What was found
REFERENCE TASK CARD 78273000: #2 ENGINE EEC CHANNEL A DOES NOT RESPOND TO BITE. GROUNDED - YES. #2 ENGINE EEC CHANNEL B SHOWS SHORT TERM FAULT 73-21282 "EEC CHANNEL IS NOT ENERGIZED WITH THE ALTERNATOR VOLTAGE", WHICH PER B737-800 FIM 73-27 TASK 805 IS A FAULT FOR EEC CHANNEL A INTERNAL POWER SUPPLY. RMVD & RPLCD #2 ENG EEC REF B737-800 AMM 73-21-60-000-801-F00 & AMM 73-21-60-400-801-F00, OPS NRML. ALSO PERF'D EEC BITE RECENT FAULTS TEST REF AMM 73-21-00-740-803-F00 AND #2 ENG IDLE RUN REF AMM 71-00-00-800-808-F00 - NO FAULTS OR DEFECTS NOTED. ETOPS SIGNIF SYSTEM - GROUND VERIFICATION SUCCESSFUL.