# SDR UALA2012050102576

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 28, 2012
- Submitted: May 25, 2012
- Operation: Air carrier
- Aircraft: [N457UA](https://openairdocs.org/aircraft/N457UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1146
- Aircraft time: 40,613 hours, 17,004 cycles
- Engine: Iae V2527A5
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Control Unit
- Part number: RAI2800M0403
- Part serial: 22
- Condition: Malfunctioned
- Location: Smoke Detection
- Stage of operation: TX
- How discovered: O
- Nature of condition: N
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2012050102576

## Discrepancy

FLIGHT RETURNED TO BLOCKS DUE TO LAV/SMOKE WARNING.   REPLACED SDCU 10WQ, LAV SMOKE FAULT CLEARED AND CHECKED GOOD.

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