What was found
MAIN CABIN FLOOR BEAM LOWER SURFACE IS CORRODED UNDER NUTPLATE BS 1681-RBL 12. REPLACED NUTPLATE STRIP AS REQUIRED, IAW BOEING DRAWINGS 146N5693 REV "B", 146N5300 REV "F", AND B757 SRM 51-40-02.
- Difficulty date
- November 25, 2020
- Submitted
- November 25, 2020
- Operation
- Air carrier
- Aircraft
- N780FD
- Make and model
- Boeing 757222
- Aircraft serial
- 25253
- Aircraft time
- 76,969 hours, 30,018 cycles
- System (JASC)
- 5315 · Fuselage Main, Floor Beam
- Part
- Floorbeam
- Condition
- Corroded
- Location
- Cabin
- 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.