What was found
FLIGHT READINESS CHECK (REVISED BY EC0500-01360E) PROCEDURE, FOUND FOUR RED EMERGENCY EXIT LIGHTS AT SEATS 15C, 20C, AND 21C WILL NOT ILUMINATE. AT SEAT 15C, FOUND RED-WHITE EEPL HARNESS INTERMITTENLY SHORTING IAW CMM 25-21-68, WDM FIGURE 2011, SHEET 2, PAGE 2016. WHEN SHAKING HARNESS OR SITTING DOWN IN SEAT, LIGHTS AT ROW 15, 20 AND 21 INTERMITTENLY TURNING ON AND OFF. WIRING CHECKS OF HARNESS CONFIRM SHORT. WHILE TEARING DOWN HARNESS TO SEE IF SPLICE REPAIR IS POSSIBLE, FOUND FURTHER DAMAGE NEAR THE END OF WIRE RUN TO THE RED LIGHT. EG SUGGEST REPLACEMENT OF HARNESS ASSY OR BUILD UP WITH NEW WIRE. REF ECRA 2521-03695, PERFORMED BUILD UP AND INSTALLATION OF ROW 15ABC EPL HARNESS DESCRIBED IN CMM 25-21-68 FIGURE 18 ITEM 440, AND PN 08702-2416 DRAWING SUPPLIED BY EG. REF SWPM 20-42-01 AND 20-10-14. OPS TEST PASSES REF MM 33-51-11.