SDR USAA2011082400021

Service difficulty report · Intercostal · Boeing 7572B7

Difficulty date: August 23, 2011
Submitted: August 25, 2011
Operation: Air carrier
Aircraft: N938UW
Make and model: Boeing 7572B7
Aircraft serial: 27246
Aircraft time: 56,202 hours, 21,811 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Intercostal
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

RON CHECK - CORROSION ON LOWER SECTION OF INTERCOSTAL BELOW AFT CARGO FLOOR BETWEEN BS 1400 TO BS 1405, LBL 3. REPLACED INTERCOSTAL BELOW AFT CARGO FLOOR BETWEEN BS 1400 TO BS 1405, LBL 3 IAW BOEING DRAWING 146N5399 & B757 SRM 51-40-02.

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