SDR DALA1112235816

Service difficulty report · Intercostal · Boeing 757351

Difficulty date: February 18, 2011
Submitted: February 22, 2011
Operation: Air carrier
Aircraft: N596NW
Make and model: Boeing 757351
Aircraft serial: 32996
Aircraft time: 27,962 hours, 8,876 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Intercostal
Condition: Cracked
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

AFT CARGO COMPARTMENT CEILING FLOORBEAM CENTER VERTICAL FRAME AT STA 1260-1280 IS CRACKED. REMOVED INTERCOSTAL, REMOVED FLOOR BOARD FASTENERS IAW SRM 51-40-02, FABRICATED INTERCOSTAL ASSY, LOCATED AND DRILLED IAW SRM 51-40-05, TREATED AND PRIMED IAW SRM 51-20-02. INSTALLED IAW SRM 51-40-02. INSTALLED FLOORBOARD FASTENERS IAW SRM 51-40-02. REQUIRED INSPECTION COMPLETED BY MAE QC 11 SAN#280956.