# SDR N6WA2021111101

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 9, 2021
- Submitted: November 11, 2021
- Operation: Air carrier
- Aircraft: [N542GJ](https://openairdocs.org/aircraft/N542GJ), registered now
- Make and model: Cndair CL600*
- Aircraft serial: 10255
- Aircraft time: 37,984 hours, 26,641 cycles
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Smoke Detector
- Part number: PU90421R3
- Part serial: 07721
- Condition: False Indication
- Location: Aft Lav
- Stage of operation: CL
- How discovered: V
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/N6WA2021111101

## Discrepancy

SMOKE IN AFT LAV , MASTER WARNING MSG. FOUND LAV SMOKE DETECTOT TO BE FAULTED REMOVED AND REPLACED SMOKE DETECTOR IAW CRJ 550 AMM 26-16-01 OPS CHECK GOOD

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