Continental IO-520-D

Service difficulty reports · 283

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 = 'IO520D'
  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 CA970325020Tee · cracked(CAN) TEE FITTING UNDER THE LEFT FLOOR CRACKED LOOSING A SMALL AMOUNT OF FUEL. REPLACED.Mar 17, 1997 · Cessna A185E · Aircraft Fuel Distribution SystemSDR CA970421003Line · split(CAN) FUEL LINE FOUND SPLIT, POSSIBLY DUE TO WATER FREEZING INSIDE THE TUBE. FUEL NOT LEAKING DUE TO CHAFE PROTECTION TUBE SEALING CRACK.Mar 7, 1997 · Cessna A185F · Aircraft Fuel Distribution SystemSDR CA970422018Line · chafed(CAN) FUEL LINE IN LEFT LOWER DOORPOST AREA FOUND CHAFING ON A FLAP CONTROL CABLE.Mar 7, 1997 · Cessna A185F · Aircraft Fuel Distribution SystemSDR AU970392Nut · cracked(AUS) NO6 CYLINDER LOWER FORWARD THROUGH BOLT NUT CRACKED DUE TO CADMIUM EMBRITTLEMENTFeb 24, 1997 · Cessna A185F · Reciprocating Engine Power SectionSDR 96ZZZX5890Reinforcement · crackedAT 50 HR INSP, NOTICED REINFORCEMENT CRACKED AT BOTTOM FLANGE WHERE HINGE BOLTS TO STABILIZER. INSTALLED NEW REINFORCEMENT FROM CESSNA. SUBMITTER STATED HINGE BOLTS WERE NOT LOOSE, SO CRACK MUST HAVE OCCURRED DUE TO FATIGUE.Nov 1, 1996 · N9F · Cessna A185F · Horizontal Stabilizer StructureSDR CA961025010Cylinder · separation(CAN) SEPARATION OF #3 CYLINDER. SUSPECT VALVE KEEPERS LET LOOSE.Oct 4, 1996 · Cessna A185F · Reciprocating Engine Cylinder SectionSDR CA961009001Fuel Control · missing stop pin(CAN) PILOT REPORTED LOSS OF SPRING BACK IN MEXTURE FULL RICH POSITION AND REPORTED SOME RISE IN FUEL FLOW AS MIXTURE CONTROL INITIALLY PULLED BACK FROM FULL RICH POSITION. INSPECTION FOUND FULL RICH STOP PIN MISSING.Oct 3, 1996 · Cessna A185E · Fuel Control/Reciprocating EnginesSDR 96ZZZX4373Cylinder · failedNR 4 CYLINDER HEAD SEPARATED FROM BARREL CAUSING ENGINE FAILURE IN-FLIGHT RESULTING IN FORCED LANDING (I-35 SOUTH, SAN ANTONIO). R2 CYLINDER ASSY OPS CHECK OK.Aug 13, 1996 · N9370R · Cessna A188B · Reciprocating Engine Cylinder SectionSDR 96ZZZX5213Cylinder · scoredAT ANNUAL INSPECTION ENGINE COMPRESSION READINGS SHOWED THE FOLLOWING: NR 1, 70/80, NR 2, 58/80, NR 3, 72/80, NR 4, 56/80, NR 5, 64/80, AND NR 6, 70/80. ALL LEAKAGE WAS PAST PISTON RINGS. BORESCOPE INSPECTION REVEALED SCORING ON ALL CYLINDERS. AN INSPECTIOAug 8, 1996 · N1950U · Cessna A185E · Reciprocating Engine Cylinder SectionSDR 97ZZZX2592Crankshaft · failureIN-FLIGHT FAILURE OF CRANKSHAFT RESULTED IN FORCED LANDING. AIRCRAFT WAS DESTROYED. PILOT HAD REPORTED INCREASE IN OIL TEMPERATURE (NOT ABOVE RED LINE, BUT HIGHER THAN NORMAL). NO OTHER SYMPTOMS REPORTED, AND MAINTENANCE COULD NOT IDENTIFY A PROBLEM. ENGINJul 4, 1996 · N185CA · Cessna A185F · Reciprocating Engine Power SectionSDR 96ZZZX3551Spark Plug · electrode looseNEW SPARK PLUG HAS DEFECT, SIDE ELECTRODE LOOSE.Jun 28, 1996 · N11174 · Cessna A185F · Spark Plug/IgniterSDR 96ZZZX3443Support · crackedTHIS AIRCRAFT IS MODIFIED PER STC SA00152W1 AND THE ITEM IS PART OF THE MODIFICATION. THE ENGINE QUIT IN-FLIGHT, AND WAS RESTARTED WITH NO OTHER PROBLEMS. THE PART WAS FOUND CRACKED IN TWO AND WAS THOUGHT TO CAUSE THE MIXTURE CONTROL TO LEAN THE MIXTURE BY LJun 20, 1996 · N5442N · Cessna 182R · Fuel Control/Reciprocating EnginesSDR 96ZZZX3448Support · crackedTHIS AIRCRAFT IS MODIFIED PER STC SA00152W1 AND THE ITEM IS PART OF THE MODIFICATION. THIS SUPPORT WAS CRACKED TWO-THIRDS THE WAY THROUGH; AND, IF HAD BROKEN OFF, WOULD HAVE LET THE FUEL CONTROL UNIT SLIP DOWN AND CAUSE A VERY LEAN MIXTURE AND A POSSIBLE ENGIJun 20, 1996 · N182PG · Cessna 182Q · Fuel Control/Reciprocating EnginesSDR 96ZZZX3380Bolt · failedTHIS THROUGH-BOLT HOLDS CYLINDERS NR 3 AND NR 2 TOGETHER AT TOP OF CLYLINDER, ALSO, BOLT CLAMPS THE CASE TOGETHER. THE THREADS ON THE STUD AND NUT FAILED CAUSING OIL TO LEAK.Jun 10, 1996 · N1473F · Cessna A185F · Reciprocating Engine Power SectionSDR AU960725Cylinder · cracked(AUS) ENGINE CYLINDER CRACKED FROM SPARK PLUG HOLEMay 24, 1996 · Cessna A185F · Reciprocating Engine Cylinder SectionSDR CA960529003Ico Valve · incorrect assy(CAN)MIXTURE CONTROL AND IDLE CUT-OFF INOPERATIVE. UNIT ASSEMBLED INCORRECTLY WITH MIXTURE CONTROL AND I C O VALVE OUT OF THE VALVE BOREMay 15, 1996 · Cessna A185F · Fuel Control/Reciprocating EnginesSDR 96ZZZX2512Lifter · galledWHILE DOING TOP OVERHAUL, FOUND 3 HYDRAULIC LIFTERS PITTED AND GALLED. SUBMITTER RECOMMENDS CLOSER INSPECTION OF LIFTERS AT OVERHAUL.Apr 26, 1996 · N61368 · Cessna A185F · Reciprocating Engine Power SectionSDR CA960327009Mount · cracked(CAN)CRACK FOUND ON THE ENGINE MOUNT BY THE GUSSET PLATE. THE MOUNT WAS REMOVED AND INSPECTED WITH LIQUID PENETRANT AND THE CRACK WAS CONFIRMED.Mar 18, 1996 · Cessna A185F · Engine Mount SectionSDR CA960327003Engine Mount · cracks(CAN)DURING INSPECTION TWO CRACKS WERE FOUND. ONE ON EACH SIDE UNDER THE LORD MOUNT. SUBMITTER SPECULATES THAT WINTER SKI OPERATION MAY HAVE SOMETHING TO DO WITH THE CRACKS.Mar 8, 1996 · Cessna A185F · Engine Mount SectionSDR AU960276Collar · wrong part(AUS) CRANKSHAFT FITTED WITH INORRECT OIL TRANSFER COLLAR - STANDARD COLLAR PNO 626739 FITTED TO M10 CRANKSHAFT RESULTING IN EXCESSIVECLEARANCE - LOG BOOK ENTRY ALSO DETAILED FITMENT OF STANDARD SIZEBEARINGS FITTED ALTHOUGH THE ACTUAL BEARINGS WERE M010 SIZE -Feb 6, 1996 · Cessna A185F · Reciprocating Engine Power SectionSDR 96ZZZX1105Crnakshaft · failedCRANKSHAFT BROKE AFT OF NR 2 MAIN JOURNAL AT OIL TRANSFER TUBE. PARTS SET TO TCM FOR DETERMINATION OF FAILURE. CAUSE WAS DETERMINED TO BE LOW THROUGH-BOLT TORQUE WHICH, IN TURN, CAUSED BEARING TO SHIFT AND CRANKSHAFT TO VIBRATE. AIRCRAFT HAD DEPARTED NORMALJan 26, 1996 · N4691E · Cessna A185F · Reciprocating Engine Power SectionSDR CA960212104Engine · failed(CAN) ENGINE KICKED BACK ON START UP BREAKING THE STARTER ADAPTER. UPON PUTTING THE NEW ADAPTER, THE ENGINE WOULD NOT START. ENGINE REPLACED.Jan 23, 1996 · Cessna A185E · Engine StarterSDR 96ZZZX466Spark Plug · splitFOUND 2 SPARK PLUGS WITH ROUND ELECTRODES SPLIT. SUBMITTER STATED MORE THAN 20 OF THE PART NUMBERS HAVE BEEN FOUND.Jan 15, 1996 · N11174 · Cessna 185F · Spark Plug/IgniterSDR CA951215013Magneto · gear failure(CAN)THE MAGNETO INTERNAL DRIVE GEAR FAILED. THERE WAS NO APPARENT REASON.Dec 7, 1995 · Cessna A185F · Magneto/DistributorSDR 96ZZZX85Connecting Rod · brokeENGINE'S NR 6 ROD BROKE. PISTON PIN BOSS WAS GONE.Nov 23, 1995 · N8H · Cessna A185E · Reciprocating Engine Power SectionSDR 96ZZZX198Fuel Control · bushing wornSTEEL BUSHING HAS WORN AWAY ABOUT 90 PERCENT OF THE THROTTLE ARM. THE BOLT WAS CORRECTLY INSTALLED AND PROPERLY TORQUED. THIS AREA HAS BEEN SUBJECT TO CLOSE INSPECTION AT EACH 100-HOUR INSPECTION SINCE EARLIER REPORTS OF SIMILAR PROBLEMS (CESSNA SEB 95-15), Nov 22, 1995 · N9987N · Cessna A185F · Fuel Control/Reciprocating EnginesSDR 95ZZZX4526Roto Coil · making metalWHEN REPLACING ROCKER COVER GASKETS BECAUSE OF OIL LEAKS, FOUND STEEL SLIVERS IN BOTTOM OF COVERS ON NR 3 AND NR 5 CYLINDERS. SENT SLIVERS TO CONTINENTAL TO BE ANALYZED. WAS INSTRUCTED BY CONTINENTAL TO REPLACE ALL ROTO COILS IN BOTH CYLINDERS. NO METAL FOUAug 29, 1995 · N61423 · Cessna A185F · Reciprocating Engine Cylinder SectionSDR 96ZZZX2160Cylinder · separatedCYLINDER HEAD SEPARATED FROM BARREL ON TAKEOFF CAUSING CONSIDERABLE DAMAGE TO AIRCRAFT, NO INJURIES. DURING REPAIR OF ACFT AND ANNUAL INSP, FOUND ENGINE BAFFLE SEAL MATERIAL EXTREMELY DETERIORATED AND IN A DEFECTIVE CONDITION AND CHT PROBE IN WRONG CYLINDER PAug 19, 1995 · N731VX · Cessna A188B · Reciprocating Engine Cylinder SectionSDR 95ZZZX5985Cylinder · failedDURING AN INSPECTION OF THE ENGINE, THE NR 5 CYLINDER WAS FOUND CRACKED BETWEEN THE TOP SPARK PLUG HOLE AND INJECTOR NOZZLE HOLE. INVESTIGATION REVEALED THE MAGNETO TO ENGINE TIMING WAS 10 DEGREES ADVANCED. AFTER THE NR 5 CYLINDER WAS REMOVED, THE PISTON, PIJun 16, 1995 · N1997U · Cessna A185E · Reciprocating Engine Cylinder SectionSDR 95ZZZX6557Indicator · defectiveWHILE CHECKING MAGNETO TO ENGINE TIMING, DISCOVERED WHEN THE TIMING MARK ON THE ALTERNATOR DRIVE SHEAVE, P/N 635165, WAS LINED UP WITH THE TIMING MARKS ON THE ENGINE TIMING INDICATOR PLATE, THE CRANKSHAFT POSITION WAS 10 DEGREES ADVANCED OF THE POSITION INDICAJun 16, 1995 · N1997U · Cessna A185E · Reciprocating Engine Rear SectionSDR 95ZZZX3264Fuel Pump · defectiveAIRCRAFT EXPERIENCED INTERMITTENT ROUGHNESS. FUEL PRESSURE CHECK SHOWED FLUCTUATING FUEL PRESSURE. REPLACED PUMP, ENGINE RAN SMOOTH WITH NO FLUCTUATION OF FUEL PRESSURE.Jun 12, 1995 · N4446C · Cessna A185F · Engine Fuel PumpSDR 96ZZZX5265Bolt · crackedDURING ATTEMPT TO REMOVE CYLINDERS FROM ENGINE CASE, FOUND HOLD DOWN NUTS HAD BEEN OVERTORQUED AND HAD TO BE DRILLED TO BE REMOVED. FOUND MAIN JOURNAL WEB CRACKS IN CYLINDERS NR 4 AND NR 6. SUBMITTER BELIEVES HOLD DOWN NUTS OVERTORQUE TO BE A FACTOR IN CASE May 5, 1995 · N8999G · Cessna A188B · Reciprocating Engine Power SectionSDR 96ZZZX5266Bolt · crackedDURING ATTEMPT TO REMOVE CYLINDERS FROM ENGINE CASE, FOUND HOLD DOWN NUTS HAD BEEN OVERTORQUED AND HAD TO BE DRILLED TO BE REMOVED. FOUND MAIN JOURNAL WEB CRACKS IN CYLINDERS NR 4 AND NR 6. SUBMITTER BELIEVES HOLD DOWN NUTS OVERTORQUE TO BE A FACTOR IN CASE May 5, 1995 · N8999G · Cessna A188B · Reciprocating Engine Power Section
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