What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
^Alan chaney, ^the pilot in command of N7616R had inadvertantly left approximately 12 inches of his seatbelt tail hanging out of the closed aircraft door prior to departing kful for a flight to kcma on 06/11/2017. After departing kful at 15:46PST and climbing to approximately 45OO', ^Mr. Chaney^ heard a loud clanging sound that he attributed to a possible engine problem. As a precaution for an unknown problem, ^Mr. Chaney^ declared an emergency and diverted to klgb where he landed safely at 16:02PST. Upon the end of his taxi to ross aviation, it was observed by the responding airport fire department captain that a length of seatbelt was hanging out of the closed aircraft door. The seatbel appeared to have been slapping the fuselage in flight causing the metallic clanging noise heard by ^Mr. Chaney^. No damage to the aircraft was noted.
As the FAA filed it
^ALAN CHANEY, ^THE PILOT IN COMMAND OF N7616R HAD INADVERTANTLY LEFT APPROXIMATELY 12 INCHES OF HIS SEATBELT TAIL HANGING OUT OF THE CLOSED AIRCRAFT DOOR PRIOR TO DEPARTING KFUL FOR A FLIGHT TO KCMA ON 06/11/2017. AFTER DEPARTING KFUL AT 15:46PST AND CLIMBING TO APPROXIMATELY 45OO', ^MR. CHANEY^ HEARD A LOUD CLANGING SOUND THAT HE ATTRIBUTED TO A POSSIBLE ENGINE PROBLEM. AS A PRECAUTION FOR AN UNKNOWN PROBLEM, ^MR. CHANEY^ DECLARED AN EMERGENCY AND DIVERTED TO KLGB WHERE HE LANDED SAFELY AT 16:02PST. UPON THE END OF HIS TAXI TO ROSS AVIATION, IT WAS OBSERVED BY THE RESPONDING AIRPORT FIRE DEPARTMENT CAPTAIN THAT A LENGTH OF SEATBELT WAS HANGING OUT OF THE CLOSED AIRCRAFT DOOR. THE SEATBEL APPEARED TO HAVE BEEN SLAPPING THE FUSELAGE IN FLIGHT CAUSING THE METALLIC CLANGING NOISE HEARD BY ^MR. CHANEY^. NO DAMAGE TO THE AIRCRAFT WAS NOTED.