What was found
(B757-49-3-8084) THE INTERIOR FLANGE IS CORRODED AND CRACKED, FOR THE APU AIR INLET DOOR ASSY., AT THE FWD O/B EDGE AND THE O/B AFT EDGE, VIEWED SITTING ON TOP OF THE HOR. STAB. CENTER BOX, LO OKING UP.
- Difficulty date
- September 11, 2021
- Submitted
- September 13, 2021
- Operation
- Air carrier
- Aircraft
- N17122
- Make and model
- Boeing 757224
- Aircraft serial
- 27564
- Aircraft time
- 87,627 hours, 21,288 cycles
- System (JASC)
- 4920 · APU Core Engine
- Part
- Flange
- Part number
- 148N31388000
- Condition
- Corroded
- Location
- Apu Inlet Door
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.