As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 2 ENGINE EGT GAUGE ERRATIC. AIRCRAFT RETURNED TO MSP AFTER TAKEOFF DUE TO THE NR 2 ENGINE EGT FLUCTUATING -0- TO NORMAL. MAINTENANCE INSTALLED NR 2 ENGINE ECU-HMU HARNESS ASSEMBLY BY PIGGY BACKING IN SERVICEABLE HARNESS, OPS CHECKS GOOD. TEMPORARILY INSTALLED NR 2 ENGINE ECU/HMU HARNESS ASSY. PERMANENTLY INSTALL HARNESS P/N 2-303-912-02 AT NEXT MX CONVENIENCE OR NEXT NR 2 ENGINE CHANGE.