- Difficulty date
- September 28, 2025
- Submitted
- October 15, 2025
- Operation
- Air carrier
- Make and model
- Boeing 75724APF
- Aircraft serial
- 25478
- Aircraft time
- 38,076 hours, 22,607 cycles
- Part
- Skin
- Part number
- 148N377017
- Condition
- Delaminated
- Location
- Tail Cone
- 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
TAIL CONE STA1963-1992 BOTTOM SKIN INTERNAL BELOW THE APU EXHAUST MANIFOLD CORRODED/DELAMINATED. REMOVED SKIN BELOW APU EXHAUST MANIFOLD IAW SRM 51-40-02. INSTALLED NEW BOND ASSY (SKIN PANEL) IAW SRM 51-40-02-0G-0 AND DWG 148N3770. INSTALLED APU EXHAUST DUCT IAW AMM 49-81-01-422-039 AND APU EXHAUST CONE IAW AMM 49-81-03-414-008.