# SDR HNAA2012020600555

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 4, 2012
- Submitted: February 6, 2012
- Operation: Air carrier
- Aircraft: N326EN
- Make and model: Dhav DHC8311
- Aircraft serial: 234
- Aircraft time: 39,760 hours, 44,155 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Detector
- Condition: Activated
- Location: Lavatory
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: H
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HNAA2012020600555

## Discrepancy

LAVATORY SMOKE DETECTOR ACTIVATED WITH APU BLEED ON.  NORMAL WITH OFF ENG BLEEDS.

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