Continental 0-300-A

Service difficulty reports · 39

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 = 'O300A'
  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 2023FA0000321Piston · failedINSTALLED NEW CYLINDER KIT WITH VALVES AND PISTON. PISTON MELTED AT UPPER RING, SCORED THE CYLINDER WALL, AND BLEW A HOLE THROUGH ONE SIDE. CYLINDER LOST ALL COMPRESSION AND OVERHEATED. METAL DEBRIS ENTERED THE ENGINE CASE AND ATTACHED TO THE HYDRAULIC LIFMay 26, 2023 · N4189F · Cessna 172 · Engine (Reciprocating)SDR 2010FA0001259Carburetor · contaminatedENGINE LOST POWER CAUSING ACFT TO MAKE AN EMERGENCY LANDING IN A SOFT FIELD RESULTING IN THE ACFT FLIPPING OVER AND CAUSING SUBSTANTIAL DAMAGE. UPON INVESTIGATION THE FAA FOUND MICROBIOLOGICAL GROWTH IN THE CARBURETOR'S FUEL BOWL AT THE DRAIN PLUG AREA CAUSINNov 16, 2010 · N8306B · Cessna 172 · Fuel Control/Reciprocating EnginesSDR 2009FA0000745Magneto · failedLT MAGNETO SEVERE MISS AND INTERMITTENT, INOPERATIVE IN FLIGHT. SB'S 02-08A AND 03-08A C/W THROUGH INSP. LT MAGNETO, SLICK MODEL 6364, SN 06121363 WITH 356 TOTAL HOURS. FUNCTIONAL CHECK ON GROUND CHECK GOOD BEFORE AND AFTER FLIGHT. INSP REVEALED CAPACITOR, CAug 17, 2009 · N8508B · Cessna 172 · Magneto/DistributorSDR CA060717002Heater · cracked(CAN) LT MUFFLER CRACKING, BURNING THROUGH. RT MUFFLER CRACKED. STACK CRACKED. NOTE: CRACKS NOT VISIBLE WITH ATTACHMENTS (SCROUNDS) ON. MUFFLER HEATER - LT P/N 0550157-9, RT P/N 0550157-32 (TC NR 20060717002)Jul 10, 2006 · Cessna 172 · Engine Noise SuppressorSDR 2006FA0000573Rib · crackedRIB, CRACKED AT VERTICAL HINGE LINE JUNCTURE. STRESS FROM COUNTER WEIGHT AND NORMAL WEAR. AGE OF THE PART AND THE WIND. SUBMITTER RECOMMENDS CLOSE INSPECTION AND REPLACEMENT OF PART IF DAMAGED. (K)May 25, 2006 · N5039A · Cessna 172 · Rudder, Spar/RibSDR CA040825001Bracket · cracked(CAN) CHANGED LT UPPER ENGINE RAIL BRACKET. PN 0411281-6 REPLACED WITH NEW PART. NEW HARDWARE USED.Aug 17, 2004 · Cessna 170B · Engine Mount SectionSDR CA040723005Spring · broken(CAN) NO POWER TO RT MAGNETO DUE TO BROKEN IMPULSE SPRING RETARDING TIMING.Jul 10, 2004 · Cessna 172 · Magneto/DistributorSDR CA040429010Hub · corroded(CAN) UPON INSPECTION SEVERE CORROSION IN HUB CAVITY AND IN MOUNTING BORE. DIMENSIONS AT MINIMUM BEFORE REWORK. PROPELLER IS UNSERVICEABLE.Apr 29, 2004 · Cessna 170A · Propeller Hub SectionSDR CA040415002Valve Guide · worn(CAN) CYLINDER NR 3, 4 AND 5, EXCESSIVE OIL CONSUMPTION AND LOW COMPRESSION. ENGINE WAS RETURNED TO OVERHAUL FACILITY WHERE IT WAS DISCOVERED THAT 3 OF 6 CYLINDERS HAD EXCESSIVE PLAY IN THE EXHAUST VALVE GUIDES WHICH CAUSED THE VALVE TO BECOME COKED AND STICKApr 4, 2004 · Cessna 172 · Reciprocating Engine Cylinder SectionSDR CA010223002Blade · corroded(CAN) EXTRA WORK REQUIRED TO REMOVE CORROSION FROM BLADE FACE (CAMBER FACE) IN ACCORDANCE WITH MCCAULEY MANUAL 730720.Feb 6, 2001 · Cessna 172 · Propeller SystemSDR AU000807Tachometer · worn(AUS) TACHOMETER FAILED. ITEM HAD BEEN LAST OVERHAULED IN 1972. (X)Sep 5, 2000 · Cessna 172 · Engine RPM Indicating SystemSDR AU000588Engine · making metal(AUS) DURING CRUISE, A DROP IN INDICATED OIL PRESSURE AND A RISE IN OIL TEMPERATURE WAS OBSERVED. A POST INSPECTION FOUND THE OIL FILTER CLOGGED WITH ALUMINIUM AND WHITE BEARING METAL CONTAMINATION.Jun 11, 2000 · Cessna 172 · Engine (Reciprocating)SDR AU000849Exhaust Valve · seized(AUS) NR 4 CYLINDER EXHAUST VALVE STUCK IN VALVE GUIDE. (X)Apr 23, 2000 · Cessna 172D · Reciprocating Engine Cylinder SectionSDR CA000301011Control Cable · frayed(CAN) DURING THE ANNUAL INSPECTION, THE RUDDER CABLES WERE FOUND CORRODED AND FRAYED WHERE THEY PASS THROUGH THE TAILCONE AREA. THE SUBMITTER STATES THAT THIS AREA IS DIFFICULT TO INSPECT THOROUGHLY WITHOUT DISASSEMBLY OF THE TAIL SECTION.Feb 15, 2000 · Cessna 170B · Rudder Control SystemSDR AU000128053Engine · seized(AU) ENGINE LOST ITS OIL AND SEIZED. OPERATOR SPECIFIED FROZEN BREATHER AS THE CAUSE.Jan 5, 2000 · Cessna 170B · Engine (Reciprocating)SDR CA000128053Engine · seized(CAN) ENGINE LOST ITS OIL AND SEIZED. OPERATOR SPECIFIED FROZEN BREATHER AS THE CAUSE.Jan 5, 2000 · Cessna 170B · Engine (Reciprocating)SDR 99ZZZX4693Rocker Arm · failedNR 6 CYLINDER EXHAUST ROCKER ARM FAILED ON TAKEOFF, INBOARD SECTION CRACKED AT PUSHROD END OIL FEED HOLE AND APPROXIMATELY 180 DEGREES FROM THAT HOLE. PART IS MAGNETIZED.Dec 1, 1999 · N7452A · Cessna 172 · Reciprocating Engine Cylinder SectionSDR 99ZZZX4432Crankshaft · failedCRANKSHAFT BROKEN AT NR 6 CONNECTING ROD PIN. OFF-AIRPORT LANDING WITH NO DAMAGE OR INJURY.Nov 7, 1999 · N7638T · Cessna 172A · Reciprocating Engine Power SectionSDR CA990927046Mount · worn(CAN) ENGINE MOUNT WORN.Sep 8, 1999 · Cessna 172 · Engine (Reciprocating)SDR CA990927047Muffler · misrepaired(CAN) UNAPPROVED WELD REPAIR ON RIGHT MUFFLER.Sep 8, 1999 · Cessna 172 · Engine Noise SuppressorSDR CA990531042Support · broken(CAN) RIGHT HAND CONTROL COLUMN OPPERATION BECAME BLOCKED CAUSING LOSS OF AIRCRAFT DURING LANDING APPROACH. THE INSTRUMENT PANEL BRACE BECAME BROKEN AS STATED IN TC SYSTEM SAFETY, DORVAL ACCOMPANYING PHOTO. TSB REPORT TO FOLLOW FILE A99Q0075-2 CADORS 99Q0262May 26, 1999 · Cessna 172 · Fuselage Miscellaneous StructureSDR CA981109016Blade · corroded(CAN) PROPELLER RECEIVED FOR CORROSION INSPECTION. INSPECTION FOUND CORROSION AND BLADE DAMAGE DUE TO STONES.Oct 22, 1998 · Cessna 172 · Propeller Blade SectionSDR CA980811010Cylinder · cracked(CAN) LOW COMPRESSION ON NR 2 CYLINDER. INSPECTION FOUND A STICKING EXHAUST VALVE AND THE CYLINDER CRACKED SLIGHTLY FROM THE EXHAUST SEAT TO THE SPARK PLUG. THE CYLINDER WAS REPLACED.Jul 24, 1998 · Cessna 172 · Reciprocating Engine Cylinder SectionSDR 98ZZZX3074Breaker Assy · failedRIGHT MAGNETO DEVELOPED A LOW EXCESSIVE DROP OF 150 RPM ON GROUND. CHECKS AT 1600 RPM. FOUND RT MAG BREAKER ASSY WITH BROKEN CAM FOLLOWER SPRINGLEAF NEXT TO FACTORY ASSY SCREW. SECOND OCCURRENCE SINCE 1995. SUSPECT ELTROSYSTEMS FAA PMA LEAF SPRINGS TOO BRIMay 7, 1998 · N4156F · Cessna 172 · Magneto/DistributorSDR 98ZZZX2468Cylinder · failedPILOT WAS IN NORMAL CRUISE WHEN HE HAD A SUDDEN POWER LOSS AND ENGINE VIBRATION. AN UNEVENTFUL LANDING WAS MADE ON A ROAD. INVESTIGATION REVEALED THE NR 2 CYLINDER HAD SEPARATED ABOUT 2 INCHES FROM THE ENGINE CASE. THE SEPARATION WAS THROUGH THE STEEL PORTIMay 2, 1998 · N6362E · Cessna 172 · Reciprocating Engine Cylinder SectionSDR 97ZZZX4303Valve · stuckENGINE FOUND WITH EXHAUST VALVE STICKING OPEN. AIRCRAFT HAD BEEN RUN ON AUTO GAS. SMOH: 925 HOURS.Sep 1, 1997 · Cessna 172 · Reciprocating Engine Cylinder SectionSDR 97ZZZX1841Oil Pan · corrodedCORROSION FOUND INSIDE OF THE BOTTOM OF THE OIL PAN AROUND THE PLUG BOSS. THIS WAS DUE TO MOISTURE CONDENSING AND COLLECTING AT THE BOTTOM OF PAN. IF THE AIRCRAFT IS GOING TO SIT FOR WEEKS ON END;SUBMITTER SUGGESTS ONE-QUARTER OF THE OIL BE DRAINED AS THIS WApr 8, 1997 · N8591B · Cessna 172A · Reciprocating Engine Oil SystemSDR 96ZZZX5722Cylinder · excess wearTHIS FACILITY INSTALLED SIX CYL ASSEMBLIES PREASSEMBLED BY TCM ON AN O300A ENGINE (CESSNA 172). ENGINE WAS OPERATED ON 80/87 AVIATION FUEL AND AEROSHELL 80 MINERAL OIL. AFTER 14 HOURS TOTAL TIME IN SERVICE (TWO MONTHS ELAPSED TIME) LOW COMPRESSION WAS EXPERINov 7, 1996 · Cessna 172 · Reciprocating Engine Cylinder SectionSDR CA961016002Oil Sump · cracked(CAN) DURING ANNUAL INSPECTION AN OIL LEAK REPORTED BY THE OWNER LED TO INSPECTION OF THE OIL SUMP. EIGHT SMALL CRACKS WERE FOUND FROM THE FORWARD DRAIN PLUG, ONLY TWO WERE LEAKING. THE CRACKS HAD ORIGINATED INSIDE THE SUMP AND WERE CAUSED BY CORROSION PITTINGAug 16, 1996 · Cessna 172 · Reciprocating Engine Oil SystemSDR AU960759Valve · sticking(AUS) EXHAUST VALVE STUCK - OTHER FIVE VALVES TIGHT IN VALVE GUIDESMar 31, 1996 · Cessna 172 · Reciprocating Engine Cylinder SectionSDR 96ZZZX778Carburetor · mouse fodINVESTIGATION AFTER ENGINE FAILURE DISCOVERED A MOUSE LODGED IN THE CARBURETOR THROAT. THE DESIGN OF THE CABIN/CARBURETOR HEAT SYSTEM LEAVES AN OPEN PATH FROM THE CARBURETOR AIR BOX TO THE CABIN HEAT CONTROL VALVE ASSEMBLY. MICE CAN ENTER VIA THE CABIN OR THJan 1, 1996 · N2754L · Cessna 172H · Fuel Control/Reciprocating EnginesSDR 95ZZZX6406Oil Pump · bushing defectDURING MAJOR OVERHAUL, REAR CASE/OIL PUMP ASSY AND GEARS REWORKED. ENGINE HAD GOOD OIL PRESSURE, BUT AT OIL CHANGE, PUMP WOULD NOT PRIME ITSELF. DISSASSEMBLY REVEALED PUMP BUSHINGS WERE .004 INCH OUT OF CENTER AND ALLOWED TOO MUCH CLEARANCE ON ONE SIDE.Oct 31, 1995 · N6079A · Cessna 172 · Reciprocating Engine Oil SystemSDR 96ZZZX382Guide · wornINSTALLED 6 NEW SUPERIOR MILLENIUM CYLINDERS. THREE CYLINDERS LOST COMPRESSION WITHIN 24 HOURS. PULLED ALL 6 CYLINDERS. ALL 6 EXHAUST GUIDES WORN BEYOND SERVICE LIMITS. THESE WERE THEIR 'POWER PACKS'. PRE-ASSEMBLED WITH NEW VALVES, SPRINGS, PISTONS, ETC.Oct 15, 1995 · Reciprocating Engine Cylinder SectionSDR 95ZZZX5932Guide · excess wearNEW CYLINDERS FOR ENGINE ONLY LASTED FOR 85 HOURS WHEN EXHAUST GUIDES EXHIBITED EXCESS WEAR.Sep 22, 1995 · N6079A · Cessna 172 · Reciprocating Engine Cylinder SectionSDR 95ZZZX1433Magneto · defectiveAIRCRAFT LANDED ON ROAD 15 MINUTES AFTER TAKEOFF DUE TO ROUGH ENGINE AND NOT ABLE TO MAINTAIN ALTITUDE. AIRCRAFT HAS NOT RUN IN A LONG TIME. RAN AIRCRAFT ON GROUND 15 TO 20 MINUTES. MAGS CHECKED GOOD UP UNTIL THEN. STARTED GETTING REAL ROUGH, BOTH MAGS ANDMar 3, 1995 · N6110E · Cessna 172 · Magneto/DistributorSDR 95ZZZX1434Magneto · defectiveAIRCRAFT LANDED ON ROAD 15 MINUTES AFTER TAKEOFF DUE TO ROUGH ENGINE AND NOT ABLE TO MAINTAIN ALTITUDE. AIRCRAFT HAS NOT RUN IN A LONG TIME. RAN AIRCRAFT ON GROUND 15 TO 20 MINUTES. MAGS CHECKED GOOD UP UNTIL THEN. STARTED GETTING REAL ROUGH, BOTH MAGS ANDMar 3, 1995 · N6110E · Cessna 172 · Magneto/DistributorSDR 95ZZZX1001Cylinder · guide failedACFT OWNER'S BOOK ON THE O300A CALLS FOR 80/87 FUEL. HOWEVER, THE LEAD HAS BEEN REMOVED FROM 80/87, SO NO LUBRICATION COULD TAKE PLACE. CONTINENTAL USES LEAD IN THE FUEL FOR LUBE. VALVE GUIDES TOTALLY WORE OUT CAUSING LOW COMPRESSION AND HIGH OPERATION TEMPJan 20, 1995 · N2420B · Univac GC1B · Reciprocating Engine Cylinder SectionSDR 95ZZZX1002Cylinder · crackedCYLINDER CRACKED BETWEEN INTAKE AND EXHAUST SEATS.Jan 20, 1995 · N2420B · Univac GC1B · Reciprocating Engine Cylinder SectionSDR 95ZZZX952Retainer · missingDISASSEMBLY OF THE CYLINDER DISCLOSED A MISSING RETAINER FOR THE EXHAUST VALVE SPRING. WEAR INTO THE ALUMINUM HEAD WAS NOTED. 'NR 2 CYLINDER'.Jan 20, 1995 · N2420B · Univac GC1B · Reciprocating Engine Cylinder Section
Back to Continental 0-300-A