As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GENERATOR WILL NOT COME ON LINE; BUSS TIE LIGHT NOT ILLUMINATED. Q7 SHORTED 3 OTHER UNITS FROM SAME SHIP HAVE SAME CONDITION. CHECKED WIRING ASSOCIATED WITH CAUTION LIGHT CIRCUIT AND BUSS TIE CIRCUITS FOR HELICOPTERS. TESTED & TROUBLESHOT AND REPLACED Q7. CALIBRATED AND BENCH TESTED IAW LEAR SIEGLER MANUAL.