As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: SEAT MOUNTED PROXIMITY EMERGENCY LIGHTING INOPERATIVE ON ROWS 26ABC TO 33ABC. REPLACED EMERGENCY POWER SUPPLY UNIT M1672 AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 33-51-06-960-806 WITH NO ISSUES NOTED.