# Service difficulty reports: Pratt & Whitney Canada PT6A-140 A list on [Pratt & Whitney Canada PT6A-140](https://openairdocs.org/engine/pratt-whitney-canada-pt6a-140.md). Newest first. General aviation reporting is voluntary. - [SDR L87A2026083100266](https://openairdocs.org/sdr/L87A2026083100266.md): Elec Connector · contaminated · Aug 28, 2026 · N622TP · Cessna 208B · Fire Protection System Wiring > ENGINE FIRE WARNING IN FLIGHT, APPROX 5 MINS AFTER TAKEOFF EXPERIENCED AN ENGINE FIRE WARNING WHICH WAS DETERMINED TO BE AN INDICATION PROBLEM. DIVERSION TO TEB HAD ALREADY BEEN INITIATED WHERE A PRECAUTIONARY LANDING MADE. PILOT REPORTED AFTER APPROX 5 MINS, - [SDR ENHA202608040197](https://openairdocs.org/sdr/ENHA202608040197.md): B-Nut · loose · Aug 25, 2026 · N502GV · Cessna 208B · Turbine Engine Oil System > SMOKE IN CABIN. MECHANICS FOUND LOOSE B-NUT AT LINE FROM THE AIR/ OIL SEPERATOR TO WET TORQUE INDICATING VENT (FWD FITTING), TIGHTENED FITTING, CLEANED ENGINE, PERFOMED LEAK CHECK @ FULL POWER AND CRUISE SETTINGS FOR 15 MIN.. NO LEAKS. ENGINE RUN PERFORMED IA - [SDR UATA5120710252101](https://openairdocs.org/sdr/UATA5120710252101.md): Unknown · smoke · Jul 8, 2025 · N707RA · Cessna 208B · Air Distribution System > "WHEN BLEED AIR IS TURNED ON, SMOKE ENTERS COCKPIT." "INSPECTED, NO SMOKE WAS OBSERVED COMING FROM THE ENGINE COMPARTMENT." CAUSE SUSPECTED TO BE DIRT/DUST IN BLEED AIR HEAT/VENT DISTRIBUTION. - [SDR 2025FA0000263](https://openairdocs.org/sdr/2025FA0000263.md): Flap Track · cracked · Apr 12, 2025 · N400EM · Beech C90A · Leading Edge Devices > LH OB FLAP TRACK CRACKED - [SDR FXTA20250417001](https://openairdocs.org/sdr/FXTA20250417001.md): Warning Message · activated · Apr 2, 2025 · N215BA · Cessna 208B · Engine Indicating System > WHILE IS CRUISE FLIGHT NG WENT HIGH AND BLINKED RED FOLLOWED BY CAS EXCEEDANCE MESSAGE. INSPECTED AND NO FAULTS FOUND. BELIEVED TO BE GLITCH IN GARMIN CAUSING FALSE INDICATIONS BASED ON THE GARMIN RECORDS FROM THE DATA LOGGER CARD. NO OTHER VISUAL OR AUDITABLE - [SDR 2023F00242](https://openairdocs.org/sdr/2023F00242.md): Control Unit · fluctuates · Jul 27, 2023 · N21955 · Cessna 208B · Electrical Power System > STANDBY ALTERNATOR SHOWS NO INDICATION WHEN GENERATOR IS ONLINE AND STANDBY POWER SWITCH IS IN THE OFF POSITION. ONCE STANDBY ALTERNATOR IS ONLINE BUT NOT THE PRIMARY POWER SOURCE, THERE IS LARGE ERRONEOUS AMPERAGE FLUCTUATION. ONCE GENERATOR IS TRIPPED, THE A - [SDR 2023F00236](https://openairdocs.org/sdr/2023F00236.md): Belt · broken · Jul 20, 2023 · N823MA · Cessna 208B · Cabin Cooling System > BURNING SMELL IN FLIGHT. SMELL DISSIPATED AFTER TURNING OFF AIR CONDITIONING - [SDR 2023F00056](https://openairdocs.org/sdr/2023F00056.md): Blower · shorted · Feb 14, 2023 · N958SP · Cessna 208B · Air Distribution System > VENTILATION FAN INOPERATIVE WITH A LIGHT ELECTRICAL BURNING SMELL COMING FROM THE VENTS WHEN TURNED SWITCH IN THE ON POSITION. SMELL DISSIPATED WHEN SWITCHED OFF - [SDR 2022F00437](https://openairdocs.org/sdr/2022F00437.md): Compressor · seized · Oct 30, 2022 · N549PN · Cessna 208B · Cabin Compressor System > SMOKE IN COCKPIT. UPON LANDING MAINTENANCE DISCOVER AC COMPRESSOR SEIZED AND DRIVE BELT HAD MELTED - [SDR FXTA20221114001](https://openairdocs.org/sdr/FXTA20221114001.md): Pressure Switch · failed · Oct 22, 2022 · N190B · Cessna 208B · Aircraft Fuel Distribution System > LOW FUEL PRESSURE CASS MESSAGE. SENSOR ON ENGINE FAILED - [SDR FXTA20221114002](https://openairdocs.org/sdr/FXTA20221114002.md): Pressure Switch · failed · Oct 20, 2022 · N679BA · Cessna 208B · Aircraft Fuel Distribution System > LOW FUEL PRESSURE MESSAGE. SENSOR ON ENGINE FAILED. - [SDR FXTA20220607](https://openairdocs.org/sdr/FXTA20220607.md): Pressure Switch · failed · Jun 7, 2022 · Cessna 208B · Fuel Storage > LOW FUEL PRESSURE CAS MESSAGE. SENOR ON ENGINE FUEL/OIL HEAT EXCHANGER FAILED. - [SDR FXTA20220607003](https://openairdocs.org/sdr/FXTA20220607003.md): Pressure Switch · failed · Jun 7, 2022 · N573BA · Cessna 208B · Fuel Storage > LOW FUEL PRESSURE CAS MESSAGE. SENSOR ON ENGINE FUEL/OIL HEAT EXCHANGER FAILED. - [SDR 2022FA0000072](https://openairdocs.org/sdr/2022FA0000072.md): Hose · none · Oct 29, 2021 · N3963C · Cessna 208B · Fuselage Structure (General) > THE PROPELLER IS DE-ICED BY TKS FLUID BY MEANS OF A SLINGER RING, A HOSE AND A SPRAY NOZZLE. THE AIRCRAFT/ENGINE/PROPELLER HAD ONLY 336.6 HOURS TOTAL TIME. ALL 4 HOSES ON THE PROPELLER WERE BADLY CRACKED ALMOST IN TWO PIECES AND NEEDED REPLACEMENT. - [SDR FXTA20210728001](https://openairdocs.org/sdr/FXTA20210728001.md): Pressure Switch · failed · Jul 27, 2021 · N573BA · Cessna 208B · Fuel Indicating System > LOW FUEL PRESSURE CASS MESSAGE. SENSOR ON ENGINE FAILED - [SDR FXTA20210521001](https://openairdocs.org/sdr/FXTA20210521001.md): Pressure Switch · failed · May 5, 2021 · N404BA · Cessna 208B · Aircraft Fuel Distribution System > SWITCH FAILED ON TAKE OFF GIVING A FAULTS INDICATION OF NO FUEL PRESSURE. AIRCRAFT RETURNED TO RUNWAY UNEVENTFULLY. - [SDR FXTA20210505007](https://openairdocs.org/sdr/FXTA20210505007.md): Pressure Switch · failed · Apr 15, 2021 · N573BA · Cessna 208B · Fuel Pressure Indicator > LOW FUEL LIGHT CAME ON DURING START-UP. SENSOR ON ENGINE HAD FAILED. - [SDR JIKA2020102801](https://openairdocs.org/sdr/JIKA2020102801.md): Tach Generator · false indication · Oct 28, 2020 · N2049K · Beech 1900C · Engine RPM Indicating System > SHORTLY AFTER TAKEOFF FROM KLAN, NR 1 ENGINE PROP RPM DROPPED OFF 200-400 FT/LBS OF TORQUE LESS THAN THE NR 2 ENGINE. ADDITIONALLY, UPON ADJUSTING THE POWER AND PROPS TO MATCH IN PHYSICAL LOCATION, AND THEN FINE TUNING TO NULLIFY THE ASYMMETRICAL PROP HARMONI - [SDR 2020FA0000537](https://openairdocs.org/sdr/2020FA0000537.md): Rod End Bearing · dry · Jun 2, 2020 · N208AR · Cessna 208B · Propeller Controlling System > PILOT REPORTS PROPELLER CONTROLS DIFFICULT TO MOVE INTO BETA. UPON FURTHER INSPECTION FOUND ENGINE CONTROL RODS NEEDED TO BE CLEANED AND LUBRICATED. ONCE LUBRICATED AIRCRAFT ENGINE RUNS PERFORMED AND NO DEFECTS WERE NOTED. AIRCRAFT OK FOR RETURN TO SERVICE. - [SDR 2020FA0000223](https://openairdocs.org/sdr/2020FA0000223.md): Pulley · failed · Apr 21, 2020 · N208AR · Cessna 208B · Alternator-Generator Drive > PIC REPORTED ALTERNATOR FAIL MESSAGE APPEARED. PIC MADE UNSCHEDULED LANDING IN HORSESHOE BAY WITHOUT INCIDENT. FOUND ALTERNATOR BELT NO LONGER RIDING ON PULLEY ASSY, DUE TO A BEARING FAILURE LOCATED ON THE PULLEY ASSY. REMOVED AND REPLACED PULLEY ASSY. UPON FU - [SDR FXTA2020003109001](https://openairdocs.org/sdr/FXTA2020003109001.md): Pressure Sensor · failed · Mar 9, 2020 · N241BA · Cessna 208B · Fuel Pressure Sensor > LOW FUEL PRESSURE CAS MESSAGE. SENSOR ON ENGINE FUEL/OIL HEAT EXCHANGER FAILED. - [SDR FXTA20210505001](https://openairdocs.org/sdr/FXTA20210505001.md): Pressure Switch · failed · Mar 2, 2020 · N241BA · Cessna 208B · Fuel Pressure Indicator > LOW FUEL PRESSURE LIGHT CAME ON DURING START-UP. SENSOR ON ENGINE HAD FAILED. - [SDR FXTA2020030326001](https://openairdocs.org/sdr/FXTA2020030326001.md): Pressure Switch · failed · Feb 26, 2020 · N952BA · Cessna 208B · Fuel Pressure Sensor > LOW FUEL PRESSURE CAS MESSAGE. SENSOR ON ENGINE FUEL/OIL HEAT EXCHANGER FAILED. - [SDR FXTA20210505004](https://openairdocs.org/sdr/FXTA20210505004.md): Pressure Switch · failed · Feb 26, 2020 · N952BA · Cessna 208B · Fuel Pressure Indicator > LOW FUEL PRESSURE LIGHT CAME ON DURING START-UP. SENSOR ON ENGINE HAD FAILED. - [SDR 2020FA0000162](https://openairdocs.org/sdr/2020FA0000162.md): Torque Tube · cracked · Jan 22, 2020 · N9469B · Cessna 208B · Elevator Structure > DURING THE LAST PHASE INSPECTION A CRACK WAS DISCOVERED IN THE LEFT ELEVATOR TORQUE TUBE. - [SDR FXTA2020010924001](https://openairdocs.org/sdr/FXTA2020010924001.md): Attach Bracket · damaged · Dec 24, 2019 · N404BA · Cessna 208B · Wing, Attach Fittings > LH INBOARD AFT FLAP BELLCRANK UPPER ATTACH POINT HOLE ELONGATED. - [SDR 9PMA2020042700008](https://openairdocs.org/sdr/9PMA2020042700008.md): Bracket · failed · Dec 17, 2019 · N208AR · Cessna 208B · Engine Collector/Tailpipe/Nozzle > PIC REPORTS SLIGHT VIBRATION FELT ON LANDING IN COLLEGE STATION. ONCE AIRCRAFT WAS SHUT DOWN PILOT REPORTS EXHAUST DUCT BRACKET HAD CRACKED. NO FURTHER DAMAGE CAUSED TO AIRCRAFT OR CREW. - [SDR 2020F00051](https://openairdocs.org/sdr/2020F00051.md): Transmitter · leaking · Nov 18, 2019 · N591AW · Beech C90A · Fuel Indicating System > WRITE UP IN LOGBOOK IS AS FOLLOWS "STRONG EXHAUST/FUEL FUMES PRESENT IN FLIGHT. INITIALLY NOTICED IN REAR CABIN, EVENTUALLY COCKPIT ASSOCIATED WITH FLAP EXTENSION ON FINAL APPROACH" FOR FURTHER INFORMATION, PIC INDICATED THAT MED CREW IN CABIN INITIALLY NOTICE - [SDR MUIA201906253001](https://openairdocs.org/sdr/MUIA201906253001.md): Control Unit · failed · Jun 23, 2019 · N942AC · Cessna 208B · AC Inverter > FLIGHT CREW REPORTED STANDBY ALTERNATOR SYSTEM HAD FAILED. REPLACED STANDBY ALTERNATOR CONTROL UNIT AND SYSTEM FUNCTIONS NORMALLY. AIRCRAFT RETURNED TO SERVICE IN ACCORDANCE WITH THE CARRIER GENERAL OPERATIONS MANUAL. - [SDR FXTA20210505002](https://openairdocs.org/sdr/FXTA20210505002.md): Pressure Switch · failed · Apr 17, 2019 · N848BA · Cessna 208A · Fuel Pressure Indicator > LOW FUEL PRESSURE LIGHT CAME ON DURING START-UP. SENSOR ON ENGINE HAD FAILED. - [SDR FXTA20190418001](https://openairdocs.org/sdr/FXTA20190418001.md): Support Bracket · damaged · Apr 12, 2019 · N241BA · Cessna 208B · Wing Miscellaneous Structure > UPPER LH OUTBOARD FLAP BELLCRANK ATTACH BRACKET IS ELONGATED WHERE FLAP BELLCRANK ATTACHES IN WING. - [SDR FXTA20210505005](https://openairdocs.org/sdr/FXTA20210505005.md): Pressure Switch · failed · Mar 8, 2019 · N610BA · Cessna 208B · Fuel Pressure Indicator > LOW FUEL PRESSURE LIGHT CAME ON DURING START-UP. SENSOR ON ENGINE HAD FAILED. - [SDR FXTA20190104001](https://openairdocs.org/sdr/FXTA20190104001.md): Pressure Switch · failed · Jan 4, 2019 · N404BA · Cessna 208B · Fuel Pressure Sensor > LOW FUEL PRESSURE CASS MESSAGE. SENSOR ON ENGINE FUEL OIL HEAT EXCHANGER FAILED. - [SDR FXTA20210505003](https://openairdocs.org/sdr/FXTA20210505003.md): Pressure Switch · failed · Jan 4, 2019 · N848BA · Cessna 208B · Fuel Pressure Indicator > LOW FUEL PRESSURE LIGHT CAME ON DURING START-UP. SENSOR ON ENGINE HAD FAILED. - [SDR FXTA20181221001](https://openairdocs.org/sdr/FXTA20181221001.md): Pressure Switch · failed · Dec 20, 2018 · N404BA · Cessna 208B · Fuel Pressure Indicator > LOW FUEL PRESSURE CASS MESSAGE. SENSOR ON ENGINE HAD FAILED. - [SDR FXTA20210505008](https://openairdocs.org/sdr/FXTA20210505008.md): Pressure Switch · failed · Aug 27, 2018 · N573BA · Cessna 208B · Fuel Pressure Indicator > LOW FUEL PRESSURE LIGHT CAME ON IN FLIGHT. SENSOR ON ENGINE FAILED. - [SDR CA180723011](https://openairdocs.org/sdr/CA180723011.md): Pulley · damaged · Jul 19, 2018 · Cessna 208B · Accessory Gearboxes > (CAN) ENGINE STANDBY POWER DRIVE FAILURE. OIL PRESSURE LOW AND IN THE RED DURING FLIGHT. APPROX 7 QUARTS OF OIL LOST DURING THE FLIGHT. (TC# 20180723011) - [SDR FXTA20210505006](https://openairdocs.org/sdr/FXTA20210505006.md): Pressure Switch · failed · Nov 7, 2017 · N867BA · Cessna 208B · Fuel Pressure Indicator > LOW FUEL PRESSURE LIGHT CAME ON DURING START-UP. SENSOR ON ENGINE HAD FAILED ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```sql SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet' WHERE engine_model_key = 'PT6A140' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/engine/pratt-whitney-canada-pt6a-140/reports --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.