SDR IPXA11568644

Service difficulty report · Doubler · Boeing 75724APF

Difficulty date: July 8, 2011
Submitted: August 17, 2011
Operation: Air carrier
Aircraft: N401UP
Make and model: Boeing 75724APF
Aircraft serial: 23723
Aircraft time: 28,242 hours, 19,490 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Doubler
Condition: Corroded
Location: Fuselage
Stage of operation: IN
How discovered: V
Nature of condition: O
Precautionary procedure: K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

INSPECTION TYPE:C3, MCD SHEAR WEB DOUBLER HAS 3 AREAS OF CORROSION ON UPPER SURFACE AT BS 1682 TO BS 1700.5, LBL 14 TO LBL 20.5, WL 208 (AREAS MARKED). REPAIR IAW ER 11-03540, SRM 51-20-07-0G, 51-40-02-0G, SRM 51-40-08-0G, SOPM 20-43-03, SOPM 20-41-02.

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