As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX - RECEIVED A LEFT ENG DEGRADED CAUTION MESSAGE. REMOVED AND REPLACED JB 11, PCB 3 RELAYS K19 AND K21 REF 20-42-0-960-801-A02 OPERATIONAL CHECK GOOD REF 24-06-07-710-801-C01. NO DEFECTS NOTED STATUS AND CAUTION MESSAGES CLEARED. RETURNED TO SERVICE.