What was found
(CAN) ON START-UP, ENGINEER NOTICED THAT TAIL ROTOR WAS NOT ACCELLERATING LIKE THE M/R. SECOND DRIVESHAFT AHEAD OF THE 42 DEGREES GEARBOX HAD SHEARED AT ABOUT MID-SPAN.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) ON START-UP, ENGINEER NOTICED THAT TAIL ROTOR WAS NOT ACCELLERATING LIKE THE M/R. SECOND DRIVESHAFT AHEAD OF THE 42 DEGREES GEARBOX HAD SHEARED AT ABOUT MID-SPAN.