# SDR HNAA2014091900265

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 19, 2014
- Submitted: September 19, 2014
- Operation: Air carrier
- Aircraft: N809EX
- Make and model: Dhav DHC8102
- Aircraft serial: 302
- Aircraft time: 55,415 hours, 61,905 cycles
- System (JASC): [4900 · Airborne Auxiliary Power Unit (APU) System](https://openairdocs.org/jasc/4900)
- Part: Apu
- Condition: Smoke
- Stage of operation: TX
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HNAA2014091900265

## Discrepancy

WHILE APU IS RUNNING WITH BLEEDS OFF,   NOTICED WHITE SMOKE COMING FROM VENT, FROM UNDER APU EXHAUST.  AUXILIARY POWER UNIT COMPLIED WITH MAINTENANCE PROCEDURES.

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