Inspection of the LP Compressor Stub Shaft [IAE]
TASK 72-32-51-200-010-B
Inspection of the LP Compressor Stub Shaft
1. Reason for the Job
This TASK gives the procedure for the inspection of the LP compressor stub shaft
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Referenced Information
3. Job Set-up
Subtask 72-32-51-941-054-A ** ON A/C NOT FOR ALL
Subtask 72-32-51-210-051-A ** ON A/C NOT FOR ALL
Subtask 72-32-51-942-053-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 02:45:21 UTC
Inspection of the LP Compressor Stub Shaft
1. Reason for the Job
This TASK gives the procedure for the inspection of the LP compressor stub shaft
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | AR | ACCESS PLATFORM 1M(3 FT) |
| No specific | AR | MAT - WORK |
| No specific | AR | WARNING NOTICE(S) |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 72-32-51-300-010-B | Repair of the LP Compressor Stub Shaft - VRS1811 |
Subtask 72-32-51-941-054-A ** ON A/C NOT FOR ALL
A. Safety Precautions
(1) On the center pedestal, on the ENG panel 115VU:
(a) Put a WARNING NOTICE(S) to tell persons not to start the engine.
(2) Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
(3) On the overhead maintenance panel 50VU:
(a) Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.
(b) Put a WARNING NOTICE(S) to tell persons not to energize the FADEC 1(2).
Subtask 72-32-51-941-055-A ** ON A/C NOT FOR ALL (1) On the center pedestal, on the ENG panel 115VU:
(a) Put a WARNING NOTICE(S) to tell persons not to start the engine.
(2) Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
(3) On the overhead maintenance panel 50VU:
(a) Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.
(b) Put a WARNING NOTICE(S) to tell persons not to energize the FADEC 1(2).
B. Put the ground support equipment in position.
(1) Put the ACCESS PLATFORM 1M(3 FT) in position to give access to the engine.
(2) Put the MAT - WORK in the air intake cowl.
4. Procedure(1) Put the ACCESS PLATFORM 1M(3 FT) in position to give access to the engine.
(2) Put the MAT - WORK in the air intake cowl.
NOTE: Make sure that the red warning pennants of the workmat can be seen externally. Make sure that the workmat has sufficient dimensions to give full protection to the lower half of the air intake cowl.
Subtask 72-32-51-210-051-A ** ON A/C NOT FOR ALL
A. Examine the LP compressor stub shaft
(1) Examine the curvic teeth of the stub shaft for galls, cracks, corrosion pitting and damage
(a) If it is cracked, reject it.
(b) If it has corrosion pitting of tooth crest flats, root flats, root fillets and curvic side faces (excluding working flanks) ; Up to 0.005 in. (0.13 mm) in depth, accept it.
(c) If it has galls and damage that is more than 0.005 in. (0.13 mm) in depth, repair it (Ref. AMM TASK 72-32-51-300-010).
5. Close-up(1) Examine the curvic teeth of the stub shaft for galls, cracks, corrosion pitting and damage
(a) If it is cracked, reject it.
(b) If it has corrosion pitting of tooth crest flats, root flats, root fillets and curvic side faces (excluding working flanks) ; Up to 0.005 in. (0.13 mm) in depth, accept it.
(c) If it has galls and damage that is more than 0.005 in. (0.13 mm) in depth, repair it (Ref. AMM TASK 72-32-51-300-010).
Subtask 72-32-51-942-053-A ** ON A/C NOT FOR ALL
A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the workmat from the air intake cowl.
(3) Remove the access platform(s).
(4) Remove the WARNING NOTICE(S).
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the workmat from the air intake cowl.
(3) Remove the access platform(s).
(4) Remove the WARNING NOTICE(S).
LP Compressor Stub Shaft