What was found
IN FLIGHT, RECEIVED FADEC FAULTY ICAS MESSAGE AND EICAS COMPARITOR FAIL WITH YELLOW DASH LINES IN ITT. ABOUT 5 MINUTES LATER, FELT A LIGHT SHUTTER ASSOCIATED WITH THE ENGINE ROLLING BACK AND FAILED. AFTER ABOUT 30 SECONDS, ENGINE AUTO LIGHTED. NO ABNORMAL VIBRATIONS. CONTINUED AT A REDUCED POWER SETTING TO LANDING. REMOVED LT ENGINE OUTER WIRING HARNESS, AND INSTALLED NEW OUTER WIRING HARNESS IAW MM 73-20-03. REMOVED LT ENGINE EEC AND INSTALLED REPAIRED EEC IAW MM 73-20-02. OPS CHECKED GOOD AND ALL FAULTS CLEARED.