What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
Narrative: normal departure from dvt enroute to prc. Leveled off at 3000' (AGL) to cool engine. Prop/eng RPM began to increase above realine-no response to prop pitch control. Contacted dvt tower to announce return to dvt. Began smelling hot oil and reduced mp to 17". Lowered flaps to 10 degrees to increase lift to "nurse" a/c back to dvt. Engine began to shake violently and could not maintain altitude. At 500' (AGL) notified dvt tower of intent to make emergency landing on I-17 freeway. Left lg "up"-master-sw.-"off" prior to touchdown. Slid to a stop of l/h side of south bound lane on I-17. Two(2) passengers and pilot exited a/c. no fire, no injuries. Dps arrived 10 min later scene secured. Ac towed back to west wind aviation ramp @ dvt. Noticed oil filt. Assy. Had cracked causing loss of oil for prop and engine. Incident closed.
As the FAA filed it
NARRATIVE: NORMAL DEPARTURE FROM DVT ENROUTE TO PRC. LEVELED OFF AT 3000' (AGL) TO COOL ENGINE. PROP/ENG RPM BEGAN TO INCREASE ABOVE REALINE-NO RESPONSE TO PROP PITCH CONTROL. CONTACTED DVT TOWER TO ANNOUNCE RETURN TO DVT. BEGAN SMELLING HOT OIL AND REDUCED MP TO 17". LOWERED FLAPS TO 10 DEGREES TO INCREASE LIFT TO "NURSE" A/C BACK TO DVT. ENGINE BEGAN TO SHAKE VIOLENTLY AND COULD NOT MAINTAIN ALTITUDE. AT 500' (AGL) NOTIFIED DVT TOWER OF INTENT TO MAKE EMERGENCY LANDING ON I-17 FREEWAY. LEFT LG "UP"-MASTER-SW.-"OFF" PRIOR TO TOUCHDOWN. SLID TO A STOP OF L/H SIDE OF SOUTH BOUND LANE ON I-17. TWO(2) PASSENGERS AND PILOT EXITED A/C. NO FIRE, NO INJURIES. DPS ARRIVED 10 MIN LATER SCENE SECURED. AC TOWED BACK TO WEST WIND AVIATION RAMP @ DVT. NOTICED OIL FILT. ASSY. HAD CRACKED CAUSING LOSS OF OIL FOR PROP AND ENGINE. INCIDENT CLOSED.