JASC 6122
Service difficulty reports · 708
Reports filed under 6122 · Propeller Governor, newest first.
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 jasc_code = '6122' 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.
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 jasc_code = '6122' ORDER BY difficulty_date DESC
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
SDR FFS2003F00020Spool · brokenENGINE OVERSPEED DUE TO INTERNAL FAILURE OF THE PROPELLER GOVERNOR. SPOOL B-3166 SEPARATED FROM SPOOL EXTENSION A-3167, CAUSING GOVERNOR TO ACT AS IF IN AN UNDERSPEED CONDITION, SENDING BOOST OIL PRESSURE TO FORCE PROPELLER TO LOW PITCH. SEPARATION MAY HAVE SDR 53566Governor · failedAFTER TAKEOFF ON FLIGHT 5549 FROM PITTSBURGH PENSYLVANIA, THE LEFT PROP RPM ONLY SHOWED 1500 RPMS. THE CREW RETURNED TO GATE WITH NO FURTHER INCIDENT. MAINTENANCE REMOVED AND REPLACED THE PROP GOVERNOR. TEARDOWN REPORT WILL BE AVAILABLE AT A LATER DATE.SDR AUS20030853Elbow · cracked(AUS) RT PROPELLER GOVERNOR OUTLET PRESSURE ELBOW CRACKED IN AREA ABOVE LOCKNUT.SDR QXEA200300969Governor · malfunctionedGEG- NR 2 PROP SLOW TO COME OUT OF FEATHER. REMOVED AND REPLACED OVERSPEED GOVERNER. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.SDR 52767AMWA01Governor · malfunctionedDURING TAKEOFF ON FLIGHT 5578 FROM READING PENNSYLVANIA TO PITTSBURGH, THE POWER ADDED TO THE RIGHT ENGINE WOULD NOT DEVELOPE MORE THAN 1000 FT LBS TORQUE. THE CREW ABORTED TAKEOFF AND RETURNED TO THE GATE. MAINTENANCE REMOVED AND REPLACED THE BLEED VALVE ANSDR 2003FA0000714Governor · inoperativePILOT REPORTED, WENT THRU SEVERE TURBULANCE AND LOST GOVERNOR CONTROL. ENGINE WENT TO 2575 RPM. TROUBLESHOT UNIT, COULD NOT DUPLICATE, OPERATED AND CHECKED WITH PROP TACH. OPENED ON GROUND.SDR 2003FA0000944Spring · brokenFEATHERING SPRING FOUND BROKEN INSIDE DURING DISASSEMBLY FOR OVERHAUL.SDR CA030605008Governor · failed(CAN) PROPELLER MOVED TO LOW RPM POSITION AS POWER WAS APPLIED FOR TAKEOFF, TAKEOFF WAS ABORTED AND AIRCRAFT TAXIED BACK TO DOCK. PROPELLER GOVERNOR REPLACED WITH OVERHAULED UNIT, MAIN OIL FILTER INSPECTED AND FOUND CLEAN. AIRCRAFT GROUND RUN AND HIGH SPEED WASDR T2B2003F00000Roll Pin · missingON APPROACH, PILOT LOST CONTROL OF PROPELLER. PROPELLER WOULD NOT CHANGE PITCH OR FEATHER. PILOT LANDED WITHOUT INCIDENT. ENGINE AND PROPELLER EXPERIENCED OVER SPEED BY 25 PERCENT. ENGINE PROPELLER REMOVED FOR TEARDOWN INSPECTION PROPELLER REMOVED FROM SESDR 2003FA0000156Governor · malfunctionedPROPELLER WOULD CYCLE NORMALLY DURING RUN UP. AFTER TAKE OFF THE PROP WOULD BECOME UNCONTROLLABLE. RMP ONLY CONTROLLABLE BY THROTTLE, NOT PROPELLER CONTROL. REMOVAL AND DISASSEMBLY OF PROP GOVERNOR REVEALED THAT ALLEN SCREW HAD BACKED OUT OF REAR OF UNIT AND WSDR CA030218010Governor · failed(CAN) CAUTION LIGHT FOR NR 2 AC GENERATOR ON AFTER ENGINE START. CHECKLIST CONSULTED AND GENERATOR RESET WITH SUCCESS. AFTER TAKEOFF POWERPLANT MESSAGE ON ED, CHECKLIST CONSULTED AND NORMAL ENGINE INDICATIONS OBSERVED, FLIGHT CONTINUED TO NEXT BASE. ON APPROSDR CA030205006Cam · cracked(CAN) DURING INSPECTION CRACKS WERE FOUND ON THE CAM ASSY FOR THE PROP GOVERNOR. THE CRACKS WERE LOCATED WHERE THE SCREWS ATTACH THE BRACKET ASSY TO THE ENGINE FIRE WALL. FIG 76 ITEM 24 IN THE TURBO BEAVER IPC. BRACKET WAS REPLACED WITH A NEW UNIT FROM VIKING SDR CA030124004Shaft · sheared(CAN) AT ENGINE START UP, THE PROPELLER WOULD NOT COME OUT OF FEATHER. INSPECTION REVEALED A SHEARED CONSTANT SPEED PROPELLER GOVERNOR SHAFT.SDR 00665098Bearing · corrodedGOVERNOR HAS CORROSION ON BEARING.SDR CA030221004Governor · inoperative(CAN) ON RETURN FLIGHT PILOTS REPORT THAT RT PROPLLER RPM STAYED AT 2100. THEY WERE NOT ABLE TO GOVERN PROPELLER SPEED. AFTER LANDING MAINTENACE CHECKED THE SYSTEM AND DETERMINED THAT REPLACEMENT OF PROP. GOVERNOR WAS REQUIRED. AFTER REPLACEMENT WITH A SERVICASDR 0212271Bulb · inoperativeFlight 4456 TTN-BED. Autocoarsen failed to arm on take off. R&R'd anunciator bulbs. Lamp test good. Performed Autocoarsen test IAW SF 340A AMM 61-22-00-5. Ops check good.SDR AUS20021466Governor · faulty(AUS) LT ENGINE PROPELLER GOVERNOR FAULTY. SUSPECT CAUSED BY STICKING PILOT VALVE.SDR CA021203007Bearing · failed(CAN) UPON DISASSEMBLY OF THIS GOVERNOR, IT WAS NOTED THAT ONE OF THE FOUR BEARING ASSEMBLIES HAD LOST ITS BALLS. BECAUSE THERE IS NO SCREEN IN THE BASE OF THIS GASKET, ANY OIL CONTAMINATES COULD CHANNEL BACK INTO THE ENGINE. THE GOVERNOR WAS COMPLETELY OVERHSDR CA021203002Flyweight · failed(CAN) GOVERNOR WAS BENCH CHECKED & FOUND TO HAVE ABOUT A 30-RPM OVER SPEED WITH FULL CONTROL OF GOVERNOR OVER ENTIRE RPM RANGE. GOVERNOR WAS DISASSEMBLED, FOUND FLYWEIGHT HAD PARTIALLY FAILED. DRIVE SPRING WAS DISCONNECTED FROM DRIVER, ALLOWING FLYWEIGHT HEASDR 2003FA0000889Governor · malfunctionedPN 4508-042 WAS OF A LOWER THAN SPECIFIED HARDNESS WHEN INSPECTED. THIS LOWER HARDNESS ALLOWED THE PART TO WEAR AT A FASTER RATE THAN EXPECTED. THIS WEAR ALLOWED THE DRIVE SPRING TO DISENGAGE FROM THE DRIVER IN THE PROPELLER GOVERNOR AND PERMITTED THE PROPELSDR CA030106016Governor · failed(CAN) PILOTS NOTICED RT ENGINE GOING INTO OVERSPEED CONDITION. IMMEDIATELY TRIED TO REDUCE ENGINE RPM WITH THROTTLE & PROP CONTROL, NO SUCCESS. ELECTED TO SHUTDOWN & SECURE RT ENGINE AFTER WHICH THEY CONTACTED TORONTO CENTER AND INFORMED THEM THAT THEY WERE SDR AUS20021280Control Unit · faulty(AUS) LH PROPELLER CONTROL UNIT FAULTY.SDR PNSA021101Governor · out of adjustABORTED TAKEOFF DUE TO LOW TORQUE ON RIGHT ENGINE. MAINTENANCE ADJUSTED PROP GOVERNOR HIGH RPM AND GROUND RAN ENGINE TO TAKEOFF TORQUE.SDR 2002FA0001224Setscrew · backed outPROPELLER GOVERNOR SET SCREW INSIDE CASE HALVES, BACKED OUT CAUSING A CHAIN REACTION OF ENGINE DAMAGE. ALL MAJOR ENGINE COMPONENTS BROKEN (NON-REPAIRABLE), RESULTING IN AN ENGINE FAILURE AND A FORCED LANDING.SDR DAT2002F00002Governor · fluctuatesDURING THE SET UP FOR A CRUISE CLIMB CONFIGURATION THE PROP RPM WAS REDUCED TO THE NORMAL 1400 RPM WHEN THE RT PROP KEPT FALLING UNTIL IT STABILIZED AT 750 RPM WITH 4300 POUNDS OF INDICATED TORQUE. AFTER INCREASING AND DECREASING THE RT PROP AND POWER LEVELS SDR AUS20021022Governor · faulty(AUS) RT ENGINE PROPELLER GOVERNOR SUSPECT FAULTY.SDR TC42002F00000Line · chafedLUBRICATION LINE FROM PROPELLER UNFEATHERING ACCUMULATOR IS RUBBED BY FUEL LINE AT THROTTLE SERVO. RUBBED HOLE IN LINE CAUSING PROPELLER TO FEATHER.SDR GLBA2002126Governor · out of adjustLEFT PROP LIMITED TO 1650 ON TAKEOFF ROLL. ADJUSTED LEFT HAND PROP GOV.SDR SWIA200211070Governor · leakingDURING CRUISE, GOT A TRIPLE CHIME OIL WARNING WITH CORRESPONDING OIL PRESSURE BETWEEN 40-55 PSI ON ENGINE NR 2. COMPLIED WITH QRH AND FEATHERED ENGINE NR 2. OIL PRESSURE THEN FELL TO APPROXIMATELY 20-30 PSI AND ENGINE NR 2 WAS SHUTDOWN PER QRH. ALL OTHER ENSDR SWIA200211041Governor · malfunctionedLEFT ENGINE DID NOT ACCELERATE ABOVE 90 PERCENT NP ON TAKEOFF. ABORTED T/O. RAN UP ENGINES W/EEC ON & OFF WITH SIMILAR RESULTS. REMOVED AND REPLACED LT OVERSPEED GOVERNOR IAW HS 61-22-00. OPS CHECKS GOOD.SDR CA020722010Housing · damaged(CAN) ENROUTE YUX FROM YUW NR 4 ENGINE WOULD NOT SYNC. PRECAUTIONARY SHUTDOWN ACCOMPLISHED. MAINTENANCE REPLACED THE PROP VALVE HOUSING, AIRCRAFT GROUND CHECKED AND RETURNED TO SERVICE.SDR AUS20020639Spring · failed(AUS) GOVERNOR SPEEDER SPRING FAILED. SPRING WAS A NEW ITEM FITTEDDURING OVERHAUL 169.7 HOURS PREVIOUSLY.SDR AUS20020719Governor · making metal(AUS) LT ENGINE GOVERNOR METAL CONTAMINATION.SDR CA030102006Governor · malfunctioned(CAN) SLIGHT RPM HUNTING ON RT ENGINE AT CLIMB OUT POWER. PROP GOVERNORS WERE SWITCHED TO SEE IF PROBLEM WOULD MOVE. ENDED UP SENDING GOVERNOR OUT FOR REPAIR.SDR MALA020301Connector · dirtyLT TORQUE MOTOR LOCKOUT INOP. WOULD NOT COME OUT OF START FEATHER PROP RPM NEVER OVER 800 AND WOULD NOT GO INTO BOTTOM GOVERNOR. MAINTENANCE CLEANED CANNON PLUG ON OVERSPEED GOVERNOR. PERFORMED SEVERAL STARTS ON LT MOTOR. OPS CHECK GOOD.SDR AUS20020546Csu · leaking(AUS) PROPELLER GOVERNOR (CSU) LEAKING OIL.SDR AUS20020578Csu · faulty(AUS) CONSTANT SPEED UNIT (CSU) FAULTY.SDR NACA20020017Connector · defectiveNR 2 PROPELLER UNCONTROLLABLE, WILL NOT TOGGLE. REPLACED CANNON PLUG AND BREEZE FROM THE NR 2 PROP GOV STEP HEAD MOTOR TO NOSE CASE J-BOX.SDR CA020423001Governor · failed(CAN) ON TAKE-OFF THE CREW REPORTED THAT THE LT ENGINE EXPERIENCED A POWER LOSS AS NOTED BY A REDUCED MANIFOLD PRESSURE AND RPM. VISUAL INSPECTION OF THE ENGINE, FUEL SYSTEM, IGNITION SYSTEM, INDUCTION SYSTEM, AND COMPRESSION CHECK DID NOT REVEAL ANY OBVIOUS CSDR CA020510005Governor · damaged(CAN) ON MAR 18, 2002, CREW EXPERIENCED FLUCTUATING NP&TQ, POWERPLANT MESSAGE & PEC NR 1 CAUTION LIGHT WERE PRESENTED. WHEN POWER REDUCED, FOR DESCENT, NR 1 NP OVERSPEED. ENGINE SHUTDOWN. UNEVENTFUL LDG ACCOMPLISHED. FAULT CODES 719,939,998,718,161&999 REPORTESDR 2002F00755Governor · malfunctionedTHE LEG FROM MDT TO AVP ON FINAL APPROACH THE LEFT ENGINE BEGAN TO SURGE. THE PILOTS SHUT DOWN THE ENGINE TO STABILIZE THE AIRCRAFT AND TO CONTINUE WITH THE APPROACH. THE AIRCRAFT WAS LANDED JOHNSTONE, PA. THE AIRCRAFT LANDED WITHOUT INCIDENT. THE AVP MECHSDR AUS20020547Csu · faulty(AUS) PROPELLER GOVERNOR (CSU) FAULTY. SUSPECT CAUSED BY FAULTY SPEEDER SPRING.SDR QXEA0200317Governor · malfunctionedPDX - AT ROTATION NR 2 ENGINE ONLY INDICATED 980 RPM, WITH CONDITION LEVER AT MAX, FUEL FLOW WAS ALSO LOW. NOTICEABLE YAW WITH UNEVEN POWER. RETURNED TO FIELD WITHOUT INCIDENT. REMOVED AND REPLACED NR 2 PROP OVERSPEED GOVERNOR. OPERATIONAL AND LEAK CHECK GSDR CA011220001Nut · leaking(CAN) DURING ROUTINE GROUND MAINTENCE OIL WAS DISCOVERED EMINATING FROM THE ENGINE COWLING. INVESTIGATION WHICH INCLUDED WASHING DOWN THE AREA AND A RUN UP REVEALED OIL LEAKING FROM THE RELIEF VALVE ADJUSTMENT NUT. REPLACED PROPELLOR GOVERNOR, RAN ENGINE NOSDR 2001FA0000656Idler Gear · crackedRELEVANT INDICATION. (CRACK)SDR SABA011062Governor · uncontrollableAircraft 961 on flight 5152 from Charlotte to Lewisburg. After take-off pilot reported the number two engine prop governor will not hold set RPM and makes erratic & rapid changes between 99 to 101.5%. Aircraft returned to Charlotte and landed with no other proSDR CA011116002Control Arm · misinstalled(CAN) GOVERNOR WOULD NOT CYCLE PROP BELOW 1500 RPM. CONTROL ARM INSTALLED IN THE INCORRECT POSITION ON CONTROL SHAFT.SDR AUS20011212Clamp · missing(AUS) PROPELLER GOVERNOR OIL LINE CRACKED AT FLANGE IN AREA OF ATTACHMENT TO THE GOVERNOR. LOSS OF ENGINE OIL CAUSED ENGINE TO SEIZE. INVESTIGATION FOUND THAT THE TWO CLAMPS REQUIRED BYAD/LYC/86 AMDT2 WERE NOT FITTED. PERSONNEL/MAINTENANCE ERROR.SDR NSV2001F00001Governor · failedRKD-RH PROP RPM DROPPED TO 1400 DURING TAKE OFF ROLL. OFF WAS ABORTED AIRCRAFT RETURNED TO GATE. MECHANIC REMOVED AND REPLACED PROP GOVERNOR, RIGGED AS REQUIRED. OPS CHECKED GOOD.SDR 2001FA0000689Line · crackedAIRCRAFT WOULD NOT MAKE TAKEOFF POWER, RESULTED IN RTO. CRACKED PY LINE BETWEEN FUEL CONTROL AND PROP GOV. REMOVED AND REPLACED PY RIGHT LINE GOING TO PROP AND PERFORMED A SUCCESSFUL OPERATIONAL AND LEAK CHECK. (M)
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