What was found
AIRCRAFT IN BASE MAINTENANCE: CORROSION ON PASSENGER CABIN FLOORBEAM UPPER CHORD (T-CAP) AT INBOARD AFT LAVATORY MOUNT, LOCATED AT BS 947 FROM RBL 15 TO LBL 47. REPAIRED UPPER CHORD PER SRM 53-70-51-2R-5 AND EA 367489.
- Difficulty date
- August 12, 2025
- Submitted
- September 11, 2025
- Operation
- Air carrier
- Aircraft
- N936NN
- Make and model
- Boeing 737823
- Aircraft serial
- 31176
- Aircraft time
- 34,607 hours, 15,153 cycles
- System (JASC)
- 5315 · Fuselage Main, Floor Beam
- Part
- Floorbeam
- Condition
- Corroded
- Location
- Zone 200
- 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.