- Difficulty date
- December 17, 2025
- Submitted
- December 19, 2025
- Operation
- Air carrier
- Make and model
- Boeing 75733N
- Aircraft serial
- 32589
- Aircraft time
- 72,509 hours, 21,526 cycles
- Part
- Longeron
- Part number
- 148N373010
- Condition
- Corroded
- Location
- Zone 100
- 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
APU COMPARTMENT LT BS 1885-1890 ABOVE APU DOOR LONGERON, METALIC HONEYCOMB SKIN INNER SURFACE CORRODED. REPAIRED AREA OF APU COMPT. LT BS 1885-1890 IAW SRM 51 -70-10-2R-0. PERFORMED POST CURE INSPECTION IAW NTM PART 451-00-03. DISBOND - DELAMINATION FREE. MAJOR REPAIR ACCOMPLISHED AND VERIFIED.