As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LOW POWER AND WIDE PULSE WIDTH. PERFORMED PRELIMINARY INSPECTION AND FOUND F401 FUSE BLOWN AND Q415 BAD. REPLACED F401 FUSE AND Q415 TRANSISTOR. FOUND UNIT WILL NOT RECEIVE. REPLACED V101 CAVITY TUBE AND V301 PHOTOCELL. REPAIRED. BENCH CHECK GOOD.