What was found
POST FLIGHT LINE MAINTENANCE REPORTED, BATTERY POWERED EMERGENCY LIGHTS INOPERATIVE. INITIATED DEFERRAL MAINTENANCE ITEM 44676 OF THE INTERIOR EMERGENCY LIGHTING SYSTEM IAW B767 200/300 MINIMUM EQUIPMENT LIST 33-51-01-01. FAULT ISOLATED TO EMERGENCY CEILING LIGHT NEXT TO URINAL GOES OUT AFTER 15-20 SECONDS OF OPERATION. ALL OTHER EMERGENCY LIGHTS CHECK GOOD. IAW B767 AMM 33-51-07 COMPLIED WITH BATTERY CAPACITY TEST AND SUBSEQUENTLY ALL EMERGENCY LIGHTS CHECK SATISFACTORY. DEFERRAL MAINTENANCE ITEM 44676 CLEARED.