What was found
(CAN) THE PROP INDICATION WAS INTERMITTENT. MAINTENANCE FOUND THE DRIVE SHEARED OFF INSIDE THE TACHOMETER GENERATOR WHERE THE ROLL PIN SECURES THE DRIVE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) THE PROP INDICATION WAS INTERMITTENT. MAINTENANCE FOUND THE DRIVE SHEARED OFF INSIDE THE TACHOMETER GENERATOR WHERE THE ROLL PIN SECURES THE DRIVE.