What was found
MAJOR REPAIR, APU COMPT LOWER SKIN BELOW THE EXHAUST DUCT INNER SURFACE DELAMINATED AT BS 1992. THE PROTECTIVE COATING WAS RESTORED IAW AMM 51-21-15-370-802.
- Difficulty date
- February 7, 2026
- Submitted
- March 13, 2026
- Operation
- Air carrier
- Aircraft
- N427UP
- Make and model
- Boeing 75724APF
- Aircraft serial
- 25458
- Aircraft time
- 33,168 hours, 23,133 cycles
- System (JASC)
- 5330 · Fuselage Main, Plate/Skin
- Part
- Skin
- Condition
- Delaminated
- 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.