_...,. Qr ... 24950 Country Club Blvd, Suite 110, North Olmsted, Ohio 44070

ESN PCE AR0027 POSITION One ENG TYPE PW123 DA TE September 11, 2017

MODEL DCH-8 8-314 MSN 554

JOB SITE Jazz. Halifax - Nova Scotia YHZ

ESN PCE AR0028 MODEL DCH-8 8-314

POSITION Two

MSN 554

JOB SITE Jazz Halifax - Nova Scotia YHZ

ESN SP-E025164 POSITION APU


JOB SITE Jazz Halifax - Nova Scotia YHZ

REG# N837CA

ENG TYPE PW123

REG# N837CA

ENG TYPE APS500 PIN 167301-101A

REG# N837CA

REASON Acceptance Inspection

DATE September 11, 2017


DA TE September 11. 2017


Don Maddock's BORESCOPE ON VIDEO, INC. (PHX AZ) 83 South Mountain View Rd. Apache Junction AZ - USA 85119-9861

Business 480-671-6734 Cell 602-619-6633 Inspected by: Dave Wiedman [email protected]

- '- www.borescopeonvideo.com "Since 1996"

DVD Video Borescope Inspection Report U N I TED [:'.'I

EX PR ESS ~ °""" ...... '--~ ... 24950 Country Club Blvd, Suite 110, North Olmsted, Ohio 44070

ESN PCE AR0028 POSITION Two ENG TYPE PW123 DATE September 11 , 2017


JOB SITE Jazz. Halifax - Nova Scotia YHZ

General Inspection Ref. PW MM 72-00-00

Exterior Inspection No damage noted to the outer case or the accessories.

Suggested Action: None.

Compressor Impeller Ref. PW MM 72-00-00

LP Impeller Inlet LE dent in area Cb on one blade .350" long but <.118" deep is permitted. LE nicks and dents in area Cb observed on one blade >.030" in depth and >.060" long must be blended. Several others with small tears and raised material also require blending. Ref. AMM 72-00-00 inspection check 1 pgs. 7, 9 & 10 attached. LP Impeller Outlet No discrepancies noted at this time.

REG# N837CA

Suggested Action: Blend LP Impeller blades IA W AMM.


DVD Video Borescope Inspection Report

HP Impeller Inlet Minor LE nicks and dents observed on several blades in area C <.020" are permitted. One dent near root in area C <.5" in length is permitted. Nick in the LE observed on one blade in area C .013" in depth and .032" in radial length refers to Category 1. Nick in the LE observed on one splitter vane in area C .027" in depth and .095" in radial length refers to Category 1 : Record the size and type of damage found . Do a subsequent borescope inspection after 100 hours, but not later then 200 hours. If the subsequent inspection reveals no change in the condition of the damage from the initial inspection, no more action is required . Ref. AMM 72-00-00 inspection check 1pgs. 14, 15& 16attached.

ESN PCE-AR0028

Suggested Action: Refer to Category 1 as stated above.

11/SEP/'17 ---- Page2 =:J

()1ift: 1ili1f CQ


Combustion Chamber Outer cooling ring observed with several areas of burns, cracks, coating erosion and missing material are permitted. Ref. AMM 72-00-00 inspection check 2 pg. 6 attached.

NGV's Cracks observed on the TE, concave side and inner platforms of many vanes are permitted.

Small holes observed in the LE of four vanes exposing the inner cavity refer to Category C: Serviceable condition with subsequent borescope inspection interval: For engine on ECTM: 600 hours maximum.

For engine not on ECTM: 400 hours maximum. NOTE: For more frequent borescope inspections, it is recommended to do a borescope inspection through the igniter ports instead of the fuel nozzle ports. Ref. AMM 72-00-00 Inspection Check 2 pgs. 14, 16 & 19 attached.

ESN PCE-AR0028

Suggested Action: Refer to Category C as stated above.

11/SEP/'17 Page3


Turbine Reference PW MM 72-00-00

HPT Blades No discrepancies noted at this time.

LPT Blades No discrepancies noted at this time.

Power Turbine 1 Blades No discrepancies noted at this time.

Power Turbine 2 Blades No discrepancies noted at this time.

Case Air Plenum No discrepancies noted at this time.

Suggested Action: None.

ESN PCE-AR0028 11/SEP/'17

AA0021

"""

Page 4 =1

Tile contents of this report are based on attentive inspection and review. It is exclusive of any damage not detectable wit/Jou/ removal and disassembly of tile unit. This report is submitted in confidence to tile above named client. Tile external video walk around is for cursory purposes only which covers general cleanliness, obvious damage and leaks, a more detailed inspection should be provided by the maintenance facility. Some service bulletins and AD's may be incorporated as routine but specific SB's should be requested with tile work order. Although this report is believed to be a true and fair representation of the condition of the engine. the client acknowledges that BO V's liability is limited to tile amount of the invoice. The engines inspected may /Jave been prepared for borescope by tile facility named above under j ob site and returned to original condition by the same facility. Maintenance Manual pages attached to this report if any are uncontrolled and are for general reference only. Verify limits with current MM effective for this engine and or aircraft.

SIGNATURE DATE September 11, 2017

DVD Video Borescope Inspection Report ESN PCE-AR0028 11/SEP/'17 Page5 :J ENGL\E - INSPECTION CHECK- I P;ig.e 7 of 62

72-00-00 ENGINE - INSPECTION/CHECK-1

PRATT & WHITNEY CANADA MAINTENANCE MANUAL

MODEL(S) PW123 (BUILD SPEC. 707) / PW123B (BUILD SPEC. 785) / PW123C (BUILD SPEC. 838)/PW123D (BUILD SPEC. 839)/PW123E (BUILD SPEC. 869)

Manua l Part No. 3036432, Revis ion No. 51.0, Dated AUG 29/2016

Detail F} .

.9. General: Except for FOO damage causing engine surge or unusual w hin ing noise where the engine has to be removed immediately , allowable blend repairs (Ref. Table .2Q.1 ) must be performed within 25 FH following the identification of the LP impeller damage. Dents in area Cb may be serviceable until blend repair is possib le. Refer to Table 601 for acceptance criteria .

1- r Table 601 LP Impeller Inspection (Full and Splitter Vanes)

Area Area Name Inspection Limits

Ca Inner Leading Edge Nicks or dents 0.030 in. (0.76 mm) (extends 1.0 in. (25.4 deep Max. and 0.060 in. (1.52 mm) mm) long Max. are serviceable. from root radius) Blend repair nicks or dents more

than 0.030 in. (0.76 mm) deep and 0.060 in. (1.52 mm) long, to a maximum depth 0.200 in. (5.10 mm) (Ref. Notes 1, 2 and 3). Replace the impeller if nicks or dents are more than 0.060 in. (1 .52 mm) long and 0.200 in. (5.10 mm) deep.

Cb Outer leading edge Nicks 0.030 in. (0.76 mm) deep and blade tip Max. and 0.060 1n. (1 .52 mm) long (extends from Ca to Max. are serviceable vane tip) Blend repair nicks more than 0.030

in. (0.76 mm) deep and 0.060 in

( 1 52 mm) long, to a maximum depth 0.250 in. (6.35 mm) (Ref. Notes 1, 2 and 3). Replace the impeller if nicks are more than 0.060 in. (1.52 mm) long and 0.250 in . (6.35 m'l!) deep. Dents from 0.030 in. (0.76 mm) to 0 118 in . (3.00 mmJ deep Max. and 0 325 in. (8.25 mm1 long Max. are serviceable with shorter inspection intervals until blend repair is possible (Ref. Notes 1. 2 and 4 ). Replace the impeller if dents are more than 0.118 in. (3.00 mm) deep and 0.325 in.(8.25 mm) long. Bent LP impeller airfoil tips ( 1.000 X 0.125 in. Max) can be repaired by cutting blade tip triangularly (Ref

Printed on: 8JUN/17 P&WC Proprie tary - s11hj ect to r estrict io ns in Technica l Data Agreem en t

DVD Video Borescope Inspection Report ESN PCE-AR0028 11/SEP/ '17 Page 6

ENGNE - INSPECTION/CHECK- I



Page 9of 62

MODEL(S) PW123 (BUILD SPEC. 707}/PW123B (BUILD SPEC. 785} / PW123C {BUILD SPEC. 838}/PW1230 (BUILD SPEC. 839)/PW123E (BUILD SPEC. 869)

Manual Part No . 3036432, Revision No. 51.0, Dated AUG 29/2016

Area I Area Name I inspection Limits

NOTE: 1. A dent is surface damage without sharp edges. A nick is surface damage with sharp edges.

'NOTE: 2 Nicks or dents must be blended 1f raised material or tears are present.

NOTE: 3. Serviceable and blend repaired nicks or dents must be monitored, by visual inspection or with a borescope for the presence of or beginning of a crack (Ref. 05-20-00, SCHEDULED INSPECTIONS/MAINTENANCE INTERVALS). Cracks are not acceptable.

NOTE: 4. Dents (Ref. Area Cb) must be monitored , by visual inspection or by using a borescope, every 200 hours for the presence of or beginning of a crack. Cracks are not acceptable.

Printed on: 8JUN /17 P&WC Pro1>rie tary - subject to restrictions in Technical Da ta Agreem ent

DVD Video Borescope Inspection Report ESN PCE-AR0028 11/SEP/'17 Page 7 =:J ENGINE - INSPECTIO /CHECK- I Pnge 10of62



MODEL{S) PW123 (BUILD SPEC. 707)/PW123B {BUILD SPEC. 785)/PW123C (BUILD SPEC. 838)/PW123D (BUILD SPEC. 839)/PW123E (BUILD SPEC. 869)

Manual Part No. 3036432, Revision No. 51.0, Dated AUG 29/2016

Figure 601 LP Impeller - Inspection (Full and Splitter Vanes)

~ 0.125 IN. l (3.1 8 mm)

:::;.:::--' t

_J ~ l lN. (25.4 mm)

AREA K BENT AEROFOIL TIP

A

E~

D. I I Clb E

1 IN. --l c I I ~/ (25.4 mm)

8i J _ -_-::::::.f ' 2--

0.125 IN. .---(3.1 7 mm) -i H'

Cc SECTION C-C

i 0.150 IN. I ), (3.81 mm) ' IAINl~1U~i I,' RADIUS (/ --

_fa-~-----NOT ACCEPTABLE ACCEPTABLE

AREA Cc & H - BLEND LIMITS

A

0.030 IN. MIN (0.76 mm.)

0.030 IN. IAI N (0.76 mm .)

.--0.250 IN. ~IAX (6.35 mm)

VIEY/ D

"1 0.250 IN. MAX I (6.35 mm)

"'-._ 1 0.030 IN. MIN - (0.76mm.)

AS REOUIREO (AREA Cb ONL V)

0.030 IN. MIN (0.76 mm.)

VIEW E

Printed on: 8JUN/17 P&WC Pr o1>rietary - s11hject to restrictions in Technica l Data Agreem ent

DVD Video Borescope Inspection Report ESN PCE-AR0028 11/SEP/'17 PageB =:J ENGil\c - INSPECTIO /CHECK- I Page 14 of6:



MODEL(S) PW123 (BUILD SPEC. 707)/PW123B (BUILD SPEC. 785)/PW123C (BUILD SPEC. 838)/PW123D (BUILD SPEC. 839)/PW123E (BUILD SPEC. 869)


Figure 602 HP Impeller - Inspection (Full and Splitter Vanes)

AREA

Cc c A

FULL BLADES 0.1 25 in. (3.17mm) Ref. 0.900 in. (22.86 mm) Ref. 2.600 In. (66.05 mm)

SPLITTER BLADES 0.125 In. (3.17 mm) Ref. 0.650 in. (16.51 mm) Ref. 1.600 in. (40.64 mm)

I ~ Table 602 HP Impeller Inspection (Full and Splitter Vanes) (Ref. Fig . 602)

Printed 0 11: 8 JUN/1 7 P&WC Propriet ary - subject to r estrictions in Technical Dat a Agr eem en t

DVD Video Borescope Inspection Report ESN PCE-AR0028 11/SEP/'17

ENGINE - INSPECTION/CHECK-!



Page9

Page 15 of 62

MODEL(S) PW123 (BUILD SPEC. 707)/PW123B (BUILD SPEC. 785)/PW123C (BUILD SPEC. 838)/PW123D (BUILD SPEC. 839)/PW123E (BUILD SPEC. 869)


TYPE OF AREA A (Vane tip) or AREA Cc DAMAGE Area C (Leading edge, (Root radius, at leading

extends from root edge) radius)

Dent A dent less than 0.500 A dent less than 0.500 in. (Ref. Fig. 603) in. (12.7 mm) (12.7 mm)

in length is serviceable. in length that is mostly No action required. included or

part ially extends into Area Cc is serviceable. No action required.

A dent more than 0.500 A dent more than 0.500 in. {12.7 mm) in. (12.7 mm) in length, refer to in length that extends Category 1. into Area Cc,

refer to Category 1.

Nick A nick less than 0.020 in. A nick less than 0.020 in. (Ref. Fig. 604) (0.51 mm) (0.51 mm) (Ref. NOTE 1) in size is serviceable. in size is serviceable.

No action required. No action required.

A nick between 0.020 to A nick between 0.020 to 0.120 in. 0.040 in. (0.51 -3.05 mm) in size. (0.51-1.02 mm) in size, refer to Category 1. refer to Category 1.

A nick between 0.120 to A nick between 0.040 to 0.300 in. 0.080 in. (3.05-7.62 mm) in size, (1.02-2.03 mm) in size, refer to Category 2. refer to Category 2.

A nick more than 0.300 A nick more than 0.080 in. (7.62 mm) in. (2.03 mm) in size. refer to Category in size, refer to Category 3. 3.

Tear A tear less than 0.020 in. A tear less than 0.020 in. (Ref. Fig. 605) (0.51 mm) (0.51 mm) (Ref. NOTE 1) in size is serviceable. in size is serviceable.

No action required. No action required .

A tear between 0.020 to A tear between 0.020 to 0.120 in. 0.040 in. (0.51 -3.05 mm) in size, (0.51-1.02 mm) in size, refer to Category 1. refer to Category 1.

A tear between 0.120 to A tear between 0.040 to 0.300 in. 0.080 in.

Printed o n : 8JUN/17 P&WC Propriet ary - subj ect t o r estrict ions in Tech nica l Data Agreement

DVD Video Borescope Inspection Report ESN PCE-AR0028 11/SEP/'17

El Gll\1E - INSPECTIO /CHECK- I



Page 10

Page 16of 62

MODEL{S) PW123 {BUILD SPEC. 707)/PW123B (BUILD SPEC. 785) / PW123C (BUILD SPEC. 838)/PW123D (BUILD SPEC. 839)/PW123E (BUILD SPEC. 869)


TYPE OF AREA A (Vane tip) or AREA Cc DAMAGE Area C (Leading edge, (Root radius , at leading

extends from root edge) radius)

(3.05-7.62 mm) in size. (1.02-2.03 mm) in size, refer to Category 2. refer to Category 2

A tear more than 0.300 A tear more than 0.080 in. (7.62 mm) in. (2.03 mm) in size, refer to Category in size, refer to Category 3. 3.

Crack A crack less than 0.020 Any crack in this Area , (Ref. NOTE 1) in. (0.51 mm) refer to Category 3.

in size is serviceable. No action required.

A crack between 0.020 to 0.120 in. (0.51-3.05 mm) in size, refer to Category 1.

A crack between 0.120 to 0.300 in . (3.05-7.62 mm) in size, refer to Category 2.

A crack more than 0.300 in. (7.62 mm) in size, refer to Category 3.

NOTE: 1. The term "Size". 1s used for a nick, tear or crack and is defined as the greater dimension . either length or depth. characterizing the damage

NOTE: 2. If any FOO has caused the engine to become prone to engine surges or causes unusual compressor whining, the engine must be removed immediately.

Catego ry 1: Record the size and type of damage found. Do a sL1bsequent borescope inspection after 100 hours. but not later then 200 hours If the subsequent inspection reveals no change in the condition of the damage from the initial inspection. no more action is required. If any crack 1s seen to gro ... in size or propagate from the damaged area. or 1f material is m ss,ng since the last inspection. the engine must be scheduled for removal in less than 10 hours.

Category 2:

Printed on: 8 JUN/ 17 P&WC Pro11rietary - suhject to restrictio ns in Technical Data Agreement

DVD Video Borescope Inspection Report ESN PCE-AR0028 11/SEP/'17 Page 11

ENGINE - rNSPECTION/CHECK-2 Page 6 of 60



MODEL( S) PW 123 ( BUILD SPEC. 707 ) /PW1 23 B (BUILD SPEC. 785)/PW1 23C (BUILD SPEC. 838 ) /PW 123 D (BUILD SPEC. 839 )/PW123E (BUILD SPEC. 869)

Manual Part No. 303 6432, nevision No. 5 1.0, Dat ed AU G 29/2016

Figure 604 Cooling Ring - Example of Missing Section

COOLING RING i \_ MISSING SECTION OF COOLING RING

•I Cooling rings eroded and I or cracked are :t(Leplable ii the suhsey_uenl inspections are G 1111ecl out as defined 'n the re ular m,1·ntena11CI' progr.:'!m.

NOTE : Cooling rings having missing materials can change ailf low, which would increase the combustion liner deterioration.

(b) Combustion chamber inner and outer liner assemblies (Ref. Fig. 605)

1 The holes in t he area that follow are acceptable pr ovlded that you do a repeat inspection of the affected area within 300 flight hours. You must do subsequent inspections interva ls on the rate of progression and level of deterioration you find. If no further deterioration is seen, the engine can continue in service and do subsequent Inspections as given in the regular maintenance program .

Printed on: B JUN/ 17 P&WC Prop rietnry - snl>ject t o restrictio ns i n Technical Data Ag reem ent

DVD Video Borescope Inspection Report ESN PCE-AR0028 11/SEP/'17 Page 12

ENGINE - INSPECTIO /CHECK-2 Page 14 of 60


PRATT & WHIT NEY CANADA MAINTENANCE MANUAL

MODEL(S) PW123 (BUILD SPEC. 707)/PW123B (BUILD SPEC. 785)/PW123C (BUILD SPEC. 838)/PW123D {BUILD SPEC. 839)/PW123E (BUILD SPEC. 8G9)

Manual Part No. 3036432, Revision No. 5 1.0, Dated AUG 29/201G

select to use borescope criteria for engine shop repair, the Inspection Interval that follows Is defined in accordance with the damage category of the HP vane segment.

(c) Regardless of the borescope Interval recommended, it is good maintenance pract ice to do a borescope inspection of the combustion chamber, HP turbine vane segments and HP turbine blades during a fuel nozzle change. If subsequent borescope Inspections reveal hot section damage, the fuel nozzle set associated with the damage will not be known If the condition of these components was not checked when you do a fuel nozzle change.

(2) Inspection Criteria

(a) The four categories listed below cover HP vane segment deterioration:

1 Category A (Ref. Fig . 608)

SE:rv1cE:ablE: condi tion with subso::quE:nt bore,scop E: mspE:ction mtE:rval :

For E:nginE: on ECTM: 1500 hOlll S maxim um.

For E:nglno:: not on ECTM: 1000 hou rs maximum.

l Category B (Ref. Fig . .!ill.9)

Serv1cE:ablE: condition with subsE:quent borE:scopE: inspection interval :

For engine on ECTM: 1000 hours m axun um.

For E:ngmE: not on ECTM: 600 hours maxim um.

3 c (RPI. F"Q. !.!.l!l)

,NOTE: ror 11101,:> fr Pqu1~11 t IJor !'SCOJ)E: inspections, it is l'?C011111lend1~,I lo do ,, borescoµe in5pecli1J11 1111 "lll!Jh tl1P iQniter ports inste;;d of the fuel nozzlP pnr ts .

.1 Category D (Ref. Fig. ill) UnservicE:able condition ro::qu1ro:: o::n gin" 1 emovai m 50 hours maximum.

Operation o f the o::nglnE: fo r SO hours IS pE:rmitted if t hE: bore,scope inspection of tho:: combustion chamber llnE:r , HP turbine blades, LP tu1 binE: vanes and LP turbine blades rs sat1sfacto1 y and rE:sults of power assurancE: check arE: In limit s.

Printed on: O JUN/ 17 P& WC Pr oprie l llry • su l.Jject to restrictions in Technicllr Dain Agreem ent

DVD Video Borescope Inspection Report ESN PCE-AR0028 11/SEP/'17 Page 13 :J ENGINc - INSPECTION/CHECK-2 Pnge 16of60

72-00- 00 ENGINE - INSPECTION/CHECK-2


MODEL(S) PW123 (BUILD SPEC. 707)/PW123B (BUI LD SPEC. 785)/PW123C (BUILD SPEC. 838 )/PW123 D (BUILD SPEC. 839 )/PW123E (BUI LD SPEC. 869)


Figure 608 HP Turbine Vane Segment - Serviceable Condition {Category A)

CONVERGING CRACKS, DENTS OR ~ IMPACT DAMAGE AT LEADING EDGE ARE

ACCEPTAB LE FOR CONTINUED SERVICE (CATEGORY A). '...!

~ .

MULTIPLE CRACKS, DENTS OR IMPACT DAMAGE ON THE AIRFOIL ARE ACCEPTABLE FOR CONTINUED SERVICE (CATEGORY A).

Pr inte d o n: 0JUN/ 17 P&WC Pro1n ictnry - sul.Jject to restriction s in Technical Datl'I Agreement

DVD Video Borescope Inspection Report ESN PCE-AR0028 11/SEP/'17 Page 14 =1 ENGINE - INSPECTION/CHECK-2 Page 19of60


PRATT & WHITNEY CANADA MAINTENAN CE MANUAL

MODEL(S) PW123 (BUILD SPEC. 707) / PW123B (BUILD SPEC. 785 )/PW123C (BUILD SPEC. 838 ) / PW123D (BUILD SPEC. 8 39 ) / PW123E (BUILD SPEC. 869)

Manual Part No. 3036432, Revision No. 5 1.0, Dated AUG 29 /2016

Figure 610 HP Turbine Vane Segment - Serviceable Condition {Category C)

NOTE: WHEN A SINGLE AIRFOIL IS AFFECTED BY CATEGORY C DAMAGE, IT MIGHT BE CAUSED BY DEVIATING FUEL NOZZLE FLOW. IT IS RECOMMENDED TO REPLACE THE FUEL NOZZLES AS PRECAUTION TO REDUCE THE HP VANE DAMAGE PROGRESSION AND FURTHER DOWNSTREAM DAMAGE.

MISSING MATERIAL OR HOLE AT THE LEADING EDGE EXPOSING INTERNAL SUPPORT. SERVICEABLE CONDITION (CATEGORY C).

Printed on : 0 JUN / 17 P& WC Propri etf'l r y - sul.Jject t o r estri ctio ns in Techn i cal Data Agreem ent

- 'since dvd video borescope ... · aa0021 """ page 4 =1 tile contents of this...

Documents