# SDR AALA201508179011

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 14, 2015
- Submitted: August 18, 2015
- Operation: Air carrier
- Aircraft: [N920US](https://openairdocs.org/aircraft/N920US), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6490
- Aircraft time: 1,763 hours, 673 cycles
- System (JASC): [5210 · Passenger/Crew Doors](https://openairdocs.org/jasc/5210)
- Part: Bottle
- Part number: FE240007
- Part serial: RFM11202
- Condition: Low Pressure
- Location: L4 Door
- Part time: 1,763 hours, 673 cycles
- Stage of operation: IN
- How discovered: O
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201508179011

## Discrepancy

4L DOOR DOES NOT SHOW ARMED ON CIDS PANEL WHEN ARMED & ALSO DISPLAYS CHECK DOOR PRESS.  4L DOOR ARM & DISARM INDICATION CHECKS OK ON CIDS PANEL.  FOUND DOOR ASSIST BOTTLE PRESS IN YELLOW BAND.  SERVICED ASSIST BOTTLE IAW AMM 52-10-00-614-001-A, CHECKED OK.

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