Service difficulty report · Floor Support · Boeing 757222

Difficulty date
July 18, 2011
Submitted
July 28, 2011
Operation
Air carrier
Aircraft
N574UA
Make and model
Boeing 757222
Aircraft serial
26686
Aircraft time
61,428 hours, 22,635 cycles
Engine
Pwa PW2037
Part
Floor Support
Condition
Corroded
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

FLOOR SUPPORT CHANNEL BETWEEN FLOORBEAM BS 310.5 AND 324 RBL 36.2 CORRODED (NR2809N00113). MAJOR REPAIR ACCOMPLISHED: FABRICATED NEW SUPPORT CHANNEL IAW EO RESTT1450 FROM .125" THICK 7075-T6 CLAD AND B757 GNMM SAMPLE 1-0-0-023. TREATED AND PRIMED AND TOPCOATED IAW B757 SRM. REMOVED AND FABRICATED NEW SUPPORT CHANNEL SHIM AND INSTALLED NEW SUPPORT CHANNEL SHIM IAW B757 SRM.