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 CA080122001Magneto · unserviceable(CAN) RT MAGNETO FOUND UNSERVICEABLE ON PREFLIGHT. MAGNETO CHANGED, GROUND RUN AND LEAK CHECK CARRIED OUT SERVICEABLE. (TC NR 20080122001)Jan 8, 2008 · Robsin R44RAVENII · Magneto/DistributorSDR CA080105003Starter · inoperative(CAN) ENGINE WOULD NOT START, STARTER NOT ENGAGING. SERVICEABLE STARTER INSTALLED, ENGINE STARTED WITH OUT FURTHER INCIDENT. (TC NR 20080105003)Jan 1, 2008 · Robsin R44RAVENII · Engine StarterSDR CA080103001Magneto · inoperative(CAN) AFTER ROUTINE START ENGINE RPM AND OR GOVENOR BEGAN TO HUNT. PROBLEM PERSISTED EVEN AFTER ENGINE WARMED UP. ENGINE SHUTDOWN AND RT MAGNETO REPLACED. GROUND RUN CARRIED AND NO DEFECTS FOUND WITH NEW MAGNETO. (TC NR 20080103001)Dec 24, 2007 · Robsin R44RAVENII · Magneto/DistributorSDR CA071224001Wire Harness · chafed(CAN) AC HAD AN INTERMITTENT PROBLEM WITH ITS FUEL PUMP WARNING LIGHT. INTERMITTENTLY THE AUX FUEL PUMP WARNING LIGHT WOULD FLICKER ON AND OFF AT APPROX. 60 PERCENT BRIGHTNESS DURING A LONG FLIGHT. AN ENGINEER CHANGED THE AUX FUEL PUMP AND THE FUEL PRESSURE SWDec 23, 2007 · Robsin R44RAVENII · Fuel System WiringSDR CA080103004Servo · leaking(CAN) DURING A POST FLIGHT INSPECTION THE HYDRUALIC SERVO WAS FOUND LEAKING AT THE PILOT VALVE. SERVO CHANGED AND LEAK CARRIED OUT SERVICEABLE. (TC NR 20080103004)Dec 23, 2007 · Robsin R44RAVENII · Hydraulic System, MainSDR CA080103008Cover · loose(CAN) DURING A 50/100 HOUR INSPECTION, THE STARTER COOLING COVER WAS FOUND LOOSE. THE 3 SCREWS HOLDING IT IN PLACE HAD LOOSENED OFF. THE STARTER WAS REPLACED, GROUND RUN CHECKED SERVICEABLE. (TC NR 20080103008)Dec 22, 2007 · Robsin R44RAVENII · Engine StarterSDR CA071224003Pump · failed(CAN) WHILE ATTEMPTING TO START THE AIRCRAFT, THE AUX FUEL PUMP FAILED TO RUN. FURTHER INVESTIGATION REVEALED THE PUMP AND AUX FUEL PUMP PRESSURE SWITCH (P/N B426-6) HAD FAILED. PUMP AND SWITCH WERE REPLACED AND NO FURTHER DEFECTS WERE NOTED. (TC NR 2007122400Dec 20, 2007 · Robsin R44RAVENII · Engine Fuel PumpSDR CA071217007Pump · failed(CAN) PILOT ATTEMPTED TO START AIRCRAFT, BUT FAILED. FURTHER INVESTIGATION REVEALED THE AUX FUEL PUMP DID NOT SUPPLY FUEL TO START AIRCRAFT. PUMP WAS REPLACED AND NO FURTHER ISSUES WERE NOTED. (TC NR 20071217007)Dec 17, 2007 · Robsin R44RAVENII · Engine Fuel PumpSDR CA071214010Rod End · separated(CAN) ENGINE HAD HIGH IDLE, TRYED TO ADJUST AND WAS UNABLE TO BRING IDLE BELOW 64 PERCENT ENG RPM. INSPECTED THROTTLE LINKAGE AND FOUND ROD END BRG OUTER HOUSING SEPARATED FROM STAKED IN SPHERICAL BEARING. POSSIBLE LOST OF ENGINE CONTROL UNDER QUICK POWER CHANDec 14, 2007 · Robsin R44RAVENII · Power LeverSDR CA071211007Pump · leaking(CAN) DURING GROUND RUN, PUMP WAS FOUND LEAKING FROM DRAIN. PUMP REPLACED, NO FURTHER DEFECT. (TC NR 20071211007)Dec 11, 2007 · Robsin R44RAVENII · Engine Fuel PumpSDR CA071203003Pump · failed(CAN) THE AUXILIARY FUEL PUMP LIGHT CAME, AND WOULD NOT EXTINQUISH. TROUBLESHOOTING REVEALED THAT THE PUMP WAS NO LONGER PUMPING FUEL. THE PUMP WAS CHANGED, LEAK, AND FUNCTION CHECKED SERVICEABLE. (TC 20071203003)Dec 3, 2007 · Robsin R44RAVENII · Engine Fuel PumpSDR CA071204006Pump · failed(CAN) THE AIRCRAFT WAS FLOWN FOR AN HOUR AND THEN SHUTDOWN TO WAIT FOR CUSTOMERS. THE AC WAS RE-STARTED A HALF HOUR LATER AND THE PILOT TRIED TO LIFT OFF, WHEN THE ENGINE LOST PARTIAL POWER AND THE MANIFOLD PRESSURE ROSE ABNORMALLY. THE POWER SETTINGS CAME BADec 2, 2007 · Robsin R44RAVENII · Engine Fuel PumpSDR CA071211006Pump · leaking(CAN) DURING A 50 HOUR INSPECTION THE ENGINE DRIVE FUEL PUMP WAS FOUND LEAKING FROM SEAL. (INNER DIAPHRAM) (TC NR 20071211006)Nov 30, 2007 · Robsin R44RAVENII · Engine Fuel PumpSDR CA071128017Servo · leaking(CAN) WHILE CARRYING OUT A 100 HOUR INSP THE FWD LT HYDR SERVO WAS DISCOVERED LEAKING. SERVO WAS REPLACED, GROUND RUN AND LEAK CHECK CARRIED OUT SERVICEABLE (TC NR 20071128017)Nov 26, 2007 · Robsin R44RAVENII · Rotorcraft Servo SystemSDR CA071127005Pump · failed(CAN) WHEN PILOT TRIED TO PULL THE AC UP IN A HOVER, THE ENGINE DECELERATED (BOGGED DOWN) UNTIL THE COLLECTIVE WAS LOWERED. THIS WAS TRIED SEVERAL TIMES WITH NO SUCCESS. ALL INDICATIONS WERE NORMAL, TEMPS, PRESSURES, MAG DROPS, ETC. WHILE WAITING FOR THE ENGINov 25, 2007 · Robsin R44RAVENII · Engine Fuel PumpSDR CA071130006Starter · failed(CAN) A PILOT ATTEMPTING A START THE AC AND FAILED TO TURN OVER. FURTHER INVESTIAGTION REVEALED STARTER WAS DEFECTIVE. STARTER WAS REPLACED AND NO FURTHER ISSUES WERE NOTED. (TC NR 20071130006)Nov 23, 2007 · Robsin R44RAVENII · Starter-GeneratorSDR CA071122007Magneto · failed(CAN) ENGINE START ATTEMPTED, RT MAGNETO FAILED TO OPERATE. (TC NR 20071122007)Nov 21, 2007 · Robsin R44RAVENII · Magneto/DistributorSDR CA071127004Servo · leaking(CAN) WHILE CARRYING OUT A 100 HOUR INSPECTION THE FWD LT SERVO WAS FOUND LEAKING. THE SERVO WAS CHANGED, GROUND RUN AND LEAK CHECK CARRIED OUT WITH OUT FURTHER INCIDENT. (TC NR 20071127004)Nov 20, 2007 · Robsin R44RAVENII · Rotorcraft Servo SystemSDR CA071109008Pump · weak(CAN) ENGINE DRIVEN PUMP FOUND TO BE WEAK WILL NOT SUSTAIN ENGINE IDLE ON IT`S OWN. (TC NR 20071109008)Nov 3, 2007 · Robsin R44RAVENII · Engine Fuel PumpSDR CA071109009Pump · weak(CAN) ELECTRIC AUX FUEL PUMP WEAK, MOTOR SOUNDED LIKE IT WAS OVERWORKING. (TC NR 20071109009)Nov 3, 2007 · Robsin R44RAVENII · Fuel Boost PumpSDR CA071109010Fuel Control · inoperative(CAN) DURING MAINTENANCE GROUND RUN, THE ENGINE WAS HESITATING AT 70 PERCENT AND THEN DROOPS TO 65 PERCENT OR LESS. FUEL CONTROL NOT RESPONDING TO THROTTLE INPUT CORRECTLY. (TC NR 20071109010)Nov 3, 2007 · Robsin R44RAVENII · Fuel Control/Reciprocating EnginesSDR CA071030009Pump · leaking(CAN) DURING AN INSPECTION, THE ENGINEER NOTED THAT THE ENGINE DRIVEN FUEL PUMP HAD EVIDENCE OF OIL LEAKAGE AROUND THE SEAL AREA (BODY). PUMP WAS REMOVED, REPLACED AND NO FURTHER ISSUES WERE NOTED. THERE HAS BEEN MANY OF THE THESE PUMPS LATELY WITH VARIOUS HRSOct 29, 2007 · Robsin R44RAVENII · Engine Fuel PumpSDR CA071128007Frame · broken(CAN) THE HELICOPTER WAS IN FOR A SCHEDULED 100 HOUR INSPECTION AND THE BROKEN FRAME WAS DISCOVERED BY THE AME. THE AIRCRAFT WAS GROUNDED AND A NEW PART WAS ORDERED AND INSTALLED. (TC NR 20071128007)Oct 24, 2007 · Robsin R44RAVENII · Fuselage Main, FrameSDR CA071024003Diaphragm · torn(CAN) FUEL PUMP CHANGED DUE TO EXTERNAL OIL LEAKAGE. THIS USER HAS HAD 14 OF THESE FUEL PUMPS FAIL OVER THE LAST 8 MONTHS. THIS WAS THE FIRST PUMP DIASSEMBLED. IT WAS QUITE EVIDENT THAT THE UPPER DIAPHRAM HAD RUPTURED. THE SIDE OF UPPER DIAPHRAM MATERIAL EXPOSOct 23, 2007 · Robsin R44RAVENII · Engine Fuel PumpSDR CA071019001Sight Glass · loose(CAN) DURING INSPECTION, IT WAS NOTED THAT THERE WAS FLUID LEAKING AROUND THE TAIL ROTOR GEARBOX SIGHT GLASS. THE PART WAS REMOVED AND REPLACED WITH A NEW PART. IT WAS FURTHER EXAMINED AND NOTED THE GLASS COULD ROTATE IN THE HOUSING, NO LONGER SECURE ALLOWING Oct 17, 2007 · Robsin R44RAVENII · Tail Rotor GearboxSDR CA071019003Pump · failed(CAN) DURING AN ATTEMPTED START UP THE AIRCRAFT FAILED TO START. IT WAS FOUND THAT THE AUXILIARY FUEL PUMP HAD FAILED. PUMP WAS REPLACED AND NO FURTHER ISSUES WERE NOTED. (TC NR 20071019003)Oct 13, 2007 · Robsin R44RAVENII · Engine Fuel PumpSDR CA071022008Arm · binding(CAN) INTERMITTENT ROTOR DROOP. FOUND BINDING ARM ON FUEL CONTROL CAUSING ERRATIC GOVERNOR OPERATION. (TC NR 20071022008)Oct 9, 2007 · Robsin R44RAVENII · Fuel Control/Reciprocating EnginesSDR CA071030011Diaphragm · leaking(CAN) DURING INSPECTION, ENGINEER DISCOVERED OIL LEAKAGE FROM VENT. SUSPECT DAMAGED DIAPHRAGM. (TC NR 20071030011)Oct 8, 2007 · Robsin R44RAVENII · Engine Fuel PumpSDR CA071128019Tailpipe · burned(CAN) PILOT REPORTED ODOR OF EXHAUST IN CABIN. INSPECTION OF EXHAUST COMPLIED WITH AND FOUND BURNED OUT AREA AT TAILPIPE JUNCTION. CF90-03R2 COMPLIED WITH 72.8 HRS PREVIOUS WITH NO DEFECTS FOUND AT THAT TIME. EXHAUST REPLACED. (TC NR 20071128019)Oct 6, 2007 · Robsin R44RAVENII · Engine Collector/Tailpipe/NozzleSDR CA071114004Shroud · cracked(CAN) THE PILOT SMELLED EXHAUST FUMES IN THE CABIN WHILE IN CRUISE FLIGHT. THE PILOT THEN CLOSED THE HEATER CONTROL AND OPENED THE VENTS FOR FRESH AIR. THE PILOT THEN FLEW BACK TO THE BASE FOR THE ENGINEER TO INSPECT. THE ENGINEER FOUND A CRACK IN THE EXHAUSOct 5, 2007 · Robsin R44RAVENII · Heating SystemSDR CA071004001Starter · inoperative(CAN) ZERO TIMED STARTER INSTALLED ON AIRCRAFT. WOULD NOT TURN OVER DURING FUNCTIONAL CHECK. (TC NR 20071004001)Oct 3, 2007 · Robsin R44RAVENII · Engine StarterSDR CA071022003Starter · cracked(CAN) REMOVED DUE TO CRACKED BASE. (TC NR 20071022003)Sep 30, 2007 · Robsin R44RAVENII · Engine StarterSDR CA071004007Starter · malfunctioned(CAN) STARTER WOULD NOT DISENGAGE AFTER START. AFTER SHUTDOWN GEAR HAD TO BE PRYED BACK TO DISENGAGE. (TC NR 20071004007)Sep 18, 2007 · Robsin R44RAVENII · Engine StarterSDR CA071004005Servo · leaking(CAN) DURING 50/100 HOUR INSPECTION HYDRAULIC SERVO FOUND LEAKING FROM PILOT VALVE.Sep 18, 2007 · Robsin R44RAVENII · Rotorcraft Servo SystemSDR CA071022009Line · leaking(CAN) PUMP REPLACED DURING TROUBLESHOOTING SMALL LEAK AT SPLIT LINE ON PUMP. (TC NR 20071022009)Sep 12, 2007 · Robsin R44RAVENII · Hydraulic Pump (Electric/Engine), MainSDR CA071022010Reservoir · venting(CAN) HYDRAULIC RESERVOIR VENTING. (TC NR 20071022010)Sep 12, 2007 · Robsin R44RAVENII · Hydraulic Reservoir, MainSDR CA071022007Clutch · slipped(CAN) CLUTCH REMOVED DUE TO PROBLEMS AT HIGH POWER SETTINGS. POSSIBLE CLUTCH SLIPPAGE. (TC NR 20071022007)Sep 9, 2007 · Robsin R44RAVENII · Engine/Transmission CouplingSDR CA070910002Pump · unserviceable(CAN) AUX FUEL PUMP FOUND UNSERVICEABLE DURING DI REPLACED AND NO FURTHER ISSUES WERE NOTED. (TC NR 20070910002)Sep 5, 2007 · Robsin R44RAVENII · Engine Fuel PumpSDR CA070917008Magneto · failed(CAN) DURING START UP THE AIRCRAFT THE RT MAGNETO FAILED. MAGNETO WAS REPLACED AND NO FURTHER ISSUES WERE NOTED. (TC NR 20070917008)Aug 29, 2007 · Robsin R44RAVENII · Magneto/DistributorSDR CA070829001Starter Gen · intermittent(CAN) DURING AN ATTEMPTED START THE STARTER FUNCTION WAS INTERMITTENT. STARTER WAS REPLACED AND NO FURTHER ISSUES WERE NOTED. (TC NR 20070829001)Aug 19, 2007 · Robsin R44RAVENII · Starter-GeneratorSDR CA070808001Muffler · cracked(CAN) DURING SCHEDULED INSPECTION. AD CF90-03R2 BEING ACCOMPLISHED, A LARGE CRACK WAS FOUND AT THE TAILPIPE ATTACHMENT POINT, IN THE MUFFLER SUB-ASSY. IT WAS DIFFICULT TO DETERMINE ROOT CAUSE OF CRACK ORIGINATION, BUT POSSIBLE CAUSE WAS IMPACT WITH FOREIGN OAug 7, 2007 · Robsin R44RAVENII · Engine Noise SuppressorSDR CA070827011Servo · malfunctioned(CAN) DURING START UP, THE AIRCRAFT COULD DEVELOP AND POWER ABOVE 80 TO 85 PERCENT POWER INPUTS. THE SERVO WAS INSTALLED AND REMOVED WITH A TOTAL OF 3.7 HRS IN OPERATION ON THIS AIRCRAFT. SERVO WAS SENT FOR REPAIR AND CONTAMINATION WAS REPORTED TO BE THE CAUSEJul 31, 2007 · Robsin R44RAVENII · Engine Fuel and ControlSDR CA070827012Magneto · failed(CAN) DURING START UP THE AIRCRAFT THE RT MAGNETO FAILED. MAGNETO WAS REPLACED AND NO FURTHER ISSUES WERE NOTED. (TC NR 20070827012)Jul 29, 2007 · Robsin R44RAVENII · Magneto/DistributorSDR CA070827014Transmitter · erratic(CAN) DURING A 50 HR INSPECTION IT WAS NOTED THAT THE AUX FUEL TANK INDICATION SYSTEM HAD ERRATIC MOVEMENT. THE SENDER WAS REPLACED, FUEL SYSTEM CALIBRATION WAS CARRIED AND NO FURTHER ISSUES WERE NOTED.Jun 26, 2007 · Robsin R44RAVENII · Fuel Quantity SensorSDR CA070827016Servo · leaking(CAN) DURING A 50/300 HR INSPECTION, IT WAS NOTED THAT THE AFT SERVO WAS LEAKING. SERVO WAS REPLACED AND NO FURTHER DEFECTS WERE NOTED. (TC NR 20070827016)Jun 26, 2007 · Robsin R44RAVENII · Rotorcraft Servo SystemSDR CA070827017Pump · defective(CAN) DURING A MAINTENANCE INSPECTION A FUNCTION CHECK WAS CARRIED OUT ON THE AUX FUEL PUMP AND SOUNDS BEGAN TO COME FROM THE PUMP WHICH IS NOT PART OF IT`S NORMAL OPERATION. PUMP WAS REPLACED AND NO FURTHER ISSUES WERE NOTED. (TC NR 20070827017)Jun 26, 2007 · Robsin R44RAVENII · Fuel Boost PumpSDR CA070622003Shaft · worn(CAN) LOUD (BANG) HEARD DURING FLIGHT. CLUTCH SUSPECTED. REMOVED TO INSPECT. CLUTCH WAS TORN DOWN IN THE COMPONENT SHOP AND SHAFT WAS FOUND WORN BEYOND LIMITS. SPRAG WAS MOST LIKELY DRAGGING ON THE SHAFT. CLUTCH AND SHAFT ASSY BEING SENT BACK FOR WARRANTY. (TJun 19, 2007 · Robsin R44RAVENII · Engine/Transmission CouplingSDR CA070531006Clutch · seized(CAN) LOUD BANG DURING POWER CHANGE ON APPROACH. INSPECTED AC AND FOUND CLUTCH ASSY ROUGH. TURNED IT A FEW TIMES BY HAND AND SEIZED. NEW CLUTCH ASSY INSTALLED, DEFECT RECTIFIED. CLUTCH BEING SENT TO OUR IN HOUSE COMPONENT SHOP FOR INVESTIGATION. WILL FWD THMay 29, 2007 · Robsin R44RAVENII · Engine/Transmission CouplingSDR CA070604003Link · cracked(CAN) DURING 100HR INSPECTION FOUND CRACKED STARTER GENERATOR LINK. (TC NR 20070604003)May 26, 2007 · Robsin R44RAVENII · Starter-GeneratorSDR CA070629003Reservoir · leaking(CAN) DURING POST INSPECTION RUN UPS, IT WAS WITNESSED THE HYDRAULIC RESERVIOR WAS VENTING HYDRAULIC FLUID OUT OF THE VENT. NO DETERMINING FACTOR COULD BE FOUND, SO THE RESERVIOR WAS REPLACED AND NO FURTHER ISSUES WERE NOTED. (TC NR 20070629003)May 25, 2007 · Robsin R44RAVENII · Hydraulic Reservoir, Main
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