SDR CA100115006

Service difficulty report · Motor · Pilats PC1247

Difficulty date: January 14, 2010
Submitted: March 1, 2010
Operation: General aviation
Make and model: Pilats PC1247
Engine: Pwa PT6A67
Propeller: Hartzl HCE4A3D
System (JASC): 3230 · Landing Gear Retraction/Extension System
Part: Motor
Condition: Malfunctioned
Location: Mlg
Stage of operation: AP
How discovered: O
Nature of condition: E
Precautionary procedure: A

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

What was found

(CAN) ON APPROACH, GEAR DOWN WAS SELECTED. GEAR DOWN NOTIFICATION WAS POSITIVE BUT THE LANDING GEAR HYD MOTOR CONTINUED TO RUN VERY LOUD FOR MORE THAN 30 SECONDS. OVERSHOOT WAS INITIATED AND GEAR WAS CYCLED WITH THE SAME RESULTS, THE CREW ELECTED TO RETURN TO DEPARTURE. ON APPROACH GEAR DOWN WAS SELECTED 3SM FINAL. HYD MOTOR CONTINUED TO RUN FOR 10 SECONDS VERY LOUDLY AND THEN STOPPED. ALL INDICATIONS OF SAFE GEAR SITUATION WERE ILLUMINATED.