As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE PERF T/C 78273000 FOUND NR 1 ENG FAULT MSG 75-20371 "SHORT TIME" FAULT, HMU VSV CONTROL CURRENT OUT-OF-RANGE. ACFT GROUNDED. BASED ON FINDINGS: REPLACED AND TESTED NR 1 ENG EEC IAW MM 73-21-60-400-801-F00. TESTS PASSED, INCLUDING FIM REPAIR CONFIRMATION.