# SDR YENA2023042000413

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 15, 2023
- Submitted: April 20, 2023
- Operation: Air carrier
- Aircraft: [N989JT](https://openairdocs.org/aircraft/N989JT), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 07924
- Aircraft time: 21,513 hours, 4,227 cycles
- System (JASC): [3520 · Passenger Oxygen System](https://openairdocs.org/jasc/3520)
- Part: Unknown
- Condition: Unknown
- 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/YENA2023042000413

## Discrepancy

DURING HEAVY MAINTENANCE: DONT PASS OPERATIONAL TEST EMERGENCY OXYGEN CONTAINER DROP IN PASSENGER CABIN; REF AEROMAN NR 2023-199325 WO 2023 114/1 PERFORMED TSM IAW 35-23-00-810-807A PERFORMED OPERATIONAL CHECK OF MANUAL MASK RELEASE IAW AMM 35-23-00-710-001A TEST IS OK  ACCOMPLISHED BY AEROMAN TECH 8613818  RII BY QC 286.'

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