What was found
CSCP WON'T TURN OFF LIGHTS AT ROWS 1,2,3, 8,9 & ENTRY DOORS. CSCP DIM FUNCTION INOPERATIVE CB'S ON P320 PANEL PULLED G2, H4, H10, L2, L2 LIGHTS IN ZONE 1 INOP DF RAISED IAW MEL 3321A ()STANDBY ETOPS LIGHT MX TEST CARRIED OUT, CONFIRMED 75 PER OPS. PA OPS OK, EMERGENCY LIGHTS OPS OK, VISUAL CALL LIGHTS OK, CB'S PULLED P320 PANEL G2,H4,H10,L2,L6. REPLACED ZMU 1. ALL LIGHTS NOW CHECK OK, AND DOOR 2L CSCP CHECKS OK. DOOR 1L CSCP STILL INOP. ALL C.B.'S FOR LIGHTS PULLED ON P320 RESET. REPLACED ZMU1 DUE TO RESPONSE PROBLEM. BOTH CACPS OPS CHECK GOOD.