As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE END SHAKE ON THE THREE CRITICAL MECHANISM SHAFTS WERE MEASURED. TWO OF THE SHAFTS HAD END SHAKES OF .0003 INCH. AN ALERT SERVICE BULLETIN PUT OUT BY THE MANUFACTURER INDICATED THAT AN END SHAKE OF .0004 INCH OR LESS WOULD CAUSE POINTER HANG-UP AT THE LOW OPER TEMPERTURE.