What was found
THE FIRST OFFICERS MASTER CAUTION ANNUNCIATOR STICKS INTERMITTANTLY IN RESET. MTC REMOVED CLEANED AND REINSTALLED FIRST OFFICERS MASTER CAUTION ANNUNCIATOR.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
THE FIRST OFFICERS MASTER CAUTION ANNUNCIATOR STICKS INTERMITTANTLY IN RESET. MTC REMOVED CLEANED AND REINSTALLED FIRST OFFICERS MASTER CAUTION ANNUNCIATOR.