Doc 56 - Race Scrutineering

Document 56: Technical Delegate's Report

• Date: 04 October 2026
• From: The FIA Formula 1 Technical Delegate
• To: The Stewards

📋 Before the Race

Part Replacements

• Red Bull Racing RB Ford (Car 03 - Max Verstappen): Rearward steering column bearing
• Audi (Car 05 - Gabriel Bortoleto): Antenna

Technical Checks & Tests

• Rear Wing Flexibility: Mainplane and flap flexibility tests carried out on car number 05.
• Front Wing Scans: Car number 77 front wing digitally scanned and compared with CAD drawings & 2026 Technical Regulations. Adjustable range checked.
• Car Set-up: Confirmed car numbers 18, 87, and 11 pre-qualifying set-ups matched post-qualifying figures.
• Clutch & Grid Checks:
  • Clutch paddle linearity checks on cars 06, 30, and 14.
  • Tyre fitting, tyre heating blankets disconnection at the "5-Minutes" signal, and minimum tyre starting pressure (LHS/RHS front & rear) checked on all cars on the grid.

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🏁 After the Race

Weighed Cars

Component & System Inspections

• Aero & Bodywork: Checked on cars 03, 44, and 30 (Floor Body, Foot, Sidewall, Board, Leading Edge Device, Corner, Auxiliary Components, Nose, Chassis components, Roll Hoop, Mirror, Driver Cooling, Sidepod, Engine Cover, Tail, Front/Rear Wing Profiles, Endplates, Pylons, etc. per Articles C3.5 to C3.11).
• Plank & Skid Wear: Checked on cars 81, 01, 63, 12, 03, 06, 16, 44, 55, 41, 30, 18, 14, 31, 87, 27, 05, 10, 43, and 11.
• Engine, Fuel & ERS Checks:
  • Physical oil level check on car 27.
  • Fuel pressure, cooling system pressure, and engine high rev limit bands checked.
  • Fuel flow meter calibration checksums, instantaneous/partial load fuel energy flow, and fuel/plenum/intake air temperatures/pressures checked.
  • Turbocharger speed, PU and MGU-K power reduction rates, DC sensor codes/temperatures, ES state of charge, and ERS recharge limits checked.
  • MGU-K power limits, speed, power model, ES power model, and race start usage checked.
  • Torque coordinator/control checked.
• General & Safety Checks:
  • Session type confirmed; FIA standard ECU checksums verified.
  • Rear brakes pressure control and brake temperature warnings checked.
  • Steering wheels of all classified cars, race start data, single clutch paddle use, and TPMS coverage checked.
  • Front and rear wing adjuster system transition times checked.
  • Tyre starting/cold pressures (car 30) and all tyres used during the race checked.

Conclusion: All car weights and items checked were found to be in compliance with the 2026 FIA Formula One Technical Regulations.

Jo Bauer
The FIA Formula 1 Technical Delegate