What was found
ON CLIMBOUT FROM KOSH THROUGH 6700 FT PILOTS ALTIMETER STOPPED CLIMBING. AIRCRAFT RETURNED TO POINT OF DEPARTURE FOR MAINTENANCE. REPLACED CAPTAIN'S ALTIMETER.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ON CLIMBOUT FROM KOSH THROUGH 6700 FT PILOTS ALTIMETER STOPPED CLIMBING. AIRCRAFT RETURNED TO POINT OF DEPARTURE FOR MAINTENANCE. REPLACED CAPTAIN'S ALTIMETER.