Continental TSIO-520-NB

Service difficulty reports · 310

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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 = 'TSIO520NB'
  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 2025F00273Support · corrodedDURING A PREFLIGHT WALKAROUND, SURFACE CORROSION WAS OBSERVED ON THE VERTICAL STABILIZER AFT SECTION. AFTER CLOSER INSPECTION SEVERE DELAMINATION WAS SEEN ON THE AFT VERTICAL SUPPORT ANGLES AND AFT STAB BULKHEAD SECTION. THE RUDDER TRIM TAB BRACKET ALSO HAD SINov 26, 2025 · N86VS · Cessna 414 · Vertical Stabilizer Miscellaneous StructureSDR KISA202602050001Angle · corrodedDURING A PREFLIGHT WALK AROUND CORROSION WAS OBSERVED ON THE AFT SPAR ANGLE CHANNEL OF THE VERTICAL STABILIZER. UPON FURTHER INVESTIGATION SIGNIFICANT INTERGRANULAR CORROSION WAS FOUND RESULTING IN EXFOLIATION OF THE SURFACE OT THE SPAR ANGLE. THIS RESULTED INNov 25, 2025 · N86VS · Cessna 414 · Vertical Stabilizer Miscellaneous StructureSDR 2025FA0000646Intake Duct · rupturedR/H ENGINE MP WILL NOT GO OVER 32 INCHES ABOVE 15,000. PRESSURE TESTED THE RH ENGINE INTAKE SYSTEM AND FOUND THE REAR INTAKE PIPE TORN.Sep 16, 2025 · N6305X · Cessna 340A · Engine Air Intake SystemSDR 2022F00516Tach Generator · seizedTHE LH TACH GENERATOR SEIZED INTERNALLY CAUSING THE LH TACHOMETER INDICATION TO FALL TO ZERO.Dec 13, 2022 · N157SG · Cessna 340CESSNA · Engine RPM Indicating SystemSDR 2021FA0000112Drive Shaft · shearedLEFT ALTERNATOR FAIL ANNUNCIATOR LIGHT ILLUMINATED. NO VOLTAGE INDICATION ON LEFT ALTERNATOR. WIRING TERMINALS WERE INTACT AND FIELD VOLTAGE WAS PRESENT. INSPECTION REVEALED THE ALTERNATOR DRIVE SHAFT SHEARED SEPARATING THE DRIVE SHAFT FROM THE ALTERNATOR DRIVApr 20, 2021 · N311BT · Cessna 414A · DC Generator-AlternatorSDR S1ZA202102000005Bulkhead · crackedRIGHT MAIN FUEL TANK (TIP TANK) AFT BULKHEAD (PN: 0823400-109) CRACKED IN UPPER RADIUS. THIS BULK HEAD IS AN EXTENSION OF THE AFT WING SPARE IS THE ONLY ONE OF 2 LOCATIONS THAT HOLD THE FUEL TANK ON THE AIRPLANE. THIS AIRPLANE HAS BEEN THROUGH COUNTLESS 100Mar 1, 2021 · N2669N · Cessna 340A · Wing Main, Frame StructureSDR 2021FA0000033Bellcrank · crackedR/H INNER GEAR DOOR BELLCRANK IDLER HAD BROKEN IN TWO PIECES. CUSTOMER BOUGHT A NEW PART WITH HIM TO INSTALL. BREAKAGE LOOKED CLEAN WITH NO CORROSION AT THE BREAKAGE SURFACE. IN CONVERSATION WITH CUSTOMER, WE HAD THE LEFT SIDE REMOVED AND CHECKED IT IN SAME ARFeb 3, 2021 · N6305X · Cessna 340A · Landing Gear Door Retract SectionSDR S1ZA2019120500003Crankcase · crackedCRACKED CRANK CASE. REMOVED ALL CYLINDERS DUE TO 4 BEING LOW COMPRESSION. 2 OTHER CYLINDERS WERE RECENTLY REPLACED BY PERSONS UNKNOWN AT EXACT TIME UNKNOWN. I FOUND 8130-3 FORMS FOR THE TWO REPLACED CYLINDERS(5&3) OPPOSITE THE CASE CRACK, DATED MARCH 1, 2019Dec 5, 2019 · N67664 · Cessna 340A · Reciprocating Engine Power SectionSDR 2019FA0000053Wire · chafedSAW A SMALL PUFF OF SMOKE WHEN THE HEATER WAS TURNED OFF. THE FOLLOWING MORNING A FUNCTION TEST OF THE HEATER WAS PERFORMED AND A SMALL FIRE BROKE OUT. UPON INSPECTION IT WAS DETERMINED THAT THE INSULATION ON THE HEATER WIRES WAS CHAFFED AND SHORTED OUT. THIS Mar 1, 2019 · N512HP · Cessna 340CESSNA · Air Conditioning System WiringSDR CCJA201809105016Collar · spalledINSTALLED ENGINE AFTER OVERHAUL. AFTER THIRD START, THE PROPELLER FEATHERED. FOUND OIL TRANSFER COLLAR SPALLED/GROOVED. ENGINE HAD LESS THAN 3 MINUTES TOTAL TIME SINCE OVERHAUL WHEN THE PROPELLER FEATHERED.Sep 7, 2018 · N414WJ · Cessna 414A · Reciprocating Engine Front SectionSDR CA180907011Clamp · cracked(CAN) DURING ANNUAL INSPECTION AS WELL AS IN CONJUNCTION WITH AD 2000-01-16, THE V-BAND CLAMP THAT ATTACHES THE WASTEGATE EXHAUST ELBOW TO THE EXHAUST HEADER ASSY WAS FOUND CRACKED. (TC# 20180907011)Sep 7, 2018 · Cessna 340A · Exhaust Turbine System (Reciprocating)SDR CCJA2018091005001Camshaft · spalledSPALLED CAMSHAFT.Sep 5, 2018 · N414WJ · Cessna 414A · Reciprocating Engine Power SectionSDR CCJA2018091005002Lifter · spalledLEFT ENGINE HAS SPALLED INTAKE LIFTERS.Sep 5, 2018 · N414WJ · Cessna 414A · Reciprocating Engine Power SectionSDR CCJA201809105003Lifter · spalledLEFT ENGINE HAS SPALLED EXHAUST LIFTERS.Sep 5, 2018 · N414WJ · Cessna 414A · Reciprocating Engine Power SectionSDR CCJA201809105009Camshaft · spalledRIGHT ENGINE HAS SPALLED CAMSHAFT.Sep 5, 2018 · N414WJ · Cessna 414A · Reciprocating Engine Power SectionSDR CCJA201809105010Lifter · spalledFOUND SPALLED INTAKE LIFTER ON RIGHT HAND ENGINE.Sep 5, 2018 · N414WJ · Cessna 414A · Reciprocating Engine Power SectionSDR CCJA201809105011Lifter · spalledFOUND SPALLED EXHAUST LIFTER ON RIGHT HAND ENGINE.Sep 5, 2018 · N414WJ · Cessna 414A · Reciprocating Engine Power SectionSDR CCJA20180905004Cylinder Head · crackedFOUND #1 (S/N: 65688-04), #3 (S/N: 65976-01), #4 (S/N: 65937-18), #5 (S/N: 66237-24) AND #6 (S/N: 65025-20) CYLINDERS CRACKED AT CYLINDER HEAD ON LEFT ENGINE DURING 100 HOUR INSPECTION.Sep 5, 2018 · N414WJ · Cessna 414A · Reciprocating Engine Cylinder SectionSDR CCJA20180905012Cylinder Head · crackedFOUND #2 (S/N: 65537-01), #3 (S/N: 65656-01), #5 (S/N: 65537-08) AND #6 (S/N: 65622-07) CYLINDERS CRACKED AT CYLINDER HEAD ON RIGHT ENGINE DURING 100 HOUR INSPECTION.Sep 5, 2018 · N414WJ · Cessna 414A · Reciprocating Engine Cylinder SectionSDR 2RM2017F00000Lifter · spalledENGINE WAS DISASSEMBLED FOR PROP STRIKE INSPECTION. FOUND LIFTERS BEGINNING TO SPALL AND WERE REPLACED WITH NEW LIFTERS AT THIS TIME TO PREVENT DAMAGE TO CAMSHAFT. LIFTERS WERE INSTALLED IN MAY OF 2010 AND HAVE 303.7 HOURS SINCE NEW.Oct 17, 2017 · N414AW · Cessna 414 · Reciprocating Engine Power SectionSDR 2RM2017F00001Lifter · spalledENGINE WAS DISASSEMBLED FOR PROP STRIKE INSPECTION. FOUND LIFTERS BEGINNING TO SPALL AND WERE REPLACED WITH NEW LIFTERS AT THIS TIME TO PREVENT DAMAGE TO CAMSHAFT. LIFTERS WERE INSTALLED IN MAY OF 2010 AND HAVE 303.7 HOURS SINCE NEW.Oct 17, 2017 · N414AW · Cessna 414 · Reciprocating Engine Power SectionSDR 2017FA0000259Crankshaft · brokenTHE PILOT REPORTED HEARING A LOUD POP FROM THE NR 1 ENGINE ON TAKEOFF AND A NEAR COMPLETE LOSS OF RPM. THE ENGINE WAS SUBSEQUENTLY REMOVED AND DISASSEMBLED. THE CRANKSHAFT WAS FOUND TO BE COMPLETELY BROKEN JUST IN FRONT OF THE NR 2 BEARING. WHAT REMAINED OFJun 13, 2017 · N14JD · Cessna 340CESSNA · Reciprocating Engine Power SectionSDR 2017FA0000180Bellcrank · crackedDURING THE TAKEOFF ROLL, THE PILOT'S SEAT SUDDENLY BROKE LOOSE AND MOVED FULL AFT. THE CAUSE WAS FOUND TO BE A CRACKED BELLCRANK TUBE UNDER THE PILOT'S SEAT. I WILL FORWARD PHOTOS.May 3, 2017 · N5773S · Mooney M20K · Flight Compartment EquipmentSDR 2017FA0000348Cylinder Head · crackedCRACKS IN THE HEADS ABOVE THE INTAKE PORT IN BOTH CYLINDERS. FUEL STAINING ON THE EXTERIOR OF THE HEAD. THIS IS THE THIRD AND FOURTH CYLINDERS THAT HAVE BEEN REPLACED ON THIS ACFT. THE EARLIER ONES WERE DONE ON 10/19/15 WITH 379 HOURS ON THE PARTS.Apr 19, 2017 · N669JM · Cessna 340A · Reciprocating Engine Cylinder SectionSDR 2017FA0000356Lifter · spalledBOTTOM SURFACE OF LIFTERS SPALLING CAUSING DAMAGE TO CAMSHAFT AND METAL CONTAMINATION TO ENGINE.Mar 17, 2017 · N350A · Cessna 340A · Reciprocating Engine Power SectionSDR 2017FA0000361Lifter · failedBOTTOM SURFACE OF LIFTERS SPALLING CAUSING DAMAGE TO CAMSHAFT AND METAL CONTAMINATION TO ENGINE.Mar 17, 2017 · N350A · Cessna 340A · Reciprocating Engine Cylinder SectionSDR 2017FA0000363Lifter · spalledBOTTOM SURFACE OF LIFTERS SPALLING CAUSING DAMAGE TO CAMSHAFT AND METAL CONTAMINATION TO ENGINE.Mar 17, 2017 · N21234 · Cessna 340A · Reciprocating Engine Cylinder SectionSDR 2017FA0000022Manifold · fluctuatesRIGHT ENGINE MANIFOLD PRESSURE FLUCTUATING IN FLIGHTJan 24, 2017 · N414XX · Cessna 414A · Exhaust TurbochargerSDR 2017F00009Oil Filter · leakingHAVE FOUND THREE OIL FILTERS LEAKING FROM THE HEX TO BODY CONNECTION.Dec 22, 2016 · N36961 · Cessna 414A · Reciprocating Engine Oil SystemSDR 2017FA0000013Selector Valve · malfunctionedTO BALANCE FUEL IN FLIGHT, LEFT FUEL SELECTOR HANDLE MOVED FROM LEFT MAIN TO RIGHT MAIN. BOTH FUEL BOOST PUMPS REMAINED ON. AFTER FUEL LEVELS BALANCED, LEFT FUEL SELECTOR HANDLE MOVED TO POINT BACK TO LEFT MAIN TANK. LEFT MAIN FUEL INDICATED QUANTITY DECREADec 13, 2016 · N128BR · Cessna 414A · Fuel Selector/Shut-Off ValveSDR 2016FA0000419Control Valve · shortedWHEN ATTEMPTING NORMAL HYDRAULIC EXTENSION OF LANDING GEAR WITH THE SWITCH, HEARD A RAPID BANGING FROM NOSE GEAR. RED GEAR UNLOCKED LIGHT FLICKERED. LANDING GEAR WOULD NOT UNLOCK FROM RETRACTED POSITION. HYD PRESSURE ANNUNCIATOR DID NOT ILLUMINATE. RETURNEAug 19, 2016 · N128BR · Cessna 414A · Landing Gear Retraction/Extension SystemSDR 2016FA0000299Engine · malfunctionedWHILE CRUISING AT 10,000 FEET, THE LT ENGINE STARTED VIBRATING, IDENTIFYING ON THE ENGINE INSTRUMENTS AN RPM FLUCTUATION OF +/- 300 RPMS, PROCEEDED TO REDUCE ENGINE POWER TO SEE IF IT WOULD REDUCE THE FLUCTUATION, WHICH DIDN'T HAPPEN, THEN PROCEEDED TO REDUCE Jun 8, 2016 · N934CR · Cessna 414A · Engine (Reciprocating)SDR EWFA2016FA0000022Cylinder Head · crackedNEW VIBRATION NOTICED DURING CRUISE. ONCE NORMAL DESCENT AND LANDING WAS MADE, ENGINE WAS INSPECTED AND WHOLE IN EXHAUST SIDE OF CYLINDER NR 1 DISCOVERED.Jan 15, 2016 · N414PA · Cessna 414A · Reciprocating Engine Cylinder SectionSDR CA151209003Window · cracked(CAN) PILOT HEARD THE SIDE WINDOW CRACK WHEN HE WAS CRUISING AT 13,000 FT. WITH THE ACFT PRESSURIZED. THE WINDOW CRACKED FROM THE LOWER FORWARD EDGE TO THE STORM WINDOW HOLE, THE LENGTH OF THE CRACK WAS 2.75" LONG, THE CRACK STOPPED AT THE STORM WINDOW OPENINNov 22, 2015 · Cessna 340A · Flight Compartment WindowsSDR YWYR2015112400001Cylinder · crackedWHILE PERFORMING VISUAL INSPECTION DURING ANNUAL INSPECTION, TECH NOTED STAINING BETWEEN CYLINDER FINS ON INTAKE SIDE OF CYLINDER NR 6 ON RT ENGINE. CYLINDER COMPRESSION CHECK AND BORESCOPE INSPECTION CONFIRMED THAT STAINING WAS DUE TO A CRACK BETWEEN INTAKE Nov 16, 2015 · N801EC · Cessna 340A · Reciprocating Engine Cylinder SectionSDR 4MCA2015F00094Magneto · malfunctionedATC KEPT ACFT AT 3000 FT FOR APPROXIMATELY 15 MINUTES. DURING THIS TIME, KEPT FULL POWER AND MIXTURE FULL RICH, WAS EXPECTING A CLIMB TO FILED ALTITUDE. AFTER ABOUT 15 MINUTES, SET POWER TO CRUISE SETTING AND LEANED MIXTURE. A FEW MINUTES LATER, WAS TOLD TAug 4, 2015 · N999RK · Cessna 414 · Magneto/DistributorSDR BGJA20150721001Wastegate Valve · failedDURING TAKEOFF ROLL, THE RT ENG WOULD NOT MAKE FULL POWER. THE PILOT CANCELLED THE TAKEOFF & RETURNED TO THE SHOP. THE ACFT NEVER LEFT THE GND. MX WAS NOTIFIED & TROUBLE SHOT THE ISSUE. THE RT ENG WASTE GATE WAS LEAKING OIL OUT OF THE CASE AT THE SEAL, THIJul 15, 2015 · N4057C · Cessna 414A · Exhaust TurbochargerSDR BGJA20150721002Pump · failedDURING TAKEOFF ROLL THE RIGHT ENGINE WOULD NOT MAKE FULL POWER. THE PILOT CANCELLED THE TAKEOFF AND RETURNED TO THE SHOP. THE AIRCRAFT NEVER LEFT THE GROUND. MAINTENANCE WAS NOTIFIED AND TROUBLESHOOT THE ISSUE. MAINTENANCE FOUND THE RIGHT ENGINE WASTE GATE WASJul 15, 2015 · N4057C · Cessna 414A · Engine Fuel PumpSDR CA150715005Cylinder · cracked(CAN) AIRCRAFT EXPERIENCED SLIGHTLY ABOVE NORMAL CYLINDER HEAD TEMP ON NR 2 & 4 CYLINDER AFTER LEVEL OFF AT CRUISE ALTITUDE. VISUAL INSPECTION VERIFIED FAILED CYLINDER ASSEMBLY. ECI CONFIRMED THAT THIS UNIT WAS A NEW BARREL INSTALLED AT OVERHAUL. IT WAS A FJul 15, 2015 · Cessna 414A · Reciprocating Engine Cylinder SectionSDR BPY2015F00000Connecting Rod · brokenDURING CRUISE FLIGHT, NR 1 AND NR 2 CONNECTING RODS FAILED AT THE CRANK JOURNALS CAUSING THE ENGINE TO SEIZE. THE RODS BROKE BOTH CASE HALVES AND THE LT MAGNETO FROM THE CASE. REASON IS UNKNOWN. 1515.1 HRS SMOH.Feb 3, 2015 · N83D · Cessna 414A · Reciprocating Engine Power SectionSDR 2014FA0000602Piston Ring · failedENROUTE, IFR AT 17000 FT WHEN PILOT NOTICED DROP IN MANIFOLD PRESSURE. PILOT REDUCED POWER SETTINGS AND STARTED DESCENT . NEXT OIL PRESSURE AND MANIFOLD PRESSURE DROPPED SIGNIFICANTLY AND DECLARED AN EMERGENCY, FEATHERED THE PROP AND SHUTDOWN THE ENGINE. Sep 16, 2014 · N5626C · Mooney M20K · Reciprocating Engine Cylinder SectionSDR BIGR20140725001Alternator · fracturedTHE RT ENGINE LOCKED UP DURING FLIGHT GOING INTO FEATHER AND COULD NOT BE RESTARTED. MAINTENANCE FOUND THE ENGINE NEARLY LOCKED UP BUT COULD STILL BE TURNED WITH DIFFICULTY USING THE PROPELLER. THE ALTERNATOR ROTOR SHAFT HAD SHEARED OFF FLUSH WITH THE ALTERNJul 20, 2014 · N118BH · Cessna 340A · DC Generator-AlternatorSDR CA140624004Cylinder · cracked(CAN) OWNER REQUESTED TO HAVE LT AND RT ENGINE INTAKE PIPE GASKETS REPLACED. DURING GASKET REPLACEMENT THE CYLINDERS WERE INSPECTED INSIDE THE INTAKE PORTS RESULTING IN FINDING NR 1 AND NR 3 CYLINDERS CRACKED INSIDE THE INTAKE PORTS ON THE RT ENGINE AS WELL AJun 24, 2014 · Cessna 414A · Reciprocating Engine Cylinder SectionSDR CA140630025Line · chafed(CAN) WHILE REMOVING THE ENGINE FROM THE AIRFRAME, THE OIL LINE BETWEEN THE WASTEGATE CONTROLLER AND ABSOLUTE PRESSURE CONTROLLER WAS FOUND TO BE CHAFING AGAINST THE EXHAUST ELBOW. LIGHT PROBING WITH A PICK PENETRATED THE WALL OF THE LINE.May 5, 2014 · Cessna 340A · Turbine Engine Oil SystemSDR CA140630024Cylinder Head · separated(CAN) THE NR 6 CYLINDER HEAD SEPARATED BY FAILING THOUGH THE ALUMINUM CASTING. ENGINE WAS SHUTDOWN AND PROP FEATHERED AND LANDING WAS CARRIED OUT. THE ENGINE IS A RAM 6 STC CONVERSION. AD 2004-08-10 APPLIES TO THIS CYLINDER PN, BUT THE SN OF THE AFFECTED CYMay 3, 2014 · Cessna 340A · Reciprocating Engine Cylinder SectionSDR N3SA2014FA0000199Suppressor · arcedSMOKE IN COCKPIT AFTER ACTIVATING WINDSHIELD HEAT. WINDSHIELD SUPPRESSOR ACRED.Mar 28, 2014 · N5690C · Cessna 414A · Windshield/Door Rain/Ice RemovalSDR 2014FA0000156Landing Gear · collapsedLEFT MLG COLLAPSED ON LANDING ROLLOUT.Mar 13, 2014 · N606PP · Cessna 414 · Main Landing GearSDR 9BYR2014022000091Cylinder Head · crackedPILOT STATED LOSS OF POWER/ROUGH RUNNING. DURING INVESTIGATION FOUND CYLINDER NR 3 CRACKED FROM TOP SPARK PLUG HOLE TO EXHAUST VALVE. CYLINDER NR 2 HEAD HAD SEPARATED FROM BARREL AND CRACKED FROM TOP SPARK PLUG HOLE TO EXHAUST VALVE ALSO. CYLINDER NR 6 EXHAFeb 12, 2014 · N6225X · Cessna 340A · Reciprocating Engine Cylinder SectionSDR BGJA20140501001Cylinder · crackedDURING INSPECTION WE FOUND THE NR 3 CYLINDER TO HAVE A CRACK & WAS LEAKING FUEL DOWN ON TO THE INTAKE PIPE. PROCEEDED TO INSPECT THE CYLINDER & IT WAS FOUND TO HAVE A CRACK. THE CRACK WAS BETWEEN THE 1ST & 2ND LARGE COOLING FIN BEHIND THE FUEL INJECTOR & DOWFeb 2, 2014 · N4057C · Cessna 414A · Reciprocating Engine Cylinder SectionSDR 2013FA0000681Cylinder · crackedCRACKED ENGINE CYLINDER.Nov 23, 2013 · N6829K · Cessna 340A · Reciprocating Engine Cylinder Section
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