# SDR HNAA2016102400329

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 24, 2016
- Submitted: October 24, 2016
- Operation: Air carrier
- Aircraft: N812EX
- Make and model: Dhav DHC8102
- Aircraft serial: 312
- Aircraft time: 58,936 hours, 65,829 cycles
- System (JASC): [3060 · Propeller/Rotor Anti-Ice/De-Ice System](https://openairdocs.org/jasc/3060)
- Part: Brush Block
- Part number: 7826895
- Condition: Damaged
- Location: Propeller Heat
- Stage of operation: CR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HNAA2016102400329

## Discrepancy

EMERGENCY LIGHTS FLICKERED WHEN PROP HEAT SELECTOR ON EITHER TIMER.   INSPECTED NR 1 AND 2 BRUSH BLOCKS, WIRING AND SLIP RINGS.  CLEANED BOTH SLIP RINGS. NO FAULTS NOTED.   REMOVED AND REPLACED THE NR 1 BRUSH BLOCK IAW MM 61-10-11. OPS CHECKED GOOD. OKAY FOR SERVICE.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.