# SDR FDEA201512184029

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 18, 2015
- Submitted: December 18, 2015
- Operation: Air carrier
- Aircraft: [N582FE](https://openairdocs.org/aircraft/N582FE), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48420
- Aircraft time: 79,182 hours, 18,294 cycles
- System (JASC): [3520 · Passenger Oxygen System](https://openairdocs.org/jasc/3520)
- Part: Switch
- Condition: Inoperative
- Location: O2 Mask
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: H
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA201512184029

## Discrepancy

DON O2 MASK COURIER COMPARTMENT FAIL TO ILLUMINATE, DURING PREFLIGHT CHECK.  R & R  COURIER DON OXYGEN SWITCH PN JMS2109-42-20A IAW SWPM 20-00.  OPERATIONS TESTED SATISFACTORY IAW AMM 35-21-07-5.  ITEM OK FOR SERVICE.

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