73-21-04
ALL ú ú C01 Page 602 ú Jul 15/94
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
~.............................................................................. | | | CORRECTIVE | | CHECK | LIMIT | ACTION | ................................................................................
| PMC cover for: | | |
| | | |
| Scratches | 0.03 inch (0.76 mm) maximum | Replace the PMC|
| | depth with no high metal | |
| | | |
| Deformation | None permitted | Replace the PMC|
| | | |
| Cracks on the | Maximum 4 if it is stop drilled | Replace the PMC|
| cover flange | | |
| | | |
| Cracks on the | None permitted | Replace the PMC|
| other areas | | |
| | | |
| Dents | None permitted in raised | Replace the PMC|
| | bead of stiffener | |
| | | |
| PMC chassis for: | | |
| | | |
| Scratches | One-half thickness maximum of | Remove the |
| | the metal or high metal after | high metal or |
| | removal of the high metal | replace the PMC|
| | | |
| Cracks or broken | None permitted | Replace the PMC|
| brazing | | |
| | | |
| Deformation | None permitted | Replace the PMC|
| | | |
| | | |
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
73-21-04
ALL ú ú C02 Page 603 ú Nov 15/94
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
~.............................................................................. | | | CORRECTIVE | | CHECK | LIMIT | ACTION | ................................................................................
| PMC connectors for: | | |
| | | |
| Cracks | None permitted | Replace the PMC|
| | | |
| Crossed threads | None permitted | Replace the PMC|
| | | |
| Nicked threads | Not more than the depth of the | Make it smooth |
| | thread after you make it smooth | or replace the |
| | or removal of damage | PMC |
| | | |
| Pin damage | Must mate freely with | Straighten bent|
| | Respective leads | pins. Replace |
| | | PMC if pins are|
| | | broken, eroded,|
| | | or seized. |
| | | |
| Pins showing | None permitted | Replace the PMC|
| evidence of | | |
| arcing | | |
| | | |
| Dirt or other | None permitted | Clean with a |
| contamination | | soft bristle |
| | | brush |
| | | |
| PMC shock mounts for: | | |
| | | |
| Cracks or tears | None permitted | Replace the |
| | | grommets |
2..........................…..................................…................1
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
73-21-04
ALL ú ú C01 Page 604 ú Nov 15/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
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