Spare petrol pump fitted. Thermo couple connection on No. 4 cylinder, starboard engine, repaired. Batteries inspected for level and charge. New cartridge fitted to exhaust gas analyser - starboard side. Spare adapter plug fitted to carburettor air scoop for temperature gauge line.
Engines run up on ground.
Petrol pressure on starboard engine too low. Petrol pump removed. Original petrol pump valve and seat ground in to remove uneveness. Pump fitted to engine. Engines run up on ground and tested in air.