- Difficulty date
- July 22, 2026
- Submitted
- August 27, 2026
- Operation
- Air carrier
- Make and model
- Boeing 737890
- Aircraft serial
- 35182
- Aircraft time
- 70,076 hours, 21,176 cycles
- Part
- Floorbeam
- Part number
- 147A5506
- 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.
What was found
AFT WET STA 986.5 FLOOR BEAM CORRODED AT LBL-38 ON UPPER FLANGE. GROUNDED - YES. REMOVED CORROSION FOUND TO BE OUT OF LIMTIS IAW B737-800 SRM 53-70-51-1A-1, REPAIRED FLOOR BEAM IAW B737-800 SRM 53-70-51-2R-4 W= 1.5" O= .160 R= .105 L= 3" D= .055.