SDR IPXA10558358

Service difficulty report · Intercostal · Boeing 75724APF

Difficulty date: January 22, 2010
Submitted: February 3, 2010
Operation: Air carrier
Aircraft: N435UP
Make and model: Boeing 75724APF
Aircraft serial: 25466
Aircraft time: 18,661 hours, 12,476 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Intercostal
Condition: Corroded
Location: Bs 1054
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:C1 CORROSION ON UPPER FLANGE OF INTERCOSTAL BS 1054, RBL 25, TO RBL 45, WL 208. BLENDED & FOUND TO BE OUT OF LIMITS, FABRICATED & INSTALLED REPLACEMENT INTERCOSTAL IAW SRM 51-40-02 & IAW BAC 1505-100-590 & DWG NR 144N5005.

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