# SDR SCNA99661

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 31, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N152SY](https://openairdocs.org/aircraft/N152SY), registered now
- Make and model: Doug DC-10-15
- Registry model: [Doug DC-10-15](https://openairdocs.org/model/mcdonnell-douglas-dc-10-15) (OpenAirDocs)
- Aircraft serial: 48289
- System (JASC): [3520 · Passenger Oxygen System](https://openairdocs.org/jasc/3520)
- Part: O2 Mask
- Condition: Failed
- Location: Lavatory
- Stage of operation: IN
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SCNA99661

## Discrepancy

DURING A HEAVY MAINTENANCE CHECK, THE LAV A AND LAV B OXYGEN MASKS DID NOT DEPLOY DURING TEST.  TS AND CONNECTED WIRES FOR LAVS A AND B IAW DC10 MM 203000 AND IAW DC10 WD 352201.  OPERATIONALLY CHECKS GOOD IAW DC10 MM 352101.

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