Mooney M20C

Service difficulty reports · 79

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 = 'M20C'
  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 AU990371Hose · failed(AUS) ENGINE OIL COOLER OIL RETURN HOSE FAILED. LOSS OF ENGINE OIL. THE AIRCRAFT WAS SEVERELY DAMAGED DURING THE SUBSEQUENT FORCED LANDING.Feb 21, 1999 · Mooney M20C · Engine Oil CoolerSDR 98ZZZX2443Interconnect · failedOWNER REPORTED VIOLENT NOSEWHEEL SHIMMY ON LANDING ROLL-OUT. INSPECTION REVEALED RUDDER HORN INTERCONNECT, PN 7150, BROKE AT WELD. RESULTANT DAMAGE TO UPPER GEAR STRUCTURE, P/N 5074, WAS NOTED. INSPECTION OF SUBJECT WELD REVEALED THE EVIDENCE OF A PRE-EXISTMay 29, 1998 · N6699U · Mooney M20C · Rudder Control SystemSDR 98ZZZX2051Spar · crackedINSPECTION FOUND CRACKED REAR STUB SPAR. NEEDS C/W MOONEY SB M20-217.May 8, 1998 · N9999S · Mooney M20C · Wing SparSDR 98ZZZX152Line · chafedDURING ANNUAL INSPECTION, FUEL LINE WAS FOUND CHAFED NEARLY THROUGH AT HALF-WAY POINT. CHAFING CAUSED BY CARBURETOR HEAT CONTROL CABLE WHICH PASSES CLOSE TO THIS LINE WHERE IT GOES THROUGH THE FIREWALL. AREA IS VERY DIFFICULT TO INSPECT REQUIRING A MIRROR ANDec 1, 1997 · N78987 · Mooney M20C · Aircraft Fuel Distribution SystemSDR 97ZZZX4581Inspection Cover · wrong sealerALL THE FUEL TANK COVERS HAD THE WRONG TYPE FUEL TANK ACCESS COVER SEALANT. SEALANT WAS RED IN COLOR. SUBMITTER RECOMMENDS INSPECTING THE FUEL SYSTEM. USE A HIGH-OCTANE FUEL RESISTANT SEALANT AS USED IN AD 89-18-08 GULFSTREAM.Oct 7, 1997 · N6021Q · Mooney M20C · Fuel StorageSDR 97ZZZX3974Cam · fracturedPILOT REPORTED ROUGH ENGINE OPS AND HIGH EGT. INSPECTION REVEALED RIGHT MAGNETO CAMSHAFT FRACTURED AND SEPARATED BELOW CAM AT OUTER BUSHING. FRACTURED SURFACE DISPLAYED EVIDENCE OF PREVIOUS FRACTURE. SIXTY HOURS TIME SINCE NEW. AIRCRAFT TOTAL TIME: 2,202.Sep 4, 1997 · N444DJ · Mooney M20C · Magneto/DistributorSDR CA970910009Cylinder · oversize(CAN) PROPELLER RECEIVED FOR CORROSION INSPECTION. THE CYLINDER WAS FOUND TO BE OVERSIZE.Sep 2, 1997 · Mooney M20C · Propeller Hub SectionSDR 97ZZZX4253Governor · faultyINSTALLED 3-BLADE PROPELLER IAW STC SA 4529NM. STC MAKES NO MENTION OF PROPELLER GOVERNOR. AFTER 3 HOURS OF OPERATION, PROPELLER BEGAN SURGING 100-200 RPM FROM 2,400 RPM. AFTER NUMEROUS TESTS, DETERMINED THE EDO AIRE (GARWIN) PROPELLER GOVERNOR CANNOT SUPPLAug 21, 1997 · N3984N · Mooney M20C · Propeller GovernorSDR 97ZZZX3332Fitting · corrodedSUPPORTING STRUCTURES AND ATTACHING RIVETS FOR EMPENNAGE ATTACH FITTINGS PN 350061-7, AND DASH 8, WITH SEVERE CORROSION. CORROSION IN THIS AREA DIFFICULT TO DETECT UNTIL EXTREMELY ADVANCED. NINETY PERCENT OF ATTACHING RIVETS FAILED DUE TO CORROSION. SUSPECTJun 1, 1997 · N73DX · Mooney M20C · Empennage StructureSDR 97ZZZX1361Control Cable · defectiveCABLE WAS MANUFACTURED AND DELIVERED WITHOUT THE FRICTION LOCK COLLAR.Mar 17, 1997 · N101T · Mooney M20C · Power LeverSDR 97ZZZX1849Coupling · failedDUKES LANDING GEAR ACTUATOR RUBBER DRIVE COUPLING CONNECTS TRANSMISSION TO ACTUATOR. COUPLING SPLIT IT IN TWO PLACES DISCONNECTING TRANSMISSION TO ACTUATOR; THUS, PREVENTING ELECTRICAL OR MECHANICAL GEAR EXTENSION, A GEAR UP LANDING FOLLOWED.Feb 1, 1997 · N111JP · Mooney M20C · Landing Gear Retraction/Extension SystemSDR 97ZZZX832Tube · crackedFUSELAGE STEEL TUBE CRACKED .50 INCH FROM AFT WELD LOCATION. CRACK SEPARATION WAS APPROXIMATELY .25 INCH WIDE THROUGH THE TUBE. CRACK WAS DETECTED DURING AN ANNUAL INSPECTION. TUBE ALSO HAD A NOTICEABLE DOWNWARD BEND MID-POINT OF THE TUBE. THE BEND IS APPROJan 1, 1997 · N6230U · Mooney M20C · Fuselage Main, StructureSDR 96ZZZX5351Bracket · corrodedINSPECTION FOUND BOTH FLAP ACTUATOR BRACKETS WITH INNER GRANULAR CORROSION.Oct 3, 1996 · N7150V · Mooney M20C · Trailing Edge Flap ActuatorSDR 96ZZZX5350Bracket · corrodedINSPECTION FOUND BOTH FLAP ACTUATOR BRACKETS WITH INNER GRANULAR CORROSION.Oct 3, 1996 · N7150V · Mooney M20C · Trailing Edge Flap ActuatorSDR 96ZZZX4414Adapter · misinstalledQEM REGULATOR, P/N 20082, WAS NOT AVAILABLE SO A ELECTRODELTA REGULATOR, P/N VR415F, THAT HAS A DIFFERENT CONNECTOR WAS INSTALLED WITH ADAPTER CABLE, P/N 800331-721. THE QEM REGULATOR INTERNAL GROUND ORIGINALLY ATTACHED TO SHELL OF ALUMINUM MS TYPE CANNON PLUAug 2, 1996 · N6980V · Mooney M20C · DC RegulatorSDR 96ZZZX3438Downlock · disengagedDURING GROUND HANDLING AS PLANE WAS BEING PUSHED INTO HANGAR WHEN MAIN GEAR HIT THE HUMP AT HANGAR ENTRANCE, LANDING GEAR DISENGAGED AND AIRCRAFT SLOWLY SETTLED TO GROUND. SUSPECT DOWNLOCK NOT PROPERLY ENGAGED.Jun 24, 1996 · N78981 · Mooney M20C · Landing Gear Retraction/Extension SystemSDR 96ZZZX3370Fitting · rustyON DISASSEMBLY TO CHANGE NLG BISCUITS, FOUND CORROSION INSIDE FITTING WHICH GOES UP THROUGH BISCUITS - MAIN GEAR WERE OK. RUST APPEARS TO HAVE PENETRATED OVER HALF WAY THROUGH TUBE WALL. SUBMITTER RECOMMENDS PERIODIC INSPECTION AND PERIODIC ADDITION OF LINSEJun 11, 1996 · N9313V · Mooney M20C · Nose/Tail Landing GearSDR 96ZZZX2399Filter Screen · splitDURING ANNUAL, OIL PRESSURE SCREEN WAS REMOVED AND CHECKED FOR METAL, ETC. AFTER SCREEN WAS CLEANED IN PARTS WASHER, IT WAS NOTED THE SOLDERED SEAM OF THE INNER FINE MESH SCREEN WAS SPLIT. ON CLOSER INSPECTION, THE OUTER SCREEN SHOWED APPROXIMATELY FOUR STRAFeb 25, 1996 · N7821V · Mooney M20C · Reciprocating Engine Oil SystemSDR AU960060Bolt · broken(AUS) NO3 CYLINDER CONNECTING ROD BOLT BROKE CAUSING OTHER BOLT TO BEND AND THEN BREAK - CONNECTING ROD WAS TORN FROM PISTON - MAJOR INTERNAL DAMAGE TO ENGINE AND CRANKCASEJan 18, 1996 · Mooney M20C · Reciprocating Engine Power SectionSDR 96ZZZX590Truss · brokeAIRCRAFT WAS BEING TAXIED OUT FOR A POST-ANNUAL TEST FLIGHT WHEN THE NOSE GEAR FOLLOWED BY THE RIGHT THEN LEFT MAIN GEAR COLLAPSED. FOUND NOSE GEAR RETRACTION TRUSS HAD FAILED (BROKE) AT THE RIGHT RETRACT ROD. THE ASSY TUBE THAT CANTS INWARD SHOWS SIGNS OF IJan 12, 1996 · N6604U · Mooney M20C · Landing Gear Retraction/Extension SystemSDR 95ZZZX6052Valve · loose crimp nutDURING INSPECTION OF THERMOSTATIC BYPASS VALVE PER LYC SB518C, THE RETAINING NUT WAS FOUND LOOSE AND THE SPRING PRESSURE WAS NOTICEABLY LESS THAN OTHER VALVES PREVIOUSLY INSPECTED. ENGINE TSMOH, 320.0 HOURS.Oct 12, 1995 · N68KH · Mooney M20C · Engine Oil Temperature RegulatorSDR 95ZZZX5759Crankcase · crackedRIGHT CRANKCASE HALF FROM PARTING SURFACE LOWER NR 3 BOLT HOLE HAS 1 EACH .25 INCH CRACK FROM BOLT HOLE TO PARTING SURFACE, AND 1 EACH 1.850 INCH CRACK FROM BOLT HOLE INTO CASE WEBBING. SUBMITTER CANNOT DETERMINE THE CAUSE OF CRACK. NOTE: THE PROPELLER GOVESep 21, 1995 · N639MA · Mooney M20C · Reciprocating Engine Power SectionSDR 95ZZZX4588Hinge Fitting · crackedLOWER ATTACHMENT EAR OF UPPER RUDDER ATTACH HINGE ASSY ON VERTICAL STABILIZER FOUND CRACKED DURING ANNUAL INSPECTION. FURTHER INVESTIGATION REVEALED LOWER EAR OF LOWER HINGE BRACKET, PN 914002-13, OF VERTICAL STABILIZER CRACKED ALSO. IMPROPER RUDDER BOLT INSAug 18, 1995 · N5888Q · Mooney M20C · Rudder StructureSDR 95ZZZX3140Breaker Point · excess wearDURING 100-HOUR PHASE INSPECTION, MAG WAS REPLACED WITH OVERHAULED UNIT. TWO AND ONE-HALF FLIGHT HOURS LATER, MAG FAILED. FOUND CAM FOLLOWER ON BOTH BREAKER POINTS EXCESSIVELY WORN. MAG TIMING OUT OF LIMITS. SUBMITTER SUGGESTS MFG CHANGE FROM PHENOLIC TO PMay 12, 1995 · N6079Q · Mooney M20C · Magneto/DistributorSDR 95ZZZX2968Inlet Duct · wire brokeSUSPECT HARDENED WIRE FROM INLET DUCT BROKE LOOSE AND ENTERED TURBO IMPELLER. SUGGEST WIRE SUPPORTING STRUCTURE BE MOLDED INTO PART TO PREVENT RUST AND BREAKING LOOSE.May 2, 1995 · N7765M · Mooney M20C · Exhaust TurbochargerSDR 95ZZZX1617Seat Track · holes wornSEAT ADJUSTMENT TRACKS (BOTH LT & RT SEATS) HAVE BECOME IMPACTED WITH DUST & CABIN DEBRIS COMBINED WITH TRACK LUBRICANT FILLING THE BLIND HOLES SO THAT THE SEAT LOCKING PINS HAD LITTLE PENETRATION IN SEAT TRACK. THIS POTENTIAL PROBLEM IS COMPOUNDED BY SEAT TRMar 14, 1995 · N9682M · Mooney M20C · Fuselage, Seat/Cargo Attach FittingsSDR 95ZZZX970Longeron · corrodedOWNER BROUGHT ACFT IN FOR LONGERON AND STIFFENER REPLACEMENT. FOUND EXISTING LONGERONS WITH EXTREME INTERGRANULAR CORROSION AND EXFOLIATION. SUBMITTER SUGGESTED THESE SHOULD BE INSPECTED CLOSELY ON TOP AND BOTTOM AT EACH ANNUAL INSPECTION. IF CORROSION IS FFeb 8, 1995 · N6902U · Mooney M20C · Fuselage Main, Longeron/StringerSDR 95ZZZX969Stiffener · corrodedOWNER BROUGHT ACFT IN FOR LONGERON AND STIFFENER REPLACEMENT. FOUND EXISTING LONGERONS WITH EXTREME INTERGRANULAR CORROSION AND EXFOLIATION. SUBMITTER SUGGESTED THESE SHOULD BE INSPECTED CLOSELY ON TOP AND BOTTOM AT EACH ANNUAL INSPECTION. IF CORROSION IS FFeb 8, 1995 · N6902U · Mooney M20C · Fuselage Miscellaneous StructureSDR 95ZZZX601Switch · failedMOVED GEAR SWITCH (HANDLE) TO DOWN POSITION. GEAR REMAINED IN UP POSITION. CYCLED SWITCH UP THEN DOWN AND GEAR MOVED DOWN NORMAL. WHEN OPERATIONAL CHECK PERFORMED, MOVED SWITCH TO GEAR DOWN AND GEAR STAYED UP. WIGGLED SWITCH IN DOWN POSITION AND GEAR CAME Jan 11, 1995 · N9313V · Mooney M20C · Landing Gear Retraction/Extension System
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