What was found
EMERG EXIT LIGHT CENTER AISLE OVERWING WON'T LIGHT WITH OTHER EXIT LIGHTS. REMOVED AND REPLACED BATTERY PWR SUPPLY UNIT, OPS CKD NORMAL. STC NR SA3432NM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
EMERG EXIT LIGHT CENTER AISLE OVERWING WON'T LIGHT WITH OTHER EXIT LIGHTS. REMOVED AND REPLACED BATTERY PWR SUPPLY UNIT, OPS CKD NORMAL. STC NR SA3432NM.