As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ALL EMERGENCY LIGHTS FAILS TEST; DUE TO STORAGE OF THE AIRCRAFT ALL EMERGENCY LIGHTS FAILS TEST DUE TO STORAGE OF THE AIRCRAFT<[01] REMOVED AND REPLACED SERVICEABLE BATTERY PACKS M1668; M1669; M1670; M1672; M1673; M1674 AND M1675.;[02] VERIFIED CORRECTIVE ACTION 1 AND MEASUREMENT TABLE.