What was found
EMPENAGE THROUGHT ACCESS PANEL 311AL STRUCTURE THAT ATTACH APU INLET DOOR HAVE CORROSION 07-005 INSTALLED APU AIR INTAKE DOOR IAW B757 AMM 49-15-05-404-016. AND INTAKE DOOR HOUSING IAW B757 AMM 49-15-08-404-008.
- Difficulty date
- April 9, 2026
- Submitted
- May 8, 2026
- Operation
- Air carrier
- Aircraft
- N421UP
- Make and model
- Boeing 75724APF
- Aircraft serial
- 25281
- Aircraft time
- 35,930 hours, 23,459 cycles
- System (JASC)
- 4910 · APU Cowling/Containment
- Part
- Strap
- Part number
- 248N3313820
- Part serial
- TAG02171817A
- 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.