As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMER. LIGHTS NOT ILLUMINATION ON OVERHEAD BINS IN RH AFT SECTION ON CABIN AND AFT RH OVERWING EXIT. PLACED EMERGENCY AISLE LIGHTS AT ROWS 17,20,22 DEF ON MEL. MC NOTIFIED. REPLACED BATTERY PACK AND CHARGING ASSY. OVERWING EXIT LIGHTS OPS CHK GOOD. REMOVED AND REPLACED ROW 21DEF EMERGENCY EXIT LIGHT POWER SUPPLY. THIS CLEARS MEL. MC NOTIFIED.