As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHT AT POS SEAT 21CBA, 14CBA, AND 15CBA INOP (REF AA R NR 99919771) PERFORMED FAULT ISOLATION OF EMERGENCY LIGHTS AT SEATS 21CBA, 14 CBA, AND 15CBA IAW B737 FIM 33-50-801 AND BATTERY PACK M1694 REP LACED AND TESTED IAW B737 AMM 33-51-06-960-805 AND AMM 33-51-00- 720-801 OPS CHECK GOOD