As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BOTH GENERATOR DRIVE ANNUNCIATOR LIGHTS ON OVERHEAD PANEL INOPERATIVE. WILL NOT COME ON WHEN PUSHED TO TEST OR WITH LIGHTS TEST SWITCH. ACFT GROUNDED. UNABLE TO DUPLICATE, VERIFIED 3 DIFFERENT SOURCES OF GROUND & 2 DIFFERENT POWER SOURCES FOR GENERATOR DRIVE LIGHT, REF WDM 33-18-33. DUE TO REPEAT WRITE UP, REPLACED P5-5 GEN DRIVE & STBY POWER PANEL REF MM 24-21-52 ALL INSTALLATION TEST PASSED.