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SUBTASK 27-51-18-440-002
(1) Do this task: Trailing Edge Flap System Reactivation, TASK 27-51-00-440-801.
------------------------- END OF TASK ---------------------------
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
EFFECTIVITY
GUN ALL 27-51-18
Page 413
Oct 10/2007
D633A101-GUN
BOEING PROPRIETARY - Copyright#Unpublished Work - See title page for details
INBOARD FLAP SUPPORT FAIRING - ADJUSTMENT/TEST
1. General
A. This procedure has a task to do the adjustment of the outboard flap support fairings for the inboard
flap.
TASK 27-51-18-820-801
2. Inboard Flap Support Fairing Adjustment
(Figure 501)
A. General
(1) This task is applicable to the flap support fairing at supports No. 3 and 6.
B. References
Reference Title
27-51-00-040-801 Trailing Edge Flap System Deactivation (P/B 201)
27-51-00-440-801 Trailing Edge Flap System Reactivation (P/B 201)
27-51-00-860-804 Retract the Trailing Edge Flaps (P/B 201)
27-51-18-000-801 Inboard Flap Support Forward Fairing Removal (P/B 401)
27-51-18-400-801 Inboard Flap Support Forward Fairing Installation (P/B 401)
C. Consumable Materials
Reference Description Specification
A02315 Sealant - Low Density, Synthetic Rubber. 2 Part BMS5-142
C00259 Primer - Chemical And Solvent Resistant Finish,
Epoxy Resin
BMS10-11,
Type I
D. Expendables/Parts
AMM Item Description AIPC Reference AIPC Effectivity
2 Fairing assembly 27-51-18-01-106 GUN 001-028, 101-120,
155-157, 201-999
27-51-18-01-108 GUN 001-028, 101-120,
155-157, 201-999
3 Fairing assembly 27-51-18-01-420 GUN 001-020, 101-110,
115, 116, 118, 155-157,
201-999
27-51-18-01-425 GUN 001-020, 101-110,
115, 116, 118, 155-157,
201-999
4 Tailcone assembly 27-51-18-01-430 GUN 001-024, 101-116,
118, 155-157, 201-999
17 Pin 27-51-18-01-187 GUN 001-028, 101-120,
155-157, 201-999
E. Location Zones
Zone Area
542 Left Wing - Fairing Flap Support No. 3
642 Right Wing - Fairing Flap Support No. 6
F. Prepare for the Adjustment
SUBTASK 27-51-18-860-001
(1) If the trailing edge flaps are not in the retracted position, do this task: Retract the Trailing Edge
Flaps, TASK 27-51-00-860-804.
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
EFFECTIVITY
GUN ALL 27-51-18
Page 501
Jun 10/2007
D633A101-GUN
BOEING PROPRIETARY - Copyright#Unpublished Work - See title page for details
SUBTASK 27-51-18-040-003
(2) Do this task: Trailing Edge Flap System Deactivation, TASK 27-51-00-040-801.
G. Inboard Flap Outboard Aft Fairing Adjustment
SUBTASK 27-51-18-220-001
(1) Measure the clearance between the top surface of the aft fairing assembly [3] and the inboard
flap [1].
NOTE: Measure the clearance at the aft edge of the inboard flap [1] on the inboard and
outboard sides of the aft fairing assembly [3].
(a) Make sure the clearance is in the limit of 0.2884 ±0.050 inch (7.325 ±1.27 millimeters).
NOTE: The aft seal [5] should be compressed 20 to 40 percent.
(b) Make sure the clearance is approximately the same on the inboard and outboard sides of
the aft fairing assembly [3].
SUBTASK 27-51-18-820-003
(2) If the clearance is not in the limit, or if it is not the same on the inboard and outboard sides,
adjust the position of the aft fairing assembly [3]:
(a) Remove the bolts [6] and remove the tailcone assembly [4] from the aft fairing assembly [3].
(b) If the clearance is not the same on the inboard and outboard sides, adjust the length of the
adjust rod [11]:
1) Loosen the locknuts [10] on the adjust rod [11].
2) Adjust the length of the adjust rod [11] until the clearance is the same on the inboard
and outboard sides of the aft fairing assembly [3].
3) Tighten the locknuts [10] on the adjust rod [11].
4) Install lockwire on the locknuts [10].
(c) If the clearance is not in the limit, adjust the length of the drive rod [8]:
1) Loosen the locknuts [7] on the drive rod [8].
2) Adjust the length of the drive rod [8] until the clearance is in the limit.
3) Tighten the locknuts [7] on the drive rod [8].
4) Install lockwire on the locknuts [7].
(d) Make sure the clearance is in the limit and it is the same on the inboard and outboard sides
of the aft fairing assembly [3].
SUBTASK 27-51-18-220-002
(3) Make sure the seals [18] on the sides of the aft fairing assembly [3] are compressed evenly
against the lower surface of the inboard flap [1].
SUBTASK 27-51-18-820-004
(4) If the seals [18] are not compressed evenly against the lower surface of the inboard flap [1],
adjust the position of the seals [18]:
　
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