# SDR DALA2021120307477

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 3, 2021
- Submitted: December 4, 2021
- Operation: Air carrier
- Aircraft: [N362DN](https://openairdocs.org/aircraft/N362DN), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 8447
- Aircraft time: 8,235 hours, 3,702 cycles
- System (JASC): [4930 · APU Engine Fuel and Control](https://openairdocs.org/jasc/4930)
- Part: Fuel Control
- Condition: Leaking
- Location: Apu
- Stage of operation: TX
- How discovered: O
- Nature of condition: K, B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2021120307477

## Discrepancy

AFTER DOOR CLOSED AND APU BLEED ON, DIRTY SMOKE SMELL IN COCKPIT. COMPLIED WITH AMDS WORK CARD 0550-2002 UP TO STEP 8. STEP 8 NEEDS TO BE COMPLIED WITH. SOURCE OF SMOKE SMELL LEAKING APU FUEL CONTROL. ITEM NEEDS REPLACED.(063349)REMOVED AND REPLACED APU FUEL CONTROL UNIT PER A321 AMM 49-32, LEAK CK GOOD.  COMPLIED WITH AMDS WORK CARD 4900-2001 UP TO STEP 5. NEEDS TO BE COMPLIED WITH COMPLETED WRK CARDS 49-2001 AND 0550- 2002.

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