Mooney M20J

Service difficulty reports · 185

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 = 'M20J'
  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 96ZZZX3325Cylinder · crackedFOUR NEW LW-12993 CYLINDERS HAVE CRACKS AT THE ROCKER BOX DRAIN FITTING BOSS. THESE CRACKS OCCUR AT A CASTING FLAW. THIS MAY BE CAUSED BY THE TAPERED THREAD OF THE MS-20823-6D ELBOW FITTING.Jun 18, 1996 · N201RP · Mooney M20J · Reciprocating Engine Cylinder SectionSDR 96ZZZX3324Cylinder · crackedFOUR NEW LW-12993 CYLINDERS HAVE CRACKS AT THE ROCKER BOX DRAIN FITTING BOSS. THESE CRACKS OCCUR AT A CASTING FLAW. THIS MAY BE CAUSED BY THE TAPERED THREAD OF THE MS-20823-6D ELBOW FITTING.Jun 18, 1996 · N201RP · Mooney M20J · Reciprocating Engine Cylinder SectionSDR 96ZZZX3323Cylinder · crackedFOUR NEW LW-12993 CYLINDERS HAVE CRACKS AT THE ROCKER BOX DRAIN FITTING BOSS. THESE CRACKS OCCUR AT A CASTING FLAW. THIS MAY BE CAUSED BY THE TAPERED THREAD OF THE MS-20823-6D ELBOW FITTING.Jun 18, 1996 · N201RP · Mooney M20J · Reciprocating Engine Cylinder SectionSDR 96ZZZX4421Pump · failedAIRCRAFT FORCED LANDING DUE TO FUEL STARVATION TO ENGINE. INVESTIGATION REVEALED THAT NO FUEL COULD BE PUMPED THROUGH THE ENGINE DRIVEN PUMP. APPEARED TO BE BLOCKED INTERNALLY. NO OTHER DEFECTS WERE FOUND IN THE FUEL SYSTEM. ALL SCREENS WERE FOUND TO BE CLJun 16, 1996 · N5774J · Mooney M20J · Engine Fuel PumpSDR 96ZZZX3212Control Cable · brokenDURING A ROUTINE CHECK RIDE, PILOT COULD NOT EMERGENCY EXTEND THE GEAR. GEAR WAS EXTENDED ELECTRICALLY WITHOUT INCIDENT. DURING INSPECTION OF GEAR EMERGENCY CABLE ASSY, FOUND A BROKEN SWAGE FITTING AT GEAR MOTOR. CABLE ASSY WAS REPLACED. NO FURTHER ACTION May 30, 1996 · N201QK · Mooney M20J · Landing Gear Retraction/Extension SystemSDR AU960787Screw · failed(AUS) PROPELLER CYLINDER RETAINING SCREWS (3OFF14) BROKEN - OTHER SCREWS (9OFF14) LOOSE - SUSPECT INSUFFICIENT TORQUE ON SCREWS AT LAST INSTALLATION - SOME FRETTING DAMAGE TO GASKETMay 16, 1996 · Mooney M20J · Propeller AssemblySDR 96ZZZX4825Magneto · defectiveINSPECTED MAG IAW 500-HOUR INSPECTION AT 1,057 HRS TTSN AND FOUND DISTRIBUTOR BLOCK DRIVEN GEAR BEARING BROKEN LOOSE FROM BLOCK (BROWN BLOCK). REPLACED WITH 10-682054 BLOCK. ENGINE STILL HAD ACCEPTABLE MAG DROP. APPROXIMATELY 500 HRS SINCE LAST 500-HOUR COMPMay 4, 1996 · N91307 · Mooney M20J · Magneto/DistributorSDR 96ZZZX2515Magneto · misinstalledENGINE FAILURE OCCURRED UPON REACHING 4,500 FEET. EMERGENCY LANDING AT AIRPORT WAS MADE. INVESTIGATION DETERMINED MAGNETO HAD FALLEN OFF ENGINE. INSPECTION REVEALED MAGNETO HAD BEEN REMOVED 4 MONTHS EARLIER TO C/W AD 78-09-07RE. UPON REINSTALLATION OF MAGNApr 13, 1996 · N4244H · Mooney M20J · Magneto/DistributorSDR 96ZZZX2374Starter · screws failedSTARTER FRAME TO GEAR HOUSING SCREWS SHEARED ALLOWING REAR OF STARTER TO DROP JAMMING MIXTURE CONTROL AT SERVO.Apr 12, 1996 · N57413 · Mooney M20J · Engine StarterSDR AU960334Mlg · cracked(AUS) MAIN LANDING GEAR LEG ASSEMBLY PNO 540004-501 CRACKED ADJACENT TO BOTTOM WELD ATTACHING LOWER PIVOT SUPPORT PLATE TO CROSS TUBE -TRUSS ASSEMBLY PNO 540001-503 DIAGONAL TUBES CRACKED ADJACENT TO WELDSMar 13, 1996 · Mooney M20J · Main Landing Gear Strut/Axle/TruckSDR 96ZZZX5233Plate Assy · rivets faultyWHILE C/W AD 95-26-16R1, FOUND 2 OF THE 4 RIVETS SECURING PLATE ASSY 600355-507 MISSING HEAD. APPARENTLY WORN AWAY BY CHAFING AGAINST RIVETS THAT SECURE DOUBLER TO AIR BOX. RECOMMEND ANTI-CHAFE MATERIAL OR REPLACING RIVETS WITH FLUSH HEADS.Jan 18, 1996 · N9138Z · Mooney M20J · Engine Air Intake SystemSDR CA960126032Tube Structure · corroded(CAN)CORROSION FOUND ON AIRCRAFT TUBULAR STRUCTURE IN AREAS OF PILOTS VENT WINDOWS AND BELOW BOTH AIR VENTS ON THE SIDES OF THE AIRCRAFT. CORROSION ALSO FOUND ON THE OVERHEAD TUBE BY THE AIR VENT.Jan 11, 1996 · Mooney M20J · Fuselage Miscellaneous StructureSDR 96ZZZX462Door · wornDURING C/W AD 95-26-16, RIVETS HOLDING NUTPLATE TO ALTERNATE AIR DOOR WERE FOUND LOOSE ALLOWING NUTPLATE TO WEAR THROUGH APPROXIMATELY ONE-HALF OF THICKNESS AT THE DOOR. MOONEY SB M20-250B AND SB M20-253A AND AD 95-26-16R1, ADDRESS THIS PROBLEM.Jan 9, 1996 · N4566H · Mooney M20J · Engine Air Intake SystemSDR 96ZZZX163Mount · crackedDURING A ROUTINE ENGINE CHANGE, THE ENGINE MOUNT WAS FOUND CRACKED AT THE RT LOWER ATTACHMENT TO FIREWALL, AS WOULD BE VIEWED FROM BEHIND AIRCRAFT.Dec 14, 1995 · N189ER · Mooney M20J · Engine Mount SectionSDR 95ZZZX6911Valve · seizedPRIOR TO TAKEOFF WHILE SWITCHING FROM LEFT TO RIGHT FUEL TANK, THE SELECTOR VALVE FROZE IN THE RIGHT TANK POSITION.Nov 30, 1995 · N201BS · Mooney M20J · Fuel Selector/Shut-Off ValveSDR 96ZZZX35Hose · failedAFTER PERFORMING AN ANNUAL INSPECTION WHICH INCLUDED CHANGING THE VACUUM SYSTEM CENTRAL AIR FILTER, THE ACFT DIVERTED FROM ITS FLIGHT PLAN TO MAKE A PRECAUTIONARY LANDING DUE TO A HORIZON GYRO FAILURE. FOUND ONE OF THE LATEX TUBES USED AS A VACUUM LINE IN THENov 27, 1995 · N9119Y · Mooney M20J · Vacuum Distribution SystemSDR 95ZZZX6768Bolt · rustedENGINE MOUNT UPPER ATTACH POINTS TO FIREWALL; FOUND FRETTING CORROSION IN AREA. BOLTS HAD WORKED LOOSE AND BOLTS WERE RUSTING AND HAD SERIOUS PITTING.Nov 22, 1995 · N1173A · Mooney M20J · Engine Mount SectionSDR 95ZZZX6418Spring · brokenWHILE USING SPEED BRAKES IN IMC CONDITION, PILOT REPORTED AIRCRAFT MADE HARD LEFT TURN. IT WAS LATER DETERMINED THE RETURN SPRING DID NOT ALLOW THE SPEED BRAKE IN ONE WING TO FULLY RETRACT CAUSING THE TURN SITUATION. THE RETURN SPRING WAS BROKEN AND WOULD NOOct 31, 1995 · N201SQ · Mooney M20J · Drag Control SystemSDR 95ZZZX6531Valve · detachedAIRCRAFT SUFFERED ENGINE POWER LOSS ON TAKEOFF ROLL. PILOT ABORTED TAKEOFF AND STOPPED TAKEOFF ROLL ON RUNWAY. INSPECTION REVEALED ALTERNATE AIR VALVE HAD COME LOOSE. NUT AND COTTER PIN WERE MISSING. VALVE ROLLED DOWN INSIDE INDUCTION AIR DUCT AND BLOCKED Oct 24, 1995 · N193ER · Mooney M20J · Engine Air Intake SystemSDR 95ZZZX5977Wheel · wrong partHAD TO REMOVE WRONG NOSE WHEEL. AIRCRAFT CALLS FOR CLEVELAND WHEEL, P/N 40-87. ALSO, FOUND SEVERE CORROSION AND WRONG BOLTS AND NUTS.Oct 5, 1995 · N201EL · Mooney M20J · Wheel/Ski/FloatSDR 95ZZZX4598Motor · brush brokenAIRCRAFT HAD A GEAR UP LANDING. FOUND A BRUSH BROKEN IN THE LANDING GEAR ACTUATOR MOTOR.Sep 1, 1995 · N201WB · Mooney M20J · Landing Gear ActuatorSDR 95ZZZX4379Speed Brake · malfunctionedAIRCRAFT TAXIED TO RAMP, SHUT DOWN ALL SYSTEMS. SPEED BRAKE STAYED IN THE FULL UP. THIS WAS ONLY ONE SPEED BRAKE ON ONE SIDE. AIRCRAFT WILL ROLL AT HIGH SPEED, BUT NOT TO0 BAD AT LOW SPEEDS WITH ONE SPEED BRAKE EXTENDED.Aug 22, 1995 · N40BK · Mooney M20J · SpoilersSDR 95ZZZX4186Ident Plate · damagedALUMINUM FOIL INDENTIFICATION PLATE WAS TORN WHEN MAGNETO WAS RECEIVED FOR REPAIR. CORRECTIVE ACTION WAS TO INSTALL A NEW IDENTIFICATION PLATE WITH CORRECT MAGNETO IDENTIFICATION DATA. IT IS EXPECTED THE NEW IDENTIFICATION PLATE WILL EXPERIENCE THE SAME CONDJul 20, 1995 · N195ER · Mooney M20J · Magneto/DistributorSDR 95ZZZX4006Relay · trip breakerA.C. INTERMITTENT TRIP 5 AMP CIRCUIT BREAKER WHEN FLAP HANDLE MOVED TO TAKEOFF POSITION OR FULL FLAPS. THEN, WHEN POWER WAS TURNED ON, CIRCUIT BREAKER WOULD POP. MOONEY HAS A NEW FLAP RELAY REPLACEMENT, PN 800376-503. VERY HARD TO TROUBLESHOOT BECAUSE THIS Jun 22, 1995 · N205PP · Mooney M20J · Trailing Edge Flap Control SystemSDR 95ZZZX4269Contact Assy · wornWHEN MAGNETO WAS UNDERGOING PRELIMINARY INSPECTION, THE CONTACT ASSEMBLY WAS FOUND PITTED AND THE CAM FOLLOWER WAS EXCESSIVELY WORN. SOME CAM FOLLOWER MATERIAL HAD TRANSFERRED TO THE OUTER FELT OF THE CONTACT ASSEMBLY. A THIN DARK COATING WAS FOUND ON THE MAJun 6, 1995 · N193ER · Mooney M20J · Magneto/DistributorSDR 95ZZZX2702Valve · loose crimp nutREMOVED VALVE FOR INSPECTION IAW LYCOMING SB 518C, AND FOUND CRIMP NUT LOOSE. INSTALLED NEW VALVE, PN 53E19600, SN 64169, IN ORDER TO RELIEVE FURTHER INSPECTIONS REQUIRED IF VALVE HAD BEEN REWORKED IAW LYCOMING SI 1423. SUBMITTER BELIEVES IT IS MORE DESIREABMay 15, 1995 · N201SQ · Mooney M20J · Engine Oil Temperature RegulatorSDR 95ZZZX2696Contact Assy · wornMAGNETO WAS REMOVED FROM THE AIRCRAFT AFTER MAGNETO TIMING CHECK INDICATED MAGNETO INTERNAL TIMING WAS OFF BY 10 DEGREES. MAGNETO DISASSEMBLY INSPECTION REVEALED EXCESSIVE CAM FOLLOWER WEAR. CAM FOLLOWER ALSO APPEARED MELTED. CONTINUED OPERATION WOULD HAVE May 3, 1995 · N189ER · Mooney M20J · Magneto/DistributorSDR 95ZZZX2417Sender · float detachedWHILE TROUBLESHOOTING AN INACCURATE FUEL QUANTITY PROBLEM, DISCOVERED THE PLASTIC FLOAT ON THE END OF THE FUEL SENDER ARM HAD COME OFF AND WAS FLOATING IN THE FUEL TANK. THE FLOAT IS RETAINED BY A WASHER AND CRIMPING OF THE END OF THE SHAFT. THE CRIMP WAS INMay 1, 1995 · N5211Z · Mooney M20J · Fuel Quantity SensorSDR 95ZZZX2436Tappet · failedTAPPET BODIES BROKE AT THE TOP WHERE THEY RIDE ON THE CAM. PARTS OF TAPPETS THEN LODGED BETWEEN THE CAM AND CASE CAUSING A CRACK IN THE CASE, ALSO, DAMAGE TO PISTONS, RODS, CRANK, AND CAM, RESULTING ENGINE FAILURE.Apr 30, 1995 · N4145H · Mooney M20J · Reciprocating Engine Power SectionSDR 95ZZZX2964Air Filter · gasket failedAIR FILTER BOX WAS REMOVED TO DETERMINE IF MOONEY SB M20-250A NEEDED TO BE DONE. THE AIR FILTER BOX GASKET WAS MISSING ON BOTH SIDES; THE TOP AND BOTTOM WAS STILL THERE. AD 95-3-2 DOES NOT APPLY TO THIS AIR FILTER. THERE IS NO LOG BOOK ENTRY OR 337 FOR THISApr 28, 1995 · N4264H · Mooney M20J · Engine Air Intake SystemSDR 95ZZZX2963Air Filter · gasket failedUPON INSPECTION FOR AN ANNUAL INSPECTION, FOUND AIR FILTER GASKET TORN FROM INB BOLT HOLE, UP TO CORNER AND OUTB ABOUT ONE-HALF THE LENGTH. THIS TORN SECTION WAS STUCK TO ENGINE BAFFLE. REST OF GASKET STILL ON AIR FILTER BOX. AD 95-3-2 DOES NOT APPLY TO THIApr 28, 1995 · N4212H · Mooney M20J · Engine Air Intake SystemSDR 95ZZZX2741Computer · malfunctionAUTOPILOT CLIMBS IN ALTITUDE HOLD WHEN TRANSMITTING ON EITHER COM'S ON LOWER FREQUENCY BAND. FACTORY IS STILL WORKING ON THE PROBLEM.Apr 10, 1995 · N210WE · Mooney M20J · Autopilot ComputerSDR 95ZZZX2038Control Link · crackedPILOT SQUAWKED AILERONS FELT FUNNY. INVESTIGATION FOUND THE RIGHT AILERON COULD TRAVEL FURTHER THAN THE STOP. REMOVAL OF THE BELLY PAN REVEALED THE RIGHT CONTROL ROD WAS CRACKED IN HALF JUST OUTBOARD OF THE BELLCRANK FOR THE AILERONS. SUSPECT CAUSE IS (AN IApr 1, 1995 · N5783D · Mooney M20J · Elevator Control SystemSDR 95ZZZX1710Ident Plate · damagedALUMINUM FOIL IDENTIFICATION PLATE FOUND TORN WHEN MAGNETO WAS RECEIVED FOR REPAIR. CORRECTIVE ACTION WAS TO INSTALL A NEW, PN 10-400006, IDENTIFICATION PLATE. IT IS EXPECTED THE NEW IDENTIFICATION PLATE WILL EXPERIENCE THE SAME CONDITION THAT LED TO DAMAGE Mar 8, 1995 · N194ER · Mooney M20J · Magneto/DistributorSDR 95ZZZX3532Computer · malfunctionedAUTOPILOT CLIMBS IN ALTITUDE HOLD WHEN TRANSMITTING ON LOWER FREQUENCY BAND ON BOTH COMMS. CHECKED COMPUTER FOR SL CSL95-02. IT WAS INSTALLED. NOTIFIED FACTORY FOR CORRECTIVE ACTION.Jan 20, 1995 · N210WE · Mooney M20J · Autopilot Computer
Back to Mooney M20J