What was found
SUPPORT TASK: MAIN CABIN AFT WET AREA, STA 986 LBL39 FLOORBEAM UPPER CHORD IS CORRODED AT NUTPLATE HOLE. REPAIRED FLOORBEAM UPPER FLANGE IAW B737 SRM 53-70-51-2R REPAIR #6.
- Difficulty date
- May 20, 2026
- Submitted
- June 1, 2026
- Operation
- Air carrier
- Aircraft
- N45440
- Make and model
- Boeing 737924ER
- Aircraft serial
- 33535
- Aircraft time
- 52,790 hours, 18,878 cycles
- System (JASC)
- 5315 · Fuselage Main, Floor Beam
- Part
- Floorbeam
- Part number
- 147A550616
- 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.