As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: RED, SEAT MOUNTED EMERGENCY LIGHTS ON ROW 9 AND 11 INOPERATIVE. REPLACED EMERGENCY POWER SUPPLY UNIT (AALA202204279148) AND BATTERY (AALA202204270114) PER AMM 33-51-38. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED.