What was found
RT ENG DEGRADED-ALL ASSOCIATED INSTRUMENTS SHOWED SIGNAFICANT DROPS (N1, ITT, N2, FF, ECT) REPEATED - NOTICABLE YAW EVERY DEGRADED MSG (ENROUTE ACFT DIVERTED DUE TO MX -- EMERGENCY DECLARED AS A PRECAUTION) R & R RT FADEC IAW AMM 73-21-01. OPS CHECKED GOOD. OK FOR SERVICE. REF IPC 73-21-01, FIG 1, ITEM 10R.