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 2005FA0000715Retainer · damagedFLYWEIGHT RETAINING DISC, DAMAGED. (K)SDR CA050418014Rotary Actuator · failed(CAN) AT EIGHT THOUSAND FEET WHILE SLOWING THROUGH 160 KTS, ON THE TC CHECK RIDE, NR 3 PROP OVERSPEED TO 14,550 ERPM. THE ENGINE WAS SHUT DOWN AND PROP FEATHERED. THE A/C RETURNED TO CYQF AND LANDED WITHOUT INCIDENTS. MAINTENANCE FOUND ROTARY ACTUATOR DRIVESDR 2005FA0000586Governor · pluggedDEPARTING SOFT FIELD POWER AND RPM FINE ON INITIAL ROLL. AFTER WHEELS BECAME LIGHT, POWER BLED OFF, YIELDING NO FURTHER ACCELERATION OR LIFT. ABORTED TAKE-OFF, NOSE WHEEL GOUGED INTO SOFT SAND, BREAKING NOSE FORK, PITCHING NOSE OF AIRCRAFT INTO DIRT. PROP BSDR CA050407001Governor · seized(CAN) THE AIRCRAFT DEPARTED FOR DESTINATION WITH ONE PILOT ABOARD. SHORTLY AFTER TAKEOFF, THE RIGHT ENGINE S/N L12245-48 RPM BEGAN TO DETERIORATE. THE PILOT SHUT THE ENGINE DOWN AND RETURNED FOR A NORMAL LANDING AT THE DEPARTURE AIRFIELD. INSPECTION REVEALESDR AU510002090Governor · failedRT ENGINE PROPELLER GOVERNOR COUPLING GEAR PNO A-3181 DRIVE TEETH (8OFF) SHEARED.SDR 2005F00041Governor · seizedWHILE IN CRUISE FLIGHT, THE RT ENGINE BEGAN TO LOSE RPM. THE PILOT PUSHED THE PROPELLER CONTROL LEVER ALL THE WAY FORWARD TO MAX RPM WITH NO CHANGE. THE PILOT DESCENDED AND MADE AN UNEVENTFUL LANDING. THE RT ENGINE QUIT ON ROLL OUT AND THE RT PROPELLER WENT INSDR 2005F00040Governor · seizedWHILE IN CRUISE FLIGHT, THE RT ENGINE BEGAN TO LOSE RPM. THE PILOT PUSHED THE PROPELLER CONTROL LEVER ALL THE WAY FORWARD TO MAX RPM WITH NO CHANGE. THE PILOT DESCENDED AND MADE AN UNEVENTFUL LANDING. THE RT ENGINE QUIT ON ROLL OUT AND THE RT PROPELLER WENT ISDR 2005FA0000497Flyweight · crackedFLYWEIGHT BASE CRACKED ALSO ASSOCIATED PART C20886 SPRING HEAD AND B20882-1. SPRING DRIVE ALSO CRACKED. (K) (22124)SDR 2005FA0000191Flyweight · crackedFLYWEIGHT BASE CRACKED ALSO ASSOCIATED PART, C20886 SPRING HEAD AND B20882-1, SPRING DRIVE ALSO CRACKED. (K) (REF: 22124)SDR PNSA050202Governor · malfunctionedDURING TAKEOFF ROLL AUTOCOARSEN HIGH LIGHT DID NOT ILLUMINATE WITH POWER LEVER ADVANCE. TAKEOFF ABORTED. TAXIED CLEAR AND PERFORMED AUTOCOARSEN GROUND TEST WITH NO FAULT. TAXIED BACK TO RUNWAY AND PERFORMED NORMAL TAKEOFF, NO ADDITIONAL FAULTS ON LATER FLIGSDR CA050304001Rod End · broken(CAN) ON TAKEOFF ROLL RT ENGINE UNDERSPED BY 300 RPM. TAKEOFF REJECTED AND RETURNED FOR MAINTENANCE. MAINTENANCE FOUND RT PROP GOVERNOR ROD END (JOINT) BROKEN. PART REPLACED AND GROUND RUN C/W SERVICEABLE.SDR CA050221008Governor · malfunctioned(CAN) DURING FLIGHT, THE PROPELLER SPEED DECREASED TO 80 PERCENT UNCOMMANDED. THE CREW COULD NOT MODULATE THE PROPELLER SPEED AND SHUT THE ENGINE DOWN IN FLIGHT. THE PROPELLER GOVERNOR WAS SUBSEQUENTLY REPLACED.SDR CA050207002Governor · uncontrollable(CAN) THE AIRCRAFT WAS IN ENROUTE, WHEN THE RT ENGINE PROPELLER RPM DROPPED, UNCOMMANDED, TO 80 PERCENT. THE PROPELLER RPM COULD NOT BE CONTROLLED, NOR COULD THE PROPELLER BE FEATHERED, AND THE RT ENGINE WAS SHUTDOWN AS A PRECAUTION. THE AIRCRAFT RETURNED TOSDR 2005FA0000202Spool · misinstalledGOVERNOR SENT FOR REPAIR DUE TO RPM CONTROL ISSUES AND A HISTORY OF LEAKING. DURING DISASSEMBLY, THE PILOT SPOOL SHAFT THREADS WERE FOUND DAMAGED. IT WAS DISCOVERED THAT AT THE PREVIOUS ASSY OF THIS PART, A FINE THREADED B3808-4 NUT WAS USED IN PLACE OF THE SDR 2005FA0000693Drive Gear · shearedGOVERNOR FAILED TO CYCLE PROP DURING RUN-UP. AT DISASSEMBLY OF GOVERNOR, GEAR WAS FOUND SHEARED AT THE VALVE SLOTS, JUST UNDER FLYWEIGHT ASSY. IT APPEARS AS THOUGH THE DRIVE GEAR SEIZED IN THE GOVERNOR BODY ABOVE THE SLOTS. CAUSE UNKNOWN. (K)SDR 3651204Governor · malfunctionedLEFT AUTOFEATHER DID NOT ARM ON TAKEOFF.SDR DAT2005F00000Governor · failedWHILE ON THE RETURN FLIGHT, CREW EXPERIENCED RT ENGINE ABNORMALITIES. THE TORQUE INDICATION EXCEEDED THE RED LINE LIMITATION AND BECAME UNCONTROLLABLE. AT THE SAME TIME, A DRASTIC DECLINE IN PROP RPM (BELOW 900 RPM) WAS NOTED. BOTH INDICATIONS WERE NOT ADJUSDR CA041209011Pilot Valve · corroded(CAN) CSU WAS INVOLVED IN A PROP STRIKE THEREFORE OH IS MANDATORY. UPON DISASSY OF CSU IT WAS DISCOVERED THAT THE PILOT VALVE PN 210332 WAS PITTED AND CORRODED ON THE BALL BEARING RACE SURFACE. THE FLYWEIGHT DRIVER PN 210317 AND THE FLYWEIGHT HEAD PN 210316 ANSDR CA040921006Bearing · destroyed(CAN) PILOT REPORTED MINOR DIFFICULTY IN MAINTAINING A CONSTANT: RPM SELECTION, RPM WOULD WANDER +/- 50 RPM (RT SIDE. PROPS NEW. CONTROL LINKAGE AND GOVERNORS INSPECTED, NIL DEFECTS FOUND. GOVERNOR SENT TO O/H SHOP FOR REPAIR. O/H SHOP STATES BEARING DESTRSDR NACA20040030Governor · inoperativeNR 2 PROPELLER OVERSPEED, UNCONTROLLABLE, WOULD NOT FEATHER. FOUND PROPELLOR GOVERNOR INOPERATIVE. REPLACED PROP GOVERNOR. LEAK AND OP CHECKED GOOD.SDR NACA20040028Governor · uncontrollableNR 1 PROPELLER UNCONTROLLABLE, WOULD NOT FEATHER. OVERSPEED TO APPROXIMATELY 3300. INSPECTED ENGINE FINGER SCREENS, NO NOTEABLE FINDINGS. REPLACED NR 1 PROPELLER GOVERNOR. CHECKED GOOD.SDR 2004F00322Governor · inoperativeHEARD AN ENGINE NOISE, SOUND CHANGE FROM RT ENGINE & CKD STATUS OF ENGINE & PRIMARY INSTURMENTS. RT ENGINE TORQUE GOING PAST REDLINE & INCREASING. ITT INCREASED SLIGHTLY THEN DROPPED TO 450 & DECREASING. CAPTAIN DECREASED RT ENGINE TORQUE 200 NR'S AT FIRST SDR CA040729001Governor · malfunctionedIN CLIMB-OUT, WHILE SETTING PROP LVRS FROM 1200 TO 900 RPM, TQ INCREASED TO 105 PERCENT. DETERMINED THAT THE NR 1 ENGINE WAS THE SOURCE OF THE PROBLEM. MX REPLACED THE NR 1 PROP CONTROL UNIT, ENG ECU HARNESS, AND TQ SIGNAL CONDITION UNIT. GROUND RUNS WERE CSDR CA040720005Propeller · malfunctionedPROPELLER OVERSPEED ON DESCENT INTO XXXX, THE ENGINE WAS SHUT DOWN AND AIRCRAFT LANDED WITHOUT INCIDENT. PROP ASSEMBLY WAS CHANGED, GROUND RUN AND PITCH LOCK TESTED SERVICABLE. AIRCRAFT WAS RETURNED TO SERVICE.SDR LU42004F00000Flyweight · brokenGOVERNOR FAILED TO PRODUCE PRESSURE, UPON DISASSEMBLY FOUND BROKEN FLYWEIGHT DISC PN D20880, SPRING DRIVE PN C20886 DAMAGED, PN B208821, SPRING BROKEN. NOTE: NO IMPACT KNOWN PARTS SENT TO MFG FOR INSPECTION.SDR BHA07RSGovernor · malfunctionedDURING CRUISE, AT AN ALTITUDE OF 10,000 FEET, THE PILOT NOTICED A REDUCTION IN MANIFOLD PRESSURE AND POWER FOR THE LEFT ENGINE. THE LEFT PROPELLER STARTED TO FEATHER. THE PILOT SHUT DOWN THE LEFT ENGINE AND LANDED AIRCRAFT WITHOUT FURTHER INCIDENT. POST FLISDR AUS20040507Bearing · failed(AUS) LT ENGINE PROPELLER GOVERNOR FAULTY. INVESTIGATION FOUND OIL PUMP GEAR PN A20107 WORN, PIVOT PIN PN A20026 EXTREMELY WORN AND BEARING PN A20028 DESTROYED. THE HOUSING WAS GOUGED TO A DEPTH OF APPROXIMATELY 3.175MM (0.125IN) IN THE BEARING AREA AND THSDR 2004F00148Governor · making metalDURING CRUISE, AT AN ALTITUDE OF 10,000 FEET, THE PILOT NOTICED A REDUCTION IN MANIFOLD PRESSURE AND POWER FOR THE RIGHT ENGINE. THE RIGHT PROPELLER STARTED TO FEATHER. THE PILOT SHUT DOWN THE RIGHT ENGINE AND LANDED AIRCRAFT WITHOUT FURTHER INCIDENT. POST SDR 61779Governor · malfunctionedON TAKEOFF RIGHT PROP RPM INDICATOR WENT TO 2000 RPM CREW ABORTED TAKEOFF AND RETURNED TO GATE WITH NO FURTHER INCIDENT. REMOVED AND REPLACED RT PROP GOV & OVERSPEED GOV CHECKS GOOD. P/N 8210-410.SDR CA040430006Solenoid · failed(CAN) DURING A TEST FLIGHT THE RT ENGINE WAS SHUT DOWN AND THE PROP FEATHERED AS PART OF THE TEST FLIGHT PROCEDURE. THE FLIGHT CREW WAS UNABLE TO UNFEATHER THE PROPELLER. THE AIRCRAFT RETURNED TO THE AIRPORT AND LANDED SAFELY. UPON INVESTIGATION BY MAINTENANCESDR AUS20040320Shaft · sheared(AUS) RT ENGINE PROPELLER GOVERNOR DRIVESHAFT SHEARED IN AREA LEVEL WITH THE MOUNTING FACE.SDR 109161Governor · malfunctionedAIRCRAFT ABORTED TAKE OFF WHEN THE RT POWER WOULD NOT SET. POWER LEVERS BROUGHT TO 80 PERCENT, CTOT SET TO 90 PERCENT. LT WENT TO 90 PERCENT, RT STAYED AT 80 PERCENT.SDR CA040412009Governor · out of rig(CAN) DURING TAKE-OFF THE NR 3 ENGINE ENCOUNTERED AN OVERSPEED. THE AIRCRAFT RETURNED TO THE HANGER. IT WAS FOUND THAT THE PROP GOVENOR WAS OUT OF RIG. IT WAS RE-RIGGED AND THE AIRCRAFT WAS RETURNED TO SERVICE.SDR CA040329004Governor · ruptured(CAN) THE OIL LEAK WAS TRACED TO THE PROP GOVERNOR AND ONLY SHOWED UP AT APPROXIMATELY 2500 RPM. A PIECE OF GASKET .1250 INCH WIDE WAS FOUND MISSING FROM THE GASKET WHICH CAUSED A LEAK OF AN ESTIMATED 1 QUART OF OIL EVERY 2 MINUTES. NO APPARENT REASON COULD SDR CA040316011Adapter · unsecure(CAN) UPON RECEIVING AN EXCHANGE GOVERNOR FROM MFG. IT WAS NOTED THAT THE 4620-016 UNFEATHERING ADAPTER PLATE WAS MISSING LOCKWIRE AND THE RESET SOLENOID 1310-105 WAS FOUND TO BE LOOSE AND POORLY LOCKED. THE UNFEATHERING PLATE WAS THEN LOCKED AND THE SOLENOID SDR CA040316010Solenoid · unsecure(CAN) UPON RECEIVING INSPECTION OF EXCHANGE GOVERNOR FROM HONEYWELL IT WAS NOTED THAT THE RESET SOLENOID P/N 1310-105 WAS LOOSE AND IMPROPERLY LOCKED. ALSO THE 3612-033 PICK UP PLUG WAS FOUND TO BE MISSING LOCKWIRE. THE RESET SOLENOID WAS THEN TIGHTENED UP ANDSDR DFJ2004F00000Fitting · leakingFOUND PROPELLER GOVERNOR OIL LINE FITTING LEAKING OIL. CAUSED WHITE SMOKE IN FLIGHT DUE TO OIL LEAKING ON EXHAUST. POSSIBLE CAUSE, FITTING NOT PROPERLY TORQUED AT PROPER GOVERNOR OVERHAUL. RECOMMEND CHECKING TORQUE OF FITTING ON INSTALLATION OF PART.SDR AUS20040144Governor · failed(AUS) LT ENGINE PROPELLER GOVERNOR FAILED. WORKSHOP INVESTIGATION AND DISASSEMBLY OF THE GOVERNOR FOUND A NUMBER OF FAULTS WITH THE UNIT, HOWEVER THE MAIN FAILURE MODE WAS DUE TO THE FLYWEIGHT HEAD ASSEMBLY MISSING ALL TRIGGER TEETH, CAUSED BY CONTACT WITH THSDR AUS20040212Governor · faulty(AUS) RT PROPELLER OVERSPEED GOVERNOR FAULTY.SDR AUS20040094Governor · faulty(AUS) RT PROPELLER OVERSPEED GOVERNOR HAD AN INTERMITTENT FAULT.SDR CA040123007Housing · misrepaired(CAN) OIL LEAK AT THE LOWER ECCENTRIC PLATE RETENTION SCREW WAS CAUSED BY IMPROPER HELI COIL INSTALLATIION. WHEN THE HELI COIL WAS INSTALLED, THE HOLE WAS DRILLED TO DEEP, AND BROKE THROUGH INTO THE RESET AND AIR BLEED ROD BORE CAUSING A LEAK. THE ESTIMATE TOSDR CA040123005Governor · corroded(CAN) UPON INSPECTION OF THE GOVERNOR, THE FOLLOWING WERE NOTED,1) 52142, DRIVE GEAR, CORROSION ON TEETH PN 50659, IDLER GEAR, CORRODED TEETH 50794, BEVEL GEAR, WORN 51866, PILOT VALVE, CORRODED 59818, R.V.PISTON, CORRODED 51742, BASE, CRACKED.THE ABOVE UNISDR V9M2004F00000Governor · failedPROPELLER GOVERNOR WENT TO HIGH PITCH CONDITION DURING CRUISE FLIGHT. AIRCRAFT LANDED WITHOUT INCIDENT.SDR DYV2003F00003Governor · failedAFTER TAKEOFF THE POWER WAS REDUCED TO CLIMB POWER. AT THE PROPELLER RPM REDUCTION FROM 2235 TO 1900, THE PROPELLER WENT DIRECTLY INTO FEATHER. A SAFE PRECAUTIONARY LANDING. UPON INVESTIGATION ALL ENGINE FUNCTIONS WERE FOUND NORMAL EXCEPT THAT THE POSITION.SDR 2004FA0000299Governor · malfunctionedWHILE ON CLIMB OUT AT 2500 RPM AND 25 INCHES, ENGINE RPM SUDDENLY WENT TO 3000 AND PILOT WAS UNABLE HAVE ANY EFFECT WITH PROPELLER CONTROL. AIRCRAFT RETURNED TO AIRPORT USING THROTTLE TO CONTROL RPM. ENGINE CONTROLS WERE ALL FOUND TO BE INTACT AND OPERATING SDR AUS20031135Governor · cracked(AUS) LT PROPELLER GOVERNOR HEAD CRACKED. LOSS OF ENGINE OIL.SDR HYI2003F00018Governor · unserviceableCREW REPORTED, DURING CRUISE LEVEL FLIGHT, 658 ENGINE BEGAN TO SURGE +/- 400 RPM. AFTER REDUCING POWER, AIRCRAFT LANDED WITHOUT INCIDENT. MECHANIC FOUND 6 FT PROP GOVERNOR FAILED. MECHANIC CHANGED GOVERNOR AND RELEASED AIRCRAFT BACK TO SERVICE.(K)SDR CA031016003Line · cracked(CAN) ON APPROACH INTO SEATTLE THE RT ENGINE POWER DECREASED SLOWLY ON ITS OWN. THE CREW SHUTDOWN AND SECURED THE ENGINE. THE AIRCRAFT LANDED UNEVENTFULLY AND WAS TOWED FROM THE RAMP. DURING INVESTIGATION BY MAINTENANCE IT WAS FOUND THAT THE ENGINE WOULD ACTUSDR 2004F00031Governor · stickingNR 1 ENGINE STUCK AT 102 PERCENT RPM, COULD NOT SET CRUISE TQ WITHOUT RPM CLIMBING TO 104 PERCENT RPM. A/C RETURNED TO SKBO AND LANDED. (M)SDR GLBA2003135Governor · malfunctionedRT PROP STARTS TO FEATHER WHEN POWER LEVER IS BROUGHT BACK, REMOVED AND REPLACED PROP GOV.
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