# SDR GTIA2021032235651

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 21, 2021
- Submitted: March 22, 2021
- Operation: Air carrier
- Aircraft: [N673NK](https://openairdocs.org/aircraft/N673NK), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 7395
- Aircraft time: 13,725 hours, 5,964 cycles
- System (JASC): [2560 · Emergency Equipment](https://openairdocs.org/jasc/2560)
- Part: Bottle
- Condition: Low Pressure
- Location: L4 Door
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/GTIA2021032235651

## Discrepancy

L4 DOOR ASSIST BOTLLE REQUIRES SERVICE-SERVICED L4 DOOR ASSITS BOTLLE IAW AMM 52-10-00

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