# SDR AALA202209161873

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 7, 2022
- Submitted: September 16, 2022
- Operation: Air carrier
- Aircraft: [N770UW](https://openairdocs.org/aircraft/N770UW), registered now
- Make and model: Airbus A319-112
- Registry model: [Airbus A319-112](https://openairdocs.org/model/airbus-industrie-a319-112) (OpenAirDocs)
- Aircraft serial: 1393
- Aircraft time: 54,466 hours, 35,004 cycles
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- Part: Sdac
- Part number: 350E5500202
- Part serial: 0E5005138
- Condition: None
- Location: Zone 100 - Fuse
- Part time: 63,762 hours, 29,323 cycles
- Stage of operation: NR
- How discovered: V
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202209161873

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: THE CABIN DOOR WILL NOT INDICATE CLOSED, FLIGHT CREW TRIED TO CYCLE IT, BUT IT STILL INDICATES OPEN. **SUPPLEMENTAL REPORT FOR AALA202209121873: MAINTENANCE REPLACED THE #1 SYSTEM DATA ACQUISITION CONCENTRATOR (SDAC) PER AMM 31-55-34. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED WITH NO FAULTS NOTED. ** (CLOSED)

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