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747-400 MAINTENANCE MANUAL
S 905-065
CAUTION: REPLACE OR REPAIR A DOOR WHICH DOES NOT RELEASE IN THE LIMIT.
_______ DAMAGE CAN OCCUR TO TE FAIRING DOOR IF PRESSURE RELIEF DOORS ARE RESTRAINED DURING EXCESSIVE PRESSURE.
(4) If release load, as measured by push/pull gage, is not within limits do these steps:
(a)
Examine the latch, the hinges, the door and the frame for interference or damage.
(b)
Remove all blockage. Repair or replace the damaged component as required.
S 415-066
(5)
If release load, as measured by push/pull gage, is within limits, close the pressure relief door.
S 205-093
(6)
Do a check of the lower aft pressure relief door hinge clearance with the diagonal brace.
(a) Trim the lower hinge arm, if necessary to insure a minimum 0.20 inch clearance between hinge and diagonal brace with the door closed (Figure 501, Sh. 7).
(7)
Close the TE fairing doors (AMM 54-62-00/201).
S 415-067
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54-62-02
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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747-400 MAINTENANCE MANUAL
TRAILING EDGE FAIRING DOORS - REMOVAL/INSTALLATION
__________________________________________________
1. General
_______
A. This procedure contains the data to remove and install the trailing edge (T/E) fairing doors.
B. Disconnect the door and hinges from the skirt beam and remove as one unit.
C. Do a check of the door adjustment after you install the T/E fairing doors.
TASK 54-62-03-004-001
2. Remove the T/E Fairing Door (Fig. 401)
___________________________
A. References
(1)
54-62-00/201, Nacelle Strut Access Panels (Opening/Closing)
(2)
IPC 54-62-03 Fig. 1 and 2
B. Access
(1) Location Zone
454 Nacelle Strut 1 - Aft Fairing
464 Nacelle Strut 2 - Aft Fairing
474 Nacelle Strut 3 - Aft Fairing
484 Nacelle Strut 4 - Aft Fairing
C. Procedure
S 014-002
(1) Open the T/E fairing door (Ref 54-62-00/201).
NOTE: Do not use the support rod to hold the door open.
____
S 034-003
(2) Tightly hold the T/E fairing door and remove the nuts, washers, and bolts that attach the hinge fittings to the hinge supports.
NOTE: The outboard struts have five hinge locations, and the
____ inboard struts have four hinge locations.
S 024-004
(3) Remove the door from the nacelle strut.
TASK 54-62-03-404-005
3. Install the T/E Fairing Door (Fig. 401)
____________________________
A. References
(1)
AMM 54-62-03/501, Trailing Edge Fairing Doors
(2)
IPC 54-62-03 Fig. 1 and 2
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747-400
MAINTENANCE MANUAL
HINGE (4 LOCATIONS INBD STRUT
FAIRING DOOR
ON OUTBOARD STRUTS, WASHERS ARE INSTALLED ONLY ON FORWARD AND AFT HINGE BOLTS
A ONE-PIECE HINGE FITTING
IS INSTALLED ON SOME
AIRPLANES
Trailing Edge Fairing Door Installation Figure 401
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747-400
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