What was found
NR 2 ENGINE EEC BITE SHOWS FAULT 77-30842 "THE TOP RT EGT SIGNAL, T495S1, IS OUT OF RANGE" LOGGED FOR ALL 10 LEGS IN EEC MEMORY. FAULT CODE 77-30842 IS A "LONG TERM" FAULT. ACFT GROUNDED. ACCOMPLISHED T/S FOR FAULT CODE 77-30842 IAW FIM 77-21 TASK 801. PERFORMED EGT CONN. CLEANING IAW MM 77-21-00-140-801 WITH ALL CONNECTORS IN TABLE 2 CLEANED. EGT READINGS BEFORE CLEANING: S1-128.88, S2-40.40, S3-37.32, S4-81.90. EGT READING AFTER CLEANING: S1-38.11, S2-18.72, S3-20.44, S4-33.59. EGT READINGS NOW WITHIN LIMITS IAW MM 77-21-00-140-801 AND FIM 77-21, TASK 801. PERFORMED EEC TEST IAW MM 73-21-00-700-804-F00 WITH NO FAULTS NOTED.