# SDR AALA202205044006

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 1, 2022
- Submitted: May 4, 2022
- Operation: Air carrier
- Aircraft: [N540UW](https://openairdocs.org/aircraft/N540UW), registered now
- Make and model: Airbus A300*
- Aircraft serial: 4107
- Aircraft time: 39,043 hours, 15,398 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Cooling Fan
- Part number: 361614011
- Part serial: P1034C
- Condition: Leaking
- Location: Zone 100 - Fuse
- Part time: 45,080 hours, 17,780 cycles
- Component: Apu, Honeywell, 1319A
- Component part number: 38007081
- Stage of operation: CR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202205044006

## Discrepancy

AIRCRAFT WAS GROUNDED: DIRTY SOCK SMELL COMING THROUGH VENTS AFTER START, BRIEFLY AT CRUISE AND DURING APU BLEED USE AFTER SHUTDOWN. MAINTENANCE FOUND THE APU OIL COOLING FAN LEAKING OIL AND REPLACED IT PER TASK CARD 4921Y001-001.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.