Lycoming IO-540-AE1A5

Service difficulty reports · 924

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 = 'IO540AE1A5'
  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 CA130925006Bushing · worn(CAN) DURING HELICOPTER 100 HR INSPECTION, THE RT MAGNETO WAS FOUND TO HAVE WORN BUSHINGS. MAGNETO REPLACED.Sep 16, 2013 · Robsin R44RAVENII · Magneto/DistributorSDR CA130925007Magneto · malfunctioned(CAN) MAGNETO INSTALLED DURING ACFT 100 HR INSPECTION. ENGINE WAS FOUND TO BE RUNNING ROUGH DURING POST MAINTENANCE GROUND RUN. MAGNETO REPLACED.Sep 15, 2013 · Robsin R44RAVENII · Magneto/DistributorSDR CA130912001Reservoir · venting(CAN) EXCESSIVE VENTING OF HYDRAULIC FLUID FROM HYDRAULIC RESERVOIR. HYDRAULIC RESERVOIR REPLACED.Sep 10, 2013 · Robsin R44RAVENII · Hydraulic Reservoir, MainSDR CA130829010Block · cracked(CAN) MAGNETO BLOCK FOUND CRACKED WHERE THE BUSHING IS INSTALLED IN THE BLOCK.Aug 29, 2013 · Magneto/DistributorSDR CA130829011Bushing · failed(CAN) MAGNETO BLOCK FOUND WITH THE BUSHING VERY LOOSE IN THE BLOCK.Aug 29, 2013 · Magneto/DistributorSDR CA130815009Distributor Blk · worn(CAN) DURING 100 HR INSPECTION OF THE ACFT, THE DISTRIBUTOR BLOCK BUSHING OF THE RT MAGNETO WAS FOUND WORN, MAGNETO REPLACED.Aug 14, 2013 · Robsin R44RAVENII · Magneto/DistributorSDR CA130813001Pump · leaking(CAN) DURING 100 HR INSPECTION OF THE ACFT THE ENGINE DRIVEN FUEL PUMP WAS FOUND TO BE LEAKING OIL. FUEL PUMP REPLACED.Aug 5, 2013 · Robsin R44RAVENII · Engine Fuel PumpSDR CA130813002Points · worn(CAN) DURING 100 HR INSPECTION OF THE ACFT THE MAGNETO TACH AND MAIN POINTS WERE FOUND TO BE OUT OF LIMITS. MAGNETO REPLACED.Aug 5, 2013 · Robsin R44RAVENII · Magneto/DistributorSDR CA130807010Pump · leaking(CAN) HYDRAULIC PUMP FOUND LEAKING FLUID FROM WEEP HOLE ONTO TAIL ROTOR PUSH/PULL TUBE AND TRANSMISSION DECK. HYDRAULIC PUMP REPLACED.Aug 2, 2013 · Robsin R44RAVENII · Hydraulic Pump (Electric/Engine), MainSDR CA130812004Sprag Clutch · failed(CAN) "SUDDEN YAW, GRINDING NOISE AND CLUTCH WARNING LIGHT IN STRAIGHT AN LEVEL FLIGHT, ALL WITHIN LESS THAN A SECOND. LANDED TO INSPECT THE ACFT, BUT COULDN`T FIND ANYTHING WRONG THAT WOULD HAVE BEEN VISIBLE. CONTINUED FLIGHT AFTER DISCUSSING THE ISSUE WITHAug 2, 2013 · Robsin R44RAVENII · Engine/Transmission CouplingSDR 2013FA0000491Rod End · failedINFLIGHT LOSS OF ENGINE POWER. THROTTLE WENT TO IDLE. UNABLE TO MOVE THROTTLE TO REGAIN POWER. GOVERNOR TURNED OFF. RESULTS THE SAME, NO ALILITY TO REGAIN POWER AUTOROTATED ON TO ROAD. INVESTIGATION REVEALED ROD END ORIENTATED TOWARDS ENGINE, PN A127-3 SEAug 1, 2013 · N441BJ · Robsin R44RAVENII · Power LeverSDR 2013FA0000492Pushrod Tube · failedINFLIGHT LOSS OF ENGINE POWER. THROTTLE WENT TO IDLE. UNABLE TO MOVE THROTTLE TO REGAIN POWER. GOVERNOR TURNED OFF. RESULTS THE SAME, NO ALILITY TO REGAIN POWER AUTOROTATED ON TO ROAD. INVESTIGATION REVEALED ROD END ORIENTATED TOWARDS ENGINE, PN A127-3 SEAug 1, 2013 · N441BJ · Robsin R44RAVENII · Power LeverSDR CA130802005Indicator · reads low(CAN) FUEL QTY INDICATOR READING LOW. COULD NOT ADJUST. FUEL QTY INDICATOR REPLACED.Jul 31, 2013 · Robsin R44RAVENII · Fuel Quantity IndicatorSDR CA130801001Battery · failed(CAN) UNABLE TO CRANK STARTER TO START ENGINE. BATTERY REPLACED.Jul 30, 2013 · Robsin R44RAVENII · Battery/Charger SystemSDR CA130801002Starter · inoperative(CAN) HELICOPTER WOULD NOT START. STARTER REPLACED.Jul 30, 2013 · Robsin R44RAVENII · Engine StarterSDR CA130802004Meter · out of limits(CAN) FUEL QUANTITY INDICATOR READING .1250 OF A TANK LOW THROUGHOUT RANGE. COULD NOT BE ADJUSTED. FUEL QTY INDICATOR REPLACED.Jul 30, 2013 · Robsin R44RAVENII · Fuel Quantity IndicatorSDR CA130730002Engine · making metal(CAN) DURING 100 HR INSPECTION THE ENGINE OIL FILTER WAS FOUND TO HAVE EXCESSIVE METAL CONTAMINATION. ENGINE REPLACED.Jul 28, 2013 · Robsin R44RAVENII · Engine (Reciprocating)SDR CA130729020Relay · failed(CAN) ON ENGINE WARM UP AFTER START, ENGINE BEGAN TO RUN ROUGH AND LOOSE POWER. THE PILOT SHUTDOWN THE ENGINE AND NOTED GRINDING NOISES, AT THAT POINT HE NOTIFIED MAINTENANCE. MAINTENANCE EXAMINED THE ENGINE FOR DAMAGE INCLUDING TURNING THE ENGINE THROUGH FULJul 26, 2013 · Robsin R44RAVENII · Communications SystemSDR CA130724005Block · cracked(CAN) BLOCK DATE CODE 11 09 FOUND CRACKED WHERE THE BUSHING IS INSTALLED IN THE BLOCKJul 19, 2013 · Magneto/DistributorSDR CA130718002Governor · malfunctioned(CAN) CONTROLLER RUNNING ENGINE TOO HIGH. PUSHING ENGINE TO 104 PERCENT. GOVERNOR CONTROLLER REPLACED.Jul 17, 2013 · Robsin R44RAVENII · Turbine GovernorSDR CA130724002Starter · failed(CAN) STARTER HAS SLOW CRANKING SPEED. STARTER REPLACED.Jul 17, 2013 · Robsin R44RAVENII · Engine StarterSDR CA130719004Tachometer · binding(CAN) DURING GROUND RUN FOLLOWING 50 HOUR INSPECTION THE DUAL TACH WAS FOUND TO BE STICKING ON START-UP. DUAL TACH REPLACED.Jul 13, 2013 · Robsin R44RAVENII · Main Rotor Indicating SystemSDR CA130715018Reservoir · leaking(CAN) DURING ACFT 50/100 HOUR INSPECTION THE HYDRAULIC RESERVOIR WAS FOUND TO BE LEAKING FLUID FROM VENT. HYDRAULIC RESERVOIR REPLACED.Jul 11, 2013 · Robsin R44RAVENII · Hydraulic Reservoir, MainSDR CA130713001Block · cracked(CAN) MAGNETO FOUND CRACKED WHERE THE BUSHING IS INSTALLED IN THE BLOCK.Jul 9, 2013 · Robsin R44RAVENII · Magneto/DistributorSDR CA130702011Starter · inoperative(CAN) ACFT WOULD NOT START. STARTER REPLACED.Jul 2, 2013 · Robsin R44RAVENII · Engine StarterSDR CA130708001Starter Gen · failed(CAN) ACFT WOULD NOT START. STARTER REPLACED.Jun 29, 2013 · Robsin R44RAVENII · Starter-GeneratorSDR CA130708002Battery · discharged(CAN) DURING 50/100 HR INSPECTION OF THE HELICOPTER THE BATTERY VOLTAGE WAS FOUND TO BE LOW. BATTERY REPLACED.Jun 28, 2013 · Robsin R44RAVENII · Battery/Charger SystemSDR CA130617012Actuator · worn(CAN) DURING ACFT INSPECTION MOVEMENT WAS NOTED BETWEEN THE CLUTCH ACTUATOR GEARBOX HSG AND SHAFT.Jun 16, 2013 · Robsin R44RAVENII · Engine/Transmission CouplingSDR CA130617005Alternator · failed(CAN) ALTERNATOR WARNING LIGHT STAYING ON. ALTERNATOR REPLACED.Jun 13, 2013 · Robsin R44RAVENII · AC Generator-AlternatorSDR CA130617006Starter · inoperative(CAN) ACFT WOULD NOT START. STARTER REPLACED.Jun 13, 2013 · Robsin R44RAVENII · Engine StarterSDR CA130608001Block · loose(CAN) BLOCK FOUND CRACKED WHERE THE BUSHING IS PUSHED INTO THE BLOCK AND THE BUSHING IS LOOSE.Jun 6, 2013 · Magneto/DistributorSDR CA130608002Block · cracked(CAN) BLOCK FOUND CRACKED WHERE THE BUSHING IS PUSHED INTO THE BLOCK.Jun 6, 2013 · Magneto/DistributorSDR CA130529009Reservoir · leaking(CAN) HYDRAULIC RESERVOIR FOUND TO BE LEAKING. RESERVOIR REPLACED.May 26, 2013 · Robsin R44RAVENII · Hydraulic Reservoir, MainSDR CA130522007Starter · malfunctioned(CAN) STARTER HAS VERY SLOW CRANKING SPEED. STARTER REPLACED.May 22, 2013 · Robsin R44RAVENII · Engine StarterSDR CA130522003Magneto · malfunctioned(CAN) PILOT REPORTED ENGINE RPM INDICATING HIGH AND ROTOR RPM INDICATING LOW. GOVERNOR HUNTING DURING GROUND RUN. A HIGH PITCH ABNORMAL NOISE WAS HEARD WHEN REDUCING POWER SETTING. MAINTENANCE OBSERVED ERRATIC TACH INDICATION DURING GROUND RUN. RT MAGNETO RMay 16, 2013 · Robsin R44RAVENII · Magneto/DistributorSDR CA130517002Reservoir · leaking(CAN) DURING HELICOPTER 50 HR INSPECTION, THE HYDRAULIC RESERVOIR WAS FOUND TO BE VENTING FLUID. HYDRAULIC RESERVOIR REPLACED.May 15, 2013 · Robsin R44RAVENII · Hydraulic Reservoir, MainSDR CA130530006Points · out of adjust(CAN) NO MAG DROP, RUNNING LIVE AT ALL TIMES. MAGNETO REPLACED. POINTS FOUND IMPROPERLY GAPPED.May 13, 2013 · Robsin R44RAVENII · Magneto/DistributorSDR CA130430023Magneto · contaminated(CAN) DURING 50/100 HR INSPECTION OF THE ACFT THE RT MAGNETO WAS INSPECTED AND FOUND TO HAVE EXCESSIVE INTERNAL OIL CONTAMINATION. MAGNETO REPLACED.Apr 30, 2013 · Robsin R44RAVENII · Magneto/DistributorSDR CA130424002Pump · noisy(CAN) PILOT NOTED A TICKING SOUND FROM THE AREA OF THE MAIN ROTOR TRANSMISSION ON SHUTDOWN OF ACFT. MAINTENANCE IDENTIFIED THE HYDRAULIC PUMP AS THE SOURCE OF THE SOUND. HYDRAULIC PUMP REPLACED.Apr 19, 2013 · Robsin R44RAVENII · Hydraulic Pump (Electric/Engine), MainSDR CA130419003Cylinder · leaking(CAN) DURING AIRCRAFT 50/100 HR INSPECTION NR 3 CYLINDER WAS FOUND TO HAVE LOW COMPRESSION. CYLINDER REPLACED. INSPECTION OF REMOVED CYLINDER FOUND NO FAILED PARTS. EVIDENCE OF BLOW-BY ON CYLINDER WALLS.Apr 18, 2013 · Robsin R44RAVENII · Reciprocating Engine Cylinder SectionSDR CA130418005Reservoir · leaking(CAN) PILOT REPORTED RESISTANCE IN AFT CYCLIC MOVEMENT. HYDRAULIC RESERVOIR REPLACED.Apr 16, 2013 · Robsin R44RAVENII · Hydraulic Reservoir, MainSDR CA130410008Block · cracked(CAN) BLOCK FOUND CRACKED WHERE THE BUSHING IS PUSHED INTO THE BLOCK.Apr 5, 2013 · Magneto/DistributorSDR CA130410009Block · cracked(CAN) BLOCK FOUND CRACKED WHERE THE BUSHING IS PUSHED INTO THE BLOCK.Apr 5, 2013 · Magneto/DistributorSDR CA130321005Block · cracked(CAN) BLOCK FOUND CRACKED WHERE THE BUSHING MEETS THE BLOCK.Mar 20, 2013 · Magneto/DistributorSDR L9QR20130410002Yoke · failedONE OF THE MAGNETS CAME LOOSE FROM THE MAIN GEAR BOX YOKE, THERE ARE 2 MAGNETS IN THIS HALL EFFECT MAIN ROTOR RPM SENCING SYS WHEN ONE OF THE MAGNETS CAME SEPARATED FROM THE YOKE YOU LOOSE RPM INDICATION AND THE LOW ROTOR RPM WARNING HORN AND LIGHT THEN ACTIVMar 11, 2013 · N392GP · Robsin R44 · Main Rotor GearboxSDR CA130312015Coil · worn(CAN) MAGNETO HAS A LOT OF CONTAMINANTS FROM ELECTRICAL ARCING. COIL CORE LAMINATIONS WORN DUE TO LOOSE FIT IN HOUSING POLE SHOE LAMINATIONS.Mar 11, 2013 · Magneto/DistributorSDR CA130308006Throttle Cable · stiff(CAN) MIXTURE AND THROTTLE CABLES FOUND TO BE STIFF DURING GROUND RUN OF THE ACFT. FUEL CONTROL UNIT REPLAVED.Mar 6, 2013 · Robsin R44RAVENII · Fuel Control/Reciprocating EnginesSDR CA130308007Servo · leaking(CAN) HYDRAULIC SERVO FOUND TO BE LEAKING DURING 50 HR INSPECTION OF THE HELICOPTER. HYDRAULIC SERVO REPLACED.Mar 6, 2013 · Robsin R44RAVENII · Hydraulic System, MainSDR CA130312014Block · cracked(CAN) BLOCK FOUND CRACKED WHERE THE BUSHING IS PUSHED INTO THE BLOCK.Mar 6, 2013 · Magneto/DistributorSDR CA130306009Gearbox · corroded(CAN) DURING 50/100 HR INSPECTION OF THE HELICOPTER, THE TAIL ROTOR GEARBOX OUTPUT SHAFT WAS FOUND TO HAVE SOME CORROSION PITTING. MINOR CORROSION ALSO FOUND ON TAIL ROTOR PITCH CHANGE ASSEMBLY, PN: C031-1, SN: 3693. TAIL ROTOR GEARBOX AND PITCH CHANGE REPLAMar 5, 2013 · Robsin R44RAVENII · Main Rotor Gearbox
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