What was found
CORROISION ON THE FLOORBEAM AT BS 1200, LBL 2 TO LBL 68. EVALUATED UPPER SURFACE OF THE FLOORBEAM AND FOUND TO BE GREATER THAN 10% OF MATERIAL THICKNESS. REPAIRED THE UPPER SURFACE OF THE FLOORBEAM IAW SRM 53-00-51-2R, REPAIR 8.
- Difficulty date
- July 27, 2020
- Submitted
- August 20, 2020
- Operation
- Air carrier
- Aircraft
- N910FD
- Make and model
- Boeing 757236
- Aircraft serial
- 25054
- Aircraft time
- 58,152 hours, 22,343 cycles
- System (JASC)
- 5315 · Fuselage Main, Floor Beam
- Part
- Floorbeam
- Condition
- Corroded
- Location
- Bs 1200
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.