What was found
EMERGENCY LIGHT SWITCH AT THE AFT F/A PANEL DOES NOT WORK WHEN EMERGENCY SWITCH IN THE FLIGHT DECK IS IN THE ARM MODE. REMOVED CONN D1650 AT AFT F/A PANEL, (WITH FL DK SW IN ARM) FOUND PINS 24 AND 25 HAVE NO CONTINUITY WHEN EMER LIGHT SW ACTIVATED. FOUND "EMERGENCY LIGHTS. OFF-WING ESCAPE LT" CB ON P11-6 TRIPS WHENEVER AFT F/A EMERGENCY LIGHT SWITCH ON WITH FLT DECK EMERGENCY LIGHT SWITCH TO ARM POS. REPLACED "AFT ATTEND. EMERGENCY LIGHT SWITCH" AT P22 -- STILL NO HELP. FOUND SHORT BETWEEN PIN 12 CONN, D5086J AND PIN 30 CONNECTOR D5154J AT P25 IAW WDM. POSSIBLE MISWIRING AT TB162. :COA 661101 WRITTEN 13DEC07 & ACP BY GSO. FOUND WIRE W1064-043-22 CONNECTED TO YA12 ON TB162 INSTEAD OF Z10 ON TB162, RECONNECTED IAW WDM, OPS CK OK.