As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: FA REPORTED EMERGENCY LIGHTS AT 1 AND 2 DOOR WERE FLASHING FOR ASHORT PERIOD OF TIME RIGHT AFTER BECOMING AIRBORNE. DURING EMER LIGHT TEST 14WL AND 15WL FAULTED. REMOVED AND REPLACED 15WL EPSU (AALA202411147285) BATTERY (AALA202411141539).