# SDR DALA2024020401518

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 3, 2024
- Submitted: February 4, 2024
- Operation: Air carrier
- Aircraft: [N358NW](https://openairdocs.org/aircraft/N358NW), registered now
- Make and model: Airbus A320-212
- Registry model: [Airbus A320-212](https://openairdocs.org/model/airbus-industrie-a320-212) (OpenAirDocs)
- Aircraft serial: 832
- Aircraft time: 74,947 hours, 35,336 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Oil System
- Part number: UNKNOWN
- Condition: Leaking
- Location: Apu
- Stage of operation: DE
- 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/DALA2024020401518

## Discrepancy

STRONG WET SOCK ODOR ON DESCENT AT FLIGHT IDLE APPROACHING 10000 MSL TO THE GATE. ODOR DETECTED IN BOTH THE COCKPIT AND THE CABIN.  C/W NO GO ODI CHECKLIST. FOUND OIL LEAK AROUND APU INLET. PERFORMED GVI OF L+R ENG W/ NO LEAKS NOTED. C/W W/C 2100-2005 UP TO STEP 24. RAN BOTH ENG W/ NO ODOR IN CABIN.(007964DB) C/W W/C 0550-2002. STILL NEED W/C 2100-2005 STEPS 25/28/30.(007964DB) W /C 2100-2005 C/W. RECIRC FILTERS R/R PER AMM 21-21 (TW 829224) ALL NO GO ODI STEPS C/W, A/C OK FOR SERVICE. (LP: 5401192) APU REPLACED ON LP: 5401194.  ENGINE REPLACED ON LP: 5545803 & 0187634

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