As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHTS DO NOT ILLUMINATE WHEN PLACED IN THE ON POSITION. THE EMER LIGHTS DO ILLUMINATE WHEN PLACED IN THE ARMED POSITION. AS PER THE MAINTENANCE CONTROLLER WE TRIED 2 CYCLES OF BATTERY CHARGING PER THE TEXTRON MAINTENANCE LETTER WITH NO SUCCESS. REMOVED & REPLACED WITH REPAIRED BATTERY. OPS CKD GOOD. ALL IAW AMM 33-50-05.