What was found
EMERGENCY LIGHTS WILL NOT TURN OFF WITH EMERGENCY LIGHT SWITCH OFF OR IN ARM WITH BATTERY SWITCHES ON. ALL INTERIOR EMERGENCY LIGHTS ARE ON. LEFT WING INSPECTION LIGHT ILLUMINATED. RIGHT OVER WING LIGHT ILLUMINATED. RIGHT WING INSPECTION OFF. COMPLETED QRH PROCEDURE AND LIGHTS DID NOT GO OUT. REMOVED AFT CLOSET WALL, RESET THE RH EMER POWER SUPPLY UNIT AND GOT THE EMER LIGHTS WORKING NORMALLY AGAIN, OPS CHECK GOOD, NO FURTHER DEFECTS NOTED. REINSTALLED AFT WALL. WORK REF AMM 33-50-03