What was found
L2 DOOR, EMERGENCY EXIT LIGHT SIGN DOES NOT ILLUMINATE. M1672 BATTERY PACK REMOVED AND DISCONNECTED FROM D10744. AFT GALLEY CEILING LIGHT ASSEMBLY(M01678) REMOVED AND DISCONNECTED FROM D11460. D40100P AND J DISCONNECTED. D40044 P & J DISCONNECTED. TROUBLESHOOTING. ALL ASSOCIATED BREAKERS. L2 DOOR EMERGENCY LIGHT KEPT POPPING FUSES OFF OF PIN 9 ON POWER SUPPLY TRIED NEW POWER SUPPLY, NEW BATTERY, & REPLACED ALL BULBS IN LIGHT. NO HELP. RESTORED BACK TO ORIGNAL. FUSE WOULD NOT POP WHEN CONNECTOR D40100 P/J WAS DISCONNECTED & GIVING A STEADY 6.3 VDC ON PIN 3 OF THE P SIDE. FOUND THAT WHEN PIN 4 OF D40100P WAS OUT AND ALL OTHER PINS WERE INSTALLED FUSE WOULD NOT BLOW. FOUND BROKE SPLICE AT ROW 34, SEAT TRACK. INSTALLED NEW SPLICE IAW SWPM 20-90-14 OPS CHK GOOD IAW 33-51-00-710-801.