What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(-23) On June 3, 2001, Cessna 172RG, N9877B, piloted by a private pilot, departed Waukegan airport, Waukegan, IL for a part 91 personal flight to oshkosh, Wisconsin. When the landing gear was lowered for landing, the left main landing gear did not lock into position. The pilot returned to Waukegan airport. Several attempts were made to lock the left main landing gear in the down and locked position, without success. The pilot retracted the landing gear and landed. No injuries, no fire, the aircraft sustained substantial damage. Nothing follows.
As the FAA filed it
(-23) ON JUNE 3, 2001, CESSNA 172RG, N9877B, PILOTED BY A PRIVATE PILOT, DEPARTED WAUKEGAN AIRPORT, WAUKEGAN, IL FOR A PART 91 PERSONAL FLIGHT TO OSHKOSH, WISCONSIN. WHEN THE LANDING GEAR WAS LOWERED FOR LANDING, THE LEFT MAIN LANDING GEAR DID NOT LOCK INTO POSITION. THE PILOT RETURNED TO WAUKEGAN AIRPORT. SEVERAL ATTEMPTS WERE MADE TO LOCK THE LEFT MAIN LANDING GEAR IN THE DOWN AND LOCKED POSITION, WITHOUT SUCCESS. THE PILOT RETRACTED THE LANDING GEAR AND LANDED. NO INJURIES, NO FIRE, THE AIRCRAFT SUSTAINED SUBSTANTIAL DAMAGE. NOTHING FOLLOWS.