# SDR AWXA200300573

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 21, 2003
- Submitted: May 22, 2003
- Operation: Air carrier
- Aircraft: N632AW
- Make and model: Airbus A320-231
- Registry model: [Airbus A320-231](https://openairdocs.org/model/airbus-industrie-a320-231) (OpenAirDocs)
- Aircraft serial: 81
- Aircraft time: 43,252 hours, 19,480 cycles
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Oxygen Mask
- Part number: MF100511
- Part serial: 23208
- Condition: Leaking
- Location: Flight Deck
- Part time: 41,451 hours, 19,014 cycles
- Stage of operation: NR
- How discovered: C
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AWXA200300573

## Discrepancy

FLIGHT CREW REPORTED THE FIRST OFFICERS OXYGEN MASK IS LEAKING. MAINTENANCE REMOVED AND REPLACED THE FIRST OFFICERS OXYGEN MASK IAW T/C R1B35301, OPERATIONAL CHECK WAS GOOD.  VENDOR LEAK TEST OF OXYGEN MASK S/N 23208 FOUND NO LEAKS, REASON FOR REMOVAL WAS NOT CONFIRMED. A FULL INSPECTION OF MASK WAS ACCOMPLISHED IN WHICH NUMEROUS DEFECTIVE PARTS WERE REPLACED. THESE ITEMS INCLUDE A FRAYED PNEUMATIC HARNESS (P/N MXH30), 10 EACH O-RINGS (P/N R03460X240A20B6), GASKET SEAL (P/N 553008), AND VISOR (P/N 446268).

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