What was found
AIRCRAFT IN BASE MAINTENANCE: CORROSION ON PASSENGER CABIN FLOORBEAM UPPER CHORD (T-CHORD) AROUND LAVATORY MOUNT AT STA 947, LBL 23.5 REPAIRED UPPER CHORD PER SRM 53-70-51 AND EA 366572
- Difficulty date
- July 17, 2025
- Submitted
- August 5, 2025
- Operation
- Air carrier
- Aircraft
- N934NN
- Make and model
- Boeing 737823
- Aircraft serial
- 33489
- Aircraft time
- 35,019 hours, 15,327 cycles
- System (JASC)
- 5315 · Fuselage Main, Floor Beam
- Part
- Floorbeam
- Condition
- Corroded
- Location
- Zone 100
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.