DOC AIRBUS | AMM A320FDetailed Inspection of the Exhaust Centerbody in accordance with ROHR AOL CFM56-003 [CFMB]
TASK 78-11-12-210-041-B
Detailed Inspection of the Exhaust Centerbody in accordance with ROHR AOL CFM56-003
1. Reason for the Job
Refer to the MPD TASK: 781112-C1
DETAILED INSPECTION OF THE EXHAUST CENTERBODY
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Referenced Information
3. Job Set-up
Subtask 78-11-12-941-052-A ** ON A/C NOT FOR ALL
Subtask 78-11-12-210-051-A ** ON A/C NOT FOR ALL
Subtask 78-11-12-869-053-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 03:23:44 UTC
Detailed Inspection of the Exhaust Centerbody in accordance with ROHR AOL CFM56-003
1. Reason for the Job
Refer to the MPD TASK: 781112-C1
DETAILED INSPECTION OF THE EXHAUST CENTERBODY
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | AR | WARNING NOTICE(S) |
| REFERENCE | DESIGNATION |
|---|---|
Subtask 78-11-12-941-052-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).
4. Procedure(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 78-11-12-210-051-A ** ON A/C NOT FOR ALL
A. Detailed Visual Inspection of the Centerbody
(1) Use proper lighting to illuminate the centerbody. Be especially sure that there are no cracks beyond the limits at the circumferential weld joints.
Detailed Inspection of the Exhaust Centerbody in accordance with ROHR AOL CFM56-003 ** ON A/C NOT FOR ALL
5. Close-up(1) Use proper lighting to illuminate the centerbody. Be especially sure that there are no cracks beyond the limits at the circumferential weld joints.
Detailed Inspection of the Exhaust Centerbody in accordance with ROHR AOL CFM56-003 ** ON A/C NOT FOR ALL | INSPECT/CHECK | MAXIMUM SERVICEABLE LIMITS | REMARKS |
|---|---|---|
| 1.Outer surface and weld joints for: | | |
| A.Cracks | 1.00 in. (25.4 mm) max per crack. 6.00 in. (152.4 mm) max total, all cracks. 4.00 in. (101.6 mm) minimum separation between any two cracks. | Stop-drill both ends of cracks with 0.125 in. (3.2 mm) drill. Inspect for growth at every 150 Flight Hours check until centerbody can be removed and welded per |
Subtask 78-11-12-869-053-A ** ON A/C NOT FOR ALL
A. Make sure that the work area is clean and clear of tools and other items.
Subtask 78-11-12-942-051-A ** ON A/C NOT FOR ALL B. Remove the WARNING NOTICE(S).