S 212-063

 (8)  
If the airplane landed with more than 1000 gallons (6,700 pounds) in the horizontal stablizer fuel tank, examine the lower surface of the horizontal stabilizer including the center section for fuel leaks, buckling, cracks, pulled fasteners, and fasteners which are not there.

 TASK 05-51-39-202-026
 3.  Phase II Examination____________________
 A. References
 (1)  
05-51-06/201, Dragged Engine Nacelle/Engine Seizure/Engine and Strut Damage Condition

 (2)  
07-11-01/201, Jacking Airplane

 (3)  
27-11-00/501, Aileron and Aileron Trim Control System

 (4)  
27-21-00/501, Rudder and Rudder Trim Control System

 (5)  
27-31-00/501, Elevator Control System

 (6)  
27-41-00/501, Horizontal Stabilizer Trim Control System

 (7)  
27-51-00/501, Trailing Edge Flap System

 (8)  
27-61-00/501, Spoiler Control System

 (9)  
27-81-00/501, Leading Edge Flap System

 (10)
 32-11-02/401, Wing Gear Shock Strut

 (11)
 32-13-02/401, Body Gear Shock Strut

 (12)
 AMM 32-21-01/601, Nose Landing Gear

 (13)
 32-31-00/501, Landing Gear Control

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 05-51-39
 ALL  ú ú 01 Page 205 ú Oct 10/95
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 (14) 72-31-02/601, Fan Rotor Blades
 B. Examine the airplane structure.
 S 212-027
 (1)  Examine the lower fuselage structure for skin buckling, flaking paint, cracks, pulled fasteners, and fasteners which are not there.
 (a)  Examine closely the areas below the body floor beams and from body stations 1480 to 1680.
 NOTE: Keel beam vertical web wrinkles are normal.
____
 S 212-028
 (2)  
Examine the main landing gear wheel well bulkheads for distortion, flaking paint, cracks, pulled fasteners, and fasteners which are not there.

 S 212-086

 (3)  
Examine the horizontal deck located AFT of Body Station 1350; WL 152; at the side of the body for signs of local buckling, flaking paint, cracks, pulled fasteners, and fasteners which are not there.

 S 212-049

 (4)  
Examine the fuselage skin attachments above the landing gear beam at body station 1350 for distortion, flaking paint, cracks, pulled fasteners, and fasteners which are not there.

 S 212-075

 (5)  
Examine the wing-to-body fuselage joints at body station 1000 to body station 1241 for distortion, flaking paint, cracks, pulled fasteners, and fasteners which are not there.

 S 212-029

 (6)  
Examine the upper fuselage structure at body stations 1000, 1241, and 1480 for buckling, distortion, flaking paint, cracks, pulled fasteners, and fasteners which are not there.

 S 212-030

 (7)  
Examine the bulkhead at body station 400 and fuselage structure immediately outboard of the nose landing gear wheel well for buckling, flaking paint, cracks, pulled fasteners, and fasteners which are not there.

 NOTE: This examination can be done from the aft side
____ of the bulkhead at body station 400 in the main electrical/electronics equipment center.
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 05-51-39
 ALL  ú ú 04 Page 206 ú Jun 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 S 212-031
 (8)  Examine these areas for fluid leakage (i.e. fuel, hydraulic fluid, etc..):
 (a)  
Wings

 (b)  
Nacelles

 (c)  
Nacelle-Struts

 (d)  
Fuselage External Surfaces

 (e)  
Nose Landing Gear Wheel Well

 (f)  
All Areas of the Body Landing Gear Wheel Wells

 (g)  
All Areas of the Wing Landing Gear Wheel Wells

 S 212-034
 (9)  
Examine the ribs at wing buttock lines 150 and 195 for cracks in region of the rear spar.
　
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