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时间:2011-03-31 16:16来源:蓝天飞行翻译 作者:航空
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 (f)  
If wing landing gear wheel removal is necessary because of blown tires, do these steps: 1) Examine the wing landing gear wheel structure for cracks. 2) Examine the wing landing gear brake assemblies for damage.

 (g)  
Do a check of the wing landing gear shock strut fluid level.


 S 212-078
 (3)  If an overweight landing is combined with a high drag/side load landing, or if the fluid levels of the wing landing gear or the body landing gear shock struts are low, do these steps:
 (a)  
Remove the body landing gear.

 (b)  
Remove the wing landing gear.

 (c)  
Disassemble the landing gears and examine for distortion and cracks per the Overhaul Manual.


 S 212-084
 (4)  Examine the nose landing gear (AMM 32-21-01/601).
 (a)  Examine the nose wheel well area for buckling, flaking paint, cracks, pulled fasteners, and fasteners which are not there.
 NOTE: Look closely at the web of nose wheel well in the area
____ of trunnion and drag strut support fittings.
 (b)  
Examine these items of the nose landing gear for distortion cracks, flaking paint, pulled fasteners, loose fasteners, and fasteners which are not there: 1) Nose Landing Gear Cylinder Trunnion Fitting Area 2) Nose Landing Gear Drag Brace Assemblies

 (c)  
Do a check of the nose landing gear shock strut fluid level (Ref 12-15-05/301).


 NOTE: Make sure the shock strut can keep pressure.
____
 1)  If the examinations in steps 2.C.(4)(b) and 2.C.(4)(c) show any signs of damage, or if the overweight landing causes the nose landing gear to hit hard, remove the nose landing gear inner cylinder and inspect for distortion and cracks.
 2)  If the examinations in steps 2.C.(4)(b) and 2.C.(4)(c) show no signs of damage, examine the nose landing gear shock strut inner cylinder at the first suitable time after the overweight landing is reported.
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 05-51-39
 ALL  ú ú 01 Page 209 ú Oct 10/95
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

 (d)  Do a check of the nose wheel steering mechanism (Ref 32-51-00/501). 1) Make sure the nose landing gear steering mechanisim is
 rigged correctly.
 S 862-050
 (5)  
Jack the airplane (Ref 07-11-01/201).

 S 862-052

 (6)  
Retract and extend the landing gears (Ref 32-31-00/501).

 S 212-085

 (7)  
Examine all of the landing gear for signs of interference, misalignment, or distortion.


 D. Examine the flight controls.
 S 212-041
 (1)  Do a check of the flight controls.
 (a)  Make sure the flight controls move freely.
 S 222-042
 (2)  Examine these tensions of the flight control cables:
 (a)  
Aileron (Ref 27-11-00/501)

 (b)  
Rudder (Ref 27-21-00/501)

 (c)  
Elavator (Ref 27-31-00/501)

 (d)  
Spoilers (Ref 27-61-00/501)


 E. Examine the cargo area.
 S 712-080
 (1) Do an operational check of the containerized cargo system.
 (a)  Make sure the cargo containers and pallets load and unload correctly.
 S 212-065
 (2)  
Examine the the cargo restraint system in all of the cargo compartments.

 S 212-079

 (3)  
Examine these items in the containerized cargo compartment for breaks, cracks, and retainer lips which are not there:

 (a)  
Side Guides

 (b)  
Seat Tracks

 (c)  
Pallet Locks

 (d)  
Rollers (Downside of the Compartment)

 


 S 212-081
 (4) Do a check of the cargo loading rollers (Where Installed).
 (a)  Make sure the rollers move freely.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 05-51-39
 ALL  ú ú 01 Page 210 ú Oct 10/90
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
 
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