What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
The aircraft accident location is 1.75 miles southeast of Potoka, IL. Lat. 38.43.58 n long. 89.04.26 w. pilot reported that he fueled at salem lockrone airport kslo approximately 8.6 miles southeast of the accident. The pilot reported that he fueled from a company owned fuel tank on the airport. A fuel sample was taken from the fuel filter assembly on the company owned fuel tank. No visual abnormalities noted. The pilot reported that on the third or fourth pass on the field the engine quit suddenly. No unsual noise was noted. Pilot immediately made an emergency landing in the corn field landing in a southernly direction. Upon impact the aircraft destroyed approximatey fifty yards of corn and came to rest approximately 25 yards from a metal building. The impact caused the aircraft to spin on the ground approximately 180 degrees resting at an angle facing north. The aircraft sustained substatial damage. No stuctural damade was noted to the metal building. The engine and engine nacelle were seperated upon impact. Continuity was established for flight controls and engine controls as practical due to the engine assembly being seperated from the fuselage.
A large number of power turbine blades had broken off during the flight. Upon researching the engine logbooks it was discovered that the engine had a total time of 14,092 hours, a time since overhaul of 6738 hours, and a time since hot section inspection of 1218 hours.
One airframe and two engine logbooks were shipped to the springfield FSDO from the aircraft owner. The engine logbooks were not complete to show the entire history of the engine. The earliest entry in the engine logbook is 03/26/1986 engine total time 8748 hours and a time since overhaul of 1412 hours.
Reviewing logbook entries since last hot section inspection it could not be determined if recommended engine washes were conducted. The power turbine blades have large areas on each blade that exhibit sulfidation.
Engine total start cycles were not provided nor were they able to be determined.
As the FAA filed it
THE AIRCRAFT ACCIDENT LOCATION IS 1.75 MILES SOUTHEAST OF POTOKA, IL. LAT. 38.43.58 N LONG. 89.04.26 W. PILOT REPORTED THAT HE FUELED AT SALEM LOCKRONE AIRPORT KSLO APPROXIMATELY 8.6 MILES SOUTHEAST OF THE ACCIDENT. THE PILOT REPORTED THAT HE FUELED FROM A COMPANY OWNED FUEL TANK ON THE AIRPORT. A FUEL SAMPLE WAS TAKEN FROM THE FUEL FILTER ASSEMBLY ON THE COMPANY OWNED FUEL TANK. NO VISUAL ABNORMALITIES NOTED. THE PILOT REPORTED THAT ON THE THIRD OR FOURTH PASS ON THE FIELD THE ENGINE QUIT SUDDENLY. NO UNSUAL NOISE WAS NOTED. PILOT IMMEDIATELY MADE AN EMERGENCY LANDING IN THE CORN FIELD LANDING IN A SOUTHERNLY DIRECTION. UPON IMPACT THE AIRCRAFT DESTROYED APPROXIMATEY FIFTY YARDS OF CORN AND CAME TO REST APPROXIMATELY 25 YARDS FROM A METAL BUILDING. THE IMPACT CAUSED THE AIRCRAFT TO SPIN ON THE GROUND APPROXIMATELY 180 DEGREES RESTING AT AN ANGLE FACING NORTH. THE AIRCRAFT SUSTAINED SUBSTATIAL DAMAGE. NO STUCTURAL DAMADE WAS NOTED TO THE METAL BUILDING. THE ENGINE AND ENGINE NACELLE WERE SEPERATED UPON IMPACT. CONTINUITY WAS ESTABLISHED FOR FLIGHT CONTROLS AND ENGINE CONTROLS AS PRACTICAL DUE TO THE ENGINE ASSEMBLY BEING SEPERATED FROM THE FUSELAGE.
A LARGE NUMBER OF POWER TURBINE BLADES HAD BROKEN OFF DURING THE FLIGHT. UPON RESEARCHING THE ENGINE LOGBOOKS IT WAS DISCOVERED THAT THE ENGINE HAD A TOTAL TIME OF 14,092 HOURS, A TIME SINCE OVERHAUL OF 6738 HOURS, AND A TIME SINCE HOT SECTION INSPECTION OF 1218 HOURS.
ONE AIRFRAME AND TWO ENGINE LOGBOOKS WERE SHIPPED TO THE SPRINGFIELD FSDO FROM THE AIRCRAFT OWNER. THE ENGINE LOGBOOKS WERE NOT COMPLETE TO SHOW THE ENTIRE HISTORY OF THE ENGINE. THE EARLIEST ENTRY IN THE ENGINE LOGBOOK IS 03/26/1986 ENGINE TOTAL TIME 8748 HOURS AND A TIME SINCE OVERHAUL OF 1412 HOURS.
REVIEWING LOGBOOK ENTRIES SINCE LAST HOT SECTION INSPECTION IT COULD NOT BE DETERMINED IF RECOMMENDED ENGINE WASHES WERE CONDUCTED. THE POWER TURBINE BLADES HAVE LARGE AREAS ON EACH BLADE THAT EXHIBIT SULFIDATION.
ENGINE TOTAL START CYCLES WERE NOT PROVIDED NOR WERE THEY ABLE TO BE DETERMINED.
NTSB investigation
The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.
Other reports on N9892 · 1
Matched to the same aircraft by N-number and date.