What was found
CORROSION AT AFT CABIN WET AREA FLOOR BEAM STA 947.5 UPPER FLANGE FROM LBL 25 TO RBL 11. ACCOMPLISHED FLOOR BEAM REPAIR AT BS 947.5 IAW SRM 53-70-51-2R-5 AND ECRA 5370-01188.
- Difficulty date
- August 1, 2025
- Submitted
- August 4, 2025
- Operation
- Air carrier
- Aircraft
- N75433
- Make and model
- Boeing 737924ER
- Aircraft serial
- 33527
- Aircraft time
- 51,735 hours, 18,355 cycles
- System (JASC)
- 5315 · Fuselage Main, Floor Beam
- Part
- Floorbeam
- Part number
- 147A550423
- 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.