What was found
WHILE PERFORMING T/C 78273000 ON ENG NR 1 FOUND FAULT CODES 73 20341 "FMV POS SIGNAL OUT OF RANGE" 73 10351 "FMV POS SIGNALS DISAGREE" 73 20351 "FMV POS SIGNALS DISAGREE". LOGGED FOR LEGS 0 1 2 3 5 6 7 9 10. SHORT TERM FAULT. ACCOMPLISHED NR 1 ENGINE EEC TEST AND ACTUATORS TEST. BOTH TESTS PASS. PER TECH SERVICES DUE TO HISTORY REPLACE NR 1 HMU. REMOVED & REPLACED NR 1 ENG HMU REF MM 73 11 01 400 801 FOO STEPS G (1) (16) J. COMPLETED HMU INSTALLATION. LEAK & OPS CHECKS GOOD PER M/M 71 00 00 800 811. NO FAULTS NOTED.