As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHTS ON OVERHEAD BIN BULLNOSE BETWEEN SEATS 15 ABC AND 20 ABC AND LIGHT AFT OF LT AFT OVERWING EXIT DOOR FAILED BATTERY PACK CAPACITY FUNCTIONAL TEST. R & R POWER SUPPLY M1670, BATTERY PACK IAW AMM 33-51-06. OPS CHECKS GOOD.