What was found
(CAN)AFTER START UP THE PILOT OBSERVED NO TACH INDICATION AND THE ENGINE WAS SHUTDOWN. INVESTIGATION FOUND THE TACH HEAD WAS SEIZED INTERNALLY. A NEW MECHANISM WAS INSTALLED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN)AFTER START UP THE PILOT OBSERVED NO TACH INDICATION AND THE ENGINE WAS SHUTDOWN. INVESTIGATION FOUND THE TACH HEAD WAS SEIZED INTERNALLY. A NEW MECHANISM WAS INSTALLED.