# SDR QXEA2021061100288

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 11, 2021
- Submitted: June 11, 2021
- Operation: Air carrier
- Aircraft: [N631QX](https://openairdocs.org/aircraft/N631QX), registered now
- Make and model: Emb ERJ 170-200 LR
- Registry model: [EMB ERJ 170-200 LR](https://openairdocs.org/model/embraer-s-a-erj-170-200-lr) (OpenAirDocs)
- Aircraft serial: 17000713
- Aircraft time: 8,808 hours, 5,378 cycles
- System (JASC): [3520 · Passenger Oxygen System](https://openairdocs.org/jasc/3520)
- Part: Oxygen Mask
- Condition: Unwanted Deploy
- Location: Seats 20ab
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QXEA2021061100288

## Discrepancy

ON TAKEOFF O2 MASKS ABOVE 20 A&B DEPLOYED. FA'S UNABLE TO STOW AT MTX REQUEST. RETURNED TO FIELD. RESTOWED O2 MASKS ABOVE 20A/B, IAW E-175 AMM 35-20-00-860-801A. NO OTHER DEFECTS. RETURNED TO SERVICE.

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