So I see nothing in the logs of a proper inspection of the engine.
This is the wording on the 100h inspection after the prop strike:
Decowled A/C. Dialed C/S ,OK .C/W A.D. 2004-10-14C1 and M58 475C,with new bolt and locktab. Changed oil and filter ,filter check, . Serviced engine 7 QTS...