What was found
WHILE ACCOMPLISHING T/C 78273000 INTERROGATE THE FMC CDU FOR ENGINE FAULTS, FOUND ON ENG NR 1 FAULT 75-10421 THE HMU VBV CONTROL CURRENT IS OUT OF RANGE. SHORT TIME FAULT. GROUNDED - YES. ACCOMPLISHED FIM 75-32-804 WITH NO FAULTS FOUND. REQUIRES EEC REPLACEMENT. REPLACED THE EEC PER AMM 73-21-60/401. OP-CHECKS REMAIN. ACCOMPLISHED AMM 73-21-40. ACCOMPLISHED STEPS OF AMM 73-21-00-700-802-F00 FADEC SYSTEM TEST. ACCOMPLISHED AN ACTUATORS TEST PER AMM 73-21-00-700-802-F00. CHECKS GOOD, FAULT NO LONGER ACTIVE. THIS ALSO SATISFIES AMM 73-21-60/401. 4 C/B'S PULLED AND RESET.