# SDR CALA2025031802911

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 14, 2025
- Submitted: March 18, 2025
- Operation: Air carrier
- Aircraft: [N803UA](https://openairdocs.org/aircraft/N803UA), registered now
- Make and model: Airbus A319-131
- Registry model: [Airbus A319-131](https://openairdocs.org/model/airbus-industrie-a319-131) (OpenAirDocs)
- Aircraft serial: 748
- Aircraft time: 80,829 hours, 35,110 cycles
- System (JASC): [5230 · Cargo/Baggage Doors](https://openairdocs.org/jasc/5230)
- Part: Switch
- Part number: S4340090001
- Part serial: 01409
- Condition: Faulted
- Location: Zone 800
- Part time: 20,810 hours, 10,701 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2025031802911

## Discrepancy

AFT CARGO DOOR OPEN /CLOSE SWITCH INOP, ONLY WORKS WHEN FWD CARGO DOOR OPERATED. PLACING AFT CARGO DOOR OPEN/CLOSE SWITCH ON MEL 5230AB. OK TO APPLY MEL 5230AB FOR AFT CARGO DOOR ELECTRICAL CONTROL INOP PLACED AFT CARGO DOOR OPEN/CLOSE SWITCH ON MEL 5230AB. COMPLIED WITH MEL5230AB, AFT CARGO DOOR SECURED LOCKED AND LATCHED. REPLACED SELECTOR VALVE AFT IAW AMM 52-36-15/401.

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