# SDR QXEA200702036

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 27, 2007
- Submitted: December 28, 2007
- Operation: Air carrier
- Aircraft: N407QX
- Make and model: Bombdr DHC8402
- Aircraft serial: 4049
- Aircraft time: 16,534 hours, 16,680 cycles
- System (JASC): [6120 · Propeller Controlling System](https://openairdocs.org/jasc/6120)
- Part: Csd
- Condition: Faulted
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QXEA200702036

## Discrepancy

PDX - FLIGHT 2462, DURING TAXI AND OVERSPEED GOVERNOR TEST, A WHITE MESSAGE AND YELLOW "ABORT" LETTERS APPEARED ON THE DISPLAY FOR NR 1 ENGINE.  THIS WAS FOLLOWED BY A POWERPLANT MESSAGE.  RETURNED TO THE GATE.  MAINTENANCE CHECKED THE CDS SYSTEM AND FOUND A CODE 496.  COMPLIED WITH THE OVERSPEED GOVERNOR TEST IAW TAKE 61-20-00-701-03.  POWERPLANT MESSAGE WENT AWAY AND NO OTHER DEFECTS NOTED.  AIRCRAFT RETURNED TO SERVICE.  NO PARTS REPLACED.

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