SDR CA960429007

Service difficulty report · Prop Control · Piper PA31

Difficulty date: April 22, 1996
Submitted: March 26, 2000
Operation: Air carrier
Make and model: Piper PA31
Engine: Lyc TIO540A2C
Propeller: Hartzl HCE3YR2A
System (JASC): 6120 · Propeller Controlling System
Part: Prop Control
Part number: 454255
Condition: Broken Strands
Location: Cable
Stage of operation: IN
Nature of condition: R
Precautionary procedure: K

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

What was found

(CAN)THE PROPELLER CONTROL WOULD NOT GO ALL THE WAY TO FINE PITCH, DOWN 300 RPM AT FULL THROTTLE AND CONTROL FELT STIFF. REMOVAL AND DISASSEMBLY REVEALED A BROKEN STRAND WHICH, WHEN THE CONTROL WAS OPERATE D, EXPANDED IN THE CASING AND JAMMED.

More about the Piper PA-31