# SDR AT990721

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 8, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N942AT](https://openairdocs.org/aircraft/N942AT), registered now
- Make and model: Boeing 717-200
- Registry model: [Boeing 717-200](https://openairdocs.org/model/boeing-717-200) (OpenAirDocs)
- Aircraft serial: 55005
- System (JASC): [3520 · Passenger Oxygen System](https://openairdocs.org/jasc/3520)
- Part: Mask
- Condition: Failed Test
- Location: Row 1r&19l
- 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/AT990721

## Discrepancy

DURING OXYGEN MASK DROP TEST, OXYGEN MASKS AT SEAT 1R AND 19L DID NOT DROP.

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