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 16 DEF AND 20 DEF AND LIGHT AFT OF RT AFT OVERWING EXIT DOOR FAILED BATTERY PACK CAPACITY FUNCTIONAL TEST. R & R POWER SUPPLY M1671 BATTERY PACK IAW AMM 33-51-06. OPS CHECKS GOOD.