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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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

757
MAINTENANCE MANUAL

 S 222-008
 (10)
 If flight load accelerations are more than flight manual limits, and the last examinations showed signs of much damage, check the airplane alignment. The Alignment Check Procedure is in the Structural Repair Manual.

 S 712-009

 (11)
 Check the loading and unloading operation of the containers/pallets.

 (a)  
Check the cargo restraint system in all of the cargo compartments. 1) Visually check the side guides, seat tracks, pallet locks

 and rollers. Look for breaks, retaining lips that are not there, and rollers (where installed) that do not move freely.

 (b)  
If a malfunction is found, trouble shoot the cargo system. Use the applicable manufacturer's maintenance manual.

 TASK 05-51-04-212-020
 3. Stall (After initial buffet or stick shaker) Structural Examination
___________________________________________________________________
 A. Procedure
 S 212-014
 (1)  Examine all of the internal structure of the fuselage, section 48 that you can get access to. Look at the structure from the rear pressure bulkhead to the aft end. Look for distortions, paint that has flaked, and for cracks. Also look for fasteners that have pulled out or are not there.
 (a)  
Look at the areas that follow: 1) The aft fuselage bulkheads 2) The horizontal stabilizer center sections 3) The stabilizer hinge fittings 4) The stabilizer jackscrew-mechanism mount fittings and

 support structure.

 (b)  
Examine the horizontal stabilizer-to-body rubstrips. Look for signs of movement of the structure against the rubstrips. Such movement shows distortion of the structure.

 S 212-015
 (2)  Examine the horizontal stabilizer external surfaces for signs of buckling. Look at the skin splices for cracks and fasteners that have pulled out or are not there.
 (a)  If external damage to the horizontal stabilizer is found, do the steps that follow: 1) Examine the spars for distortion, buckling, cracks, and
 paint that has flaked. Also look for fasteners that have pulled out or are not there.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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757
MAINTENANCE MANUAL

 2)  Examine the internal primary structure in the damaged area you can get to. Look for distortion, buckling, cracks, and paint that has flaked. Also look for fasteners that have pulled out or are not there.
 S 212-016
 (3)  Examine the elevator external surfaces for cracks, and fasteners that have pulled out or are not there.
 (a)  
Examine the elevator hinge bearing for signs of binding.

 (b)  
Examine the elevator actuator bearings for signs of binding.

 (c)  
If any external damage to the elevator is found, examine the front spar web. Look for distortion, cracks, paint that has flaked, and fasteners that have pulled out or are not there.

 S 722-017
 (4)  Make sure the flight controls move freely.
 (a)  If unusual conditions are found, check all of the flight control force specifications. Also check the cable tensions. If necessary, refer to the applicable Chapter 27 sections that follow: 1) 27-11-00, Ailerons 2) 27-21-00, Rudder 3) 27-31-00, Elevators 4) 27-51-00, Trailing Edge Flaps 5) 27-61-00, Spoilers and Drag Devices 6) 27-81-00, Lift Augmentation
 S 212-018
 (5)  Examine the horizontal-stabilizer rear-spar webs. Look for distortion, buckling, cracks, and paint that has flaked. Also look for fasteners that have pulled out or are not there.
 B.  Cabin Inspections
 S 212-023
 (1)  Do a visual inspection of all ceiling panels for dislodging and evi dence do to impact damage.
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