# SDR AALA202109205151

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 17, 2021
- Submitted: September 20, 2021
- Operation: Air carrier
- Aircraft: [N184US](https://openairdocs.org/aircraft/N184US), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 1651
- Aircraft time: 64,245 hours, 24,422 cycles
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- Part: None
- Condition: None
- Stage of operation: TX
- How discovered: V
- Nature of condition: N
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202109205151

## Discrepancy

AIRCRAFT WAS GROUNDED: AFTER PUSH BACK, L4 DOOR INDICATES OPEN WITH DOOR CLOSED. RETURNED TO GATE. ACCOMPLISHED TEST OF THE DOOR WARNING SYSTEM PER AMM 57-71-00-710-001-A. L4 DOOR CHECKED GOOD.

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