SDR USAA2009110292995

Service difficulty report · Stiffener · Boeing 7572S7

Difficulty date: October 27, 2009
Submitted: November 3, 2009
Operation: Air carrier
Aircraft: N902AW
Make and model: Boeing 7572S7
Aircraft serial: 23322
Aircraft time: 85,204 hours, 32,090 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Stiffener
Part number: 146N530096
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

MCN - MAJOR REPAIR - C4 CHECK - GALVANIC CORROSION ON L-ANGLE STIFFENER ON BOTTOM SIDE OF AFT DECK PLATE IN AFT CABIN AT BS 1715, RBL 5. REPLACED L-ANGLE STIFFENER ON BOTTOM SIDE OF AFT DECK PLATE IN AFT CABIN AT BS 1715, RBL 5 IAW B757 SRM 51-40-02.

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