# SDR HNAA2011091900293

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 15, 2011
- Submitted: September 19, 2011
- Operation: Air carrier
- Aircraft: [N930HA](https://openairdocs.org/aircraft/N930HA), registered now
- Make and model: Dhav DHC8102
- Aircraft serial: 126
- Aircraft time: 58,017 hours, 64,923 cycles
- System (JASC): [6120 · Propeller Controlling System](https://openairdocs.org/jasc/6120)
- Part: Ecu
- Part number: 7898428009
- Part serial: 081701
- Condition: Failed
- Location: Nr 1
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HNAA2011091900293

## Discrepancy

DURING SHUTDOWN WITH NR1 CONDITION LEVER IN START/FEATHER.  NR 1 ENGING TORQUE SURGED TO 90 PERCENT AND PROPELLER RPM STAYED AT 600 FOR 7 SECONDS.  ALL OTHER PARAMETERS NORMAL.  R & R ECU.  PERFORMED RUN UP OPS CHECK IAW MX RUN UP MANUAL FOR COMPONENT CHANGED.  OPS CHECKED GOOD FOR SERVICE.

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