S 915-218-N00
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71-00-00
ALL ú ú N03 Page 583 ú Jun 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
POWER PLANT - INSPECTION/CHECK
______________________________
1. General
_______
A. This procedure gives the instructions to do four tasks. Those tasks are
the engine cowl inspection, inspection of the engine drain system,
inspection of the forward engine mount, and inspection of the aft engine
mount.
B. You can get access to the parts for the inspection when you open the left and right thrust reversers.
TASK 71-00-00-206-027-N00
2. Engine Cowl Inspection
______________________
A. References
(1)
AMM 71-11-04/401, Fan Cowl Panels
(2)
AMM 71-11-06/201, Core Cowl Panels
(3)
AMM 78-31-00/201, Thrust Reverser System
B.
Access
(1)
Location Zones
411 Engine 1
421 Engine 2
431 Engine 3
441 Engine 4
(2)
Access Panels 413 and 414 Left and Right Fan Cowl Panel - Engine 1 423 and 424 Left and Right Fan Cowl Panel - Engine 2 433 and 434 Left and Right Fan Cowl Panel - Engine 3 443 and 444 Left and Right Fan Cowl Panel - Engine 4 417 and 418 Left and Right Core Cowl Panel - Engine 1 427 and 428 Left and Right Core Cowl Panel - Engine 2 437 and 438 Left and Right Core Cowl Panel - Engine 3 447 and 448 Left and Right Core Cowl Panel - Engine 4 415 and 416 Left and Right Thrust Reverser Half - Engine 1 425 and 426 Left and Right Thrust Reverser Half - Engine 2 435 and 436 Left and Right Thrust Reverser Half - Engine 3 445 and 446 Left and Right Thrust Reverser Half - Engine 4
C.
Procedure
S 046-036-N00
WARNING: DO THE THRUST REVERSER DEACTIVATION PROCEDURE TO PREVENT THE
_______ OPERATION OF THE THRUST REVERSER. THE ACCIDENTAL OPERATION OF THE THRUST REVERSER CAN CAUSE INJURIES TO PERSONS OR DAMAGE TO EQUIPMENT.
(1)
Do this task: Thrust Reverser Deactivation for Ground Maintenance (AMM 78-31-00/201).
(2)
Open the fan cowl panels (AMM 71-11-04/201).
S 016-037-N00
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
71-00-00
ALL ú ú N01 Page 601 ú Oct 10/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
S 016-038-N00
(3) Open the core cowl panels (AMM 71-11-06/201).
S 016-051-N00
WARNING: OBEY THE INSTRUCTIONS IN AMM 78-31-00 WHEN YOU OPEN THE THRUST
_______ REVERSERS. IF YOU DO NOT OBEY THE INSTRUCTIONS, INJURIES TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR.
(4)
Open the thrust reversers (AMM 78-31-00/201).
S 216-065-N00
(5)
Do the inspection of the engine cowl:
(a)
Make sure that these items on the engine cowl are attached
correctly and in good condition:
1) The outer sides of the inlet cowl
2) The inlet cowl flange and the fan case flange
3) The bolts for the inlet cowl mount
4) The pressure relief vent for the inlet cowl
5) The fan cowl latches and the adjacent cowl structure
6) The pressure relief door for the fan cowl panel
7) The fan cowl hinges and the adjacent cowl structure
8) The core cowl latches and the adjacent cowl structure
9) The core cowl hinges and the adjacent cowl structure
10) The internal surface of the core cowl panels
11) The pressure relief doors for the core cowl panel
12) The thrust reverser latches and the adjacent structure.
(b)
Make sure that the pressure relief opening for the inlet cowl is closed.
(c)
Look through the pressure relief vent on the inlet cowl to see the plastic cover for the fan blade containment assembly. 1) Tears in the plastic cover are permitted if there is no
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