Continental IO-520-C

Service difficulty reports · 329

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 = 'IO520C'
  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 AU980176Hose · deteriorated(AUS) ALL ENGINE HOSES TIME EXPIRED. HOSES WERE NOT CHANGED DURING RECENT ENGINE CHANGE.Feb 18, 1998 · Beech 58 · Engine Oil Distribution (Airframe Furnished)SDR AU980414Pipe · bulged(AUS) ENGINE EXHAUST PIPES (BOTH ENGINES) HAVE SEVERE BULGING. THREE OF THE FOUR PIPES HAVE IMPROPER PREVIOUS REPAIRS.Feb 18, 1998 · Beech 58 · Engine Noise SuppressorSDR AU980416Tube · damaged(AUS) LEFT LANDING GEAR DRIVE TUBE CREASED AT INBOARD FITTING (GEARBOX END). THE CREASE WAS RUSTED AND APPEARS TO HAVE BEEN DAMAGED SOME TIME AGO AND WAS CLOSE TO FAILURE.Feb 18, 1998 · Beech 58 · Landing Gear Retraction/Extension SystemSDR AU980417Control Arm · misrigged(AUS) AILERON CONTROL SYSTEM RIGGED INCORRECTLY. THE AILERON BELLCRANKS WERE NOT HITTING THE STOPS AND THE AILERONS WERE SHORT OF TRAVEL BY FIVE DEGREES. PERSONNEL/MAINTENANCE ERROR.Feb 18, 1998 · Beech 58 · Aileron Control SystemSDR AU980061Cover · separated(AUS) LH SPAR COVER SEPARATED AND JAMMED BETWEEN LANDING GEAR MICROSWITCHES.Jan 19, 1998 · Beech 58 · Wing, Plate/SkinSDR AU980044Arm · cracked(AUS) NOSE LANDING GEAR RETRACT/EXTEND ARM CRACKED IN AREA WHERE THE ARM JOINS THE INPUT DRIVE BOSS.Jan 14, 1998 · Beech 58 · Landing Gear Retraction/Extension SystemSDR 98ZZZX148Cylinder · failedDURING A FLIGHT JUST AFTER TAKEOFF, PILOT REPORTED THE ENGINE PERIODICALLY LOST POWER AND VIBRATED. UPON LANDING, PILOT ALSO NOTICED A CONSIDERABLE AMOUNT OF OIL ON THE NACELLE. UPON INVESTIGATION, DISCOVERED THE NR 6 CYLINDER PUSH ROD WAS BENT AND PUSH ROD Dec 12, 1997 · N577W · Beech 58 · Reciprocating Engine Cylinder SectionSDR 98ZZZX19Bearing · failedENGINE RPM FLUCTUATING IN-FLIGHT. PRECAUTIONARY ENGINE SHUT DOWN AND FEATHERING ACCOMPLISHED. AIRCRAFT LANDED WITHOUT INCIDENT. INVESTIGATION DISCLOSED THE STARTER ADAPTER FAILED DUE TO LACK OF OIL. THIS OCCURRED AFTER .5 HOURS OF OPERATION. DISASSEMBLY OFDec 8, 1997 · N87SC · Beech 95C55 · Reciprocating Engine Power SectionSDR 97ZZZX5168Engine · failedLEFT ENGINE FAILED ON TAKEOFF OUT OF NEW ORLEANS. REMOVED AND REPLACED ENGINE. CAUSE UNKNOWN AT THIS TIME.Nov 20, 1997 · N2892W · Beech 58 · Engine (Reciprocating)SDR 98ZZZX520Piston Pin · brokenENGINE DISASSEMBLED FOR OVERHAUL. UPON NR 3 CYLINDER REMOVAL, PISTON PIN PN SA630046 FOUND BROKEN. NO OTHER DAMAGE NOTED.Nov 14, 1997 · N191WE · Beech E55 · Reciprocating Engine Cylinder SectionSDR AU971502Wire · broken(AUS) NOSE LANDING GEAR INDICATOR ARM ACTUATING WIRE BROKEN.Nov 11, 1997 · Beech 58 · Landing Gear System WiringSDR AU971548Skin · cracked(AUS) ELEVATOR SKIN OUTBOARD OF THE RH TRIM TAB FOUND WITH SMALL CRACK. WITH FIRM FORCE APPLIED TO THE TRAILING EDGE, THE CRACK OPENED UP TO 127MM (5IN) IN LENGTH. CLOSER INSPECTION REVEALED SEVERAL MORE CRACKS. CRACKING WAS INITIATED BY CORROSION. SUSPECT SKNov 7, 1997 · Beech 58 · Elevator, Plate/SkinSDR AU971536Bolt · broken(AUS) LH NO6 CYLINDER UPPER THROUGH BOLT BROKEN IN LINE WITH THECYLINDER BASE FLANGE.Nov 3, 1997 · Beech 95C55 · Reciprocating Engine Power SectionSDR 97ZZZX5173Control Cable · out of adjON TAKEOFF OUT OF CEDAR RAPIDS, GOT BAD VIBRATIONS IN ELEVATOR YOKE MOVING BACK AND FORTH .25 INCH. CHECKED AND ADJUSTED ELEVATOR CABLES TO MFG SPECS. OPS CHECKS GOOD.Oct 31, 1997 · N858LG · Beech 58 · Elevator Control SystemSDR 97ZZZX4764Spring · brokenENGINE RAN ROUGH. INSPECTION FOUND NR 2 EXHAUST OUTER VALVE SPRING BROKEN.Oct 29, 1997 · N9469S · Beech 95C55 · Reciprocating Engine Cylinder SectionSDR 97ZZZX4820Cylinder · failedPILOT REPORTED RIGHT ENGINE RUNNING ROUGH. INVESTIGATION FOUND NR 4 CYL HEAD SEPARATED FROM BARREL. THE CYLINDER HAD BEEN INSTALLED 148 HOURS BEFORE. RECENTLY OVERHAULED. TOTAL TIME ON CYLINDERS ARE NOT RECORDED. SUBMITTER RECOMMENDS THAT CYLINDERS BE SCROct 11, 1997 · N82LB · Beech 58 · Reciprocating Engine Cylinder SectionSDR 97ZZZX4484Crankcase · crackedRIGHT ENGINE CRANKCASE CRACKED AT THE UPPER STUD AREA OF THE NR 6 CYLINDER ALLOWING THE CYLINDER TO COMPLETELY SEPARATE FROM THE CASE CAUSING ENGINE FAILURE UNDER NORMAL FLIGHT CONDITIONS. SUBMITTER RECOMMENDATION: DYE PENETRANT, INSPECTION CRANKCASE REF: AOct 1, 1997 · N112BS · Beech 58 · Reciprocating Engine Power SectionSDR 98ZZZX210Crankcase · crackedCRANKCASE INSPECTION FOUND BOTH LEFT AND RIGHT HALVES OF ENGINE CASE HAS CRACKING (LENGTHY AND THROUGH).Aug 12, 1997 · Reciprocating Engine Power SectionSDR AU970891Selector · broken(AUS) LANDING GEAR SELECTOR SWITCH SHAFT BROKEN. INSPECTION FOUND LOCATING TANG ON EMERGENCY LANDING GEAR EXTENSION HANDLE ALSO BROKEN AND FORK END TO DRIVE SHAFT DAMAGED. EXTENSION HANDLE HOUSING ALSO CRACKED.Jun 20, 1997 · Beech 58 · Landing Gear SelectorSDR AU970712Actuator · broken(AUS) LH MAIN LANDING GEAR MICROSWITCH ACTUATOR STRIKER PLATE BROKENJun 2, 1997 · Beech 58A · Landing Gear Position and WarningSDR AU970484Uplock Cable · failed(AUS) LANDING GEAR UPLOCK CABLE FAILED AT OUTBOARD SWAGED FITTING DUE TO CORROSION OF THE EXPOSED STRANDSMay 10, 1997 · Beech 58 · Landing Gear Retraction/Extension SystemSDR AU970482Linkage · worn(AUS) LH ENGINE CONTROL LINKAGES FAULTY - THE FOLLOWING DEFECTS WERE FOUND:- 1. THROTTLE CONTROL LINKAGE SEVERELY WORN 2. THROTTLE ROD END SEPARATED FROM CAGE 3. NYLEX NUT USED ON THROTTLE CROSS SHAFT 4. NYLEX NUT ON MIXTURE CONTROL NOT IN SAFETY 5. MIXTURE COMay 6, 1997 · Beech 58 · Power LeverSDR AU970883Spar · cracked(AUS) WING FORWARD SPAR FORWARD AND REAR RH WEBS CRACKED - FOUND DURING INSPECTION IAW AD/BEECH55/62 AMDT4 AND BEECH SB2269Apr 22, 1997 · Beech 58 · Wing SparSDR AU970880Elt · corroded(AUS) ELT COMPLETELY DESTROYED DUE TO BUILDUP OF WATER IN MOUNTING TRAY - WATER IN TRAY GETS INTO ELT BATTERY COMPARTMENT CAUSING CORROSION AND EVENTUAL FAILUREApr 12, 1997 · Beech 58 · Emergency Locator BeaconSDR AU970374Circuit Breaker · failed(AUS) LANDING GEAR RELAY CIRCUIT BREAKER FAILEDApr 7, 1997 · Beech 58 · DC Power Distribution SystemSDR AU970309Spring · faulty(AUS) PROPELLER CONTAINED THE FOLLOWING DEFECTS:- 1. LATCH PNO B318 BROKEN. 2. LATCH BOLTS PNO A1595 (2OFF) SHEARED AND ONE BOLT BENT 3. CYLINDER PNO B2423-1 DAMAGED 4. PISTON PNO B3237 WORN 5. INCORRECT PRESSURE DECAL FITTED. PERSONNEL/MAINTENANCE ERRORApr 2, 1997 · Beech 58 · Propeller AssemblySDR 97ZZZX2098Lever · misinstalledDURING ROUTINE MAINTENANCE, FUEL INJECTION ASSY FOUND LOOSE. OF THE 3 BOLTS THAT ATTACH THIS TO THE THROTTLE CONTROL ASSY, 2 BOLTS MISSING, 1 LOOSE. ASSY ABOUT TO BREAK LOOSE. ALSO, SHROUD P/N 646673 BROKEN AND LOOSE, AND CHAFING ON FUEL LINE FITTINGS. FITApr 1, 1997 · Beech 58 · Fuel Control/Reciprocating EnginesSDR CA970408001Brush Cage · broken(CAN) DURING LANDING GEAR MOTOR INSPECTION, PLASTIC BRUSH CAGE FOUND BROKEN. POSSIBLY CAUSED ON INSTALLATION. REPLACED.Mar 27, 1997 · Beech 58 · Landing Gear Retraction/Extension SystemSDR CA970401014Strut · cracked(CAN) CRACK FOUND IN OLEO TO STRUT CASTING. REPLACED.Mar 24, 1997 · Beech 58 · Nose/Tail Landing Gear Strut/AxleSDR AU970317Bracket · cracked(AUS) RH FLAP ACTUATOR ATTACHMENT BRACKET CRACKED AND SEPARATED FROM FLAP AT THE CENTRE ATTACHMENT SCREW. WHEN DOWNWARDS PRESSURE WAS APPLIED TO THE TRAILING EDGE OF THE FLAP - INVESTIGATION FOUND APREVIOUS REPAIR UNDER THE BRACKET ALSO CRACKED AND THE RIB BEMar 21, 1997 · Beech 95C55 · Trailing Edge FlapsSDR 97ZZZX1248Crankcase · crackedDURING OIL CHANGE, FOUND 1 INCH CRACK EXTENDING FROM CYLINDER NR 6 UPPER REAR STUD. AD 77-13-22 PARA(A) ADDRESSES THIS SUBJECT, BUT IS NOT INCLUDED IN THE SERIAL NUMBER REQUIREMENT LIST.Mar 20, 1997 · N999AN · Beech 58 · Reciprocating Engine Power SectionSDR AU970234Rib · cracked(AUS) RH FLAP RIB CRACKED IN AREA OF FLAP ACTUATOR ATTACHMENT - CRACK EMANATES FROM FORWARD ATTACHMENT BOLT HOLE IN A PREVIOUSLY REPAIRED AREA - SUSPECT CRACK DUE TO INCORRECT REPAIRMar 19, 1997 · Beech 58 · Trailing Edge FlapsSDR AU970233Trim Jack · incorrect wired(AUS) RUDDER TRIM JACK INCORRECTLY LOCKWIRED - THE TRIM JACK ROD END WAS LOCKED TO THE TRIM JACK HOUSING RETAINING NUT ALLOWING THE TRIM JACK TO ONLY ROTATE ONE TURN - THIS CONDITION HAD EXISTED FOR APPROXIMATELY 800 HOURS - PERSONNEL/MAINTENANCE ERRORMar 18, 1997 · Beech 58 · Rudder Tab Control SystemSDR 97ZZZX1234Through Bolt · failedUPON INSPECTION OF LT ENGINE, FOUND NR 2 CYLINDER SEPARATED FROM CASE BY 2-3 INCHES. UPPER THROUGH-BOLT APPEARS TO BE BROKEN INTERNALLY AS WELL AS LOWER THROUGH-BOLT, ALL UPPER AND LOWER CASE STUDS TO CYLINDER HOLD-DOWN APPEAR TO BE BROKEN AT THREAD AREA OR AMar 12, 1997 · N977GF · Beech 58 · Reciprocating Engine Power SectionSDR AU970170Battery · discharged(AUS) BATTERY VOLTAGE LOW - SUSPECT CAUSED BY ALTERNATOR SWITCHES BEING IN THE `OFF' POSITIONFeb 28, 1997 · Beech D55 · Battery/Charger SystemSDR AU970077Spring · faulty(AUS) PROPELLER LATCH SPRING KIT FOUND TO BE MADE UP OF SUPERCEEDED PARTS - FITTED AT LAST OVERHAUL IN USA - PERSONNEL/MAINTENANCE ERRORFeb 3, 1997 · Beech 58 · Propeller Blade SectionSDR AU970106Circuit Breaker · miswired(AUS) TRANSPONDER SYSTEM WIRED TO PRIMARY AH CIRCUIT BREAKER FOLLOWING FAILURE OF CORRECT CB WHICH HAD BEEN DISCONNECTED - CIRCUIT BREAKER MARKED `RADAR' WAS REALLY THE COMPASS SYSTEM (COMPASS SYSTEM CB WAS FOUR CIRCUIT BREAKERS AWAY) - HF CIRCUIT BREAKER NOT Jan 30, 1997 · Beech 58 · AC Power Distribution SystemSDR AU970075Fitting · corroded(AUS) REAR SPAR RH WING FITTING CORRODED - WING BOLT, NUT AND WASHER ALSO CORRODED - FOUND DURING INSPECTION IAW AD/BEECH55/79Jan 15, 1997 · Beech D55 · Wing, Fuselage Attach FittingsSDR 97ZZZX629Cover Assy · leakingPILOT COMPLAINING OF OIL LEAK. FOUND OIL PUMP LEAKING FROM CASTING SCAR IN UNIT.Jan 1, 1997 · N3093W · Beech 58 · Reciprocating Engine Oil SystemSDR CA961218003Pump · failure(CAN) OVERHAULED VACUUM PUMP INSTALLED AFTER VACUUM PUMP FAILURE. EIGHT HOURS LATER THE VACUUM PUMP SEIZED AND FAILED FOR NO APPARENT REASON. THIS IS THE SECOND "RAPCO" PUMP TO FAIL EARLY.Dec 10, 1996 · Beech 58 · Vacuum Distribution SystemSDR 96ZZZX5003Filter · mismanufacturedDURING A ROUTINE OIL CHANGE, EXAMINATION OF THE OIL FILTER REVEALED THE RUBBER GASKET BETWEEN THE FILTER ELEMENT AND THE FILTER END HOUSING HAD SHIFTED, APPARENTLY DURING MANUFACTURE, AND COVERED APPROXIMATELY 75 PERCENT OF THE OIL IN HOLE AND 100 PERCENT OF TSep 16, 1996 · N782B · Beech 95C55 · Reciprocating Engine Oil SystemSDR AU961141Selector · faulty(AUS) LANDING GEAR SELECTOR WHEEL LOCKING GRUB SCREW LOOSEAug 14, 1996 · Beech 58 · Landing Gear SelectorSDR AU961161Circuit Breaker · faulty(AUS) LANDING GEAR RETRACTION MOTOR CIRCUIT BREAKER FAULTYAug 1, 1996 · Beech 58 · Landing Gear Retraction/Extension SystemSDR AU961086Control Cable · separated(AUS) LT ENGINE CONSTANT SPEED UNIT (CSU) CONTROL CABLE SEPARATED FROM CSU AND RODEND AND BOLT ASSEMBLY MISSING - INVESTIGATION FOUND THAT MAINTENANCE HAD BEEN CARRIED OUT ON THE CSU PRIOR TO THE OCCURRENCE (CSU ADJUSTMENT)Jul 29, 1996 · Beech 58 · Propeller Controlling SystemSDR AU961037Bellcrank · failed(AUS) COPILOTS RUDDER BELLCRANK BROKEN IN THE VICINITY OF THE CROSSOVER PUSHROD ATTACHMENT HORN - FURTHER INVESTIGATION FOUND THAT THE FAILURE WAS CAUSED BY THE INCORRECT REMOVAL OF THE RUDDER STOP BAR AND EMBRITTLEMENT OF THE BARJul 2, 1996 · Beech 58 · Rudder Control SystemSDR AU960891Blade · undersize(AUS) PROPELLER BLADES UNDERSIZE AS PER MANUFACTURERS MINIMUM LIMITS INMANUAL - PROPELLER MODEL IN LOGBOOK INCORRECT - CYLINDER PRESSUREDECAL INCORRECT - PERSONEL/MAINTENANCE ERRORJun 27, 1996 · Beech 58 · Propeller Blade SectionSDR AU960893Rib · corroded(AUS) VERTICAL STABILISER AFT SPAR UPPER RIB PNO 96-640000-11 AND LOWERRIB PNO 96-640000-105 SEVERELY CORRODED - RIBS SUPPORT RUDDER PIVOT FLANGES - INVESTIGATION FOUND MORE CORROSION IN FUSELAGE AND AFT CABIN FLOOR STRUCTURE, LUGGAGE DOOR FRAME - STEP SUPPORTJun 27, 1996 · Beech D55 · Vertical StabilizerSDR AU960901Nut · loose(AUS) PROPELLER PISTON UNIT LOOSE ON CONTROL ROD DUE TO INSUFFICIENT TORQUE ON THE NUT PNO B3807 - PERSONNEL/MAINTENANCE ERROR - SEEALSO MDR 96/0891Jun 27, 1996 · Beech 58 · Propeller AssemblySDR AU960912Arm · cracked(AUS) PILOTS RUDDER PEDAL ARMS BOTH CRACKED IN UPPER AREA OF THE 'I' SECTION - FOUND DURING INSPECTION IAW AD/BEECH55/69 AMDT2Jun 25, 1996 · Beech 58 · Rudder Control SystemSDR AU960881Cylinder · separated(AUS) LH ENGINE NO6 CYLINDER SEPARATED - SEE MDR 96/0906 FOR FURTHER INFORMATIONJun 18, 1996 · Beech 58 · Reciprocating Engine Cylinder Section
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