# SDR AALA2020090749008

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 3, 2020
- Submitted: September 7, 2020
- Operation: Air carrier
- Aircraft: [N909AM](https://openairdocs.org/aircraft/N909AM), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 7756
- Aircraft time: 9,390 hours, 3,529 cycles
- System (JASC): [2560 · Emergency Equipment](https://openairdocs.org/jasc/2560)
- Part: Bottle
- Condition: Low Pressure
- Location: L4 Door Assist
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA2020090749008

## Discrepancy

AIRCRAFT NOT GROUNDED - LOW PRESSURE, L4 DOOR ASSIST BOTTLE.  SERVICED L4 DOOR ASSIST BOTTLE PER AMM 52-10-00.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.