What was found
CORROSION ON BS328 FLOORBEAM UPPER FLANGE AT NUTPLATE HOLE RBL40; WL208. REPAIRED BS 328 FLOORBEAM UPPER FLANGE R/H SIDE ON FAULT [TTG8Q01BPT65]
- Difficulty date
- April 15, 2026
- Submitted
- May 11, 2026
- Operation
- Air carrier
- Aircraft
- N8639B
- Make and model
- Boeing 7378H4
- Aircraft serial
- 60086
- Aircraft time
- 39,504 hours, 19,287 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.