# SDR N6WA2026013002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 29, 2026
- Submitted: January 30, 2026
- Operation: Air carrier
- Aircraft: [N504GJ](https://openairdocs.org/aircraft/N504GJ), registered now
- Make and model: Cndair CL6002C11
- Aircraft serial: 10022
- Aircraft time: 48,598 hours, 38,930 cycles
- System (JASC): [2610 · Detection System](https://openairdocs.org/jasc/2610)
- Part: Smoke Detector
- Part number: PU90421R3
- Part serial: 09579
- Condition: Defective
- Location: Zone 900
- Stage of operation: AP
- How discovered: O
- Nature of condition: N
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/N6WA2026013002

## Discrepancy

AFT LAV SMOKE DET WARNING IN FLIGHT.    REMOVE AND REPLACED SMOKE DETECTOR ASSEMBLY IAW CRJ AMM 26-16-01. PERFORMED OPS CHECK IAW CRJ AMM 26-16-00. OPS CHECK GOOD.

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