What was found
ETOPS SIGNIFICANT SYSTEM - RT ENG EEC MODE AMBER EICAS MSG CAME ON NEAR TOP OF CLIMB. SUCCESSFUL RESET FOLLOWING QRH PROCEDURE. T/S PER FIM 73-21-00, FOUND P5 LINE FAULT CHA/B ON PIMU. INSPECTED PHEUMATIC LINES P5 AND P2, NO DISCREPANCIES FOUND. CLEARED PIMU, ERASED BITE. REMOVED AND REPLACED NR 2 EEC DUE TO INTERMITTANT HISTORY PER AMM 73-21-04. PIMU BITE CKS GOOD, EEC CKS GOOD, NO MESSAGES.