# SDR HNAA9900026

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 14, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N988HA
- Make and model: Dhav DHC8201
- Aircraft serial: 426
- System (JASC): [2161 · Cabin Temperature Controller](https://openairdocs.org/jasc/2161)
- Part: Controller
- Part number: 754890
- Condition: Inoperative
- Location: Cabin
- Stage of operation: NR
- Nature of condition: B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HNAA9900026

## Discrepancy

LAVATORY SMOKE DETECTOR WENT OFF SEVERAL TIMES WITH APU BLEED ON, NOTICEABLE SMOKE.  REPLACED CABIN TEMPERATURE CONTROLLER.  AFTER RUNNING APU WITH BLEED ON, SHOWED NO EVIDENCE OF SMOKE.

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