What was found
HAD MUSKY SMELL WHEN TURNING ON APU BLEED. SMELL WENT AWAY RIGHT AFTER FEW SECONDS. FOUND APU TO BE THE SOURCE, LEAKING INTERNALLY. REPLACED APU, PER AMDS # 4900-9002 OPS CHECK & LEAK CHECK GOOD. (LP 8306544)
- Difficulty date
- March 30, 2026
- Submitted
- March 30, 2026
- Operation
- Air carrier
- Aircraft
- N382DN
- Make and model
- Airbus A321211
- Aircraft serial
- 8854
- Aircraft time
- 20,757 hours, 8,833 cycles
- System (JASC)
- 4990 · APU Oil System
- Part
- Oil System
- Condition
- Leaking
- Location
- Apu
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- K, B
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.