As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHTS INOP AT LOCATIONS EXTERIOR AT RH AFT OVERWING EXIT DOOR AND AFT OF RT WING. INTERIORS AT SIGN AFT OF RH AFT OVERWING DOOR AND RH OVERHEAD CEILING RH AFT CABIN. REMOVED AND REPLACED BATTERY PACK AT LOCATION AFT OF AFT RH OVERWING EXIT PER AMM 33-51-06.