As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ORD - FLT 4117 - CREW REPORTED THAT THE PITCH TRIM 1 FAILED AT ABOUT 3000 AGL AND 220 KIAS AFTER TAKEOFF. CREW ALSO NOTED THAT THE STANDY TRIM DID NOT WORK. MAINTENANCE REMOVED AND REPLACED THE HSCU. OPERATIONAL CHECK WAS GOOD AND AIRCRAFT WAS RETURNED TO SERVICE. (M)