As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX - ON CLIMBOUT, NR 1 FUEL TEMPERATURE INDICATION ON ENGINE DISPLAY FLUCTUATED RAPIDLY FULL SCALE. ACCOMPLISHED ABNORMAL FUEL TEMPERATURE E/A CHECKLIST. MAINTENANCE INSPECTED AND WIGGLED FUEL TEMPERATURE BULB HARNESS FROM TEMPERATURE BULB TO FIREWALL CONNECTOR. NO DISCREPANCIES NOTED. REPLACED NR 1 FUEL TEMPERATURE BULB AS A PRECAUTIONARY MEASURE. AIRCRAFT RETURNED TO SERVICE.