As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LAMPS IN LEFT OVERWING EXIT HATCH WINDOW LIGHT ASSEMBLY DO NOT ILLUMINATE.<[01] LIGHT ASSEMBLY INOP DUE TO BAD BATTERY CHARGER M1668. BATTERY PACK REPLACED AND ASSOCIATED INOP LIGHTS TESTED ON CID: TTG8Q00PAKM6.;[02] CORRECTION TO CORRECTIVE ACTION 1:<BR>BATTERY CHARGER; NOT BATTERY PACK; REPLACED AND TESTED ON CID: TTG8Q00PAKM6;[03] VERIFIED.<BR>VERIFIED MEASUREMENTS.