What was found
AIRCRAFT WAS GROUNDED: DURING A CHECK OF THE EMERGENCY LIGHTING SYSTEM MAINTENANCE NOTED AN EMERGENCY POWER SUPPLY UNIT INTERNAL LOAD FAULT MESSAGE FOR THE RIGHT-HAND EMERGENCY EXIT. MAINTENANCE RE-SEATED THE CONNECTOR PLUG FOR EMERGENCY POWER SUPPLY UNIT 12WL PER AMM 33-51-38. (AALA202407057436) MAINTENANCE ALSO REPLACED THE LAMP IN THE LEFT-HAND EMERGENCY EXIT MARKER 90WL3 PER AMM 33-51-13. (AALA202407055657) MAINTENANCE ALSO FOUND THE RIGHT-HAND EMERGENCY EXIT LIGHT DAMAGED AND REPLACED IT PER AMM 33-51-15. (AALA202407053507) A SATISFACTORY OPERATIONAL CHECK OF THE EMERGENCY LIGHTING SYSTEM WAS ACCOMPLISHED.