# SDR DALA2026041602411

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 15, 2026
- Submitted: April 16, 2026
- Operation: Air carrier
- Aircraft: [N521DT](https://openairdocs.org/aircraft/N521DT), registered now
- Make and model: Airbus A321-271NX
- Registry model: [Airbus A321-271NX](https://openairdocs.org/model/airbus-s-a-s-a321-271nx) (OpenAirDocs)
- Aircraft serial: 11082
- Aircraft time: 14,984 hours, 3,669 cycles
- Engine: Iae PW1133GJM
- System (JASC): [7261 · Turbine Engine Oil System](https://openairdocs.org/jasc/7261)
- Part: Seal
- Condition: Leaking
- Location: Nr 2 Eng Fan
- Stage of operation: IN
- How discovered: V
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2026041602411

## Discrepancy

AIRCRAFT 5021, AFTER SHUTDOWN, WHEN SWITHING TO APU BLEED AIR SOURCE, STRAG SMELL OF EXHAUST FUMES & DIRTY COCK ODOR IN CABIN.   FOUND LEAK ON #2 ENG REPLACED #2 ENG FAN SHAFT SEAL AS PER A321N AMM 72-00-00-210-813-A LEAK CHECK OK. PERFORMEDED LEVEL B DECONTAMINATION AS PER A321 AMM 21-00-00-615-803-A. (LP 8137072, 1545272 - AIRCRAFT WAS GROUNDED)

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