As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MIA - RETURN FROM FLIGHT - NR 2 ENGINE EGT READS 200 DEGREES CELSIUS LOWER THAN NR 1 AND NR 3 ENGINES AT 23,000 IN FLIGHT. REMOVED 'J' BOX ON NR 2 ENGINE AND CLEANED CONNECTORS. REMOVED AND REPLACED NR 2 ENGINE EGT INDICATOR IAW 77-20. (M)