# SDR AALA201909059001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 4, 2019
- Submitted: September 18, 2019
- Operation: Air carrier
- Aircraft: [N127AA](https://openairdocs.org/aircraft/N127AA), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6334
- Aircraft time: 16,929 hours, 4,754 cycles
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- Part: Indicator
- Part number: Z912H0001110
- Condition: Faulty
- Location: L4 Door
- Stage of operation: NR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201909059001

## Discrepancy

AIRCRAFT NOT GROUNDED: PILOT REPORTS LEFT AFT CABIN DOOR (4L) PRODUCES INTERMITTENT AURAL WARNING WHEN DOOR IS CORRECTLY ARMED. ***SUPPLEMENTAL INFORMATION: MAINTENANCE REMOVED AND REPLACED 4L DOOR SLIDE ARMED INDICATOR LIGHT ASSEMBLY IAW AMM 52-73-21. OPS CHECK OF EMERGENCY ESCAPE SLIDE RELEASE MECHANISM OF 4L DOOR IS NORMAL.*** (CLOSED)

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