As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AHM MOC MMSG 77-44610 ENGINE N1 VIBRATION IS APPROACHING EXCEEDANCE LIMITS. HJ8A HARNESS CHANGE. REF WDM 77-31-11. FOUND SHIELD GROUND BAD ON HJ8A HARNESS. JOB STOP FOR PARTS TRANSACTION REMOVED AND REPLACED #1 ENG HJ8A ENGINE CONTROL ELECTRICAL HARNESS PER AMM 73-22-01. OPS CHECK OK.