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SDR CA120522003

Open the Markdown

Service difficulty report · Engine · Dhav DHC8301

FAA SDR system

Difficulty date
May 5, 2012
Submitted
September 14, 2015
Operation
General aviation
Make and model
Dhav DHC8301
Engine
Pwa PW127
System (JASC)
7200 · Engine (Turbine/Turboprop)
Part
Engine
Condition
Power Loss
Stage of operation
CR
How discovered
O
Nature of condition
R, J
Precautionary procedure
A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

(CAN) DURING FLIGHT AT FL250 IN LIGHT ICING CONDITIONS, THE ENGINE POWER DROPPED OFF FROM THE SELECTED 65 PERCENT TORQUE TO 17 PERCENT. THE ENGINE REMAINED IN AUTO MODE AND AS THE ACFT DESCENDED TO FL220, THE TORQUE INCREASED TO 26 PERCENT BUT NEVER INCREASED ABOVE THAT AFTERWARDS. AN UNEVENTFUL LANDING WAS ACCOMPLISHED. TROUBLESHOOTING IS ON-GOING.