As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT LT AND RT EXTERIOR FUSELAGE EMERGENCY LIGHTS WERE INOPERATIVE, AND THE CEILING EMERGENCY LIGHTS AFT OF THE EMERGENCY EXITS INOPERATIVE. INSTALLED A NEW NR 4 BATTERY AND POWER SUPPLY, OPS CHECKED GOOD ALL LIGHTS WORKING IAW AMM 33-51-17.