As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TRANSFORMER RECTIFIER NOT SUPPLYING POWER TO EMS EQUIP. CONTACTS B2 AND B3 SHOULD HAVE CONTINUITY WITH RELAY AT REST TO ALLOW EMS TRANSFORMER RECTIFIER TO SUPPLY POWER TO EMS SYSTEMS. THIS RELAY DOES NOT. REMOVED AND REPLACED WITH SERVICEABLE RELAY.