What was found
AFT COCKPIT DOME LIGHT FIXTURE BROKEN WITH BOTH MAIN & EMERGENCY LAMPS INOP. VERIFIED NO POWER ON DOME LIGHT MODULE ON BOTH WIRES W0200-0006 & W0200-0007. FLT DECK DOME LIGHTS CAN NOT BE DIMMED, SUSPECT BAD DOME LIGHTS DIMMER TRANSFORMER. DISCOVERED CB P34B G2COCKPIT DOME AC WAS TRIPPED, RESET TRIPPED BREAKER & ALL 3 DOME LIGHTS OPS PROPERLY. RELAMPED DOME LIGHT & OPS GOOD. AFT DOME FIXTURE LAMP POWER TEMINAL IS NOT ALIGNED IN FIXTURE & CAN CONTACT FRAME DURING LAMP CHANGE CAUSING SHORT, TRIPS BREAKERS & BLOWS LAMPS, REQUIRES REPLACEMENT. RETERMINATED GROUND TO M10549 REF WDM.33-51-12, 33-11-31 & TESTED IAW MM 33-51-00-5-0, 33-11-00-5-0, ALL OPS CHECKS GOOD.