What was found
PILOT REPORTED CAPTAIN'S ALTIMETER FAILED (FLAGGED) AT 600 FT AFTER TAKEOFF. RETURNED TO AIRPORT. MAINTENANCE REPLACED THE FAILED ALTIMETER.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PILOT REPORTED CAPTAIN'S ALTIMETER FAILED (FLAGGED) AT 600 FT AFTER TAKEOFF. RETURNED TO AIRPORT. MAINTENANCE REPLACED THE FAILED ALTIMETER.