# SDR DALA2023042403205

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 23, 2023
- Submitted: April 24, 2023
- Operation: Air carrier
- Aircraft: [N806NW](https://openairdocs.org/aircraft/N806NW), registered now
- Make and model: Airbus A330-323
- Registry model: [Airbus A330-323](https://openairdocs.org/model/airbus-a330-323) (OpenAirDocs)
- Aircraft serial: 0578
- Aircraft time: 84,059 hours, 11,071 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Unknown
- Condition: Unknown
- Location: Unknown
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2023042403205

## Discrepancy

SHIP 3306 ACFT CONDITIONED AIR HAS MUSTY DIRTY SOCK SMELL IN COCKPIT AND CABIN ON GROUND AND IN FLIGHT. CORECTIVE ACTION: T/S. A VISUAL INSPECT OF ENG 1 AND 2 INLET FOR OIL, NONE FOUND. INSOECTED APU BLEED DUCT FOR OIL, NONE FOUND. ACCOMPLISHED DECONTAMINATION OF APU BLEED AIR SYSTEM. COMPLETE LEVEL A DECONTAMINATION OF ECS WITH ENG'S. ODOR STILL PRESENT. FOUND EVIDENCE OF OIL COMING OUT OF APU DRAIN FOUND LUBE PUMP LEAKING, FOUND EVIDENCE OIL IN APU AIR SUPPLY LINE. R/R APU OIL PUMP. OPS CHECK GOOD NO LEAKS NOTED. REPLACED FWD CARGO RECIRCULATION FILTER. AFT CARGO RECIRCFILTER REPLACED. COMPLETED LEVEL A DECONTAMINATION OF ECS. COMPLETED DECONTAMINATION OF ECS. RAN APU AND ENGINES. NO ODOR PRESENT. (4627284)

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