As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE LIFTING OFF FOR TAKE OFF, THE TRANSMISSION TEMPERATURE GAUGE FLUCTUATED FROM 0 TO MAX AND REMAINED AT MAX AFTER THROTTLE REDUCED TO IDLE. MAINTENANCE FOUND SHAFTED WIRE NUMBER E629A22 INSIDE CONNECTOR AT TRANSMISSION TEMPERATURE BULB. REPAIRED WIRE AND GROUND OPS CHECKED GOOD.