What was found
MAIN ROTOR TRANSMISSION OIL TEMP/PRESSURE LIGHT ILLUMINATED IN-FLIGHT. INVESTIGATION FOUND THE SWITCH WOULD OPEN AT A LOWER TEMPERATURE THAN NORMAL. INSTALLED NEW SWITCH, OPERATIONAL CHECK NORMAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
MAIN ROTOR TRANSMISSION OIL TEMP/PRESSURE LIGHT ILLUMINATED IN-FLIGHT. INVESTIGATION FOUND THE SWITCH WOULD OPEN AT A LOWER TEMPERATURE THAN NORMAL. INSTALLED NEW SWITCH, OPERATIONAL CHECK NORMAL.