What was found
MULTIPLE CORRODED FASTENERS AND AREAS OF DELAMINATION ON FLOORBOARD 242UF. GROUNDED - YES. REPAIRED DELAMINATION AND REPLACED INSERTS ON FLOORBAORD 242UF IAW B737-900 SRM 53-00-50-2R-1, 53-00-50-212-0.
- Difficulty date
- August 30, 2025
- Submitted
- October 10, 2025
- Operation
- Air carrier
- Aircraft
- N471AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41703
- Aircraft time
- 40,738 hours, 12,607 cycles
- System (JASC)
- 5321 · Fuselage Floor Panel
- Part
- Floor Panel
- Part number
- 147A5810440
- Condition
- Delaminated
- 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.