What was found
MOD-16 (OPTO COUPLER) BEING INSTALLED BY MANUFACTURER. FOUND IT INCORRECTLY WIRED, CAUSING THE OVERTEMP PROTECTION CIRCUIT TO BECOME INOPERATIVE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
MOD-16 (OPTO COUPLER) BEING INSTALLED BY MANUFACTURER. FOUND IT INCORRECTLY WIRED, CAUSING THE OVERTEMP PROTECTION CIRCUIT TO BECOME INOPERATIVE.