Lycoming O-320-E2D

Service difficulty reports · 494

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 = 'O320E2D'
  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 CA970523005Control Cable · broken(CAN) CARBURETOR HEAT CABLE BROKE OFF 3 INCHES FROM KNOB DURING GROUND CHECK. REPLACED.May 5, 1997 · Cessna 172M · Engine Air Intake SystemSDR 97ZZZX2900Throttle Valve · out of adjustOVERHAULED CARBURETOR FURNISHED WITH LYCOMING OVERHAULED ENGINE WOULD NOT IDLE BELOW 1,000 RPM AFTER BUILD-UP AND INSTALLATION. CARUBURETOR WAS NEWLY OVERHAULED. REMOVAL AND INSPECTION REVEALED THE THROTTLE PLATE WAS NOT ALIGNED CORRECTLY AND WAS BINDING ON Apr 25, 1997 · N78512 · Cessna 172K · Fuel Control/Reciprocating EnginesSDR CA970407004Camshaft · spalled(CAN) INSPECTION FOUND CAMSHAFT LOBES SPALLED AND TAPPET BODIES WERE PITTED. THE SPALLING ON THE LOBES WAS A RESULT OF CORROSION ON THE LOBES AND ON THE TAPPET BODIES. THE CORROSION WAS A RESULT OF LONG PERIODS OF ENGINE INACTIVITY AND NO EVIDENCE OF INHIBITINMar 26, 1997 · Reciprocating Engine Power SectionSDR AU970153Crankcase · worn(AUS) CRANKCASE SADDLES FRETTINGFeb 24, 1997 · Reciprocating Engine Power SectionSDR 97ZZZX1146Spring · brokenRECEIVING INSPECTION OF A NEWLY OVERHAULED ENGINE FOUND PUSH ROD HOUSING COULD BE POPPED OUT OF SEAT. REMOVED ROCKER COVER AND FOUND HOLD-DOWN SPRING BROKEN. FURTHER INVESTIGATION FOUND 3 OF 4 PUSH ROD SPRINGS BROKEN. SUBMITTER SUSPECTS SPRINGS MISMANUFACTUFeb 10, 1997 · N100PD · Cessna 172K · Reciprocating Engine Cylinder SectionSDR AU970214Magneto · failed(AUS) MAGNETO FAILED - INSPECTION FOUND HT COIL SECONDARY WIRING OPEN CIRCUITFeb 8, 1997 · Cessna 172M · Magneto/DistributorSDR 97ZZZX175Lifter · spalledFERROUS METAL FOUND IN OIL SCREEN AT INSPECTION. AFTER FURTHER INVESTIGATION, FOUND ALL 4 INTAKE LIFTER BODIES SEVERELY SPALLED AND THE 2 CAM LOBES THAT OPERATE THEM WORN.Dec 19, 1996 · N73462 · Cessna 172M · Reciprocating Engine Power SectionSDR 96ZZZX6161Discharge Tube · brokenTHROTTLE JAMMED IN-FLIGHT. SAFE LANDING MADE. FOUND CARB DISCHARGE TUBE BENT AND BROKEN IN CARB HEAT BOX. FOUND THROTTLE SHAFT BUSHINGS EXCESSIVELY WORN AND LEAKING. AIRCRAFT 4.6 HOURS SINCE 'OWNER ASISTED ANNUAL' WAS COMPLETED. THESE ITEMS ARE PART OF ANov 15, 1996 · N7916G · Cessna 172L · Fuel Control/Reciprocating EnginesSDR 96ZZZX5875Drive Assy · defectiveWHILE C/W AD 960910C, IT WAS DISCOVERED AD 75-8-9R3 HAD NOT BEEN C/W. (REQUIRED REPLACEMENT OF DRIVE ASSY 75288 WITH DRIVE ASSY PN 61174) A CHECK OF AD 75-8-9R3 AND RELATED SB. ENG S/N WAS NOT LISTED. AD APPLICABLE TO S/N 33229-27A TO 41054-27A. NO RECORD Nov 13, 1996 · N19956 · Cessna 172M · Reciprocating Engine Rear SectionSDR 96ZZZX5959Spring · weakINSTALLED OVERHAULED CARBURETOR AND RIGGED. WITHIN 10 HOURS, OWNER REPORTED ENGINE VERY ROUGH AT LOW POWER SETTINGS OR WOULD NOT EVEN IDLE. FOUND IDLE MIXTURE ADJUST SCREW GONE. NOTIFIED OVERHAULER WHO SENT NEW CARB. UPON INSTALLATION OF NEW UNIT, SPRING TNov 13, 1996 · N7624G · Cessna 172L · Fuel Control/Reciprocating EnginesSDR 96ZZZX5811Carburetor · misoverhauledCARBURETOR RUNNING OVER RICH. AFTER DISASSEMBLY, FOUND STICKY MATERIAL (PROBABLY FUEL LUBE TM) ON PARTING SURFACE GASKET COVERING ENTIRE GASKET. THIS CARB HAS HAD OTHER WORK DONE SINCE GASKET WAS INSTALLED. SUBMITTER STATED MECHANIC ERROR?Nov 1, 1996 · N5AU · Piper PA28140 · Fuel Control/Reciprocating EnginesSDR 96ZZZX4315Connectiing Rod · bolt failedENGINE FAILED IN-FLIGHT WITH LOUD BANG. AIRPLANE FORCE LANDED ON ROAD. INSPECTION REVEALED NR 1 CYLINDER ROD HAD COME LOOSE FROM CRANK AND PUNCHED HOLE IN BOTTOM OF CASE. INSPECTION OF ENGINE FOUND CONNECTING ROD BOLTS, P/N 78027, ON NR 1 AND NR 4 CYLINDERSJul 3, 1996 · N1493V · Cessna 172M · Reciprocating Engine Power SectionSDR AU961093Camshaft · worn(AUS) CAMSHAFT EXHAUST VALVE LOBES AND ASSOCIATED TAPPETS PNO 72877 WORN - WEAR WAS BETWEEN 4.572MM AND 5.08MM (0.180IN AND 0.200IN)Jul 1, 1996 · Cessna 172M · Reciprocating Engine Power SectionSDR 96ZZZX3527Bearing · roughENGINE SUDDENLY BECAME ROUGH. MAG CHECK INDICATED TROUBLE WITH RIGHT MAG, FLIGHT CONTINUED ON SINGLE MAG. OPERATION - AT TERMINATION OF FLIGHT, MAGS RE-CHECKED. RT MAG DEAD; OPENING UP MAG REVEALED 'BEARING' GREASE IN MAG HOUSINGS. COIL APPEARED INTACT, BUJun 28, 1996 · N92595 · Cessna 172M · Magneto/DistributorSDR 96ZZZX3528Coil · failedENGINE SUDDENLY BECAME ROUGH. MAG CHECK INDICATED TROUBLE WITH RIGHT MAG, FLIGHT CONTINUED ON SINGLE MAG. OPERATION - AT TERMINATION OF FLIGHT, MAGS RE-CHECKED. RT MAG DEAD; OPENING UP MAG REVEALED 'BEARING' GREASE IN MAG HOUSINGS. COIL APPEARED INTACT, BUJun 28, 1996 · N92595 · Cessna 172M · Magneto/DistributorSDR CA960524019Dowel · sheared(CAN)METAL CONTAMINATION IN THE OIL FILTER AT 50 HOUR INSPECTION. SOURCE OF METAL IS #3 CONROD BEARING AND #2 MAIN BEARING. MAIN BEARING DOWEL PIN SEHARED AND CAUSED F.O.D. TO MAIN AND CONROD BEARINGS. ALL MAIN BEARING DOWELS RENEWED.May 3, 1996 · Cessna 172M · Reciprocating Engine Power SectionSDR AU960434Carburettor · faulty(AUS) CARBURETTOR FAULTY - SUSPECT TEMPORARY CONTAMINATION OR INTERMITTENT FAILURE COMBINED WITH NON FIRING OF NO4 CYLINDERCAUSED ROUGH RUNNING ENGINE - CARBURETTOR ICING WAS DISMISSED AS THE CAUSEApr 1, 1996 · Cessna 172N · Fuel Control/Reciprocating EnginesSDR CA960404004Thermo Valve · loose nut(CAN)INSPECTION AS PER LYCOMING SB 518A FOUND NUT CRIMPED ONLY ON ONE SIDE AND EXTREMELY LOOSE.Mar 27, 1996 · Cessna 172M · Engine Oil Temperature RegulatorSDR 96ZZZX2390Retainer · crackedAFTER INSTALLATION AND PROPER TORQUE, THE SPRING RETAINER CRACKED INTO 2 PIECES THROUGH THE STUD HOLE.Mar 21, 1996 · Reciprocating Engine Cylinder SectionSDR 96ZZZX3566Impulse Coupler · excess wearDURING ROUTINE MAINTENANCE (COMPRESSION CHECK) ENGINE 'LOCKED UP.' UPON INVESTIGATION/EXAMINATION, IMPULSE COUPLER PAWL AND PAWL AXIS FOUND EXTREMELY WORN ALLOWING IMPULSE COUPLING TO JAM INTERMITTENTLY WITH NO WARNING.Mar 13, 1996 · N79301 · Cessna 172K · Magneto/DistributorSDR AU960359Cable · failed(AUS) ENGINE MIXTURE CONTROL CABLE FAILED AT WORN SECTION OF EXPOSED CABLEMar 13, 1996 · Cessna 172I · Mixture ControlSDR CA960123022Valve · jammed(CAN) NON FERROUS METAL IN THE MAIN AND SUCTION OIL SCREENS. ZERO COMPRESSION ON #4 CYLINDER, SUSPECT A JAMMED VALVE. #4 CYLINDER REMOVED AND SENT FOR REPAIR.Jan 16, 1996 · Cessna 172L · Reciprocating Engine Cylinder SectionSDR 95ZZZX6613Pump · failedENGINE LOST OIL PRESSURE ON DEPARTURE AND RETURNED TO THE AIRPORT. NO INCIDENT OCCURRED. ENGINE WOULD NOT MAKE FULL RPM. PROPELLER STOPPED WHEN POWER REDUCED TO IDLE. SUBMITTER STATED ENGINE WAS OPERATED MOST OF ITS LIFE WITHOUT AN OIL FILTER. RECOMMEND MNov 13, 1995 · N21329 · Cessna 172M · Reciprocating Engine Oil SystemSDR 96ZZZX176Coil · defectiveDURING RUN-UP, RT MAG DROP WAS EXCESSIVE OR ENGINE WOULD STOP. MAGNETO WAS DISASSEMBLED AND POINTS AND CONDENSOR REPLACED DUE TO WORN CONDITION. COIL WAS TESTED AND THE SECONDARY WAS FOUND TO HAVE APPROXIMATELY 5 MILLION OHMS RESISTANCE. THE SPEC IS 13,000-Oct 31, 1995 · N19992 · Cessna 172M · Magneto/DistributorSDR 95ZZZX6575Carburetor Tube · missingPILOT SAID THE ENGINE HAD A LOSS OF POWER AND IT WAS HARD TO START. ENGINE WAS REMOVED FOR OVERHAUL WITH 2125 TSO. WHEN THE CARBURETOR WAS REMOVED, IT WAS NOTICED THE ACCELERATOR DISCHARGE TUBE WAS MISSING. SUBMITTER SUSPECTED REASON FOR LOSS OF TUBE WAS CASep 25, 1995 · N12805 · Cessna 172 · Fuel Control/Reciprocating EnginesSDR 95ZZZX5649Key · brokenPILOT REPORTED THE ENGINE RUNS ROUGH AT LOW POWER SETTING ONLY. TROUBLESHOT AND FOUND ONE OF THE NR 3 CYLINDER EXHAUST VALVE KEYS BROKEN IN TWO AND THE VALVE STEM WAS DESTROYED IN THE KEY AREA.Sep 7, 1995 · N6814H · Cessna 172M · Reciprocating Engine Cylinder SectionSDR 95ZZZX4583Valve · crimp nut looseWHILE COMPLYING WITH LYCOMING SB NR 518C DURING 100-HOUR INSPECTION, FOUND THERMOSTATIC OIL BYPASS VALVE HAD LOOSE CRIMP NUT, ACCOMPLISHED REPAIR IAW LYCOMING SERVICE INSTRUCTION NR 1423 AND REINSTALLED.Aug 21, 1995 · Engine Oil Temperature RegulatorSDR 95ZZZX4012Camshaft · wearCAMSHAFT WAS PURCHASED FROM AIR SUPPORT INTERNATIONAL, INC. CAMSHAFT WAS OVERHAULED AT AIRCRAFT SPECIALTIES SERVICES FAA REPAIR STATION DD2R764K. CAMSHAFT SHOWED SIGNS OF PREMATURE WEAR. SUBMITTED BY EXECUTIVE FLYERS 141 SCHOOL LP8S302Q.Aug 1, 1995 · N13599 · Cessna 172M · Reciprocating Engine Power SectionSDR 95ZZZX4017Camshaft · wearCAMSHAFT WAS PURCHASED FROM AIR SUPPORT INTERNATIONAL, INC. CAMSHAFT WAS OVERHAULED AT AIRCRAFT SPECIALTIES SERVICES, FAA REPAIR STATION DD2R764K. CAMSHAFT SHOWED SIGNS OF PREMATURE WEAR. SUBMITTED BY EXECUTIVE FLYERS 141 SCHOOL LP8S302Q.Aug 1, 1995 · N61992 · Cessna 172M · Reciprocating Engine Power SectionSDR 95ZZZX3860Rocker Shaft · crackedDURING THE CHANGING OF THE PUSHROD HOUSING TUBE SEALS WHICH INVOLVES REMOVING THE ROCKER BOXES, FOUND THE VALVE ROCKER SHAFT ON THE EXHAUST SIDE OF CYLINDER NR 3 CRACKED ABOUT ONE-HALF THE WAY AROUND AND .25 INCH FROM THE END.Jul 17, 1995 · N2942X · Cessna 177 · Reciprocating Engine Cylinder SectionSDR 95ZZZX3622Hose · leakingFUEL HOSE RUNS ACROSS THE TOP OF THE ENGINE. WHEN PRESSURE CHECKED, IT LEAKED ALONG THE ENTIRE LENGTH. TAG ON HOSE HAS THE FOLLOWING DATA: PAW 601000-4-0544. PT10-89. A4Q89. 1000 PSI. RUBBER. 00624. TSO - 053A. SEE AEROQUIP SBAA135 - THESE HOSES ARE Jul 3, 1995 · N3315V · Cessna R172K · Engine Fuel DistributionSDR 95ZZZX3489Mount · crackedFOUND ENGINE MOUNT CROSS BRACES CRACKED. SUBMITTER RECOMMENED CHECK AT 100 HOURS ANNUAL.Jun 27, 1995 · N13552 · Cessna 172M · Engine Mount SectionSDR 95ZZZX3646Valve · failedTHE THERMOSTATIC OIL COOLER BYPASS VALVE WAS REPLACED AT OVERHAUL OF THE ENGINE BY CLYDESDALE AIRCRAFT. THE ENGINE WAS INSTALLED IN A CESSNA 172 SKYHAWK. A TEST FLIGHT SHOWED VERY HIGH OIL TEMP. THE OIL COOLER WAS COLD TO THE TOUCH. THE OIL BYPASS VALVE DIJun 23, 1995 · Hydraulic Filter, AuxiliarySDR 95ZZZX3009Shaft · defectiveREMOVED ACCESSORY CASE TO CHECK COMPLIANCE WITH AD 81-18-04 OIL PUMP GEARS. LOG BOOKS NON-SPECIFIC. FOUND OIL PUMP DRIVING GEAR AND SHAFT WITH SHEARED WOODRUFF KEY. OIL PUMP ASSEMBLY ON VERGE OF COMPLETE FAILURE. PUMP HOUSING BADLY DAMAGED. ENGINE MANUFACJun 1, 1995 · N5209R · Cessna 172M · Reciprocating Engine Oil SystemSDR 95ZZZX3010Gear · defectiveREMOVED ACCESSORY CASE TO CHECK COMPLIANCE WITH AD 81-18-04 OIL PUMP GEARS. LOG BOOKS NON-SPECIFIC. FOUND OIL PUMP DRIVING GEAR AND SHAFT WITH SHEARED WOODRUFF KEY. OIL PUMP ASSEMBLY ON VERGE OF COMPLETE FAILURE. PUMP HOUSING BADLY DAMAGED. ENGINE MANUFACJun 1, 1995 · N5209R · Cessna 172M · Reciprocating Engine Oil SystemSDR 95ZZZX2728Valve · wornENGINE RAN ROUGH AT IDLE AND LOUD MECHANICAL NOISES WERE REPORTED. VISUAL INSPECTION OF ENGINE BEFORE DISASSEMBLY SHOWED ZERO VALVE STEM TO ROCKER CLEARANCE. DISASSEMBLY OF CYLINDER SHOWED EXHAUST VALVE PN AL19001 WORN EXCESSIVELY IN THE RETAINER GROOVE. REMay 17, 1995 · Reciprocating Engine Cylinder SectionSDR 95ZZZX4187Gasket · leakMANITA GASKET PMA PART FOR INTAKE GASKET FOR LYCOMING 0320. BLOWS OUT OF SIDE CAUSING INTAKE LEAK. FIRST ONE AT 150 HOURS SMO, AND SAMPLE AT 260 HOURS.May 17, 1995 · N20024 · Cessna 172 · Reciprocating Engine Cylinder SectionSDR 95ZZZX2680Valve · brokenWHILE IN CRUISE, EXHAUST VALVE BROKE APPROXIMATELY ONE-HALF WAY UP THE STEM. THE CYLINDER HEAD AND THE PISTON WERE RENDERED UNSERVICEABLE DUE TO THEIR COMBINED EFFORT TO BREAK THE VALVE INTO SMALL ENOUGH PIECES TO BLOW THEM OUT THE EXHAUST SYSTEM.May 1, 1995 · N35496 · Cessna 172I · Reciprocating Engine Cylinder SectionSDR 95ZZZX3792Valve · failedWHILE IN-FLIGHT CRUISE, THE HEAD OF THE EXHAUST VALVE BROKE OFF THE VALVE STEM CAUSING INTERNAL ENGINE DAMAGE. THE AIRCRAFT MADE AN EMERGENCY LANDING ON A SHORT GRASS RUNWAY CAUSING SUBSTANTIAL DAMAGE TO AIRCRAFT. THIS INSPECTOR HAS WITNESSED THIS BEFORE ON Apr 28, 1995 · Cessna 172M · Reciprocating Engine Cylinder SectionSDR 95ZZZX1899Coil · crackedTHE MAGNETO COIL CRACKED CAUSING MAG TO FAIL. THIS REPORT IS IN CONJUNCTION WITH AN ADDITIONAL REPORT ON THE SAME AIRPLANE AT THE SAME TIME A DUAL MAG FAILURE OCCURRED ON LANDING ROLL OUT. INSPECTIONS ON THE NAGNETOS DO NOT REQUIRE REMOVAL OF COIL TO SATISFYApr 5, 1995 · N29406 · Cessna 177 · Magneto/DistributorSDR 95ZZZX1900Coil · crackedTHE MAGNETO COIL CRACKED ITS OUTER CASING. THERE DID NOT SEEM TO BE ANY EVIDENCE OF ABUSE, BUT THE LEFT MAGNETO ON THE SAME ENGINE FAILED BY CRACKING ALSO, AND, IT ONLY HAD 180 HOURS TIME IN SERVICE, AN ADDITIONAL MALFUNCTION AND DEFECT REPORT WILL BE FILED FApr 5, 1995 · N29406 · Cessna 177 · Magneto/DistributorSDR 95ZZZX2712Hose · defectiveUPON INVESTIGATION OF LOWER THAN NORMAL POWER OUTPUT, FOUND INTAKE COUPLING HOSE INTERIOR (ALL 4) INTERNALLY REDUCING IN SIZE FROM 1.75 INCHES TO 1.25 INCHES. THIS IS A SUBSTANTIAL REDUCTION IN FLOW (NEARLY ONE-HALF VOLUME) FROM 3.06 SQUARE INCH TO 1.56 SQUARMar 3, 1995 · N9526H · Cessna 172M · Reciprocating Engine Cylinder SectionSDR 95ZZZX2713Bendix Drive · failedTHE STARTER MOTOR TURNS, BUT THE BENDIX WILL NOT ENGAGE. POSSIBLE FAULTS: 1. WORN. 2. WRONG LUBRICANT - NOT SILICONE AS RECOMMENDED. 3. DIRT/OIL PREVENTING 'SLIDING' AS REQUIRED.Mar 3, 1995 · N7809G · Cessna 172L · Engine StarterSDR 95ZZZX2182Valve · failedDURING FLIGHT, ENGINE STARTED RUNNING ROUGH, ENGINE FAILED ON LANDING. NR 3 CYLINDER VALVE EXHAUST FAILED. REPLACED/OVERHAULED CYLINDER. AIRCRAFT RETURNED TO SERVICE.Feb 24, 1995 · N64373 · Cessna 172M · Reciprocating Engine Cylinder Section
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