SDR UALA2011122907151

Service difficulty report · Angle · Boeing 757222

Difficulty date: December 28, 2011
Submitted: January 3, 2012
Operation: Air carrier
Aircraft: N544UA
Make and model: Boeing 757222
Aircraft serial: 25322
Aircraft time: 75,613 hours, 21,810 cycles
Engine: Pwa PW2037
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Angle
Condition: Corroded
Location: Bs 1862
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 FUSELAGE INTERNAL ABOVE CONSTANT BOX UPPER BULKHEAD, LOWER ANGLE, JUST BELOW APU DUCT IS CORRODED AT BS 1862, AND RBL 17 TO RBL 19. REMOVED BS 1862.7 LATERAL STRUCTURE AND REMOVED CORROSION BETWEEN RBL 10 AND RBL 17 ON UPPER SURFACE OF THE HORIZONTAL FLANGE PER REO G14404, REV. A .