Service difficulty report · Frame · Boeing 757222

Difficulty date
July 27, 2011
Submitted
August 17, 2011
Operation
Air carrier
Aircraft
N572UA
Make and model
Boeing 757222
Aircraft serial
26682
Aircraft time
61,793 hours, 22,700 cycles
Engine
Pwa PW2037
Part
Frame
Condition
Corroded
Location
Bs 1300 S28l-29r
Stage of operation
IN
How discovered
9
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

CORROSION ON FRAME STA 1300, STR 28L - 29R. MAJOR REPAIR ACCOMPLISHED: REMOVED CORROSION FROM THE 146N1028-112 BS 1300 BOTTOM FRAME AT STR S-30. EXCESSIVE LOSS WAS FOUND OUT OF LIMITS OF SRM. ACP NDT FOR CRACKS ON FRAME AND HOLES COMMON TO THE REPAIR. FABRICATED AND INSTALLED NESTED ANGLE REPAIR REF EA PD-53-165 AND UA-EVA-81147.