Continental IO-520-M

Service difficulty reports · 187

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 engine_model_key = 'IO520M'
  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 AU990892Control Unit · seized(AUS) BOTH COWL FLAP CONTROLS UNSERVICEABLE. ONE CONTROL SEIZED. ONE CONTROL BROKEN WITH THE 'T' HANDLE REPLACED.Sep 8, 1999 · Cessna 310R · Engine Cowl FlapsSDR AU990893Control Cable · misinstalled(AUS) AILERON CABLES INCORRECTLY INSTALLED AT LEFT AND RIGHT BELLCRANKS IN WINGS. CABLES CROSSED BETWEEN WING STATIONS 47.83 AND 73.50 AND ALSO BETWEEN WING STATIONS 122.50 AND 133.50.Sep 8, 1999 · Cessna 310R · Aileron Control SystemSDR AU991041Pump · faulty(AUS) LEFT MAIN FUEL TANK FUEL TRANSFER PUMP FAULTY. INVESTIGATION FOUND THE PUMP TO BE OPEN CIRCUITED. SUSPECT BURNT OUT CONTACTS.Jul 29, 1999 · Cessna 310R · Fuel Boost PumpSDR AU990735Pump · shorted(AUS) FUEL BOOST PUMP FAULTY. SHORT CIRCUIT AT PUMP BODY CONNECTION. CIRCUIT BREAKER TRIPPED.Jul 28, 1999 · Cessna 310R · Fuel Boost PumpSDR AU990727Seal · faulty(AUS) FUEL TANK CAP SEALS P/N MS29513-10 AND P/N MS29513-232 IN POOR CONDITION. FUEL TANKS CONTAMINATED WITH WATER.Jul 19, 1999 · Cessna 310R · Fuel StorageSDR CA990728058Connecting Rod · bent(CAN) NR 5 CYLINDER CONNECTING ROD BENT CAUSING DAMAGE TO NR 5 AND NR 6 CYLINDER, CRANK, AND CAMSHAFTS.Jul 4, 1999 · Cessna 310R · Reciprocating Engine Cylinder SectionSDR AU990539Pump · seized(AUS) ELECTRIC FUEL PUMPS FAULTY. SUSPECT CONTACTS IN PUMPS ARE WELDING TOGETHER GIVING A LIMITED LIFE.May 22, 1999 · Cessna 310R · Fuel Boost PumpSDR AU990497Bearing · failed(AUS) RT ENGINE NR 1, NR 2 AND NR 3 CONNECTING ROD BIG END BEARINGS WORN. INVESTIGATION FOUND THE STARTER ADAPTER WORM GEAR NEEDLE ROLLER BEARING HAD FAILED CONTAMINATING THE OIL SYSTEM AND PARTIALLY BLOCKING OIL SUPPLY TO THE CONNECTING ROD BIG END BEARINGS.Apr 24, 1999 · Cessna 310R · Reciprocating Engine Rear SectionSDR AU990364Skin · cracked(AUS) WING OUTBOARD SKIN CRACKED IN THE AREA ADJACENT TO THE TIP TANK REAR SUPPORT BRACKET ONTO WING REAR SPAR. FURTHER INVESTIGATION FOUND THE TWO RIVETS ATTACHING THE WING END RIB TO THE REAR SPAR HAD SHEARED ALLOWING THE RIB AND SPAR TO FLEX INDEPENDENTLY Apr 12, 1999 · Cessna 310R · Wing, Plate/SkinSDR AU990327Support · broken(AUS) PROPELLER SPINNER SUPPORT BROKEN IN HALF.Apr 2, 1999 · Cessna 310R · Propeller Spinner SectionSDR AU990689Spacer · misinstalled(AUS) MAIN LANDING GEAR CENTER SCISSOR LINK SPACERS INCORRECTLY INSTALLED CAUSING TOE-IN ON THE MAIN WHEELS LEADING TO RAPID TIRE WEAR.Mar 19, 1999 · Cessna 310R · Main Landing Gear Strut/Axle/TruckSDR AU990690Spacer · missing(AUS) LEFT MAIN LANDING GEAR CENTER SCISSOR LINK SPACERS MISSING. THE SPACERS WERE FOUND LAYING ON TOP OF THE SPAR.Mar 19, 1999 · Cessna 310R · Main Landing Gear Strut/Axle/TruckSDR AU990021Battery · unapproved part(AUS) ELT FAULTY. INVESTIGATION FOUND THAT INCORRECT BATTERIES HAD BEEN FITTED.Jan 13, 1999 · Cessna 310R · Emergency Locator BeaconSDR AU990044Drive Disc · broken(AUS) PROPELLER GOVERNOR FLYWEIGHT DRIVE DISC BROKE IN TWO.Jan 13, 1999 · Cessna 310R · Propeller GovernorSDR 99ZZZX977Wire · chafedDURING ANNUAL INSP, TOP INSP PANEL ON RT WING AUX TANK WAS LEAKING FUEL. AFTER REMOVING, NOTICED FUEL QTY SENDING UNIT WIRES INSIDE THE FUEL TANK WERE EXCEPTIONALLY LONG. FOUND INSULATION CHAFED OFF WIRES AND BARE WIRE SHOWING. NOTICED WIRES WERE CHAFED ON Dec 21, 1998 · N4919A · Cessna 310R · Engine Fuel System WiringSDR CA981202009Link · fractured(CAN) PILOT REPORTED THE GEAR DOOR WAS HANGING DOWN. THE RETRACT LINK THAT LETS THE DOOR FOLLOW THE GEAR WAS FOUND SEVERED.Nov 19, 1998 · Cessna 310R · Landing Gear Door Retract SectionSDR AU981595Switch · failed(AUS) LEFT MAIN LANDING GEAR DOWN LIMIT MICROSWITCH FAILED.Nov 15, 1998 · Cessna 310R · Landing Gear Position and WarningSDR AU981438Strobe · failed(AUS) STROBE LIGHT CIRCUIT BOARD BURNT.Oct 26, 1998 · Cessna 310R · Exterior LightingSDR AU981394Fuel Cell · leaking(AUS) INTERNAL WING FIRE IN LT WING LOCATED IN AREA OF THE BATTERY. DAMAGE TO ELECTRICAL CABLES AND AILERON TRIM CABLES AND PULLEY. SUBMITTER SUSPECTED CAUSE AS IGNITION OF FUEL VAPOR FROM LEAKING/DETERIORATED AUXILIARY FUEL TANKS IN THE WING BEING IGNITED BOct 23, 1998 · Cessna 310R · Fuel StorageSDR AU981373Switch · out of adjust(AUS) NOSE LANDING GEAR MICROSWITCH OUT OF ADJUSTMENT.Oct 15, 1998 · Cessna 310R · Landing Gear Position and WarningSDR AU981483Door · sticking(AUS) EMERGENCY EXIT DOOR WAS UNABLE TO BE OPENED DUE TO IT BEING GLUED IN AND SEALED WITH PLASTIC FILLER.Oct 7, 1998 · Cessna 310R · Emergency ExitsSDR AU981264Switch · broken(AUS) MICROSWITCH LEAF SPRING BROKEN.Sep 24, 1998 · Cessna 310R · Landing Gear Position and WarningSDR AU981294Control Cable · broken(AUS) ELEVATOR TRIM TAB CONTROL CABLE BROKEN AT THE FORWARD PULLEY BELOW THE TRIM WHEEL. PART TC: 6,952.Sep 17, 1998 · Cessna 310R · Elevator Tab Control SystemSDR AU981171Combustor · cracked(AUS) CABIN HEATER COMBUSTION CHAMBER CRACKED IN PREVIOUSLY WELD REPAIRED AREA. PART TC: 660.Sep 16, 1998 · Cessna 310R · Heating SystemSDR AU981199Bolt · cracked(AUS) MAIN LANDING GEAR DOOR RETRACTION LINKAGE BOLT SHEARED. BOLT WAS FOUND TO BE CRACKED AROUND THE THREAD.Sep 1, 1998 · Cessna 310R · Landing Gear Door Retract SectionSDR AU981201Crankshaft · damaged(AUS) CRANKSHAFT FRONT MAIN BEARING JOURNAL SHOWED EVIDENCE OF ARCING FOLLOWING BULK STRIP FOR LIGHTNING STRIKE INSPECTION.Jul 28, 1998 · Cessna 310R · Reciprocating Engine Power SectionSDR 98ZZZX3064Lifter · spalledDURING OIL CHANGE, NOTICED METAL PARTICLES IN FILTER. SENT TO CONTINENTAL AND WAS FOUND TO BE LIFTER PIECES. REMOVED ENGINE FROM SERVICE. HAVE HAD 7 ENGINES WITH PRE-MATURE LIFTER-CAM FAILURE. SUBMITTER STATED THERE ARE 29 SDR'S ON THE SAME LIFTER PART NUMJul 22, 1998 · N5499J · Cessna 310R · Reciprocating Engine Power SectionSDR 98ZZZX3065Lifter · spalledDURING OIL CHANGE, NOTICED METAL PARTICLES IN FILTER. SENT TO CONTINENTAL AND WAS FOUND TO BE LIFTER PIECES. REMOVED ENGINE FROM SERVICE. HAVE HAD 7 ENGINES WITH PRE-MATURE LIFTER-CAM FAILURE. SUBMITTER STATED THERE ARE 29 SDR'S ON THE SAME LIFTER PART NUMJul 22, 1998 · N5499J · Cessna 310R · Reciprocating Engine Power SectionSDR 99ZZZX639Lifter · damagedENGINE REMOVED FROM SERVICE DUE TO METAL CONTAMINATION, DUE TO PREMATURE FAILURE OF TAPPET BODIES.Jul 7, 1998 · N1203W · Cessna 310R · Reciprocating Engine Cylinder SectionSDR 99ZZZX640Lifter · damagedENGINE REMOVED FROM SERVICE DUE TO METAL CONTAMINATION, DUE TO PREMATURE FAILURE OF TAPPET BODIES.Jul 7, 1998 · N1203W · Cessna 310R · Reciprocating Engine Cylinder SectionSDR 99ZZZX641Lifter · damagedENGINE REMOVED FROM SERVICE DUE TO METAL CONTAMINATION, DUE TO PREMATURE FAILURE OF TAPPET BODIES.Jul 7, 1998 · N1545G · Cessna 310R · Reciprocating Engine Cylinder SectionSDR 99ZZZX642Lifter · damagedENGINE REMOVED FROM SERVICE DUE TO METAL CONTAMINATION, DUE TO PREMATURE FAILURE OF TAPPET BODIES.Jul 7, 1998 · N1545G · Cessna 310R · Reciprocating Engine Cylinder SectionSDR AU981197Fitting · cracked(AUS) RIGHT WING SPAR FITTING CRACKED AND CORRODED. PART TC: 12,500.Jul 1, 1998 · Cessna 310R · Wing Miscellaneous StructureSDR AU981198Fitting · cracked(AUS) RIGHT WING SPAR FITTING CRACKED AND CORRODED. PART TC: 12,500.Jul 1, 1998 · Cessna 310R · Wing Miscellaneous StructureSDR AU980308Crankcase · faulty(AUS) CRANKCASE TUNNELS OUT OF LIMITS.Mar 25, 1998 · Reciprocating Engine Power SectionSDR AU980190Pipe · corroded(AUS) CABIN HEATER FUEL LINE CORRODED AND HOLED ON 90 DEGREE BEND.Feb 12, 1998 · Cessna 310R · Heating SystemSDR AU980047Crankcase · cracked(AUS) CRANKCASE CRACKED AROUND OIL FILLER TUBE LOCATING HOLE. CAMSHAF TLOBE WORN.Jan 20, 1998 · Reciprocating Engine Power SectionSDR AU971645Pump · faulty(AUS) FUEL TRANSFER PUMP INTERNAL ELECTRICAL FAULT. FEED THROUGH WIRE BROKEN AT SPOT WELD.Dec 5, 1997 · Cessna 310R · Fuel Boost PumpSDR AU971473Switch · broken(AUS) RH MAIN LANDING GEAR DOWNLOCK MICROSWITCH LEVER BROKEN OFF.Nov 27, 1997 · Cessna 310R · Landing Gear Position and WarningSDR AU971519Torque Link · separated(AUS) LH MAIN LANDING GEAR TORQUE LINK SEPARATED AT THE CENTRE HINGE POINT. THE CENTRE HINGE BOLT COMPLETE WITH NUT, SPLIT PIN, BUSHES AND WASHERS PULLED THROUGH THE LOWER TORQUE LINK. SUSPECT CAUSED BY WORN BUSHES AND/OR IMPROPER SHIMMING OF THE CENTRE HINGE Nov 16, 1997 · Cessna 310R · Main Landing Gear Strut/Axle/TruckSDR AU971433Wire · broken(AUS) LH MAIN LANDING GEAR DOWNLOCK MICROSWITCH WIRE BROKEN.Oct 7, 1997 · Cessna 310R · Landing Gear System WiringSDR AU970768Pipe · mis-installed(AUS) FUEL TRANSFER SYSTEM INCORRECTLY FITTED - FUEL LINES TO THE TRANSFER PUMP WERE REVERSED - PROBLEM FOUND IN BOTH RH AND LH FUEL TANKS - PERSONNEL/MAINTENANCE ERRORJun 30, 1997 · Cessna 310R · Aircraft Fuel Distribution SystemSDR AU970770Pump · worn(AUS) ENGINE DRIVEN FUEL PUMP VANES DAMAGED. SMALL PORTIONS OF THE PUMP BLADES LODGED IN THE RELIEF VALVEJun 24, 1997 · Cessna 310R · Engine Fuel PumpSDR AU970673Crankcase · cracked(AUS) LH CRANKCASE HALF CRACKED AT TOP REAR BELOW LH MAGNETO AND CENTER BETWEEN SPINE AND NO2 CYLINDER - CRACK LENGTH 76.2MM(3IN) RUNNING FORE AND AFTJun 12, 1997 · Cessna 310R · Reciprocating Engine Power SectionSDR AU970650Washer · faulty(AUS) MAIN LANDING GEAR SCISSOR LINK CENTRE BOLT PULLED THROUGH LOWER LINK ALLOWING WHEEL TO ROTATE LATERALLY - DURING LANDING THE TYRE AND TUBE BLEW OUT - SUSPECT CAUSED BY FAULTY WASHER AND/OR BUSHINGJun 10, 1997 · Cessna 310R · Main Landing Gear Strut/Axle/TruckSDR AU970859Elt · failed(AUS) ARTEX ELT CRACKED AND BATTERY LEAKING CAUSING CORROSION - ELT HAD ONLY BEEN FITTED ON 27 FEB 1997 FOLLOWING SIMILAR CRACKING OF THE PREVIOUS ELTMay 29, 1997 · Cessna 310R · Emergency Locator BeaconSDR AU970583Crankcase · cracked(AUS) LH AND RH CRANKCASE HALVES CRACKED IN AREA OF NO1 AND NO4 CYLINDER BASE FLANGEMay 21, 1997 · Cessna 310R · Reciprocating Engine Power SectionSDR 97ZZZX1947Crankcase · crackedDURING A 100-HOUR INSPECTION, MECHANIC HAD REMOVED THE NR 5 CYLINDER TO REPLACE A BROKEN STUD AND NOTICED CYLINDER HAD BEEN CHAFING. A CLOSER INSPECTION REVEALED THE CRANKCASE WAS CRACKED ON THE CYLINDER MOUNT PAD AROUND THE LOWER RIGHT STUD. ONE CRACK RAN IApr 17, 1997 · N5133J · Cessna 310R · Reciprocating Engine Power SectionSDR 97ZZZX1948Stud · brokenDURING A 100-HOUR INSPECTION, MECHANIC NOTICED UPPER RIGHT (MOST AFT) STUD WAS BROKEN ON THE NR 4 CYLINDER PAD. THE STUD WAS BROKEN FLUSH WITH CYLINDER BASE. SUBMITTER SUSPECTS TIME IN SERVICE IS THE MAIN CAUSE FOR BREAKAGE OF THIS STUD. THERE IS NO WAY TO Apr 17, 1997 · N5133J · Cessna 310R · Reciprocating Engine Power SectionSDR AU970232Wire · broken(AUS) RH MAIN LANDING GEAR MICROSWITCH EARTH WIRE BROKENMar 18, 1997 · Cessna 310R · Landing Gear System Wiring
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