What was found
CORROSION ON FLOORBEAM UPPER FLANGE AT NUTPLATE HOLE, BS 986.5, LBL 43, WL 208. REPAIRED THE FLOORBEAM FWD UPPER FLANGE IAW SRM 51-40-02-0G-0 AND SRM 53-70-51-2R-6, REPAIR 6.
- Difficulty date
- August 20, 2026
- Submitted
- September 29, 2026
- Operation
- Air carrier
- Aircraft
- N8643A
- Make and model
- Boeing 7378H4
- Aircraft serial
- 42524
- Aircraft time
- 39,924 hours, 19,432 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.