As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAXI OUT FOR DEPARTURE, MX NOTICED FLUID LEAKING FROM LT ENG. PILOT FROM ACFT BEHIND N251 MADE CONTACT WITH N251 CREW & REPORTED FLUID LEAK. AS ACFT WAS PREPARING TO RETURN TO GATE, PILOT FROM ACFT BEHIND N251 TOLD N251 CREW THAT LT WING & ENG WAS ON FIRE. THE LT WING BECAME ENGULFED IN FLAMES AROUND THE LT ENG. CREW CONTACTED ATC & FIRE DEPARTMENT WHILE PERFORMING EMER SHUTDOWN & EVACUATION PROCEDURES. INVESTIGATION IN PROGRESS. SUPPLEMENTAL TO FOLLOW.