# SDR AALA202209096343

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 26, 2022
- Submitted: September 9, 2022
- Operation: Air carrier
- Aircraft: [N723UW](https://openairdocs.org/aircraft/N723UW), registered now
- Make and model: Airbus A319-112
- Registry model: [Airbus A319-112](https://openairdocs.org/model/airbus-industrie-a319-112) (OpenAirDocs)
- Aircraft serial: 1109
- Aircraft time: 61,136 hours, 35,993 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Transfer Tube
- Condition: Leaking
- Location: Zone 100 - Fuse
- Component: Apu, Honeywell, 1319A
- Component part number: 38007081
- Stage of operation: DE
- 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/AALA202209096343

## Discrepancy

AIRCRAFT WAS GROUNDED: DURING DECENT ODOR OF DIRTY SOCKS/OIL FUME SMELL ON FLIGHT DECK. ODOR WAS NOT PRESENT IN PASSENGER CABIN ACCORDING TO FLIGHT ATTENDANTS. MAINTENANCE ISOLATED THE SOURCE OF THE ODOR TO THE APU. **ORIGINAL REPORT WAS ALA202208291146** MAINTENANCE REPLACED APU OIL COOLER, REPLACED APU OIL COOLING FAN O-RINGS (AALA202209094454) AND APU OIL COOLING FAN TRANSFER TUBE (AALA202209096343). A SATISFACTORY LEAK / OPERATIONAL CHECK WAS ACCOMPLISHED WITH NO ODORS BEING NOTED

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