As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RETURNED TO THE FIELD AT LAX DUE TO A PROBLEM WITH THE CAPTAIN''S ALTIMETER. *S/D* CAPTAINS ALTIMETER FLAG IN VIEW AND NEEDLE STUCK. RESET CB, NO HELP. CAPTAIN''S ALTIMETER WAS REPLACED. NO ADDITIONAL ALTIMETER WRITE-UPS HAVE OCCURRED. SHOP ANALYSIS OF ALTIMETER RESULTED IN REPLACEMENT OF DRIVE MOTOR.