What was found
NR 2 ENGINE HAS SEVERAL OPEN DEFERRALS FOR EGT INDICATION. ACFT GROUNDED. NO RECENT FAULT ON EEC BITE, MSG 77-10852 ONLY FAULT FOUND IN FLT HISTORY LAST OCCURED ON LEG 5 & 6. RAN ENGINE FOR 5 MINS S1-S4 370, 399, 436, 396. ALL PROBES CLEANED, S1 FAILED RESISTANCE CK, S2 LOOSE SOCKET TENSION ON CJ9 HARNESS, S3 CJ10 HARNESS INTERNAL DAMAGE. R & R T49.5 S1 PROBE REF AMM 77-21-01. R & R CJ9 & CJ10 CORE HARNESS REF AMM 73-21-03. ALL INSTALLATION TEST ACCOMPLISHED.