As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMBOUT, FIRST OFFICER'S HEADING INDICATOR STARTED STICKING WITH A 30 DEGREE DIFFERENCE BETWEEN HI'S WITH NO ASSOCIATED FLAGS OR ALARMS. AFTER TURNING BACK TOWARD DEN, THE GYRO BEGAN WORKING PROPERLY. FIRST OFFICER RECEIVED COMPUTER FLAG DURING TAXI IN. RERACKED HEADING COMPUTER. OPS CHECK GOOD ON GROUND.