As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FMC CDU INTERROGATION ON NR 2 ENG FAULT CODE 73 10342 READS FMV POSITION SIGNAL IS OUT OF RANGE FIM: 73-25 TASK 803. REPLACED NR 2 ENGINE HMU REF MM 73-21-000/400-801-F00. PERFORMED REPAIR CONFIRMATION IAW FIM 73-25-00-810-803-F00 NO FAULTS NOTED. NR 2 ENGINE INBOARD FAN COWL REMOVED/INSTALLED PER MM 71-11-02-000/400-802-F00. TEST ACCOMPLISHED IAW MM 71-00-00-800-811-F00.