What was found
ON CLIMBOUT, CAPTAIN'S ALTIMETER STUCK AT 1,000 FT, VSI STUCK AT 100 FPM CLIMB, RED FLAGS ON ALTIMETER AND ALTITUDE SELECTOR, LOST THE TCAS AND MODE C. RETURNED TO PDX. REPLACED CAPTAIN'S ALTIMETER IAW MM 34-11-00. OPS CHECKS/LEAK CHECKS GOOD.