As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHEN ARRIVING THE PILOT REPORTED THAT ENG 2 HAD ABNORMAL EGT INDICATION AROUND 220°C DIFFERENCE. DUE THAT REASON THE ACFT WAS HELD ON GND FOR MX. PERFORMED A FAULT ANALYSIS IAW TSM 77-20-00-810-802-B FINDING THAT THE THERMOCOUPLES OF POSITIONS B & C OF ENG 2 HAD LOOSEN STUDS. R & R SUCH THERMOCOUPLES IAW AMM 77-21-15 PB401, PERFORMED THE CORRESPONDING TESTS WITH NORMAL RESULTS. THE ACFT WAS RETURNED TO SERVICE.