Service difficulty report · Floor Support · Boeing 757231

Difficulty date
December 5, 2022
Submitted
December 7, 2022
Operation
Air carrier
Aircraft
N721TW
Make and model
Boeing 757231
Aircraft serial
29954
Aircraft time
83,196 hours, 21,517 cycles
Part
Floor Support
Condition
Corroded
Location
Bs 1495-1510
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 FLOOR SUPPORT (UPPER AND LWR SIDES) RBL 11.40, BTW STA S 1495 AND 1510 AT BULK CARGO. FLOOR SUPPORT WAS REPAIRED PER B757-200 SRM. HFEC INSPECTION WAS ACCOMPLISHED ALONG THE CUT EDGES. NO CRACKS WERE FOUND PER B757-200 SRM.