# SDR QXEA2019042200181

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 22, 2019
- Submitted: April 22, 2019
- Operation: Air carrier
- Aircraft: N453QX
- Make and model: Bombdr DHC8402
- Aircraft serial: 4489
- Aircraft time: 9,633 hours, 10,252 cycles
- System (JASC): [6122 · Propeller Governor](https://openairdocs.org/jasc/6122)
- Part: Governor
- Part number: 697072004
- Part serial: DAP0343
- Condition: Inoperative
- Location: Overspeed
- Part time: 115,158 hours, 116,229 cycles
- Stage of operation: CL
- 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/QXEA2019042200181

## Discrepancy

#1 ENG TORQUE OBSERVED @ 93% ON TAKE OFF FOLLOWED BY NR  1 PROP RPM OF 990 TO ACCELERATION HEIGHT TO CLIMB POWER. 900 RPM OBSERVED BOTH PROPS. REMOVED FROM SERVICE. REPLACED #1 OSG & PROP FEATHERING PUMP & PERFORMED POWER ASSURANCE CHECK. ALL OPS CHECKS WERE GOOD. AIRCRAFT RETURNED TO SERVICE.

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