Continental IO-520-BB
Service difficulty reports · 388
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 = 'IO520BB' 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.
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 = 'IO520BB' ORDER BY difficulty_date DESC
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
SDR 2010FA0000288Pump · low pressure(VJ3R)ON PHASE RUN UP MECHANIC NOTICED THE GYRO WARNING LIGHT ON. UP ON TROUBLESHOOTING THE MECHANIC DETERMINED THE VANES ON THE AIR PUMP WERE WORN AND WAS NOT PRODUCING ENOUGH PRESSURE. INSTALLED NEW PUMP, SYS WORKED NORMAL. NO PROBABLE CAUSE OR RECOMMENDATSDR 2010FA0000254Transmitter · inoperativePILOT REPORTED FUEL FLOW WAS FLUCTUATING ON TAKEOFF. ON TROUBLESHOOTING, THE MX DETERMINED FUEL FLOW TRANSMITTER WAS BAD. MX RECEIVED A UNIT FROM PARTS AND INSTALLED ON ACFT, WHEN THE MX WENT TO RUN THE ACFT HE WAS UNABLE TO KEEP THE ENGINE RUNNING, INSTALLESDR 2010FA0000255Pump · failedPILOT REPORTED INSTRUMENT AIR PRESSURE LOW AND GYRO WARNING LIGHT ON. UPON TROUBLESHOOTING THE MX DETERMINED THE AIR PUMP WAS NOT PRODUCING ENOUGH PRESSURE AT DIFFERENT POWER SETTINGS. INSTALLED NEW PUMP, SYSTEM WORKED NORMAL. NO PROBABLE CAUSE OR RECOMMENDATSDR 2010FA0000081Relay · intermittentLANDING GEAR WILL NOT RETRACK .SDR 2010FA0000082Relay · failedLANDING GEAR WILL NOT RETRACK OR EXTEND. DYNAMIC RELAY FAILED.SDR CA091124005Fuel Control · malfunctioned(CAN) ENGINE WOULD QUIT ON LANDING WHEN TAXIING OFF OF RUNWAY. FOUND FUEL CONTROL UNIT HAD AREAS OF TRAVEL ON MIXTURE SIDE WAS HARD TO MOVE. HAVE HAD THREE DIFFERENT AIRCRAFT WITH THE SAME PROBLEM ALL WITH LESS THAN 250 HRS TOTAL TIME ON OVERHAULED ENGINES ASDR 2009FA0000909Pump · contaminatedAT CRUISE, PILOT NOTICED SLOWER THAN NORMAL OPERATING SPEED WHICH COULD NOT BE INCREASED BY ADVANCING THE THROTTLE. FUEL FLOW CONTINUED TO DECREASE WITHOUT THROTTLE MOVEMENT. EMERGENCY LANDING WAS PERFORMED WITHOUT INCIDENT. AFTER LANDING ENGIN CONTINUED TOSDR CA101012005Shim · failedTHE BRASS SHIMS ARE "BRAKING" AND CAUSING THE TRIM TO TEMPORARY STICK WHEN GOING FROM ELECTRIC TRIM TO MANUAL OPERATION. PN OF THE AFFECTED PART IS P/N 4602.SDR CA090504003Plate · cracked(CAN) AFTER INSP, CAUSE OF FAILURE WAS DUE TO THE PLATE (PN 643629) HOLDING THE REAR COUNTERWEIGHT PINS IN, CRACKING AND FALLING OUT OF PLACE. ONCE PLATE HAS FAILED AND FALLEN OUT OF POSITION, THE COUNTERWEIGHT PIN IS FREE TO DRIFT OUT AND MAKE CONTACT WITH TSDR 2009FA0000220Relay · intermittentPILOT REPORTED AFTER PUTTING THE GEAR SELECTOR IN THE UP POSITION, THE GEAR WOULD NOT RETRACT. ON TROUBLESHOOTING, THE MECHANIC CYCLED GEAR SEVERAL TIMES AND GOT GEAR RETRACTION TO FAIL. REPLACED RELAY WITH NEW IAW DATE CODE MFD RW 0734. NO RECOMMENDATIONSSDR 2009FA0000094Fuel Control · faultyPILOT REPORTED ENGINE QUIT WHEN EXITING RUNWAY. UPON TROUBLESHOOTING, MECHANIC FOUND FCU HAD A ROUGH SPOT WHEN MOVING FUEL CONTROL ARM. FCU WAS REPLACED AND RUN-UP WAS PERFORMED AND OPS CHECK GOOD. NO RECOMMENDATIONS AT THIS TIME. (K)SDR 2009FA0000025Metering Unit · malfunctionedWHILE ON A TRAINING MISSION, THE PILOT NOTICED THE FUEL FLOW WAS 18 GPH DURING CLIMB, PILOT REPORTED FUEL FLOW WAS NORMAL ON TAKEOFF. ON TROUBLESHOOTING, THE MX FOUND THE ARM ON THE MIXTURE SIDE WAS VERY ROUGH. FUEL METERING UNIT WAS REPLACED AND RUN-UP WAS SDR 2009FA0000026Pump · low pressurePILOT REPORTED INSTRUMENT AIR PRESSURE LOW AT IDLE ON RUN UP. ON TROUBLESHOOTING, THE MECHANIC DETERMINED THE AIR PUMP WAS NOT PRODUCING ENOUGH PRESSURE AT IDLE. NO PROBABLE CAUSE OR RECOMMENDATIONS AT THIS TIME. (K)SDR CA070523001Line · fractured(CAN) OIL PRESSURE LINE FRACTURED AT FIREWALL CAUSING AN OIL LEAK ON THE INSIDE OF THE FIREWALL. LINE APPEARS TO BE HARD FROM AGE. AIRCRAFT LANDED WITHOUT ANY FURTHER PROBLEMS. (TC NR 20070523001)SDR 2006FA0000912Shaft · shearedPILOT REPORTED INSTRUMENT AIR PRESSURE WENT TO -0- IN FLIGHT, PILOT THEN SELECTED STANDBY PUMP AND RETURNED TO BASE. UP ON TROUBLESHOOTING THE MECHANIC REMOVED THE AIR PUMP AND FOUND THE SHAFT WAS SHEARED. NO PROBABLE CAUSE OR RECOMMENDATIONS AT THIS TIME. SDR 2006FA0000913Shaft · shearedPILOT REPORTED INSTRUMENT AIR PRESSURE WENT TO -0- IN FLIGHT, PILOT THEN SELECTED STANDBY PUMP AND RETURNED TO BASE. UPON TROUBLESHOOTING, THE MECHANIC REMOVED THE AIR PUMP AND FOUND THE SHAFT WAS SHEARED. NO PROBABLE CAUSE OR RECOMMENDATIONS AT THIS TIME. SDR 2006FA0000346Pump · wornPILOT REPORTED THAT AT 1700 RPM INSTRUMENT AIR PRESSURE (3.5 HG) UPON TROUBLESHOOTING OF THE INSTRUMENT AIR PRESSURE SYSTEM TECHNICIAN FOUND AIR PUMP WAS NOT PRODUCING ENOUGH PRESSURE. PROBABLE CAUSE IS UNKNOWN AT THIS TIME. NO RECOMMENDATION AT THIS TIME EISDR 2005FA0001439Relay · intermittentGEAR WOULD NOT RETRACT MADE NO NOISE AT ALL. MAINTENANCE TECH TROUBLESHOOT GEAR SYSTEM AND FOUND THAT THE DYNAMIC RELAY WAS INTERMITTENT. NO RECOMMENDATION AT THIS TIME. (K)SDR 2005FA0001265Nozzle · brokenON ROUTINE PHASE INSPECTION THE FUEL INJECTOR NOZZLES WERE REMOVED FOR CLEANING, AT THIS TIME THE MECHANIC DIDN’T NOTICE ANY DEFECTS. THE NOZZLES WERE THEN PLACED IN A CLEANING TANK AND AFTER REMOVING THEM FROM THE TANK THE MECHANIC NOTICED THE RING THAT THE SDR 2005FA0001090Pump · vibratesPILOT REPORTED WHINING NOISE COMING FROM ENGINE AND FELT A VIBRATION COMING THROUGH THE MIXTURE CONTROL CABLE. TROUBLESHOOTING, THE MECHANIC FOUND THE AIR PUMP WAS VIBRATING. NO PROBABLE CAUSE OR RECOMMENDATIONS AT THIS TIME. (K)SDR 2005FA0000984Relay · interferenceGEAR REMAINS DOWN WHEN GEAR HANDLE IS SELECTED FOR GEAR UP. MAINTENANCE TECH TROUBLESHOOT GEAR SYS AND FOUND THAT THE DYNAMIC RELAY WAS INTERMITTENT. NO RECOMMENDATION AT THIS TIME. DYNAMIC RELAY MFD 0445. (K)SDR 2005FA0000997Relay · failedDURING GEAR EXTENSION, GEAR DID NOT EXTEND. TROUBLESHOOTING SYSTEM FOUND DYNAMIC RELAY, DOWN SIDE OF RELAY TO RELEASE AND ALLOW GEAR TO EXTEND DOWN. PROBABLE CAUSE IS STICKING DOWN RELAY MODULE RETURNED TO MFG FOR ANALYSIS. RECOMMENDATION IS FOR MFG TO DEVESDR 2005FA0000928Relay · intermittentGEAR HANDLE HAS TO BE RECYCLED BEFORE GEAR COMES UP. MAINTENANCE TECHNICIAN TROUBLESHOOT GEAR SYSTEM AND FOUND THAT THE DYNAMIC RELAY WAS INTERMITTENT. NO RECOMMENDATION AT THIS TIME. DYNAMIC RELAY MFG 0504. (K)SDR 2005FA0000924Relay · intermittentAFTER TAKEOFF AND GEAR HANDLE SELECTED FOR GEAR UP. THE LANDING GEAR WOULDN’T CYCLE UP. STILL SHOWING 3 GREEN LIGHTS AND ON INTRASIT LIGHT. MAIN TECH TROUBLESHOOT SYSTEM AND FOUND THAT THE DYNAMIC RELAY WAS INTERMITTENT. NO RECOMMENDATIONS AT THIS TIME. (SDR 2005FA0000926Pump · weakPILOT REPORTED LOW INSTRUMENT AIR PRESSURE AT 1000 RPM. TROUBLESHOOTING SYSTEM FOUND TO BE OK, DETERMINED AIR PUMP WAS NOT PUTTING OUT SUFFICIENT PRESSURE. NO PROBABLE CAUSE OR RECOMMENDATIONS AT THIS TIME. (K)SDR 2005FA0000927Relay · intermittentLANDING GEAR WOULD NOT RETRACT AFTER THE 5TH CYCLE OF THE LANDING GEAR. MAINTENANCE TECHNICIAN TROUBLESHOOT GEAR SYSTEM AND FOUND THAT THE DYNAMIC RELAY WAS INTERMITTENT. NO RECOMMENDATION AT THIS TIME. (K)SDR 2005FA0000903Transmitter · false indicationPILOT REPORTED THAT FUEL FLOW WENT TO ZERO INDICATION DURING CLIMB OUT. ALL OTHER ENGINE INDICATIONS NORMAL. UPON TROUBLESHOOTING OF THE FUEL FLOW SYSTEM FOUND FUEL FLOW TRANSMITTER WAS SENGIND ZERO FUEL FLOW READINGS TO FUEL FLOW INSTRUMENT. NO RECOMMENDATSDR 2005FA0000929Transmitter · reads highDURING POST PHASE INSPECTION RUN-UP. TECHNICIAN FOUND FUEL FLOW READING 25.5 PSI AT HIGH RPM. INSTALLED FUEL PRESSURE METERING GAGES AND FOUND FUEL TRANSMITTER READING HIGH ON ENGINE INSTRUMENT. NO RECOMMENDATIONS AT THIS TIME. (K)SDR 2005FA0000511Relay · intermittentWHILE IN FLIGHT, PILOT SWITCHED LANDING GEAR HANDLE TO THE DOWN POSITION AND NO RESPONSE APPROX 2 MIN LATER GEAR CAME DOWN. MAINTENANCE TECH TROUBLESHOT GEAR SYSTEM AND FOUND THAT THE DYNAMIC RELAY WAS INTERMITTENT. NO RECOMMENDATION AT THIS TIME. (K)SDR 2005FA0000415Relay · failedDURING GEAR RETRACTION, GEAR WAS VERY SLOW TO EXTEND. TROUBLESHOOTING SYSTEM FOUND DYNAMIC RELAY WAS LOOSING 12 VOLTS ACROSS DOWN RELAY SIDE. PROBABLE CAUSE AT THIS TIME IS UNKNOWN RETURNED TO MFG FOR ANALYSIS. NO RECOMMENDATION AT THIS TIME. (K)SDR 2005FA0000414Relay · failedPILOT SELECTED GEAR DOWN AND NOTHING HAPPENED. LANDING GEAR WOULD NOT EXTEND. FLIGHT CREW EXTENDED LANDING GEAR MANUALLY AND LANDED WITHOUT INCIDENT. MAINTENANCE TECH TROUBLESHOT GEAR SYSTEM AND FOUND THAT THE DYNAMIC BRAKE RELAY WAS INTERMITTENT. PROBABLESDR 2005FA0000465Pump · damagedDURING FLIGHT, FLIGHT CREW NOTICED THAT AIR PRESSURE WAS READING ZERO. LANDED AIRCRAFT AND MAINTENANCE INSPECTED AND FOUND THE ENGINE DRIVEN DRY AIR PUMP SHAFT WAS SHEARED. PROBABLE CAUSE IS UNKNOWN. (K)SDR 2005FA0000195Pump · inoperativeENGINE KEPT DYING AT IDLE. MAINTENANCE TECH TROUBLESHOT SYSTEM AND FOUND THAT THE ENGINE DRIVEN FUEL PUMP PRESSURE WILL NOT STABILIZE. VARIES BETWEEN 7.5 TO 10 PSI. REMOVED AND REPLACED ENGINE DRIVEN FUEL PUMP OPS CHECK NORMAL. PROBABLE CAUSE INTERNAL FAILSDR 2005FA0000706Relay · intermittentPILOT SELECTED GEAR UP AND NOTHING HAPPENED. STILL INDICATING (3) GREEN LIGHTS LANDING GEAR WOULD NOT RETRACT. MAINTENANCE TECH TROUBLESHOT GEAR SYSTEM AND FOUND THAT THE DYNAMIC RELAY WAS INTERMITTENT. NO RECOMMENDATION AT THIS TIME. (K)SDR 2005FA0000705Relay · intermittentPILOT SELECTED GEARDOWN AND NOTHING HAPPENED. LANDING GEAR WOULD NOT EXTEND. FLIGHT CREW EXTENDED LANDING GEAR MANUALLY AND LANDED WITHOUT INCIDENT. MAINTENANCE TECH TROUBLESHOT GEAR SYSTEM AND FOUND THE DYNAMIC BRAKE RELAY WAS INTERMITTENT. RECOMMENDATIONSDR 2005FA0000013Motor · intermittentDURING FLIGHT OF AIRCRAFT, PILOT REPORTED GEAR WOULD NOT RETRACT. MAINTENANCE TECHNICIAN FOUND LANDING GEAR MOTOR WAS INTERMITTENT AND SLOW TO RETRACT. NO RECOMMENDATIONS AT THIS TIME.SDR 2005FA0000362Relay · intermittentPILOT SELECTED GEAR UP AND NOTHING HAPPENED. LANDING GEAR WOULD NOT RETRACT. MAINTENANCE TECHNICIAN TROUBLESHOOT GEAR SYSTEM AND FOUND THAT THE DYNAMIC RELAY WAS INTERMITTNET. NO RECOMMENDATION AT THIS TIME. (K)SDR 2005FA0001124Adapter · failedDURING ATTEMPTING TO START THE ENGINE. THE STARTER WOULD NOT TURN ENGINE TO START. MAINTENANCE TECHNICIAN FOUND THAT THE STARTER ADAPTER WOUD NOT ENGAGE TO START THE ENGINE DUE TO STARTER ADAPTER SLIPPING. REPLACED START ADAPTER AND ENGINE STARTED GOOD. NOSDR 2005FA0000234Adapter · slippedINSTALLED NEW ENGINE IN AIRCRAFT AND PERFORMING ENGINE SET UP. MAINTENANCE CREW NOTICED STARTER ADAPTOR SLIPPING. NEW PART SO REMOVED FOR WARRANTY. NO RECOMMENDATION AT THIS TIME. (K)SDR 2004FA0000719Oil Filter · tornWHILE THE MECHANIC WAS INSPECTING THE FILTER ELEMENT FOR METAL PARTICLES, NOTICED THE FILTER WAS TEARING AT THE SEAMS. PROBABLE CAUSE UNKNOWN, MFG HAS BEEN NOTIFIED.SDR 2004FA0000718Starter · failedDURING ATTEMPTING TO START THE ENGINE, THE STARTER WOULD NOT TURN ENGINE TO START. MAINTENANCE TECHNICIAN FOUND THAT THE STARTER WOULD NOT START THE ENGINE. REPLACED STARTER AND ENGINE STARTED.SDR 2004FA0000776Impulse Coupling · brokenPILOT REPORTED EXCESSIVE DROP ON LT MAGNETO ON ENGINE RUN UP. ON FURTHER INVESTIGATION THE MECHANIC FOUND THE IMPULSE COUPLING SPRING BROKEN. PROBABLE CAUSE AT THIS TIME IN UNKNOWN, AND THERE IS NO RECOMMENDATIONS AT THIS TIME EITHER.SDR VJ32004F00000Relay · intermittentPILOT REPORTED THAT LANDING GEAR FAILED TO EXTEND WHEN GEAR SWITCH SELECTED TO DOWN POSITION. AFTER GEAR HANDLE CYCLED SEVERAL TIMES GEAR CAME DOWN. UPON TROUBLE SHOOTING OF THE LANDING GEAR SYSTEM FOUND LANDING GEAR DYNAMIC RELAY INTERMITTENT.SDR 2004FA0000267Relay · intermittentPILOT REPORTED THAT LANDING GEAR WOULD NOT EXTEND. AFTER GEAR HANDLE CYCLED SIX TIMES GEAR CAME DOWN. UPON TROUBLESHOOTING OF THE LANDING GEAR SYSTEM FOUND LANDING GEAR DYNAMIC RELAY INTERMITTENT. NO RECOMMENDATIONS AT THIS TIME.SDR 2004FA0000098Throttle Cable · inoperativeDURING LANDING PILOT REPORTED THAT HE COULD NOT RETARD THROTTLE. SUSPECT BEARINGS INSIDE CABLE ARE FREEZING UP. REMOVED AND REPLACED CABLE ASSY.SDR W592003F00001Bushing · shiftedAFTER TAKEOFF, THE PILOT DID NOT REDUCE RPM. DURING REMOVAL OF THE PROPELLER, THE REAR HUB BORE REPAIR BUSHING PN B-4776 WAS FOUND DISLOCATED FROM HUB IN THE CRANKSHAFT. THE LOSS OF THIS BUSHING CAUSED THE PROP HUB TO BECOME FILLED WITH OIL AND RESULTED IN ASDR 2003FA0001009Motor · wornPILOT REPORTED THAT LANDING GEAR WOULD NOT EXTEND. AFTER GEAR HANDLE CYCLED TWICE GEAR CAME DOWN. UPON TROUBLESHOOTING OF THE LANDING GEAR SYSTEM FOUND LANDING GEAR DYNAMIC RELAY INTERMITTENT AND LANDING GEAR MOTOR SLOW TO RETRACT AND EXTEND IAW MM. NO RECOSDR 2003FA0001011Relay · intermittentPILOT REPORTED THAT LANDING GEAR WOULD NOT EXTEND. AFTER GEAR HANDLE CYCLED TWICE GEAR CAME DOWN. UPON TROUBLESHOOTING OF THE LANDING GEAR SYSTEM FOUND LANDING GEAR DYNAMIC RELAY INTERMITTENT. NO RECOMMENDATIONS AT THIS TIME.SDR 2003FA0000956Transducer · intermittentDURING TAKE OFF POWER PILOT REPORTED THAT FUEL FLOW INDUCTION WENT TO 12GPH. UPON TROUBLESHOOTING OF THE FUEL SYSTEM MAINTENANCE TECHNICIAN FOUND FUEL FLOW TRANSDUCER WAS INTERMITTENT. NO RECOMMEND AT THIS TIME.SDR 2003FA0000954Transducer · failedFUEL FLOW WENT TO ZERO INDICATION IN FLT. TESTS SHOWED THAT HERTZ FLUCTUATED AND READ LOWER THAN PUBLISHED SPECIFICATIONS. SUSPECT INTERNAL FAILURE, PERHAPS IMPELLER IS STICKING. NOT RECOMMENDATIONS AT THIS TIME.
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