# SDR AALA201908289020

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 26, 2019
- Submitted: August 28, 2019
- Operation: Air carrier
- Aircraft: [N561UW](https://openairdocs.org/aircraft/N561UW), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 5317
- Aircraft time: 23,545 hours, 9,344 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Oil Cooler
- Part number: 361614011
- Part serial: P1103C
- Condition: Leaking
- Location: Apu
- Part time: 22,610 hours, 14,178 cycles
- Stage of operation: NR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201908289020

## Discrepancy

AIRCRAFT WAS GROUNDED: PILOT REPORTS CABIN ODOR WITH APU RUNNING. MAINTENANCE FOUND APU COOLING FAN AND APU OIL LUBE MODULE LEAKING. REMOVED & REPLACED COOLING FAN IAW AMM 49-2-51. REMOVED & REPLACED OIL LUBE MODULE IAW AMM 49-91-45. OPS AND LEAK CHECK GOOD. (SEE SDR # AALA201908289036)

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