As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY SWITCH ON POSITION NO EMERG EXIT SIGN/ LIGHT. REMOVED AND REPLACED EMER BATTERY, P.ERFORMED CONTINUITY CHECKS ALONG WITH CHARGING OF THE EMER BATTERY FOR TWO HOURS. OPERATIONAL CHECKS GOOD, RETURNED AIRCRAFT TO ORIGINAL CONFIGURATION. NO FURTHER MAINTENANCE REQUIRED AT THIS TIME, ALL WORK DONE IAW CE-680 MM 33-50-10.