What was found
'CORROSION' LH AFT CABIN FLOOR @ STA 986.5 LBL43 FLOOR BEAM HAS CORROSION. (18015) UPPER TCHORD REPAIR COMPLETED AT STA 986.5 (ENTIRE UPPER TCHORD REPLACED) ON NR#W147048; IAW B737700 SRM 5370512R4 REPAIR 4.
- Difficulty date
- May 4, 2020
- Submitted
- April 27, 2021
- Operation
- Air carrier
- Aircraft
- N464WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 32468
- Aircraft time
- 55,704 hours, 33,002 cycles
- System (JASC)
- 5315 · Fuselage Main, Floor Beam
- Part
- Floorbeam
- Condition
- Corroded
- Location
- Aft Cabin
- 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.