What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(-23) Pilot selected gear down during approach to rwy 35R at okc. Gear indication did not show down and locked on both main gear. Pilot did a fly-by the tower and tower said both gear appeared to be down. Pilot departed traffic pattern and attempted to cycle the gear up and down again. Gear would not retract. Pilot attempted to put gear in down and locked position by hand pumping per emergency checklist to no avail. Pilot did another fly-by the tower and was advised the gear did appear to be down. Pilot landed on rwy 35R, okc. During landing rollout both main gear collapsed.
As the FAA filed it
(-23) PILOT SELECTED GEAR DOWN DURING APPROACH TO RWY 35R AT OKC. GEAR INDICATION DID NOT SHOW DOWN AND LOCKED ON BOTH MAIN GEAR. PILOT DID A FLY-BY THE TOWER AND TOWER SAID BOTH GEAR APPEARED TO BE DOWN. PILOT DEPARTED TRAFFIC PATTERN AND ATTEMPTED TO CYCLE THE GEAR UP AND DOWN AGAIN. GEAR WOULD NOT RETRACT. PILOT ATTEMPTED TO PUT GEAR IN DOWN AND LOCKED POSITION BY HAND PUMPING PER EMERGENCY CHECKLIST TO NO AVAIL. PILOT DID ANOTHER FLY-BY THE TOWER AND WAS ADVISED THE GEAR DID APPEAR TO BE DOWN. PILOT LANDED ON RWY 35R, OKC. DURING LANDING ROLLOUT BOTH MAIN GEAR COLLAPSED.