As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTS INTERMITTENT OPERATION. FOUND POWER OUT TO BE 100 WATTS BELOW SPECS. ADJUSTED POWER OUT TO SPECS. REPAIRED. ADJUSTED FREQUENCY AND PULSE WIDTH. REPLACED DETERIORATED RESISTOR R477. REPLACED PHOTOCELL V301 DUE TO WEAK REPLY LIGHT. BENCH CHECK GOOD.