As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURNG PERFORMANCE OF A REQUIRED AND SCHEDULED SERVICE CHECK CONDUCTED ON 7-16-97, NOTED THE FORWARD EMERGENCY LIGHTS DID NOT TEST AS PRESCRIBED IN THE SERVICE CHECK PROCEDURES. THE DISCREPANCY WAS TROUBLESHOT, AND IT WAS DETERMINED THE BATTERY POWER SUPPLY WAS AT FAULT. THE BATTERY PACK WAS REMOVED AND REPLACED AND THE SYSTEM WAS TESTED IAW THE PROCEDURES STATED IN THE MM. THE AIRCRAFT WAS THEN RETURNED TO SERVICE. (X)