# SDR DALA2025100107123

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 30, 2025
- Submitted: October 1, 2025
- Operation: Air carrier
- Aircraft: [N336NW](https://openairdocs.org/aircraft/N336NW), registered now
- Make and model: Airbus A320-212
- Registry model: [Airbus A320-212](https://openairdocs.org/model/airbus-industrie-a320-212) (OpenAirDocs)
- Aircraft serial: 355
- Aircraft time: 96,064 hours, 44,471 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Manifold
- Condition: Leaking
- Location: Mlg Ww
- Stage of operation: LD
- 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/DALA2025100107123

## Discrepancy

AFTER LANDING WHEN APU BLEED AIR SELECTED ON DIRTY SOCK ODOR OBSERVED IN FLIGHT DECK AND AFT CABIN. ODOR DISPERSED WHEN APA BLEED SEALED OFF.  C/W W/C 0550-2002 STEP 1-4 CONFIRM APU CONTAMINATION OF HYD FLUID COMING FROM WHEEL WELL AREA, C/W LEVEL B DECONTAMINATION PER AMM 21-00- 00-615-803-A NO ODOR NO SMOKE NOTED, FOUND HYD LEAK IN WW AT HP MANIFOLD REFER TO LOG 7404103 DUE TO CONTAMINATION OF APU, APU WILL INOP ON MEL. (LP: 7404102)

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