Mentor/Turbo Mentor (T-34)
Flight Crew Multiengine; Flight Crew Flight Instructor; Flight Crew Instrument; Flight Crew Air Transport Pilot (ATP); Flight Crew Flight Engineer
Flight Crew Last 90 Days 250; Flight Crew Total 15000; Flight Crew Type 150
Aircraft Equipment Problem Critical; Deviation / Discrepancy - Procedural Maintenance
General Flight Cancelled / Delayed; General Maintenance Action
Aircraft; Human Factors
During flight control check prior to taxi; elevator control was found to be binding and would not move forward of the neutral position. Airplane had recently (within the last 15 flight hours) come out of maintenance (avionics upgrade). Mission was cancelled and airplane put into maintenance for troubleshooting and repair.
Reporter discovered that a tool left behind after avionics work had migrated into a position that it was interfering with the elevator system.
T34 pilot reported binding in the elevator system during ground control check.