What was found
DURING 8-DAY CHECK FOUND LT OVERWING EMERGENCY POWER SUPPLY UNIT (EPSU) INOPERATIVE. MX REMOVED AND REPLACED BOTH THE LT & RT OVERWING EPSU'S IAW T/C R1C33303. OPERATIONAL CHECK OF EMERGENCY LIGHTING WAS GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING 8-DAY CHECK FOUND LT OVERWING EMERGENCY POWER SUPPLY UNIT (EPSU) INOPERATIVE. MX REMOVED AND REPLACED BOTH THE LT & RT OVERWING EPSU'S IAW T/C R1C33303. OPERATIONAL CHECK OF EMERGENCY LIGHTING WAS GOOD.