As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE FLIGHT CREW REPORTED THAT BEFORE BRAKE RELEASE FOR TAKEOFF THAT THE NO1 ENGINE WAS NOT MAKING MINIMUM TAKEOFF POWER REQUIREMENTS. THE TAKEOFF ATTEMPT WAS ABORTED. THE MAINTENANCE VENDOR CONFIRMED THE POWER KNOB SPILT AND LACK OF N1 TARGET FOR THE DAY. THE ENGINE POWER CONTROL CABLE WAS ADJUSTED AS NEEDED. ENGINE POWER CHECKS WERE SATISFACTORY AND THE AIRCRAFT WAS RETURNED TO SERVICE.