# SDR UALA2010040501112

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 3, 2010
- Submitted: April 7, 2010
- Operation: Air carrier
- Aircraft: [N799UA](https://openairdocs.org/aircraft/N799UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26926
- Aircraft time: 52,702 hours, 7,734 cycles
- Engine: Pwa PW40903
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Detector
- Part number: PU90471WR1
- Condition: No Test
- Location: Lavatory
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2010040501112

## Discrepancy

SMOKE DETECTOR IN LAV 1F-1C (1L-CTR) IS FAILING SMOKE DETECTOR TEST DURING ALL TEST. SUPPLEMENTAL DATA UPDATE INSTALLED NEW DETECTOR. DETECTOR NOW OPS CHECKS GOOD

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