Service difficulty report · Floorbeam · Boeing 757251

Difficulty date
December 21, 2018
Submitted
December 24, 2018
Operation
Air carrier
Aircraft
N536US
Make and model
Boeing 757251
Aircraft serial
26483
Aircraft time
70,682 hours, 23,459 cycles
Part
Floorbeam
Condition
Corroded
Location
Bs 1640
Stage of operation
IN
How discovered
O
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

SHIP 5636 AFT CABIN FLOOR STRUCTURE HAS CORROSION ON UPPER SURFACE, STA 1640 FROM BL-O TO RBL 58. SP53-252-01I DOT 028. I-29. CORRECTIVE ACTION: EVALUATED CORROSION FROM MAIN CABIN FLOOR BEAM STA 1640 BL O TO RBL 58 FOUND OUT OF LIMIT DUE TO CORROSION ON EXISTING REPAIR, REPAIRED FLOOR BEAM FULL LENGTH IAW B757 SRM.