SDR UALA2012072303989

Service difficulty report · Shear Tie · Boeing 757222

Difficulty date: July 21, 2012
Submitted: July 26, 2012
Operation: Air carrier
Aircraft: N548UA
Make and model: Boeing 757222
Aircraft serial: 25396
Aircraft time: 77,872 hours, 22,532 cycles
Engine: Pwa PW2037
System (JASC): 5322 · Fuselage Internal Mounting Structure
Part: Shear Tie
Condition: Corroded
Location: Bs 1400, S28-29l
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 PIT BILGE FRAME TO SKIN SHEAR TIE CORRODED. BS1400, STR28L-STR29L. SUPPLEMENTAL DATA UPDATE, REMOVED SHEAR TIE, REMOVED CORROSION AND REMAINING MATERIAL AFTER CLEAN-UP WITHIN LIMITS OF SRM 53-00-07 AND DWG 146N1011, AND REINSTALLED SHEAR TIE. MAJOR REPAIR