Continental C85-12F
Service difficulty reports · 28
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 = 'C8512F' 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.
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 = 'C8512F' ORDER BY difficulty_date DESC
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
SDR 2025FA0000450Air Box · inflt separationINSTALLED NEW UNIVAIR FAA/PMA CARBURETOR AIR-BOX, P/N U4-601-1 (144348). AFTER 1.3 HOURS FLIGHT TIME THE AIR OUTLET TUBE FLANGE ON THE BOTTOM OF THE BOX WHICH HAD BEEN ATTACHED BY SPOT WELDING, COMPLETELY SEPARATED AT THE SPOT WELDS AND DEPARTED FROM THE AIRCRSDR 2024FA0000555Isolation Mount · crackedDURING THE REPLACEMENT OF THE ENGINE MOUNTS, WE FOUND THAT THE TORQUE CALLED OUT IN THE MAINTENANCE MANUAL (CESSNA 100- SERIES SERVICE MANUAL 1962 AND PRIOR PARA 12-10(B) AND PAGE 1-8 FOR 3/8-24 AN310 SELF LOCKING NUT NOTE 2 (160-190 IN. LBS)) APPEARS TO BE ESDR 2023FA0000315Propeller · brokenABOUT FIVE INCHES OF PROPELLER BLADE #1 SEPARATED FROM TIP DURING FLIGHT REQUIRING AN IMMEDIATE EMERGENCY LANDING.SDR 2022FA0000173Magneto · brokenMAGNETO IMPULSE BROKEN INTO SEVERAL PARTS. HAVE PHOTOS OF THE PARTS THAT CAN BE E-MAILED UP ON REQUEST.SDR 2016FA0000187Wheel Half · failedLEFT INNER WHEEL HALF FAILED ON LANDING ROLL. RACE SHELF BROKEN OFF AND FOUND INSIDE WHEEL. NO DAMAGE TO LANDING GEAR AXLE, BRAKE SHOE MECHANISM/INSTALLATION, LANDING GEAR STRUTS, LANDING GEAR BRACES OR FABRIC TRIANGLE COVERS. NEW RACES AND BEARINGS INSTALLSDR CA120516001Brake Assy · failed(CAN) LT BRAKE ASSY FAILED ON LANDING AND APPLICATION OF BRAKES. BRAKE ROTOR AND BRAKE CALIPER DESTROYED AFTER APPLICATION AND RENDERING BRAKE SYS INOPERATIVE ON ROLL OUT AND TAXI.SDR CA091113003Guide · broken(CAN) BROKEN VALVE GUIDE DETECTED AS THE ANNUAL 1 100 HR INSPECTION. CYLINDER ASSY REMOVED, LOW COMPRESSION ON DIFFERENTIAL TEST 20/80 SENT TO AMO FOR REPAIR NOTE: CYLINDER ASSY WAS PURCHASED NEW OCT. 2004 - 245.0 HR.SDR 2009FA0000622Crankshaft · shearedCRANKSHAFT SHEARED WHILE IN FLIGHT.SDR 2008FA0000301Muff · failedAFTER A FLIGHT, IT WAS NOTED THAT A PORTION OF SCAT HOSE WAS HANGING FROM THE BOTTOM OF COWLING OPENING. UPON INSPECTION IT WAS FOUND THAT THE CARBURETOR HEAT FLANGE HAD SEPARATED WITH THE SCAT HOSE ATTACHED WITH CLAMP FRO THE IB HALF OF THE RT CARB HEAT MUFFSDR 2008FA0000153Chain · looseLT FUEL GAUGE INDICATED 10 GAL. IN TANK AT ALL FUEL LEVELS. THE TANK WAS DRAINED AND ACCESS COVER REMOVED. THE FUEL CAP RETAINING CHAIN WAS FOUND TO HAVE COME LOOSE ON THE TANK END (S) HOOK AND WRAPPED AROUND THE ARM ON THE FUEL LEVEL SENDING UNIT LOCKING IT ASDR CA070717009Bracket · broken(CAN) V-BRACKET OF SPINNER BROKE ON ONE SIDE, THAT CAUSED OFFSET OF SPINNER WHICH CAUSED VIBRATION AND DECIDED TO CONDUCT A PRECAUTIONARY LANDING ON A FARMERS FIELD. NO FURTHER DAMAGE. (TC NR 20070717009)SDR 2006FA0001034Oil Filter · contaminatedDURING CRUISE FLIGHT, OIL PRESSURE DROPPED TO BELOW MINIMUM REDLINE. PRECAUTIONARY LANDING WAS MADE. ON INSPECTION, DISCOVERED RECENTLY INSTALLED (2 HOURS IN SERVICE) OIL FILTER HAS DESIGN AND/OR MANUFACTURING DEFECT ALLOWING AN INTERNAL SEAL TO BE DAMAGED DSDR 2006FA0001035Oil Filter · contaminatedDURING CRUISE FLIGHT, OIL PRESSURE DROPPED TO BELOW MINIMUM REDLINE. PRECAUTIONARY LANDING WAS MADE. ON INSPECTION, DISCOVERED RECENTLY INSTALLED (2 HOURS IN SERVICE) OIL FILTER HAS DESIGN AND/OR MANUFACTURING DEFECT ALLOWING AN INTERNAL SEAL TO BE DAMAGED DSDR CA040430001Rib · corroded(CAN) DURING INSPECTION TO COMPLY WITH AD 2003-21-01 SEVERE CORROSION FOUND ON FORWARD END OF RIB, AFT OF REAR SPAR, IN THE RT CENTER SECTION, BETWEEN THE FUSELAGE AND WING. THE CORROSION WAS NOT READILY NOTICEABLE UNTIL INSTALLATION OF INSPECTION PANELS SK 80SDR CA040312003Cylinder Head · misaligned(CAN) ENGINE WAS SENT TO ENGINE SHOP FOR PROP STRIKE INSPECTION. UPON REINSTALLATION OF NR 1 CYLINDER, IT WAS DISCOVERED THAT THE BARREL AND HEAD WERE MISALIGNED BY APPROX. 5 DEGREES (UNIT WAS REPLACED). ENGINE SHOP ADVISES THIS IS A DEFECT OCCURING DURING OSDR 2004FA0000080Spar · corrodedAD 2002-26-02 CORROSION INSPECTION: REMOVED BOTH WINGS AND BOTH FUEL TANKS. INSPECTED ENTIRE CENTER SECTION AND FOUND FOUR QUARTER SIZED AREAS OF LIGHT CORROSION ON FWD SIDE OF FRONT CENTER SECTION SPAR. CORROSION AREAS WERE SANDED WITH 240 GRIT SANDPAPER AND SDR 2003FA0000618Rib · corrodedAD 2002-26-02 ADMENDMENT 39-12987, MFG SERVICE BULLETIN NR 31. METHOD 1, INSPECTION HOLES IN WING CENTER SECTION. INSPECTED FRONT AND REAR SPARS...NO EVIDENCE OF CORROSION. DISCOVERED CORRODED RIB, RIGHT SIDE TRAILING EDGE WING WALK BOX. REMOVED AND REPLACED SDR CA030515003Bellcrank · cracked(CAN) DURING INVESTIGATION THE RUDDER BELLCRANK WAS FOUND CRACKED.SDR 99ZZZX4684Rod · failedPILOT REPORTED LOSS OF OIL PRESSURE. THIS WAS FOLLOWED BY ABNORMAL ENGINE SOUNDS. UPON INSPECTION, THE ENGINE TURNED FREELY, THE CABLE WAS FOUND CRACKED ABOVE THE NR 4 CYLINDER. CRACK APPEARS TO HAVE BEEN CAUSED BY A BROKEN CONNECTING ROD.SDR 99ZZZX3066Piston Ring · failedREMOVED CYLINDERS BECAUSE LOWER COMPRESSION. FOUND BROKEN RINGS ON NR 2, NR 3, AND NR 4 CYLINDERS. CAUSE UNKNOWN.SDR AU990098Crankshaft · damaged(AUS) CRANKSHAFT AND TIMING GEARS DAMAGED. ENGINE HAD BEEN OVERHAULED IN THE USA APPROXIMATELY 285 HOURS PREVIOUSLY.SDR CA980602091Blade · corroded(CAN) PROPELLER RECEIVED FOR CORROSION INSPECTION. CORROSION REMOVED.SDR 98ZZZX2687Generator · failedPARTS 530412 NUT, 2.531325 GEAR 530407, SLEEVE 4.632050 BUSHING 352030 RETAINER. THESE COMPONENTS FAILED CAUSING THE GENERATOR SHAFT TO FAIL. THE PARTS WERE CHEWED UP BY THE CAMSHAFT GEAR AND METAL CONTAMINATED THE OIL SYSTEM. THE ACCESSORY CASE WAS ALSO DASDR CA970709003Vertical Stab · cracked(CAN) LEADING EDGE 4130 TUBE OF VERTICAL STABILIZER FOUND CRACKED THROUGH JUST ABOVE THE SOCKET ON THE FUSELAGE.SDR 97ZZZX790Distributor Blk · wornTROUBLESHOT IGNITION SYSTEM. FOUND LEFT MAGNETO TO BE PROBLEM. DISASSEMBLED MAGNETO AND FOUND ROTOR GEAR RUBBING ON DISTRIBUTOR BLOCK HOUSING. DISTRIBUTOR BLOCK HOUSING WAS WARPED. ALSO FOUND BUSHING IN DISTRIBUTOR BLOCK HOUSING WAS WORN THROUGH ON SIDE TOSDR 97ZZZX557Valve · failedNR 1 CYLINDER SWALLOWED EXHAUST VALVE. HEAD OF VALVE EMBEDDED IN PISTON.SDR CA960527006Spar · cracked(CAN)ON INSPECTION THE REAR SPAR WAS FOUND FAILED (CRACKED) AT THE RIGHT HAND REAR SPAR ROOT END BISCUIT. IT WAS NOTED TO HAVE FAILED ACROSS THE TOP AT THE SECTION OF THE SPAR THAT IS MILLED OUT TO ACCOMMODATE THE BISCUIT DOUBLERS. SUBMITTER STATES THAT THE AISDR CA960304004Fuel · contaminated(CAN) DURING FINAL APPROACH, ENGINE STARTED TO RUN ROUGH, BUT WORKING THROTTLES SEEMED TO FIX PROBLEM. ON SHORT FINAL, ENGINE QUIT AND THEN PROPELLER STOPPED. GLIDE INITIATED BUT LANDED SHORT IN A SHED. INVESTIGATION REVEALED THAT FUEL LINE FROM STRAINER HAD B
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