What was found
APU INLET DOOR FWD UPPER CORNER ANGLE AT BS 1787.45, S3R HAS CORROSION. REMOVED UPPER CORNER ANGLE CORRODED IAW SRM 51-40-02-0G-0. INSTALLED NEW UPPER CORNER ANGLE APU INLET DOOR FWD UPPER BS 1787.45, S3R IAW SRM 51-40-02.
- Difficulty date
- August 25, 2026
- Submitted
- September 9, 2026
- Operation
- Air carrier
- Aircraft
- N441UP
- Make and model
- Boeing 75724APF
- Aircraft serial
- 27386
- Aircraft time
- 33,003 hours, 21,322 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Angle
- Part number
- 148N31416
- 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.