What was found
GEAR SELECTED DOWN & NO GREEN GEAR INDICATIONS APPEARED. ANNUNCIATOR TEST BUTTON PUSHED TO CONFIRM RED & GREEN GEAR BULBS WERE OPERATIONAL. RECYCLED GEAR UP & DOWN WITH SAME RESULT. DISCOVERED CIRCUIT BREAKERS J4 AND K2 HAD POPPED. CONTINUED WITH EMERGENCY PROCEDURE CHECKLIST FOR LANDING GEAR; THREE GREENS NOT INDICATED FOR LOWERING GEAR VIA AUX HYD SYSTEM. FOUND TERMINALS 1 AND 2 ON RT STANDBY GEAR INDICATOR CRT LOOSE AND TOUCHING GROUND. REPOSITIONED AND RETORQUED IAW DWG 25-8NAS-116B. ALSO FOUND DIODE BETWEEN KB4 AND KB5 WAS BETWEEN KB5 AND KB6. REPOSITIONED AND RETORQUED IAW DWG 149-B49543. JACKED AND COMPLIED WITH GEAR RETRACTION. IAW AMM 32-30-01. ALL CHECKED GOOD.