What was found
NO OUTPUT READ FROM UNIT BY TEST EQUIPMENT. CLEANED REAR CONNECTOR AND UNIT FIRED UP. REPLACED WEAK V301 PHOTO DETECTOR. ALSO REPLACED INTERMITTENT FRONT SWITCH BOARD ASSEMBLY. CLEANED SWITCH BOARD AND AJUSTED PULSE. BENCH CHECK GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
NO OUTPUT READ FROM UNIT BY TEST EQUIPMENT. CLEANED REAR CONNECTOR AND UNIT FIRED UP. REPLACED WEAK V301 PHOTO DETECTOR. ALSO REPLACED INTERMITTENT FRONT SWITCH BOARD ASSEMBLY. CLEANED SWITCH BOARD AND AJUSTED PULSE. BENCH CHECK GOOD.