What was found
(CAN) UPPER MAIN ROTOR TRANSMISSION O-RING LEAKING. AS TRANSMISSION WARMED TO OPERATING TEMPERATURE THE NEW PAINT MELTED AND UNSEATED O-RING.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) UPPER MAIN ROTOR TRANSMISSION O-RING LEAKING. AS TRANSMISSION WARMED TO OPERATING TEMPERATURE THE NEW PAINT MELTED AND UNSEATED O-RING.