B.  Access
 (1)  
Location Zones
 330 Horizontal Stabilizer (left)
 340 Horizontal Stabilizer (right)

 (2)  
Access Panels 338AZ Horizontal Stabilizer Tank Access Door

 C.  Procedure
 S 212-007
 (1)  
Do a visual examination of the lower surfaces of the horizontal stabilizer.

 S 212-002

 (2)  
Do a visual inspection of the center section of the horizontal stabilizer and examine for these items:

 (a)  
Fuel leak.

 (b)  
Damaged skin (buckling)

 (c)  
Cracks

 (d)  
Pulled fasteners

 (e)  
Missing fasteners

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MAINTENANCE MANUAL

 S 212-003
 (3)  
If you see a fuel leak or damage to the fuselage, continue with this procedure and do the examination of the horizontal stabilizer fuel tank.

 S 212-004

 (4)  
If you do not see a fuel leak or damage to the fuselage, the inspection is completed.

 S 212-008

 (5)  
Do an examination of the horizontal stabilizer fuel tank as follows:

 (a)  
Open the horizontal-stabilizer fuel-tank access-door. (AMM 28-11-19/401).

 (b)  
At the hinge rib at BL 43.5, do the visual inspections that follow: 1) Examine all stringer splices for damage. 2) Examine all rib chords for damage.

 (c)  
Inside the fuel tank, on the lower surface, examine the items at follow: 1) Rib chord-to-stringer attachments 2) Fasteners 3) Rib chords 4) Stringer flanges.

 (d)  
When the inspection is completed and all necessary work is done, close the horizontal-stabilizer fuel-tank access-door. (AMM 28-11-19/401).

 TASK 05-51-20-202-016
 3. Examination of the Lower Aft-Fuselage Structure
_______________________________________________
 A. References
 (1)  AMM 05-51-39/201, Overweight Landing Condition
 B. Access
 (1)  
Location Zones
 310 Aft Fuselage (STA 2360 - 2792)

 (2)  
Access Panels 315A Access Door, area aft of stabilizer box compartment

 C. Procedure
 S 212-009
 (1)  Do a visual examination of the aft lower-fuselage structure, aft of body station 1480 and examine for these items:
 (a)  Damaged skin (buckling)
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 (b) (c) (d)  CracksPulled fastenersMissing fasteners
 (2)  S 212-014If you see damage to the fuselage, continue with this procedure and do the examination of the bulkhead at body station 2598.
 (3)  S 212-015If you do not see damage to the fuselage, the inspection is completed.
 (4)  S 012-010Open door 315A for access.
 (5)  S 212-011Do an examination of the bulkhead at body station 2598, as follows: (a) Do a visual check of the bulkhead web. (b) Do a visual check of the web to chord fasteners. (c) Do a visual check of the diagonal struts and attachment fasteners.
 (6)  S 212-012Do a visual examination of the bulkhead and examine for these items: (a) Damaged skin (buckling) (b) Cracks (c) Pulled or loose fasteners (d) Missing fasteners.
 (7)  S 412-013When the inspection is completed and all necessary work is done, close the access door 315A.

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