As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BOTH EEC'S ALTN MODE AFTER ENGINE START. GROUNDED - YES. BOTH EEC'S TEST GOOD - NO FAULTS UPON ARRIVAL AT A/C - FOUND P5-68 POWER MANAGEMENT MODULE ENG. 1&2 SWITCHS IN THE ALTERNATE POSITION. SWITCHED BOTH TO NORMAL (ON)_ POSITION. REF. FIM 73-05 TASK 811, PERFOMRED REPAIR CONFIRMATION - TEST 13 - 5 MIN ENG RUN ON BOTH ENG'S, EEC BITE CHECKS, EEC SELF TESTS AND DEU'S GROUND SELF TESTS. ALL GOOD.