As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENGINE L LOW MAX N2 MOTORING SPEED DURING START, DUCT PRESSURE WAS NORMAL WITH START VALVE OPEN, N2 NOTED AT 26%.AIRCRAFT RETURNED TO BLOCK AND WAS GROUNDED. MAINTENANCE FOUND ENGINE STARTER DEFECTIVE. MAINTENANCE REMOVED AND INSTALLED SERVICEABLE L/H ENG STARTER. SERVICED AND OPS CHECK NORMAL IAW B767 AMM 80-11-01. A/C REMAINS ETOPS 180. AIRCRAFT RETURNED TO SERVICE