# SDR CA091016001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 16, 2009
- Submitted: December 1, 2009
- Operation: General aviation
- Make and model: Dhav DHC8301
- Engine: Pwa PW123
- Propeller: Hamstd 14SF23
- System (JASC): [6120 · Propeller Controlling System](https://openairdocs.org/jasc/6120)
- Part: Pcu
- Part number: 782490A47
- Condition: Malfunctioned
- Location: Nr 1 Engine
- Stage of operation: AP
- How discovered: O
- Nature of condition: R, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA091016001

## Discrepancy

(CAN) "ENGINE NR 1 PROP AND ITT DROPPED ON FINAL APPROACH TORQUE LOGGED ON 40% PROP (RPM) 910, ITT - 350 DEG TO 400 DEG. REMOVED AND REPLACED PCU AND PERFORMED FUNCTIONAL AND OPERATIONAL TEST, FOUND SATISFACTORY IN ACCORDANCE WITH CMM 71-00-02 AND AMM 71-00-00. (TC# 20091016001)

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