What was found
APU EXHAUST DUCT (INTERNAL SIDE) WITH CRACKS AND MISSING MATERIAL (DOT 64-004). INSTALLED NEW DUCT ASSY (INTERNAL APU DUCTING) IAW SRM 51-40-21-001. INSTALLED EXHAUST MUFFLER AND SEALING RING ON APU IAW AMM 49-81-15/401.
- Difficulty date
- July 2, 2026
- Submitted
- August 19, 2026
- Operation
- Air carrier
- Aircraft
- N144UP
- Make and model
- Airbus A300F4622R
- Aircraft serial
- 0827
- Aircraft time
- 29,027 hours, 17,670 cycles
- System (JASC)
- 4980 · APU Exhaust System
- Part
- Exhaust Duct
- Part number
- A4987041600400
- Condition
- Cracked
- Location
- Apu
- 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.