What was found
UAM - IND LIGHTS PILOT AND FLIGHT ENGINEER C/B POPPED DURING FLT. INITIAL UNSAFE GEAR IND NO LIGHTS FOR GEAR DOWN, DOOR OPEN, OR GEAR. RESET C/B AND REPLACED 15 LIGHT BULBS. C/B POPPED AND RESET AGAIN AND AGAIN. REPLACED 4 BULBS, GEAR DOWN IND 9 GREEN LIGHTS, GEAR RECYCLED 3 TIMES WITH 2 TOWER FLY-BYS TO CONFIRM POS GEAR DOWN IND. ENTER UAM, DURING T/S FOUND MASTER DIM TEST ELECTRONIC BOX WITH 5 DAMAGED CIRCUIT CARDS, REPLACED MASTER DIM TEST ELECTRONIC BOX AND IND LIGHTS, PILOT AND FE C/B, GROUND TEST GOOD PER MM 33-11-01, ALSO SIMULATED LANDING MODE, EXT FLAPS/SLATS ALL SYS NORMAL, C/N DUP REQUIRES FURTHER EVALUATION BY FLT CREW.