# SDR 9JLA201502267983

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 27, 2015
- Submitted: February 26, 2015
- Operation: Air carrier
- Aircraft: N1JP
- Make and model: Beech 400A
- Registry model: [Beech 400A](https://openairdocs.org/model/hawker-beechcraft-400a) (OpenAirDocs)
- Aircraft serial: RK432
- Aircraft time: 3,409 hours, 3,159 cycles
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Oxygen Mask
- Part number: 17426212
- Part serial: 15072
- Condition: Leaking
- Location: Cockpit
- Part time: 1,889 hours
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/9JLA201502267983

## Discrepancy

DURING THE POST FLIGHT INSPECTIONS THE PILOTS OXYGEN MASK WAS LEAKING OXYGEN FROM THE SUPPLY HOSE AT THE FLOW INDICATOR.  THE DEFECTIVE MASK ASSEMBLY PN 174262-12, SN 15072 WAS REMOVED & THE MASK WAS REPLACED WITH A LOANER MASK.

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