Service difficulty report · Roll Pin · Swrngn SA227AC

Difficulty date
May 6, 1999
Submitted
April 14, 2000
Operation
Air carrier
Make and model
Swrngn SA227AC
Aircraft time
12,811 hours
Engine
Garrtt TPE33111U
Propeller
Mcauly 4HFR34C652
Part
Roll Pin
Part number
MILG26611B
Condition
Sheared
Location
Tach Generator
Component
Engine Rpm Indic
Stage of operation
DE
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

(CAN) ON APPROACH, THE RT ENGINE TACHOMETER BECAME ERRATIC THEN DROPPED TO ZERO RPM. MAINTENANCE FOUND THE TACH GENERATOR DRIVE SHAFT ROLL PIN SHEARED.