SDR UALA2013051403336

Service difficulty report · Intercostal · Boeing 757222

Difficulty date: May 11, 2013
Submitted: June 7, 2013
Operation: Air carrier
Aircraft: N572UA
Make and model: Boeing 757222
Aircraft serial: 26682
Aircraft time: 67,011 hours, 24,500 cycles
Engine: Pwa PW2040
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Intercostal
Condition: Corroded
Location: Bs 1440-1460
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 BAY INTERCOSTAL AT BS 1440-1460 CORRODED ON LOWER FLANGE. CORROSION FOUND TO BE OUT OF SRM 53-00-04 LIMITS. REMOVED INTERCOSTAL AT BS 1440-1460. FABRICATED NEW INTERCOSTAL AND INSTALLED IAW SRM 5 1-40-02 & DWG 146N5214. MAJOR REPAIR.