Continental IO-550-C

Service difficulty reports · 128

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 = 'IO550C'
  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 2026FA0000145Fuel Line · crackedDURING A ROUTINE OIL CHANGE, FOUND TWO FUEL INJECTION LINES WITH CRACKED SOLDER JOINTS AND WERE SPRAYING FUEL IN-FLIGHT. INJECTION LINES WERE IN CYLINDERS NR 1 AND NR 4.Feb 9, 2026 · N747PH · Beech 58 · Aircraft Fuel Distribution SystemSDR 2025FA0000012Mount · damagedTHIS AIRCRAFT WAS MANUFACTURED IN 2014 (10 YEARS OLD). ON DECEMBER 31ST, 2024 THE LEFT ENGINE WAS REMOVED FOR AN ENGINE CHANGE. I FOUND THE ENGINE MOUNT ISOLATORS, PN: J-10778-16, HAD BEEN INSTALLED INCORRECTLY FROM THE FACTORY, WHICH RESULTED IN DAMAGED ANDJan 9, 2025 · N158YB · Raythn G58RAYTHEON · Engine Mount SectionSDR 2024FA0000768Fuel Cell · delaminatedLEFT 40 GALLON INBOARD FUEL BLADDER DELAMINATION AFTER INSTALLED NEW IN DECEMBER OF 2023. RIGHT HAND 40 GALLON FUEL BLADDER DELAMINATED AND LEAKED IN MAY OF 2024 AFTER INSTALLED NEW IN DECEMBER OF 2023.Oct 11, 2024 · N83KK · Beech 58A · Fuel StorageSDR Q5QA20230525005Magneto · damagedDURING A PRE-TAKE OFF MAGNETO CHECK THE PILOT OBSERVED HIS #2 ENGINE RIGHT MAGNETO HAD A 1100 RPM DROP AND WAS FAILING HIS MAGNETO CHECK. THE PILOT THEN RETURNED THE BEECH BARON 58 TO MAINTENANCE. THE MAINTENANCE TEAM COMPLETED A RUN-UP OF THE AIRCRAFT CONFIRMMay 25, 2023 · N14JH · Beech 58 · Magneto/DistributorSDR Q5QA20230222003Doubler · crackedDURING AN INSPECTION OF THE TAIL SECTION OF N36TA, THE AFT-MOST FUSELAGE BULKHEAD ASSEMBLY, FS 272.0, WAS NOTED CRACKED AT THE LEFT LOWER AND RIGHT LOWER RADII ONLY ON THE DOUBLER P/N 002-440024-11 (SEE ATTACHED PHOTO).Feb 20, 2023 · Beech 58 · Fuselage Main, BulkheadSDR Q5QA20230215001Bulkhead · crackedDURING AN INSPECTION OF THE TAIL SECTION OF N2143J, THE AFT-MOST FUSELAGE BULKHEAD ASSEMBLY, FS 272.0, WAS NOTED CRACKED AT THE LEFT LOWER AND RIGHT LOWER RADII.Feb 15, 2023 · N2143J · Beech 58 · Fuselage Main, BulkheadSDR 2022FA0000741Crankshaft · crackedOIL LEAK, TROUBLESHOT AND FOUND CRANKSHAFT, PROPELLER FLANGE CRACKED 1/2 WAY AROUND CIRCUMFERENCE. ENGINE IS NEW WITH 13.6 HOURS ON IT.Dec 6, 2022 · N7293R · Beech 58 · Reciprocating Engine Power SectionSDR 2022FA0000282Propeller · activePROPELLER BLADE BROKE OFF AT END OF DE-ICE BOOT 16 INCH FROM ROOTJun 9, 2022 · N78KL · Beech 58 · Propeller Blade SectionSDR Q5QA20220127001Piston Pin · brokenDURING A CYLINDER CHANGE FOUND THE PISTON PIN ALUMINUM END CAP PLUG WAS BROKEN IN TWO PIECES. THERE WAS NO ABNORMAL WEAR ON THE CONNECTING ROD PISTON PIN BUSHING, AND THE BUSHING DIMENSIONS ARE WITHIN SPEC. NO METAL CONTAMINATION WAS FOUND IN THE FILTER OR ENGJan 27, 2022 · N96WE · Beech 58 · Engine (Reciprocating)SDR 2018FA0000535Throttle Arm · wornDURING DESCENT, PILOT REPORTED NO THROTTLE CONTROL TO R/H ENGINE. REMOVED COWLING, INSPECTED THROTTLE ARM AND FOUND SPLINES WORN BEYOND SERVICE. CONTINENTAL MOTORS CRITICAL SERVICE BULLETIN CSB08-03C ADDRESSES THIS ISSUE. THIS ENGINE AND COMPONENTS ARE ONLY 23Dec 19, 2018 · N555MC · Raythn G58RAYTHEON · Power LeverSDR Q5QA2018122808Stringer · crackedINSPECTION DISCLOSED WING STRINGER ON LOWER RH WING WAS CRACKED INBOARD AND OUTBOARD OF RIB AT W.S 108.5Dec 7, 2018 · N910SA · Beech 58 · Wing, Longeron/StringerSDR 2018FA0000502Bladder · contaminatedON G58 BARON S/N TH-2474, OPERATOR STARTED NOTING CONTINUALLY CLOUDY SUMP FUEL FROM LEFT INBOARD SUMP, APPROXIMATELY 100 HOURS AFTER AIRCRAFT WAS DELIVERED NEW WITH RELIABLE FUELING LOCATION. FUEL SAMPLE WAS SENT TO BEECH FOR ANALYSIS. SUBSTANCE WAS DETERMINEDDec 4, 2018 · N951MB · Beech 58 · Fuel StorageSDR Q5QA2018122809Spar · crackedINSPECTION DISCLOSED LEFT FLAP SPAR WAS CRACKED ALONG UPPER FLANGE CORNER AT OUTBOARD FLAP TRACK BRACKETRY.Sep 14, 2018 · N1065B · Beech 58 · Trailing Edge FlapsSDR VRXR20180822002Stud · pulledSTUD PULLED OUT OF TACH DRIVE HOUSING COVER ALLOWING OIL TO LEAK OUT ONTO EXHAUST CAUSING SMOKE AND THE FLIGHT TO RETURN TO THE AIRPORT IMMEDIATELY AFTER TAKEOFF. THE THREADS WERE PULLED OUT POSSIBLY FROM REPETITIVELY REMOVING BRACKET FROM THE Y PIPE DURING Aug 8, 2018 · N858PB · Beech 58 · Manifold Pressure (MP) IndicatingSDR Q5QA201807131006Drive Coupling · wornDURING A ROUTINE INSPECTION OF THE ALTERNATOR DRIVE HUB, THE INSPECTOR NOTED THE CASTELLATED NUT RETAINING THE DRIVE HUB WAS LOOSE (THE COTTER PIN THROUGH THE CASTELLATED NUT WAS STILL IN PLACE). INSPECTION AFTER REMOVAL OF THE DRIVE HUB ASSEMBLY DISCLOSED EXJul 10, 2018 · N910SA · Beech 58 · AC Generator-AlternatorSDR Q5QA201807131007Wire · brokenTHE LT ALTERNATOR WAS REMOVED FOR ROUTINE INSPECTIONS. AFTER REMOVING THE COVER FROM THE BACK OF THE ALTERNATOR, THE TECHNICIAN NOTED SOME GREEN DISCOLORATION ON ONE OF THE DIODES. FURTHER INVESTIGATION DISCLOSED THE DIODE WIRE WAS BROKEN OFF OF THE DIODE BAJul 10, 2018 · N910SA · Beech 58 · Electrical Power System WiringSDR Q5QA2018070605Alternator · defectivePILOT REPORTED LT ALTERNATOR WAS INTERMITTENT (INDICATOR LIGHT WAS FLASHING). INSPECTION DISCLOSED A CRACKED SOLDER JOINT ON THE ALTERNATOR AT THE BASE OF THE A+ OUTPUT TERMINAL.Jul 6, 2018 · N36TA · Beech 58 · DC Generator-AlternatorSDR Q5QA20180501303Spar Web · crackedDURING A ROUTINE INSPECTION, THE FORWARD CARRY-THRU SPAR AFT WEB WAS FOUND TO HAVE A SMALL CRACK IN THE UPPER RH CORNER. BEECHCRAFT FRONT SPAR CARRY THRU STRUCTURE REINFORCEMENT DOUBLER KIT 58-4008 HAD BEEN PREVIOUSLY INSTALLED. REPAIRS REQUIRED INSTALLATIONApr 23, 2018 · N1065B · Beech 58 · Wing Main, Frame StructureSDR Q5QA201805010202Spar · crackedDURING A ROUTINE INSPECTION, THE FORWARD CARRY-THRU SPAR AFT WEB WAS FOUND TO HAVE A SMALL CRACK IN THE UPPER RH CORNER. BEECHCRAFT FRONT SPAR CARRY THRU STRUCTURE REINFORCEMENT DOUBLER KIT 58-4008 HAD BEEN PREVIOUSLY INSTALLED. REPAIRS REQUIRED INSTALLATIONApr 2, 2018 · N525TM · Beech 58 · Wing SparSDR 20171212006Distributor Gear · wornRIGHT ENGINE STARTED RUNNING A BIT ROUGH. VISUALLY INSPECTED MAGNETOS AND REMOVED RIGHT MAGNETO FOR INSPECTION. DISCOVERED WORN DISTRIBUTOR GEAR. REPLACED MAGNETO WITH OVERHAULED UNIT OF SAME TYPE.Dec 8, 2016 · N98904 · Cessna 310R · Magneto/DistributorSDR Q5QA20161115005Channel · crackedWHILE PERFORMING A ROUTINE INSPECTION, CRACKS WERE NOTED ON A LATERAL CHANNEL IN THE TAIL SECTION OF THE FUSELAGE. CRACKS WERE APPEARING ON THE UPPER LT AND RT CORNERS AT THE CUTOUT RELIEFS. THIS AREA IS DIFFICULT TO VIEW AND ANY DEFECTS EASILY OVERLOOKED.Nov 15, 2016 · N3267N · Beech 58 · Fuselage Miscellaneous StructureSDR Q5QA20161108003Channel · crackedWHILE PERFORMING A ROUTINE INSPECTION, CRACKS WERE NOTED ON A LATERAL CHANNEL IN THE TAIL SECTION OF THE FUSELAGE. CRACKS WERE APPEARING ON THE UPPER LT AND RT CORNERS AT THE CUTOUT RELIEFS.Nov 8, 2016 · N2143J · Beech 58 · Fuselage Miscellaneous StructureSDR Q5QA2016110704Channel · crackedWHILE PERFORMING A ROUTINE INSPECTION, CRACKS WERE NOTED ON A LATERAL CHANNEL IN THE TAIL SECTION OF THE FUSELAGE. CRACKS WERE APPEARING ON THE UPPER LT AND RT CORNERS AT THE CUTOUT RELIEFS.Nov 7, 2016 · N96WE · Beech 58 · Fuselage Miscellaneous StructureSDR 2016FA0000499Cylinder · corrodedTHE CYLINDER BARREL HAD RUST AT THE INSIDE TOP OF THE CYLINDER AND A SPOT OF RUST 1/4 TO 1/2 DOWN INSIDE OF THE CYLINDER.Oct 13, 2016 · N5ZR · Beech 58 · Reciprocating Engine Cylinder SectionSDR 2016FA0000488Wire Harness · chafedDURING AVIONICS MODIFICATIONS ON THIS AIRCRAFT, THE TECHNICIAN NOTED A BLACKENED STRINGER (LOCATED ON THE RIGHT SIDE OF THE FUSELAGE, ADJACENT TO THE INSTRUMENT PANEL GLOVE BOX) WITH A WIRE BUNDLE LAYING HARD AGAINST IT. FURTHER INVESTIGATION DISCLOSED A 4 AWOct 7, 2016 · N525TM · Beech 58 · Electrical Power System WiringSDR CA150121006Shaft · failed(CAN) DURING A STUDENT IFR FLIGHT IN VFR CONDITIONS THE INSTRUCTOR NOTED THAT THERE WASN`T ANY INSTRUMENT PRESSURE FROM EITHER ENGINE. UPON INSPECTION WE NOTICED THAT BOTH PRESSURE PUMPS HAD SHEARED THEIR SHAFTS. WE COULD NOT FINE ANY OBSTRUCTIONS. ALL LINES WJan 20, 2015 · Beech 58 · Pneumatic Distribution SystemSDR 2014FA0000698Bearing · failedLEFT ENGINE, RT MAGNETO FAILED. MAGNETO WAS REMOVED AND SENT FOR REPAIR. MAGNETO WAS DISASSEMBLED, FOUND BEARING WELDED TO ROTOR SHAFT AND INTERNAL COMPONENTS DAMAGED BEYOND REPAIR. PREMATURE FAILURE OF BEARING DUE TO LACK OF LUBRICATION OR DEFECT. MAGNETONov 20, 2014 · N731P · Beech 58 · Magneto/DistributorSDR KC2R2014FA0000702Impulse Coupling · crackedDURING A 500 HR INSPECTION OF MAGNETO, IT WAS DISCOVERED THAT IMPULSE COUPLING BASE PLATE WAS CRACKED AT BOTH ADVANCE STOP LOCATION. CRACKS WERE VISIBLE USING FLUORESCENT MAGNETIC PARTICLE INSPECTION NDT. CRACKS RADIATE FROM SHARP CORNERED FEATURE OF BASE PLJun 23, 2014 · N58BE · Beech 58 · Magneto/DistributorSDR KC2R2014FA0000703Impulse Coupling · crackedDURING A 500 HR INSPECTION OF MAGNETO, IT WAS DISCOVERED THAT IMPULSE COUPLING BASE PLATE WAS CRACKED AT BOTH ADVANCE STOP LOCATION. CRACKS WERE VISIBLE USING FLUORESCENT MAGNETIC PARTICLE INSPECTION NDT. CRACKS RADIATE FROM SHARP CORNERED FEATURE OF BASE PLJun 23, 2014 · N58BE · Beech 58 · Magneto/DistributorSDR KC2R2014FA0000705Impulse Coupling · crackedDURING A 500 HR INSPECTION OF MAGNETO, IT WAS DISCOVERED THAT IMPULSE COUPLING BASE PLATE WAS CRACKED AT BOTH ADVANCE STOP LOCATION. CRACKS WERE VISIBLE USING FLUORESCENT MAGNETIC PARTICLE INSPECTION NDT. CRACKS RADIATE FROM SHARP CORNERED FEATURE OF BASE PLJun 23, 2014 · N58BE · Beech 58 · Magneto/DistributorSDR A6YA2010052738221Piston Ring · flakingDURING AN OIL CHANGE FLAKES OF METAL WERE FOUND IN THE OIL FILTER. THE TOP SPARK PLUGS WERE REMOVED & CYLINDER NR 3 HAD OIL ON THE TOP SPARK PLUG. THE CYLINDER WAS REMOVED & PLATING WAS FOUND TO BE FLAKING OFF THE TOP PISTON RING. ALL 6 CYLINDERS WERE REMOVMay 23, 2014 · N8257H · Beech 58 · Reciprocating Engine Cylinder SectionSDR A6YA2014052831822Lifter · spalledAFTER REMOVAL OF ALL CYLINDERS DUE TO TOP PISTON RING PLATING FLAKING, SDR A6YA2010052738221, ALL LIFTERS WERE REMOVED & INSPECTED IAW SID 05-1A. NR 2 & NR 5 EXHAUST VLV LIFTERS WERE FOUND TO HAVE FULL FACE SPALLING AS PICTURED IN SID 05-1A FIG 6 AND FIG 8. May 23, 2014 · N8257 · Beech 58 · Reciprocating Engine Power SectionSDR 2013FA0000593Stud · missingDURING CLIMBOUT, PILOT NOTICED SMOKE TRAILING FROM THE LT ENGINE. IMMEDIATELY LANDED AT DEPARTURE AIRPORT AND AT SHUTDOWN, SAW A GREAT DEAL OF OIL DRIPPING FROM LOWER COWLING AND COWL FLAP. DURING AN INSPECTION RUN-UP, OIL WAS SEEN PUMPING FROM AREA OF TACHOct 14, 2013 · N202P · Beech 58 · Turbine Engine Oil SystemSDR YWBR2013061725111Thru Bolt · undertorquedRECEIVED NEW IO-550-C ENGINE SN 1008500. REMOVED ENGINE FROM SHIPPING CRATE AND PLACED IN ENGINE STAND. UPON INSPECTION OF THE NEW ENGINE IT WAS NOTICED THE FRONT THRUST BEARING UPPER AND LOWER THROUGH BOLTS WERE NOT TORQUED. THE NUTS WERE ONLY FINGER TIGHTJun 17, 2013 · Beech 58 · Reciprocating Engine Power SectionSDR 2013FA0000233Bearing · seizedDURING ENGINE START PROCEDURE, RT ENGINE WOULD NOT START. INSPECTION OF RT ENGINE MAGNETOS, THE LT MAGNETO WAS FOUND TO BE HARD TO ROTATE DUE TO DRIVE END BEARING FAILURE. NO OTHER DAMAGE WAS FOUND WITH MAGNETO. STIFF / FROZEN BEARING WAS CAUSING IMPULSE COUApr 16, 2013 · N878CA · Beech 58 · Magneto/DistributorSDR PAI5201302261142Exhaust Stack · brokenPILOT NOTED RT ENGINE EGT INDICATOR INOPERATIVE IN CRUISE FLIGHT. MX FOUND EXHAUST STACK BROKEN IN 2 JUST FORWARD OF EGT PROBE. NO DAMAGE TO COWLING NOTED.Feb 26, 2013 · N6458 · Beech 58 · Engine Collector/Tailpipe/NozzleSDR 2013FA0000153Gear · wornUPON REMOVAL FROM ENGINES, IT WAS DISCOVERED THAT BOTH CAM GEARS SHOWED EXCESSIVE WEAR ON 2-3 TEETH. THE CAUSE FOR THIS WEAR CANNOT BE DETERMINED. A SUGGESTION FOR PREVENTION WOULD NOT BE POSSIBLE.Feb 14, 2013 · N558TH · Beech 58 · Reciprocating Engine Power SectionSDR 2013FA0000058Bearing · seizedDURING ENGINE RUN-UP BEFORE TAKE OFF WHEN THE RIGHT ENGINE RIGHT MAGNETO WAS CHECKED THERE WAS EXCESSIVE RPM DROP. AIRCRAFT RETRUNED TO BLOCK. RIGHT ENGINE, RIGHT MAGNETO WAS REMOVED AND FOUND VERY HARD TO ROTATE BY HAND. OPENED MAGNETO AND FOUND NO VISUAL INDJan 25, 2013 · N877CA · Beech 58 · Magneto/DistributorSDR 2013FA0000059Bearing · seizedDURING ENGINE RUN-UP, BEFORE TAKEOFF WHEN THE RT ENGINE, RT MAGNETO WAS CHECKED IT WAS FOUND TO BE INOPERATIVE. ACFT RETURNED TO BLOCK. RT ENGINE, RT MAGNETO WAS REMOVED AND FOUND HARD TO ROTATE BY HAND. OPENED MAGNETO AND FOUND TO BE SCORCHED AND MELTED DUJan 25, 2013 · N874AN · Beech 58 · Magneto/DistributorSDR 2012FA0000699Tire · delaminatedA RETREAD TIRE WITH 0 HOUR SINCE OVERHAULED. THE TIRE WAS INSTALLED ON NOSE WHEEL. THE TIRE DISINTEGRATED AND DELAMINATED ON ITS FIRST USE. DEBRIS AND DELAMINATED PIECES PIECES JAMMED AND SEIZED SMOOTH OPERATION OF NOSE WHEEL. NOSE GEAR EVENTUAL COLLAPSED Oct 14, 2012 · N58LH · Beech 58 · TireSDR 2012FA0000674Gasket · failedACFT HAD A MAJOR OIL LEAK EMENATING FROM THE ROCKER BOX COVER GASKETS. ON INSPECTION, FOUND 5 OUT OF 6 GASKETS HAD FAILED CAUSING LEAKAGE. GASKETS SHRANK BETWEEN THE BOLTS LEAVING A GAP FOR OIL TO COME OUT.Oct 5, 2012 · N584W · Beech 58 · Reciprocating Engine Cylinder SectionSDR 2012FA0000742Crankcase · crackedDURING AN INSPECTION, CRANKCASE OF THE RT ENGINE WAS OBSERVED TO BE CRACKED BETWEEN THE NR 1 AND NR 3 CYLINDERS. THE ENGINE WAS REMOVED AND SENT OUT FOR REPAIR.Oct 3, 2012 · N202P · Beech 58 · Reciprocating Engine Power SectionSDR RSUR201206110001Governor · failedDURING FLIGHT, RT ENGINE INCREASED IN RPM UNCOMMANDED. FLUCTUATED RPM. ADJUSTED RT PROP CONTROL TO FEATHER AND INCREASED IT TO 2000 RPM. RT ENGINE THEN STABILIZED IN RPM AT 2000. UPON LANDING TRIED TO CHANGE THE RT PROP RPM BUT COULDN'T INCREASE PROP CONTROLJun 7, 2012 · N83KK · Beech 58 · Propeller GovernorSDR 2013FA0000108Display · malfunctionedDISPLAY SHOWS ERRONEOUS COURSE GUIDANCE -2 MAGENTA LINES TO 2 DIFFERENT WAYPOINTS - IN ANY FLIGHT PHASE.Apr 23, 2012 · N214KP · Beech 58 · Flight Environment DataSDR 2012FA0000266Impulse Coupling · destroyedUPON LT ENGINE START-UP THE OIL PRESSURE WAS BELOW LIMITS AT 1000 RPM. WHILE TROUBLESHOOTING LOW OIL PRESSURE, WE FOUND FOREIGN MATERIAL UNDER OIL PRESSURE ADJUST SEAT. INVESTIGATING IT, FOUND THE LT MAGNETO HAD MOVED (ROTATED) POSITION. UPON REMOVAL OF LT Mar 27, 2012 · N876AN · Beech 58 · Magneto/DistributorSDR 2012FA0000107Arm · failedLANDING GEAR ACTUATOR ARM, FOR THE NLG RETRACTION FAILED, ALLOWING THE NLG TO COLLAPSE UPON LANDING.Jan 27, 2012 · N580CT · Beech 58 · Nose/Tail Landing GearSDR 2011FA0000162Switch · burnedPILOT REPORTED A BURNING SMELL IN THE CABIN. AN INSP REVEALED THE TAXI LIGHT CIRCUIT BREAKER SWITCH TO HAVE AN UNUSUAL FEEL. FOLLOWING REPLACEMENT OF THE SWITCH, THE FAILED SWITCH WAS DISASSEMBLED AND FOUND TO HAVE BURNED INTERNAL COMPONENTS. THIS SWITCH, PN Mar 9, 2011 · N2331H · Beech 58 · Electrical Power System WiringSDR IXXA110023OWire Harness · defectiveDURING CLIMBOUT FROM KTOL NR ONE EGT ANALOG AND DIGITAL READ OUTS DROPPED FROM 700 DEGREE TO 420 DEGREE WITH FLUCTUATION PLUS/ MINUS 5 DEGREE, N1 AND N2 SIMILAR TO THE OTHER 3 ENG. ALL 4 THROTTLES WERE ALIGNED. THE CREW RETURNED TO DEPARTURE WITHOUT FURTHER Feb 18, 2011 · N822BX · Doug DC871F · Engine Indicating System WiringSDR 2010FA0001265Support · brokenDURING AN A ANNUAL INSP IT WAS NOTICED THAT THE LT ENGINE OIL COOLER FWD FACE EXTERNAL DIAGONAL SUPPORT BAR HAD BROKEN OFF HALF WAY FROM THE CTR TO THE BOTTOM INBD CORNER. UNIT REMOVED FOR REPAIR.Dec 29, 2010 · N690KL · Beech 58 · Engine Oil CoolerSDR V0XR201010220005Frame · corroded(V0XR) FRAME FLANGE STN 488.5 BETWEEN 33 & 32 IS CORRODED BEYOND LIMITS. FABRICATED REPAIR FLANGE.Oct 22, 2010 · N822EA · Dhav DHC8103 · Fuselage Main, Frame
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