Service difficulty report · Locking Pins · Piper PA31

Difficulty date
December 20, 1997
Submitted
March 26, 2000
Operation
Air carrier
Make and model
Piper PA31
Engine
Lyc TIO540A2C
Propeller
Hartzl HCE3YR2A
Part
Locking Pins
Part number
57A0285
Condition
Missing
Location
Prop
Part time
494 hours
Component
Hartzl · FC84686R
Stage of operation
IN
Nature of condition
O
Precautionary procedure
K

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

What was found

(CAN) DURING INSPECTION PRIOR TO DECONTAMINATION, FOUND THE COUNTERWEIGHT LOCKING ROLL PINS WERE MISSING ON ALL THREE BLADES (6 BOLTS). ALSO, THE COUNTERWEIGHT BOLTS WERE NOT DRILLED FOR THE 57A0285 ROLL PINS.

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