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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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.
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CFM56 ENGINES
　
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