As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) START ATTEMPTED ON ENGINE. STARTER/GENERATOR ROTATED BUT ENGINE DID NOT. S/G REMOVED AND INSPECTED. S/G SHAFT SPLINE NOTED AS EXTREMELY WORN. ENGINE ACCESSORY HOUSING INTERNAL SPLINE CHECKED FOR WEAR WITH WEAR CHECK TOOL. DIMENSIONS WITHIN ACCEPTABLE LIMITS. S/G REPLACED WITH NEW UNIT. (TC NR 20070215003)