SDR CA110712005

Service difficulty report · Governor · Piper PA31350

Difficulty date: July 11, 2011
Submitted: September 9, 2011
Operation: Air carrier
Make and model: Piper PA31350
Aircraft time: 10,802 hours
Engine: Lyc LTIO540J2BD
Propeller: Hartzl HCE3YR2A
System (JASC): 6120 · Propeller Controlling System
Part: Governor
Part number: F848L
Condition: Leaking
Location: Propeller
Stage of operation: TO
How discovered: O
Nature of condition: J
Precautionary procedure: O

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

What was found

PILOT COMPLAINED OF RT ENGINE RPM LAGGING DURING POWER UP FOR TAKEOFF, (APPROX 300-500 RPM). RIGHT PROP GOVERNOR REMOVED AND INSPECTED BY REPAIR FACILITY. FINDINGS NOTED INTERNAL LEAKAGE IN GOVERNOR HIGHER THAN ALLOWABLE. PROP GOVERNOR REPAIRED, TEST FLIGHT COMPLETED, NO FURTHER PROBLEMS NOTED.

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