Lycoming 0-320 series

Service difficulty reports · 346

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 = 'O320'
  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 KBMA88796Switch · failedRADIO SWITCH DOES NOT WORK. INSTALLED SERVICEABLE UNIT.Sep 14, 2001 · N73DP · Bell 206B · VHF Communications SystemSDR 2001FA0000358Crankcase · crackedENGINE FOUND TO BE CRACKED. THE FRACTURE OCCURRED ON THE LEFT HAND CASE HALF RUNNING FROM THE 9 OCLOCK POSSITION OF THE NR 2 CYLINDER PAD TO THE MAIN BEARING BOSS AREA. THIS CRACK WAS CAUSED BY POOR SCAVENGING OF AIR DURING THE CASTING PROCESS.Sep 12, 2001 · N739LK · Cessna 172N · Engine (Reciprocating)SDR 2001FA0000363Shaft · shearedPILOT REPORTED 700 RPM DROP ON LEFT MAGNETO. MAGNETO REMOVED AND INSPECTED. FOUND DRIVE SHAFT/ MAGNETO/ ROTOR SHEARED IN HALF. MAGNETO REPLACED.Aug 29, 2001 · N7071G · Cessna 172K · Magneto/DistributorSDR 2001FA0000373Rod · failedACTUATION ROD TO RUDDER PEDAL BROKE AT BASE OF THREADS AT FORK. THERE WAS NO DAMAGE TO RUDDER PEDAL OR BRAKE MOUNT FOUND.Aug 29, 2001 · N51403 · Cessna 172P · Rudder Control SystemSDR 2001FA0000191Shroud · chafedNOTED: DURING ANNUAL INSPECTION ON NUMEROUS AIRCRAFT, SCREEN INSIDE OF CARB HEAT SHROUD VIBRATING AND CHAFING ITSELF TO PIECES BE ALLOWED TO BE SUCK INTO THE CARB INLET. (SHROUD LOCATED ON CYLINDER STACK ASSEMBLY WITH CLAMPS).Aug 17, 2001 · N737MP · Cessna 172N · Engine Air Baffle SectionSDR 2002FA0000237Fastener · looseRIGHT WING: 16 LOOSE NAILS, 3 VERY LOOSE, 1 MISSING LEFT WING: 9 LOOSE NAILS, 0 VERY LOOSE, 0 MISSING.Aug 13, 2001 · N38WK · Bbavia 7GCBC · Miscellaneous HardwareSDR 2001FA0000179Air Box · damagedNOTED: DURING ANNUAL INSPECTION, CARBURETOR AIR BOX OUTLET/INLET FOR CARBURETOR HEAT SWEDGED ONTO AIR BOX. ROUND METAL FLANGE VIBRATING AND CHAFING WHERE SWEDGING DONE. GETS LOOSE AND CHAFES ITSELF TO PIECES. COULD EVENTUALLY BREAK, ALLOWING HOSE TO FALL OAug 8, 2001 · N737MP · Cessna 172N · Engine Air Intake SystemSDR 2001FA0000264Probe · defectiveICEMAN CARBURETOR, ICEMAN DETECTOR ALERTS EVEN WHEN THERE IS NO ICE. THERE APPEARS TO BE A MALFUNCTION OF THE PROBE.Aug 7, 2001 · N83416 · Piper PA28161 · Ice DetectionSDR 2001FA0000266Probe · defectiveCARBURETOR ICE DETECTOR ALERTS EVEN WHEN THERE IS NO ICE. THERE APPEARS TO BE A MALFUNCTION OF THE PROBE.Aug 7, 2001 · N47979 · Piper PA28161 · Ice DetectionSDR CEC2001F00000Float · failedFLOAT SUNK. 1000HRS PN30804 -AIRCRAFT WOULD QUIT ON ROLL OUT. THESE ARE MADE OF PLASTIC. THE FLOAT FILLS WITH FUEL DUE TO THE GLUE FAILURE.Aug 2, 2001 · N6139J · Piper PA28140 · Fuel Control/Reciprocating EnginesSDR 2001FA0000265Roller · crackedFLAP ROLLER FOUND NOT TURNING. REMOVED AND FOUND CRACKS. THIS IS NOT THE FIRST TIME THIS CONDITION WAS FOUND. LACK OF PROPER MAINTENANCE. DIRTY AND DRY ROLLER BEARINGS.Aug 1, 2001 · N738DB · Cessna 172N · Trailing Edge FlapsSDR OG52001F00001Solenoid · incorrectPILOT REPORTED THAT STARTER CONTINUED TO CRANK AFTER KEY WAS REMOVED AND ANYTIME BATTERY POWER WAS PRESENT. TROUBLESHOOTING BY MAINTENANCE PERSONNEL. FOUND WRONG PN STARTER SOLENOID INSTALLED. RESEARCH OF AIRCRAFT RECORDS FOUND THAT THIS PART HAD NEVER BEENJul 19, 2001 · N241ND · Piper PA28161 · Engine StarterSDR 2001FA0000218Skin · corrodedON INSPECTION OF RIGHT WING ASSEMBLY, MECH NOTICED THAT A LOT OF RIVETS HAD POPPED FROM CORROSION UNDER THE LEADING EDGE SKIN AT THE FORWARD SPAR. THE WING WAS REMOVED FROM THE AIRCRAFT, BROUGHT TO THIS FACILITY FOR REPAIR. WING WAS DISASSEMBLED FOR REPAIR AJul 18, 2001 · N2168E · Cessna 172N · Wing, Plate/SkinSDR 2002FA0000251Spar · crackedDETECTED COMPRESSION CRACK AT TOP OF AFT SPAR ON THE OUTBOARD END OF LIFT STRUT DOUBLER PLATE. CRACK PROGRESSED DOWN AFT SIDE ABOUT 1 INCH. LONGITUDINAL CRACK WAS ALSO FOUND IN AFT SPAR LAST 12 INCHES NEAR TIP. CRACK WAS IN CENTER OF SPAR. WHEN THE WING WJul 17, 2001 · N2546Z · Bbavia 7GCBC · Wing SparSDR 2001FA0000113Cylinder · crackedCYLINDER CRACKED FROM TOP SPARK PLUG HOLE AROUND OUTSIDE EXSEAT TO BOTTOM SPARK PLUG HOLE.Jul 4, 2001 · N4381L · Piper PA28161 · Reciprocating Engine Cylinder SectionSDR 2002FA0000256Spar · crackedLONGITUDINAL CRACK LOCATED AT ROOT END OF FRONT WING SPAR IN RIGHT WING. CRACK RUNS FROM BUTT END OF SPAR THROUGH THE TWO TOP BOLT HOLES OF THE SPAR TO FUSELAGE ATTACHMENT BRACKET. CRACK COULD BE SEEN IN THE BUTT END GRAIN AND BY REMOVING THE FUSELAGE ATTACHJun 26, 2001 · N9866Y · Bbavia 7GCB · Wing SparSDR SW15200112284Bulkhead · crackedFORWARD PROPELLER BULKHEAD HAS BEEN CRACKING WITH MINIMAL HOURS. BOLTS HAVE BEEN PROPERLY TORQUED AND SAFETY WIND.May 17, 2001 · N54855 · Cessna 172D · Propeller AssemblySDR 2001FA0000063Gasket · failedAD2000-18-23 WAS C/W BY INSTALLING NEW GASKET PT NR 06B23072 UNDER 34 HOURS, GASKET BLEW OUT AND ALL THE OIL WAS BLOWN OUT. AIRCRAFT RETURNED TO AIRPORT SAFELY. INSPECTION OF GASKET REVELED THAT THE RUBBER GASKET HAD DESOLVED AND BECAME VERY SOFT. A NEW GAMay 16, 2001 · N737TC · Cessna 172N · Reciprocating Engine Oil SystemSDR 20010503CW013Magneto · inoperativePLASTIC SUPPORT FOR POINTS BROKEN, AND POINTS FAILED, FACTORY SEAL STILL ON MAGNETO. PILOT REPORTED ENGINE RUNNING ROUGH. MADE SAFE LANDING, CHECKED GOOD WITH REPLACEMENT MAGNETO.May 3, 2001 · N20421 · Cessna 172M · Magneto/DistributorSDR 20010501CW007Latch · inoperativeDOOR CAME OPEN IN FLIGHT CAUSING AIRCRAFT TO LOOSE DIRECTIONAL CONTROL. GROUND INVESTIGATION REVEALED THAT LATCH MECHANISM WAS NOT LOCKING PROPERLY AT THE JAMS.Apr 6, 2001 · N333PE · Piper PA23160 · Passenger/Crew DoorsSDR 20010510CW001Tube · defectiveON THE TUBE, WHERE BOLT HOLE IS DRILLED THAT MOUNTS TO THE FRONT BRACKET ON STABILATOR, A HOLE IS IN TUBE, (90 DEGREE ANGLE TO THE BOLT HOLE). IT APPEARS THIS HOLE HAS SLAG IN IT AND SLAG EXIST ON INTERIOR OF THE TUBE THAT HAS BEEN THERE WHEN THE PART WAS FABMar 8, 2001 · N567OU · Piper PA28140 · Stabilizer Control SystemSDR 20010305CW014Oil Filter · flakingUPON INSPECTION OF OIL FILTER AFTER 50 HRS USAGE, FILTER HOUSING DISASSEMBLED FOR INSPECTION AND GASKET / GLUE TYPE MATERIAL NOTED AT MATING FLANGES INSIDE. THIS MATERIAL NOTED IN FILTER ASSEMBLIES NUMBEROF TIMES AND ALSO DRAINED FROM OIL SUMPS, RECOMMEND MMar 5, 2001 · N737MP · Cessna 172 · Reciprocating Engine Oil SystemSDR 20010301CW009Oil Filter · flakingFOUND SEALANT MATERIAL IN OIL SUMP DURING NORMAL 50 HR OIL CHANGE. FOUND ON SUCTION SCREEN. SEALANT CAME FROM THE OIL FILTER. AREA THAT SEALS THE INLET TO THE OUTLET AREA OF THE FILTER IS FLAKING OFF AND GETTING STUCK IN THE FILTER AND ON THE OIL SUCTION SCMar 1, 2001 · N2602B · Piper PA38112 · Engine Oil Distribution (Airframe Furnished)SDR 20010323CW004Shimmy Dampener · defectiveFOUND MULITUDE OF (AIR) POCKETS AND AIRCRAFT SHIMMIED EXCESSIVELY ON LANDING AND TAXI.Feb 27, 2001 · N2048A · Beech B19 · Shimmy DamperSDR 20010409CW001Web · corrodedCORROSION WAS FOUND ON RIGHT WEB AND STRINGER. REPLACED THESE PARTS LAST YEAR FOR SAME REASON. THE REPLACED HAD BEEN PAINTED WITH EXPOXY PRIMER PRIOR TO INSTALLATION. IT HAS BEEN NOTED THAT ALL PLACES THAT CORRODED BOTH TIME HAD BEEN IN DIRECT CONTACT WITH Feb 26, 2001 · N733JC · Cessna 172N · Fuselage Miscellaneous StructureSDR 20010409CW002Stringer · corrodedCORROSION WAS FOUND ON RIGHT WEB AND STRINGERS. REPLACED THESE PARTS LAST YEAR FOR SAME REASON. THE REPLACED PARTS HAD BEEN PAINTED WITH EPOXY PRIMER PRIOR TO INSTALLATION. IT HAS BEEN NOTED THAT ALL PLACES THAT CORRODED BOTH TIMES HAD BEEN IN DIRECT CONTACFeb 26, 2001 · N733JC · Cessna 172N · Fuselage Main, Longeron/StringerSDR 20010409CW003Stringer · corrodedCORROSION WAS FOUND ON RIGHT WEB AND STRINGERS. REPLACED THESE PARTS LAST YEAR FOR SAME REASON. THE REPLACED PARTS HAD BEEN PAINTED WITH EPOXY PRIMER PRIOR TO INSTALLATION. IT HAS BEEN NOTED THAT ALL PLACES THAT CORRODED BOTH TIMES HAD BEEN IN DIRECT CONTACFeb 26, 2001 · N733JC · Cessna 172N · Fuselage Main, Longeron/StringerSDR 20010419CW005Nut · mismanufacturedFOUND NEW AXLE NUTS TO HAVE CHAMFER CUT ON INSIDE DIAMETER, WHERE NUT CONTACTS BEARING. CONTACTED MFG., CONFIRMED THAT NO CHAMFER SHOULD BE PRESENT ON INSIDE DIAMETER.Feb 20, 2001 · N613PC · Bbavia 7GCBC · Main Landing GearSDR 2002FA0000221Cylinder · crackedENGINE INSTALLED IN FEBRUARY 1997. AT APPROXIMATELY 665 HOURS, TWO CYLINDERS WERE CRACKED THROUGH THE FINS OUTSIDE THE EXHAUST PORT, ADJACENT TOTHE EXHAUSE SEAT.Jan 25, 2001 · N7477L · Piper PA18150 · Reciprocating Engine Cylinder SectionSDR 20001206SH029Carburetor · icedENGINE FAILURE DUE TO CARBURETOR ICE. FAILURE OCCURRED WITHIN 15 SECONDS OF SELECTING FUEL TRANSFER. ASSUMPTION THAT PROBLEM WAS WITH FUEL TRANSFER DELAYED APPLICATION OF CARBURETOR HEAT. (X)Oct 23, 2000 · N3127P · Piper PA23150 · Fuel Control/Reciprocating EnginesSDR 20010326CW008Spar · damagedDURING HIDDEN DAMAGE INSPECTION SOME LIGHT DABAGE TO MID LEADING EDGE SKIN AND ONE NOSE RIB WAS FOUND. UNAPPROVED REPAIR FOUND TO AFT INBD SPAR ASSY. DAMAGE WAS FOUND ON ALMOST ALL NOSE RIBS IN WING. RECORDS CHECK BY OWNER FOUND WING WAS REPAIRED AND RETURNESep 29, 2000 · N7122G · Cessna 172K · Wing SparSDR AU000693Altimeter · faulty(AUS) ALTIMETER FAULTY. (X)Sep 1, 2000 · Amtr 320LANCAIR · Altimeter, Barometric/EncoderSDR 2002FA0000426Housing · crackedCRACKS IN RADIUS OF SCISSORS EARS. POSSIBLE CAUSE FATIGUE ON HIGH TIME AIRCRAFT.Jun 29, 2000 · N2496X · Piper PA28161 · Main Landing Gear Strut/Axle/TruckSDR 2002FA0000428Housing · crackedCRACK WAS FOUND DURING NORMAL 100 HOUR MAINTENANCE, SINCE WE HAD ENCOUNTERED ONE BREAKING OFF EARLIER, WE WERE MORE MINDFUL OF CHECKING THEM CLOSER. DYE CHECK SHOWED THE CRACK IN THE EAR RADIUS AREA. ALL THE STRUTS ARE THOUGHT TO BE ORIGINAL EQUIPMENT.Jun 26, 2000 · N2159H · Piper PA28161 · Main Landing Gear Strut/Axle/TruckSDR 20000414SH007Bolt · missingFOUND CRANKSHAFT DRIVE GEAR ATTACHING BOLT MISSING AFTER REMOVAL OF REAR HOUSING FOR OIL PUMP GEAR REPLACEMENT. REPLACED GEAR, DOWEL PILOT, BOLT AND LOCKPLATE. (X)Mar 15, 2000 · N8804J · Piper PA28180 · Reciprocating Engine Power SectionSDR 98ZZZX2677Cylinder · crackedDURING THE ANUAL INSPECTION, DISCOVERED CRACKS IN THREE OF FOUR CYLINDERS. THE CRACKS WERE LOCATED IN THE EXHAUST PORT. A CYLINDER COMPRESSION CHECK DID NOT REVEAL THE CRACKS. THE CRACKS ARE ONLY DETECTED BY VISUAL INSPECTION. SUBMITTER RECOMMENDED VISUAL IJul 9, 1998 · N1160C · Piper PA20 · Reciprocating Engine Cylinder SectionSDR 98ZZZX2715Cylinder · defectiveTWO OF FOUR NEW COMPLETE CYLINDER ASSEMBLIES WERE DEFECTIVE. ONE CYLINDER HAD BEAT ROCKER SHAFT BOSSES, THE OTHER HAD A CRACK IN THE EXHAUST PORT.Jul 9, 1998 · N1160C · Piper PA20 · Reciprocating Engine Cylinder SectionSDR 98ZZZX2716Cylinder · defectiveTWO OF FOUR NEW COMPLETE CYLINDER ASSEMBLIES WERE DEFECTIVE. ONE CYLINDER HAD BEAT ROCKER SHAFT BOSSES, THE OTHER HAD A CRACK IN THE EXHAUST PORT.Jul 9, 1998 · N1160C · Piper PA20 · Reciprocating Engine Cylinder SectionSDR 98ZZZX767Crankshaft · crackedPART WAS REMOVED FROM INVENTORY FOR MPI FOLLOWING ADVISORY THAT AIR AGENCY MAY HAVE IMPROPERLY MACHINED CRANKSHAFT. PART WAS FOUND TO HAVE CRACKS IN THE HOURNAL RADII. PART IS NOT SERVICEABLE.Feb 10, 1998 · Reciprocating Engine Power SectionSDR 98ZZZX927Crankshaft · crackedPART WAS REMOVED FROM INVENTORY FOR MPI FOLLOWING ADVISORY THAT AIR AGENCY MAY HAVE IMPROPERLY MACHINED CRANKSHAFT. PART WAS FOUND TO HAVE CRACKS IN THE JOURNAL RADII. PART IS NOT SERVICEABLE.Feb 10, 1998 · Reciprocating Engine Power SectionSDR 98ZZZX830Carburetor · floodsENGINE RAN ROUGH AND WANTED TO QUIT AT LOWER POWER SETTINGS. POST INCIDENT INSPECTION WITH THROTTLE OFF AND MIXTURE IDLE CUT-OFF, BOOST PUMP ON, FUEL POURED OUT OF CARBURETOR. CARBURETOR SENT BACK TO CONSOLIDATED. SUBMITTER SUSPECTED FLOAT PROBLEM.Feb 2, 1998 · N27PM · Amtr LONGEZ · Fuel Control/Reciprocating EnginesSDR 98ZZZX772Crankshaft · crackedPART WAS REMOVED FROM INVENTORY AS PRECAUTION. THE CRANKSHAFT WAS RECENTLY SERVICED BY AIR AGENCY AND FOUND TO HAVE CRACKS IN THE JOURNAL RADII. PART IS SCRAP.Nov 25, 1997 · Reciprocating Engine Power SectionSDR 98ZZZX929Crankshaft · crackedPART REMOVED FROM INVENTORY AS PRECAUTION. THE CRANKSHAFT WAS RECENTLY SERVICED BY AIR AGENCY AND FOUND TO HAVE CRACKS IN THE JOURNAL RADII. PART IS SCRAP. NELSON W.O. 1 533.Nov 25, 1997 · Reciprocating Engine Power SectionSDR 96ZZZX3877Rocker Shaft · bentROUTINE CHECK OF O320 SERIES ENGINE ROCKER SHAFTS FROM STOCK, FOUND P/N SL13790A, LOT NR 510924 DATED 4-30-96, 9 OUT OF 20 WERE FOUND BENT.Jul 15, 1996 · Reciprocating Engine Cylinder SectionSDR 95ZZZX5986Flange · warpedORDERED NEW INTAKE FLANGES FROM FACTORY. FOUND WARPED. THIS CONDITION COULD LEAD TO BURNED VALVES AND POWER LOSS.Sep 21, 1995 · Reciprocating Engine Cylinder SectionSDR 95ZZZX1642Pump · diaphragm failINVESTIGATION OF IN-FLIGHT ENGINE SHUT DOWN REVEALED THE DIAPHRAGM IN THE FUEL PUMP HAD RUPTURED. ENGINE HAD APROX 400 HOURS OF OPERATION OVER 16 YEARS. SUBMITTER RECOMMENDS A CALENDER LIFE BE PLACED ON THESE DIAPHRAGMS.Mar 17, 1995 · N4T · Amtr PITTSSPECS1C · Engine Fuel Pump
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