What was found
DURING SERVICE CHECK, FOUND SEAT EMERGENCY LIGHTS INOPERATIVE AT ROWS 13, 14, 15, 18, 20 AND 24, 25, 26. ALSO CIDS FAULTED EPSU INTERNAL LOAD AFT LT DURING EMERGENCY LIGHT TEST. FOUND LIGHT ASSY 362WC2 SHORTED AT LEFT LAV. REPLACED ASSY & EPSU IAW MM 33-51-00. EMERGENCY LIGHT TEST PASS. CLOSED ALL PANELS. SYSTEM TEST OK.