Air Tractor AT-502B

Service difficulty reports · 29

Newest first. General aviation reporting is voluntary.

Query with SQL
duckdb -csv -c "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 aircraft_model_key = 'AT502B'
  ORDER BY difficulty_date DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SDR 2026FA0000599Cotter Pin · missingDURING TAKEOFF, THE PIC REPORTED A BUFFERING IN THE LEFT BRAKE JUST PRIOR TO TAKEOFF. DURING LANDING, THE PIC REPORTED A SIGNIFICANT DIFFERENCE IN BRAKING AUTHORITY BETWEEN THE RIGHT AND LEFT SIDE WHICH RESULTED IN THE AIRCRAFT DEPARTING THE RUNWAY INTO THE DJul 7, 2026 · N647LA · Airtrc AT502B · Main Landing GearSDR 2023FA0000586Bearing · crackedPROP ORIGINALLY REMOVED FOR ISSUES WITH PROP NOT FULLY CYCLING THROUGH ITS FULL RANGE OF MOTION. HAD ONE BLADE THAT WAS NOT ACTUATING PROPERLY. WAS TAKING LONGER THAN NORMAL TO GO TO FEATHER. PROP WAS DELIVERED TO NORTHWEST PROPELLER SERVICE FOR OVERHAUL. BOct 5, 2023 · N5197X · Airtrc AT502B · Propeller Feathering/ReversingSDR CA151103002Bleed Valve · loose(CAN) DURING THE ANNUAL INSPECTION, A BORESCOPE OF THE COMPRESSOR SECTION WAS BEING CARRIED OUT. WHEN THE BLEED AIR VALVE ASSY WAS TO BE REMOVED TO PROVIDE ACCESS TO THE COMPRESSOR, IT WAS FOUND THAT THE BLEED AIR VALVE ASSY, PN 3075033-01, WAS LOOSE AND THE Nov 3, 2015 · Airtrc AT502B · Compressor Bleed ValveSDR CA150727018Cable · loose(CAN) TAIL WHEEL LOCK CABLE FOUND OFF THE REAR PULLEY, PREVENTING THE TAIL WHEEL FROM UNLOCKING. THE PULLEY ATTACH BRACKET MOUNTED TO THE STERN POST DIAGONAL TUBE WAS FOUND ROTATED TO THE FORWARD SIDE OF THE DIAGONAL TUBE REMOVING ALL TENSION TO THE CABLE. THJul 27, 2015 · Airtrc AT502B · Nose/Tail Landing GearSDR CA150525007Engine · power loss(CAN) PILOT REPORTED THAT AFTER TAKEOFF WHILE THROTTLING BACK TO CRUISE SETTING, ENG EXPERIENCED A ROLL BACK TO IDLE. PILOT PROCEEDED TO LAND THE ACFT & DURING LANDING THE ACFT SLIDE SIDEWAYS WHICH BENT THE AIRFRAME BUT STAYED UP ON THE MAIN LANDING WHEELS. May 10, 2015 · Airtrc AT502B · Engine (Turbine/Turboprop)SDR CA141003011Blade · cracked(CAN) DURING HOT SECTION INSPECTION, 1 COMPRESSOR TURBINE BLADE, FOUND CRACKED AT T/E, APPROXIMATELY MID CORD, LT UNDETECTED, COULD HAVE LED TO BLADE SEPARATION AND CATASTROPHIC ENGINE FAILURE. HAVE REQUESTED REPAIR AGENCY TO SEND 2 BLADES FOR METALLURGICAL AOct 2, 2014 · Airtrc AT502B · Turbine SectionSDR CA140630013Unknown · unknown(CAN) AFTER TAKEOFF FROM A DIRT STRIP, THE PILOT INITIATED AN EARLY TURN AT APPROX. 10 FT ABOVE THE GROUND. SHORTLY AFTER, THE ACFT FELT LIKE IT WAS SETTLING AND THE PILOT APPLIED FULL POWER AND NOTICED TORQUE DECREASING BEFORE THE ACFT IMPACTED THE GROUND. Jun 13, 2014 · Airtrc AT502B · Standard Practices/StructuresSDR CA140424002Engine · power loss(CAN) CLIMBING THROUGH 150`, THE ENGINE LOST POWER AND THE PILOT WAS FORCED INTO A LANDING IN A FIELD WHERE A WET DENSE CROP OF COTTON WAS LOCATED. DURING LANDING THE PROPELLER STRUCK THE GROUND AND THE ACFT LOOPED RESULTING IN SUBSTANTIAL DAMAGE.Mar 31, 2014 · Airtrc AT502B · Engine (Turbine/Turboprop)SDR 2013FA0000405Clevis Pin · backed outCLEVIS PIN WAS LAYING ON FLOOR OF ACFT. HOLDS THROTTLE CABLE TO THE THROTTLE LEVER. ON TAKEOFF THE THROTTLE WAS PUT TO MAX POWER AND THE ENGINE DID NOT RESPOND. IT APPEARS THE CLEVIS PIN SHOULD HAVE HAD A WASHER AND COTTER PIN TO HOLD IT IN PLACE. THE PIN Jul 3, 2013 · N5182C · Airtrc AT502B · Power LeverSDR CA130626009Pressure Switch · stuck(CAN) THE MICROSWITCH SIDE OF THE FUEL FILTER/FUEL PRESSURE WARNING SYS ASSEMBLY IS STUCK IN THE CLOSED POSITION, CAUSING A FALSE FUEL PRESSURE WARNING INDICATION.Jun 24, 2013 · Airtrc AT502B · Aircraft Fuel Distribution SystemSDR CA130605002Starter Gen · failed(CAN) WHILE ATTEMPTING A COMPRESSOR DESALINATION, PERFORMANCE RECOVERY WASH THE STARTER GENERATOR EMITTED A GRINDING NOISE AND FAILED UPON INITIAL SPOOL UP.Jun 3, 2013 · Airtrc AT502B · Starter-GeneratorSDR CA121213006Oil Filter · failed(CAN) OIL FILTER ELEMENT WAS FOUND WITH THE INTERNAL CONE TORN, ALLOWING OIL TO BYPASS THE MAIN FILTER BODY.May 17, 2012 · Airtrc AT502B · Turbine Engine Oil SystemSDR CA120411006Fuel Control · malfunctioned(CAN) DURING THE LOADING OF CHEMICALS INTO THE ACFT FOR SPRAYING, THE PILOT HAD JUST REMOVED THE SUPPLY LINE TO THE ACFT WHEN HE HEARD THE ENGINE START TO INCREASE IN POWER. FROM THE GROUND TO THE COCKPIT CHECKED PLA AND PLA BOTH STILL BACK, PILOT SHUTDOWN THMar 2, 2012 · Airtrc AT502B · Fuel Control/Reciprocating EnginesSDR 2010FA0001108Mount · crackedDURING WING REMOVAL THE LT FUSELAGE TUBING WAS FOUND CRACKED AT THE TOP WING ATTACH BUSHING MOUNT. THE CRACK APPEARS TO BE ALMOST COMPLETE CRACKING FAILURE OF THE FUSELAGE VERTICAL TUBE AND GOES THROUGH THE DIAMOND PLATE GUSSET.Oct 14, 2010 · N61175 · Airtrc AT502B · Fuselage Main, Attach FittingsSDR CA081118003Lock Tab · cracked(CAN) FCU FUEL CONDITION LEVER LOCK SPRING TAB THAT IS USED TO PREVENT THE LEVER MOVING TO FUEL CUT-OFF HAS FAILED.Nov 3, 2008 · Airtrc AT502B · Power LeverSDR CA060606004Line · cracked(CAN) PILOT REPORTED RT BRAKE ALWAYS GOES SOFT WHILE TAXING. AFTER INSPECTING ENTIRE BRAKE INSTALLATION FOR LEAKS, FOUND THE FWD AND AFT BRAKE CALIPER INTERCONNECT HOSE, FWD FITTING CRACKED. THIS CRACK WAS ONLY APPARENT WHEN THE BRAKES HEAT UP AND THE CRACK OJun 5, 2006 · Airtrc AT502B · Landing Gear Brake SystemSDR CA050725005Engine · power loss(CAN) THE ENGINE REPORTEDLY LOST POWER DURING TAKEOFF WITH SUBSEQUENT DAMAGE TO THE AIRCRAFT. THE ENGINE HAD BEEN CONVERTED FROM A PT6A-15AG TO A PT6A-34AG UNDER AIRFORCE TURBINE SERVICES STC SE7677SW. P&WC WILL MONITOR INVESTIGATION OF THE INCIDENT AND WILLJul 1, 2005 · Airtrc AT502B · Engine (Turbine/Turboprop)SDR CA050621006Engine · failedDURING FLIGHT, ENGINE OIL PRESSURE AND TURBINE TEMPERATURES WERE REPORTED TO RISE, FOLLOWED BY AN OIL PRESSURE REDUCTION AND FLAMES EMANATING FROM THE EXHAUST. THE PILOT SHUT THE ENGINE DOWN IN FLIGHT AND COMPLETED A DEAD-STICK LANDING. MFG WILL MONITOR THE IFeb 7, 2005 · Airtrc AT502B · Engine (Turbine/Turboprop)SDR CA050213006Engine · failed(CAN) DURING FLIGHT ENGINE OIL PRESSURE AND TURBINE TEMPERATURE INCREASED. OIL PRESSURE SUBSEQUENTLY REDUCED, ACCOMPANIED BY FLAMES FROM THE ENGINE EXHAUST. THE PILOT SHUT THE ENGINE DOWN IN FLIGHT AND CARRIED OUT AN EMERGENCY LANDING. MFG WILL MONITOR INVEFeb 7, 2005 · Airtrc AT502B · Engine (Turbine/Turboprop)SDR 2002FA0001374Pedestal · crackedPEDESTAL WAS FOUND TO BE CRACKED DURING INSPECTION.Dec 6, 2002 · N60518 · Airtrc AT502B · Stabilizer Control SystemSDR AUS20021371Plate · cracked(AUS) VERTICAL FIN FRONT SPAR ATTACHMENT FITTING FAILED. REAR SPARCRACKED.Nov 25, 2002 · Airtrc AT502B · Vertical Stabilizer, Attach FittingsSDR XR52002F00000Indicator · shortedIN FLIGHT, PILOT REPORTED THAT CIRCUIT BREAKER (POPPED) OUT. HE RESET THE BREAKER AND SPARKS CAME OUT OF THE ITT GAUGE. THE MARK ON THE INSTRUMENT CASE INDICATE THAT A SHORT OCCURRED INSIDE AND GROUNDED TO THE INSTRUMENT PANEL, CAUSING THE SPARKS.Apr 12, 2002 · N91262 · Airtrc AT502B · Engine Indicating SystemSDR KZH2002F00000Spar Cap · crackedWHILE PERFORMING AN EDDY CURRENT INSPECTION OF THE .3750 DIAMETER BOLT HOLES ON THE LOWER SPAR CAP, 3 SMALL CRACKS WERE INDICATED. AD HAS BEEN ISSUED ADDRESSING THE ABOVE PROBLEM, HOWEVER IT DOES NOT ADDRESS AIRCRAFT OF THIS MODEL BELOW 4000 TT. I AM CONCERNDec 10, 2001 · N6136M · Airtrc AT502B · Wing SparSDR AU000355Tube · cracked(AUS) FUSELAGE VERTICAL TUBE CRACKED AT WING ANGLE ATTACHMENT POINT.May 4, 2000 · Airtrc AT502B · Fuselage Main, FrameSDR AU990925Bearing · failed(AUS) NR 6 ACCESSORY DRIVE GEAR REAR BEARING BRONZE CARRIER DAMAGED. SUBMITTER SUSPECTED CAUSED BY OIL STARVATION DUE TO BLOCKED OIL GALLERY WHICH WAS CAUSED BY AN INCORRECTLY FITTED SEAL. METAL CONTAMINATION OF ENGINE OIL SYSTEM.Aug 21, 1999 · Airtrc AT502B · Turbine Engine Accessory DriveSDR AU990361Torque Tube · cracked(AUS) LEFT AND RIGHT ELEVATOR TORQUE TUBES PN 30368-9 (LT) AND PN 30368-10 (RT) CRACKED.Mar 22, 1999 · Airtrc AT502B · Elevator StructureSDR AU990125Bolt · failed(AUS) POWER TURBINE CONTAINMENT RING ATTACHMENT BOLT FAILED. THE BOLT WAS FOUND IN THE COMBUSTION LINER WITH THE LOCK WIRE ATTACHED. PART TC: 1,203.Feb 11, 1999 · Airtrc AT502B · Turbine SectionSDR 99ZZZX602Line · leakingIN-FLIGHT LOSS OF FUEL FLOW RESULTING IN ENGINE FAILURE. EMERGENCY LANDING AT NEARBY AIRPORT. INSPECTION REVEALED CHAFED THROUGH FUEL LINE (ALUMINUM). FUEL SELECTOR TO FIREWALL. FUEL LINE CHAFED THROUGH DUE TO CONTACT WITH DEFROSTER SCAT HOSE. SUBMITTER SOct 14, 1998 · N6108L · Airtrc AT502B · Aircraft Fuel Distribution SystemSDR AU980507Angle · cracked(AUS) LT AND RT WING OUTER ATTACHMENT ANGLES CRACKED. CRACK LENGTH APPROXIMATELY 25.4 MM (1 INCH). FOUND DURING INSPECTION IAW AD/AT/16. AIRCRAFT WAS PREVIOUSLY REGISTERED IN NEW ZEALAND AS ZK-SNO.May 7, 1998 · Airtrc AT502B · Wing, Fuselage Attach Fittings
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