What was found
PER FLIGHT CREW, AFTER TAKE OFF BEFORE 10,000 FT, CABIN WORK LIGHTS AT ALL 3 FLIGHT ATTENDANT STATIONS FLICKERING & FLASHING WITH SWITCH OFF. ALL OVERHEAD LIGHTS THROUGHOUT CABIN FLICKERING WITH SWITCH OFF. F/A STATED OVERHEAD LIGHTS WERE A ORANGE COLOR. FWD GALLEY OVEN 205 LIGHT FLASHING. FLIGHT CREW HAD NO CONTROL OF LIGHTS IN CABIN. PERFORMED MEGOHM METER WIRING CHK FROM P37 PANEL RELAY K10570 (PIN X2) TO RELAY K10567 (PIN 12) IN THE P71 PANEL WIRING CHKD GOOD . CHECKED PIN 11 FOR GROUND. WIRING CHK GOOD. RELAY K10570 PANEL P37. PIN X2 WIRING CHK GOOD. RELAY PANEL WIRING CHK GOOD. WILL REQUIRE FURTHER TROUBLESHOOTING . PERFORM WIRING CHECKS AS WELL AS DVI OF CONNECTORS ON P34 PANEL. REF WDM 33-22-11-3.1 & 33-51-11-3.1 CHECKED FROM RELAY K10570 TO D40718P AND FROM D40718P TO RELAY K10574 SHORT TO GRND AND CONTINUITY WHILE SHAKING HARNESS ALL CHK GOOD. ONCE D40718P CONNECTOR WAS SECURED RECEIVED 2K OHMS. FOUND 1 OHM SHORT TO GND FOLLOWING WIRING CHKD & REPAIRED. VERIFIED ALL GALLEY, OVERHEAD LIGHTING, & WORK LIGHTING AT ATTENDANT STATIONS ARE OPS IN ALL SWITCH CONFIGURATIONS. NO NOTICABLE FLICKERING. SYSTEM IS NORMAL. REF AMM 33-21-00, 33-27-00.