Lycoming IO-540-C4B5

Service difficulty reports · 182

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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 = 'IO540C4B5'
  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 20000713SH024Plug · failedPISTON PIN PLUG FAILED AND FILLED THE ENGINE WITH ALUMINUM. THESE ARE THE SEPARATE PUSH IN LARGE DIAMETER PLUGS. INSTALLATION DATE: 7/98. (X)Jun 13, 2000 · N40258 · Piper PA23250 · Reciprocating Engine Cylinder SectionSDR 20000615SH009Plug · deterioratedFOUND IN BOTH ENGINES DURING ANNUAL WHILE PERFORMING LYC 400-HOUR ROCKER ARM INSP, SEVERAL OF THE ROCKER SHAFT THRUST BUTTONS WERE FOUND DETERIORATING. A COUPLE OF THEM WERE FOUND BROKEN OFF AND OUT OF THE ROCKER SHAFT. THE OIL SCREEN WAS FOUND TO CONTAIN SOJun 5, 2000 · N17WE · Piper PA23250 · Reciprocating Engine Cylinder SectionSDR 20000613SH023Flyweight · crackedRELEVANT CRACK INDICATION AT BASE OF FLYWEIGHT. (X)May 25, 2000 · Piper PA23250 · Propeller GovernorSDR AU000490Gear · collapsed(AUS) NOSE LANDING GEAR COLLAPSED ON LANDING.May 3, 2000 · Piper PA23250 · Nose/Tail Landing GearSDR CA000511027Pitot Tube · burned out(CAN) WHEN PITOT HEAT WAS SELECTED, CIRCUIT BREAKER TRIPPED. UPON INVESTIGATION, FOUND HEATER ELEMENT GROUNDING OUT TO PITOT HEAD HOUSING. SUBMITTER SUGGESTED CAUSE TO BE PREVIOUS USER TO SELECT HEAT WHILE ON GROUND BEYOND THE 3 MINUTE TIME LIMIT OR NORMAL May 2, 2000 · Piper PA23250 · Pitot/Static Anti-Ice SystemSDR CA000505015Support Bracket · cracked(CAN) AT ANNUAL INSPECTION, A CRACK WAS FOUND ON THE RIGHT MAIN GEAR OUTBOARD TUBE ASSEMBLY OF THE DRAG LINK FITTING SUPPORT (ITEM 13 FIG. 25 OF IPC). THE CRACK IS LOCATED NEAR THE LOWER MOUNTING BOLT HOLE OF THE TUBE ASSEMBLY AND IS ABOUT 1 INCH LONG.Apr 26, 2000 · Piper PA23250 · Landing Gear Retraction/Extension SystemSDR CA000218016Gear · stripped(CAN) DEAD MAG CHECK COMPLETED ON ARRIVAL, ENGINE FAILED WHEN LEFT MAG SELECTED ONLY. TEFLON MAG GEAR FOUND WITH THIRTEEN TEETH STRIPPED.Feb 8, 2000 · Piper PA23250 · Magneto/DistributorSDR CA000218021Bearing · loose(CAN) DURING A DAILY INSPECTION, IT WAS FOUND THAT THE RIGHT ELEVATOR BEARING WAS LOOSE. THE BEARING WAS REPLACED.Feb 4, 2000 · Piper PA23250 · Elevator StructureSDR CA000218022Control Cable · worn(CAN) DURING REPLACEMENT OF THE RT ELEVATOR BEARING, IT WAS DISCOVERED THAT THE TRIM CABLE WAS WORN. CABLE WAS REPLACED.Feb 4, 2000 · Piper PA23250 · Elevator Tab Control SystemSDR 2000ZZZX132Manifold · looseFOUND FUEL LINE FITTING ON FUEL INJECTOR LOSE CAUSING FUEL STARVATION TO FUEL MANIFOLD. TIGHTENED FITTING AND RETURNED TO SERVICE.Jan 3, 2000 · N14268 · Piper PA23250 · Engine Fuel DistributionSDR 2000ZZZX229Screw · looseMAGNETO CASE SCREW CAME LOOSE CAUSING MAGNETO TO COME APART IN-FLIGHT. UPON INSPECTION, FOUND BACK HALF OF MAG CASE LYING LOOSE HANGING FROM WIRES. SCREWS COULD NOT BE FOUND.Dec 24, 1999 · N331FC · Piper PA23250 · Magneto/DistributorSDR CA991231015Drive Shaft · sheared(CAN) WHILE IN FLIGHT PILOT NOTICED THE RED NOT SUCTION LIGHT ILLUMINATE. VACUUM PUMP ((P/N:(ARO21240-1) (PIPER32171-000)).Dec 17, 1999 · Piper PA23250 · Vacuum Distribution SystemSDR CA991231013O-Ring · cut(CAN) PILOT OBSERVED POOL OF HYDRAULIC FLUID RUNNING FROM LT ENGINE NACELLE. MAINTENANCE DISCOVERED LEAKS COMING FROM ROD END OF DOOR ACTUATOR. REPLACED CUT O-RINGS (P/N 484-701)(AN6227-7) (MS28775-012)).Dec 15, 1999 · Piper PA23250 · Landing Gear Door ActuatorSDR CA991210017Bracket · broken(CAN) HEATER OVERHEAT SWITCH POPPED. INVESTIGATION FOUND PILOT HAD PULLED HEATER DOOR OPEN, BUT THE CABLE WAS STIFF AND THE CABLE BRACKET BROKEN. THE RESULT WAS THE HANDLE TOOK OUT THE PLAY GIVING THE IMPRESSION THE DOOR WAS OPEN. THE SUBMITTER REMARKED THANov 18, 1999 · Piper PA23250 · Heating SystemSDR CA991210016Pitot Tube · frozen(CAN) THE PRE-TAKEOFF RUN UP AND TAKEOFF WAS DURING WET SLUSHY RUNWAY CONDITIONS DURING SNOW. AFTER CLIMB IN CRUISE, THE A.S.I. WAS LOST. THE PILOT HAD PUT PITOT HEAT ON AT TAKEOFF, NOT DURING RUN UPS AND TAXIING. AIRSPEED CAME ON DURING DESCENT TO SEPT-ISNov 17, 1999 · Piper PA23250 · Pitot/Static SystemSDR CA991210015Collar · broken(CAN) DAMAGE CAUSED BY OVERSTEERING BY PILOT WHEN TOWING AIRCRAFT TO HANGAR WITH TRACTOR. REPLACED COLLARS (P/N 31811-000; P/N 1781-000) AND HARDWARE. LINKS (SCISSORS) INSPECTED AS WELL AS THE INTERCONNECTING STEERING MECHANISM.Nov 11, 1999 · Piper PA23250 · Nose/Tail Landing Gear Strut/AxleSDR CA991028057Air Filter · clogged(CAN) AIRCRAFT FLEW IN RAIN APPROXIMATELY 45 MINUTES, AND THEN CAME OUT IN THE CLEAR AT 7,000 FEET, AND -5 DEGREES CELSIUS. ENGINES FUEL FLOW DECREASED, ENGINES SLOWED DOWN. PILOT SELECTED ALTERNATE AIR ON AND RECOVERED POWER. RE-SELECTED ALTERNATE AIR OOct 14, 1999 · Piper PA23250 · Engine Air Intake SystemSDR CA990715043Power Pack · leaking(CAN) NOSE LANDING GEAR CREEPED CLOSED WHEN AIRCRAFT HANGARED OVERNIGHT. SMALL POOL OF HYDRAULIC FLUID ON FLOOR. PILOT REPORTED LANDING GEAR CREEPING DOWN AT TIMES. HAD TO BE RE-SELECTED AFTER SOME ACTUATORS HAD O-RINGS REPLACED. WING FLAPS COMING DOWN TOOJun 30, 1999 · Piper PA23250 · Hydraulic Pump (Electric/Engine), MainSDR AU990379Switch · out of adjust(AUS) NOSE LANDING GEAR DOWNLOCK MICROSWITCH OUT OF ADJUSTMENT.Mar 31, 1999 · Piper PA23250 · Landing Gear Position and WarningSDR AU990323Bellcrank · corroded(AUS) FLAP BELLCRANK ASSEMBLY CONTAINED SEVERE EXFOLIATION CORROSION. OUND DURING INSPECTION IAW AD/PA23/50A.Mar 30, 1999 · Piper PA23250 · Trailing Edge Flap Control SystemSDR CA990401016Antenna · broken(CAN) TECHNICIAN FOUND ELT ANTENNA COMPLETELY BROKEN OFF. IT WAS OK AT PILOT WALK-AROUND AT DEPARTURE. VOR ANTENNA APPEARED TO BE PARTLY SHEARED OFF. AIRCRAFT HAD RECENTLY FLOWN INTO ICING CONDITIONS. ALSO HAD PRE-FLIGHT DE-ICING.Mar 14, 1999 · Piper PA23250 · Emergency Locator BeaconSDR CA990209020Stack · separated(CAN) BLACK SOOT NOTED ON RIGHT HAND OUTBOARD LANDING GEAR DOOR AND OUTBOARD COWL FLAP. EXHAUST STACK FOUND SEPARATED. NO OTHER LOOSE AREAS NOTED. SUBMITTER SUGGESTS THAT THE REAR STACK WAS TOO SHORT AND THE SPRING ACTION OF REAR SUPPORT CAUSED THE SEPARAJan 28, 1999 · Piper PA23250 · Engine Collector/Tailpipe/NozzleSDR CA990209025Thermocouple · misinstalled(CAN) AIRCRAFT WAS RECENTLY PURCHASED WITH HIGH TIME ENGINES. AFTER 102.3 HOURS OF OPERATION THERE HAVE BEEN MANY MISCELLANEOUS EGT PROBLEMS. INVESTIGATION FOUND THE EGT (THERMOCOUPLE) PROBES INSTALLED IN WHAT APPEARS TO BE RANDOM POSITIONS. PIPER WAS CONTACJan 28, 1999 · Piper PA23250 · Cylinder Head Temperature (CHT) Indicating SystemSDR CA990111057Retainer · corroded(CAN) CARRYING OUT AD 88-21-07R1 TO PREVENT WATER ENTERING FUEL FILLER, 2 RIVETS HOLDING THE RETAINING PLATE TO COVER WERE FOUND POPPED. AT REMOVAL , THE RUBBER GASKET P/N 31190-00, WAS FOUND ROTTEN.Dec 22, 1998 · Piper PA23250 · Fuel StorageSDR CA981123019Rod · broken(CAN) DURING FLIGHT WHILE TRIMMING THE RUDDER, THE PILOT EXPERIENCED A HEAVY SHAKING OF THE AIRCRAFT. AIRCRAFT LANDED SAFELY. MAINTENANCE CHECK FOUND THE FORKED END OF THE AFT TRIM TAB ROD ASSEMBLY WAS BROKEN OFF.Nov 5, 1998 · Piper PA23250 · Rudder Tab Control SystemSDR CA981109043Bracket · cracked(CAN) PILOT SELECTED GEAR DOWN AND THE LEFT GEAR LIGHT DID NOT COME ON. MANY ATTEMPTS TRIED. MICROSWITCH BRACKET FOUND BROKEN. ALSO NOTED THAT BOLT P/N AN177-27 AT THE CENTER OF THE RETRACTION LINK WAS BROKEN.Oct 26, 1998 · Piper PA23250 · Landing Gear Position and WarningSDR CA981028011Spar · cracked(CAN) CRACKS FOUND IN LEFT AILERON INBOARD RIB P/N 17100-13, TO WHICH IS ATTACHEDTHE HINGE LEFT INBOARD P/N 17095-00 THROUGH THE SPAR. CRACKS LOCATED AT BOTTOM HOLE.Oct 21, 1998 · Piper PA23250 · AileronsSDR AU981331Cap · cracked(AUS) WING LOWER SPAR CAP CRACKED VERTICALLY THROUGH THE ANGLE TO THE SECOND OUTBOARD MOUNT BOLT HOLE. PART TC: 970.Oct 16, 1998 · Conaer LA4250 · Wing SparSDR CA981014015Wire · broken(CAN) PASSENGER NOTED DAYLIGHT ON TOP OF DOOR. A ONE-HALF TO THREE-QUARTER INCH GAP. PART NUMBER WIRE FOUND BROKEN INSIDE CASING. SB 338 COVERS SPECIAL MEASURES TO BE TAKEN IN ADJUSTING TOP REAR PIN TO PREVENT IT FROM BOTTOMING AND CAUSING BACK PRESSURE ON Oct 3, 1998 · Piper PA23250 · Door System WiringSDR CA981007008Exhaust Stack · broken(CAN) COWLING REMOVED FOR STARTER CHANGE. INSPECTION FOUND THE EXHAUST STACK ON NR 2 CYLINDER BROKEN. THE OUTBOARD STUD AND THE HELICOIL WERE PULLED FROM THE CYLINDER. NUMBERS ON CYLINDERS AND ACCESSORIES DO NOT MATCH LOG BOOK NUMBERS.Sep 16, 1998 · Piper PA23250 · Engine Collector/Tailpipe/NozzleSDR CA980922021Corrector · damaged(CAN) HSI NOT WORKING CORRECTLY. FOUND COMPASS CORRECTOR NOT CONNECTED AND THE NORTH-SOUTH ADJUSTING POLE DAMAGED.Sep 10, 1998 · Piper PA23250 · Directional Gyro and Indicating SystemSDR CA980915009Push Rod · improper part(CAN) PILOT REPORTED THE ENGINE RUNNING ROUGH DURING TEST FLIGHT, AFTER CYLINDER CHANGE. POST-FLIGHT COMPRESSION TEST FOUND DIFFERENTIAL PRESSURE 0/80, WITH THE INTAKE VALVE OPEN. INSPECTION FOUND THE INTAKE PUSH ROD TO BE THE WRONG LENGTH, SHORTER PUSH ROD Sep 2, 1998 · Piper PA23250 · Reciprocating Engine Cylinder SectionSDR CA980909027Extension · improper part(CAN) AFTER ENGINE INSTALLATION, AN OIL LEAK WAS FOUND ON RUN-UP. INVESTIGATION FOUND THE WRONG OIL FILLER EXTENSION INSTALLED, RESULTING IN THE ENGINE BEING OVER SERVICED WITH OIL, THIS LEAD TO THE OIL LEAK. THE PROPER PART (P/N 74313) WAS INSTALLED.Sep 1, 1998 · Piper PA23250 · Reciprocating Engine Oil SystemSDR CA980908031Magneto · cracked(CAN) ENGINE RECEIVED ON TRANSPORT FROM OVERHAULER. PRE-INSTALLATION INSPECTION FOUND THE TOP AND BOTTOM MAGNETO LUGS CRACKED. IT APPEARS THE CARGO STRAPS WERE PASSED OVER THE MAGNETO WHEN THE ENGINE WAS SECURED FOR TRANSPORT. SUBMITTER STATED IMPROPER POSIAug 24, 1998 · Magneto/DistributorSDR CA980622023Pump · leaking(CAN) OIL LEAK UNDER ENGINE TRACED TO FUEL PUMP DRAIN. INSPECTION FOUND BOTTOM DIAPHRAGM OF THE THREE DRAIN CLUSTER, CUT AND LEAKING.Jun 12, 1998 · Piper PA23250 · Engine Fuel PumpSDR CA980622021Detector · failed(CAN) DURING 50 HOUR INSPECTION AME HEARD BEEP FROM UNDER INSTRUMENT PANEL. STALL WARNING ON/OFF WITH BEEP SOUND AND WHEN STALL DETECTOR ON WING MOVED POSITIVELY BY HAND. LIFT DETECTOR REPLACED.Jun 11, 1998 · Piper PA23250 · Stall Warning SystemSDR CA980622022Cylinder · cracked(CAN) DURING INSPECTION A DIFFERENTIAL PRESSURE CHECK ON NR 2 CYLINDER WAS 32/80. REMOVAL AND DISASSEMBLY OF THE CYLINDER FOUND THE EXHAUST VALVE LEAKING, CORROSION AND EXHAUST LEAK IN THE AREA OF THE COOLING FINS.Jun 11, 1998 · Piper PA23250 · Reciprocating Engine Cylinder SectionSDR CA980623022Air Valve · leaking(CAN) RIGHT HAND PROPELLER HARD TO CONTROL, ENGINE SHUTDOWN, AND AIRCRAFT RETURNED TO BASE. PRESSURE CHECK CARRIED OUT ON PROPELLER AND THERE WAS NO NITROGEN PRESSURE IN THE CYLINDER. IT IS SUSPECTED THE VALVE WAS LEAKING. THE VALVE WAS REPLACED, THE CYLINDJun 10, 1998 · Piper PA23250 · Propeller Hub SectionSDR CA980615006Switch · malfunctioned(CAN) IN-FLIGHT AT NIGHT THE PILOT NOTICED SPARKS COMING FROM UNDER THE CENTER RT EDGE OF THE INSTRUMENT PANEL. WORK HAD BEEN DONE ON RADIOS. SOLDER CONNECTION ON THE 1,00O HMS RESISTOR CONNECTING THE L20N WIRE FROM THE LT AND RT LIGHT SWITCHES TO THE SOLID Jun 5, 1998 · Piper PA23250 · Flight Compartment LightingSDR 98ZZZX2111Camshaft · failedIN CRUISE FLIGHT, PILOT LOST PROP CONTROL, FEATHERED, AND LANDED. FOUND CAMSHAFT BROKEN AT GOVERNOR DRIVE END. RECORDS SHOW THIS WAS A NEW PART. INSTALLED AT OVERHAUL ON 3/89.May 4, 1998 · N40592 · Piper PA23250 · Reciprocating Engine Power SectionSDR CA980407013Actuator · cracked(CAN) PILOT REPORTED LANDING GEAR LIGHT COMING ON IN-FLIGHT AND AFTER GEAR RECYCLED. HYDRAULIC LEAK AROUND PISTON SEAL. TWO CRACKS IN BARREL AT BLOCK END, NO SIGNS OF LEAK. REPLACED.Mar 28, 1998 · Piper PA23250 · Landing Gear ActuatorSDR AU981213Spar · corroded(AUS) SUBMITTER STATED INCORRECT STEEL WASHERS (CORRECT TYPE ALUMINIUM) USED UNDER THE LEFT WING ATTACHMENT NUTS CAUSED CORROSION OF THE WING SPAR. AIRCRAFT IS AN AMPHIBIAN AND OPERATES IN A SALT LADEN ENVIRONMENT. 1,301.Mar 20, 1998 · Conaer LA4250 · Wing SparSDR AU980385Valve Guide · loose(AUS) ENGINE INLET VALVE GUIDE FOUND LOOSE IN HEAD.Mar 18, 1998 · Piper PA23250 · Reciprocating Engine Cylinder SectionSDR 98ZZZX957Magneto · failedENGINE HAD 200 RPM DROP ON LEFT MAGNETO. CHECKED MAG TO ENGINE TIMING, AND COULD NOT GET MAG TIMED TO ENGINE. REMOVED MAG FOR INSPECTION. WHEN MAG WAS OPENED, FOUND MAGNET SHAFT SHEARED AT KEYWAY. THIS MAGNETO WAS A NEW/REBUILD FROM TELEDYNE CONTINENTAL INFeb 19, 1998 · N40259 · Piper PA23250 · Magneto/DistributorSDR CA980113014Oil Line · cut(CAN) AT SHUTDOWN, OIL LEAK NOTED OUT UNDER RT NACELLE ONTO LANDING GEAR DOORS. OIL PRESSURE LINE CUT UNDER CLAMP AT FIREWALL, TWO PLACES, WIDTH OF CLAMP. IMPROPER SIZE CLAMP. REPLACED CLAMP.Dec 22, 1997 · Piper PA23250 · Turbine Engine Oil SystemSDR 97ZZZX4755Housing · leakA FLAW IN THE CASTING NEAR THE UPPER LEFT HAND CORNER OF THE OIL FILTER ADAPTER MOUNTING PAD WAS ALLOWING OIL UNDER PRESSURE TO LEAK THROUGH THE CASTING. THE ENGINE HAD BEEN OVERHAULED BY LYCOMING 50 HOURS PRIOR TO THE OCCURRENCE.Oct 8, 1997 · N46SD · Piper PA23250 · Reciprocating Engine Oil SystemSDR 97ZZZX4300Bearing · failedFOUND LEFT MAGNETO DRIVE BEARING ASSEMBLY COMING APART. BEARING ASSEMBLY WAS WEARING INTO GEAR RETAINER ASSEMBLY PN LW-19096. SUBMITTER STATES INSPECTION OF THESE PARTS SHOULD BE ACCOMPLISHED EACH TIME MAGNETO IS REMOVED.Aug 11, 1997 · N40200 · Piper PA23250 · Magneto/DistributorSDR 97ZZZX3191Rotor · wornREMOVED MAGNETO FOR INSPECTION. FOUND ROTOR CRACKED NEAR MAGNET. HOUSING WALLS FOUND TO BE WORN. THERE ALSO WAS NO BEARING, THE METAL FROM THE BEARING WAS INSIDE THE MAGNETO.Jun 23, 1997 · N510WA · Piper PA23250 · Magneto/DistributorSDR CA970618022Exhaust Stack · broken(CAN) INSPECTION FOUND THE EXHAUST CROSSOVER PIPE BROKEN AT THE SHROUD. ALSO THE ALTERNATE AIR SPRING DOOR MISSING. HINGE BROKEN. DOOR FOUND IN BOTTOM OF AIR BOX.Jun 11, 1997 · Piper PA23250 · Engine Collector/Tailpipe/NozzleSDR CA970612013Connector · disconnected(CAN) AIRCRAFT WAS DESCENDING AND SELECTED GEAR BUT DID NOT GET A DOWN AND LOCKED SIGNAL. VERIFICATION WAS CARRIED OUT FOR DOWN AND LOCKED AND AIRCRAFT LANDED. INSPECTION FOUND THE CONNECTOR WIRE BUNDLE DISCONNECTED. NO APPARENT REASON.Jun 7, 1997 · Piper PA23250 · Landing Gear Position and Warning
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