What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
Aircraft cgxgs (canadian registered) departed Santa maria, CA (ksmx) with final destination of winslow-lindbergh, AZ (kinw). Pilot diverted to Santa Barbara (ksba) to wait for more favorable weather. Upon touchdown at ksba, air traffic control (ATC) advises pilot of flames or smoke coming from aircraft. The pilot exited runway at taxiway c, powered down aircraft and began addressing the fire with a hand-held fire extinguisher. Ultimately the fire damaged the interior and the underside of the aircraft. The damge to the underside of aircraft was substantial.
As the FAA filed it
AIRCRAFT CGXGS (CANADIAN REGISTERED) DEPARTED SANTA MARIA, CA (KSMX) WITH FINAL DESTINATION OF WINSLOW-LINDBERGH, AZ (KINW). PILOT DIVERTED TO SANTA BARBARA (KSBA) TO WAIT FOR MORE FAVORABLE WEATHER. UPON TOUCHDOWN AT KSBA, AIR TRAFFIC CONTROL (ATC) ADVISES PILOT OF FLAMES OR SMOKE COMING FROM AIRCRAFT. THE PILOT EXITED RUNWAY AT TAXIWAY C, POWERED DOWN AIRCRAFT AND BEGAN ADDRESSING THE FIRE WITH A HAND-HELD FIRE EXTINGUISHER. ULTIMATELY THE FIRE DAMAGED THE INTERIOR AND THE UNDERSIDE OF THE AIRCRAFT. THE DAMGE TO THE UNDERSIDE OF AIRCRAFT WAS SUBSTANTIAL.