JASC 8530
Service difficulty reports · 4,341
Reports filed under 8530 · Reciprocating Engine Cylinder Section, newest first.
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 jasc_code = '8530' 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 jasc_code = '8530' 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 HYIA20160802004Exhaust Valve · damagedCYLINDER REMOVED DUE TO LOW COMPRESSION AT INSPECTION. EXHAUST VALVE DISPLAYS EVIDENCE OF HEAT DAMAGE.SDR HYIA20160802003Exhaust Valve · damagedCYLINDER REMOVED DUE TO LOW COMPRESSION AT INSPECTION. EXHAUST VALVE DISPLAYS EVIDENCE OF HEAT DAMAGE.SDR HYIA20160802002Exhaust Valve · damagedCYLINDER REMOVED DUE TO LOW COMPRESSION AT INSPECTION. EXHAUST VALVE DISPLAYS EVIDENCE OF HEAT DAMAGE.SDR 2016FA0000278Cylinder Head · crackedPILOT WAS IN CRUISE AND THE RT ENGINE STARTED TO VIBRATE. AN ALTERNATE AIRPORT WAS SELECTED AND ENROUTE THE ENGINE STARTED TO LOOSE POWER. MAINTENANCE PERSONNEL REMOVED THE COWLING AND NOTED THAT THE NR 6 CYLINDER HEAD WAS SEPARATED FROM THE BARREL. CYLINDESDR HYIA20160802001Exhaust Valve · damagedCYLINDER REMOVED DUE TO LOW COMPRESSION AT INSPECTION. EXHAUST VALVE DISPLAY EVIDENCE OF HEAT DAMAGE.SDR 2016FA0000660Boss · failedENGINE BEGAIN TO RUN ROUGH, MADE A PRECAUTIONARY LANDING. FOUND THE BOSS FOR THE ROCKER SHAFT HAD FAILED.SDR DUFA20160527001Cylinder Head · meltedPILOT WAS SETTING UP FOR INITIAL APPROACH WHEN THE LT ENG BEGAN TO RUN A LITTLE ROUGH. THE INSTRUCTOR NOTICED THE FUEL FLOW BEGIN TO DROP A LITTLE SO THE AUXILIARY BOOST FUEL PUMP WAS SELECTED TO HIGH. THE ENG BEGAN TO SMOOTH OUT WHEN THEY NOTICED THE TACHOMSDR 2016FA0000254Cylinder · brokenCYLINDER 4 ROCKER SHAFT BOSS ON EXHAUST SIDE BROKE OFF THE CYLINDER HEAD & WAS BOUNCING AROUND IN THE ROCKER BOX LEAVING A PORTION OF THE ROCKER SHAFT UNSUPPORTED DURING OPERATION. THE POINT OF FAILURE IS UNKNOWN. WHAT IS KNOWN IS THAT THE CYLINDER TOP END FSDR 2016FA0000228Valve · stuckSTUCK EXHAUST VALVE IN THE OPEN POSITION HAS CAUSED THE NR 5 CYLINDER PISTON TO PUSH IT CLOSED AND BENDING THE PUSHROD IN THE PROCESS. CYL ASSY'S NR 3, 5 & 6 DID THE SAME SHORTLY AFTER. CMI WAS CONTACTED & PARTS WERE COVEREND UNDER WARRANTY. REASON THIS WAS FSDR ITJA2016041300001Cylinder · separatedWHILE APPROXIMATELY 10 MILES OUT FROM LANDING AIRPORT, THE CREW NOTICED FIRE SHOOTING THROUGH THE UPPER COWLING OF THE LT ENGINE. CREW SHUTDOWN ENGINE IN FLIGHT. VISUAL INSPECTION REVEALED THAT THE NR 2 CYLINDER HAD SEPARATED FROM THE ENGINE CASE DUE TO HOLDSDR 2016FA0000444Valve · leakingDURING 100 HOUR,ANNUAL INSPECTION, THE CYLINDER NR 4 FAILED DIFFERENTIAL CYLINDER LEAK CHECK, EXCESSIVE LEAK BY EXHAUST AND INTAKE VALVE. ENGINE TOTAL TIME 1912.7.SDR NI6R201603270032Cylinder · inoperativeLEFT RADIAL ENGINE BEGAN POPPING AND BANGING. FLIGHT CREW CHECKED ENGINE ANALYZER AND FOUND A DEAD CYLINDER INDICATION. ENGINE WAS SHUTDOWN AND SECURED. UNEVENTFUL LANDING.SDR 2016FA0000143Cylinder Head · brokenDURING CLIMB THE RPM DROPPED AND POWER WAS LOST FORCING THE AIRCRAFT TO LAND IN A FIELD. INSPECTING THE ENGINE ON CYLINDER NR 2, THE 3 ROCKER SHAFT RETAINING BOSSES WERE FOUND BROKEN AND THE INTAKE AND EXHAUST ROCKER'S WERE NO LONGER OPENING THE VALVES. THE SDR FQAR20160324014Cylinder · leakingTHE ENGINE WAS UNDERGOING A COMPRESSION CHECK. ALL 4 CYLINDERS HAD GOOD COMPRESSION, 70 PSI, HOWEVER THE MECHANIC PERFORMING THE CHECK HEARD A FAINT HISSING SOUND WHEN THE NR 4 CYLINDER WAS TESTED. THE MECHANIC REMOVED THE INTER CYLINDER BAFFLE AND INTAKE RISDR CA160321008Cylinder · making metal(CAN) ENGINE RECEIVED FOR INSPECTION DUE TO METAL CONTAMINATION. IT WAS IDENTIFIED BY THE ENGINEER DURING INSPECTION OF THE ENGINE OIL SCREEN. IT WAS ALSO NOTED THAT THE NR 5 LOWER SPARK PLUG ELECTRODES WERE COVERED IN A NON-FERROUS METAL. AS A RESULT, CYLINDESDR CA160319001Cylinder · failed(CAN) ENGINE STARTED RUNNING ROUGH JUST AFTER TAKEOFF, PILOT RETURNED TO AIRPORT. MAINTENANCE INSPECTED ENGINE AND FOUND ZERO COMPRESSION ON NR 5 CYLINDER AND METAL CONTAMINATION IN OIL FILTER. ENGINE WAS REMOVED AND SENT TO ENGINE SHOP FOR FURTHER INVESTIGATSDR CA160310006Cylinder · oil consumption(CAN) ENGINE WAS O/H ON 2013-10- 29 WITH NEW CYLINDER KITS, PN : 051, 23037. ACFT WAS RETURNED TO SERVICE FOR OPERATION. ON 2015-0714, WITH A TOTAL OF 389.9 HRS. ALL CYLINDERS WERE REMOVED DUE TO HIGH OIL CONSUMPTION. REPAIRS WERE MADE BY AN AMO AND RE-INSSDR HX1R2016041230269Stud · brokenDURING INSPECTION, SAW NR 3 CYLINDER WITH ALL OF THE HOLDDOWN STUDS BROKEN OFF. THE CYLINDER MOVED IN AND OUT AND BROKE CONNECTION ROD, PUSH ROD TUBES, FUEL INJECTOR LINE, EXHAUST RISES, INDUCTION TUBES. 1 OF THE BROKEN STUDS HAVE A FILM OF RUST ON IT. THISSDR 2016FA0000123Cylinder · crackedNR 3 CYCLINDER BARREL CRACKED AT APPROXIMATELY 1" BELOW TOP DEAD CENTER. CRACK IS .75 PERCENT OF WAY AROUND AND DID NOT SEPARATE BARREL FROM HEAD.SDR L48S2016FA0000449Exhaust Valve · stuckDURING ANNUAL 100 HR INSPECTION OF LT ENGINE. MAINTENANCE PERFORMED A DIFFERENTIAL PRESSURE CYLINDER LEAK CHECK, CYLINDER NR 4 FAILED, 0/80 PSI, VISUAL INSPECTION CONFIRMED STUCK EXHAUST VALVE.SDR 2016FA0000443Valve · leakingDURING 50 HR OIL CHANGE PERFORMED DIFFERENTIAL PRESSURE CYLINDER LEAK CHECK, CYLINDER NR 2 FAILED, (5/80PSI). LEAKED BY EXHAUST AND INTAKE VALVE. ENGINE TIME SINCE OVERHAUL 523.5SDR 2016FA0000148Valve · stuckOWNER REPORTED LOSS OF POWER, EXTREMELY ROUGH RUNNING ENGINE, UNABLE TO MAINTAIN ALTITUDE, FORCED LANDING. ENGINE INSPECTION FOUND NR 4 CYLINDER EXHAUST VALVE STUCK OPEN, BENT PUSH-ROD AND ROD HOUSING. BORESCOPE INSPECTION OF THE CAMSHAFT LOBE, LIFTER FACE, RSDR 2016FA0000147Rocker · brokenWHILE ON A FLIGHT, ACFT AT CRUISE, 4500 VMC, PILOT FELT A SUDDEN POWER LOSS AND A VIBRATION. PILOT LANDED AND PERFORMED AN INSPECTION WITH A MECHANIC. ONCE IN THE ENGINE, THEY FOUND A BROKEN ROCKER ARM. REPLACED SAME AND RETURNED THE ACFT TO SERVICE.SDR 2016FA0000095Cylinder Head · wornENGINE HAD LOW COMPRESSION AT INSPECTION. MECHANIC FOUND BURNED EXHAUST VALVE. THE CYLINDER WAS DISASSEMBLED AND THE EXHAUST GUIDE WAS FOUND TO BE WORN BEYOND LIMITS. GUIDE WAS WORN TO .5080", MAX WEAR IS .5025". THIS IS THE THIRD LOW TIME ENGINE WE HAVE FOUNDSDR CA160223001Gasket · damaged(CAN) DURING OPERATION NR 1 INSPECTION OF ENGINE PORTION OF CHECK NOTICED INTAKE PIPE AT CYLINDER GASKET HAD BLUE STAINING FROM FUEL LEAK. GASKET APPEARED COMPRESSED AND UNABLE TO SEAL ,ALSO GASKET WAS SLIGHTLY OFF SET. REPLACED GASKET WITH NEW NO MORE LEAK.SDR YAXA2016021602Cylinder · crackedDURING A ROUTINE 100 HOUR INSPECTION, BLUE FUEL STAINING WAS FOUND ON THE TOP INTAKE SIDE OF THE NR 5 CYLINDER. CLOSER EXAMINATION REVEALED THAT THE CYLINDER WAS CRACKED, BETWEEN THE 14TH & 15TH COOLING FINS ON THE INTAKE SIDE OF THE CYLINDER HEAD INTO THE INTSDR YAXA2016021601Cylinder · crackedDURING A ROUTINE 100 HOUR INSPECTION, BLUE FUEL STAINING WAS FOUND ON THE TOP INTAKE SIDE OF THE NR 5 CYLINDER. CLOSER EXAMINATION REVEALED THAT THE CYLINDER WAS CRACKED, BETWEEN THE 14TH & 15TH COOLING FINS ON THE INTAKE SIDE OF THE CYLINDER HEAD INTO THE INTSDR EWFA2016FA0000022Cylinder Head · crackedNEW VIBRATION NOTICED DURING CRUISE. ONCE NORMAL DESCENT AND LANDING WAS MADE, ENGINE WAS INSPECTED AND WHOLE IN EXHAUST SIDE OF CYLINDER NR 1 DISCOVERED.SDR CA160114007Lifter · loose(CAN) UPON TAKEOFF, THE PILOT FELT SIGNIFICANT ENGINE VIBRATION AND REDUCTION OF POWER. AN UNSCHEDULED AND UNEVENTFUL LANDING WAS EXECUTED. ON INSPECTION, MAINTENANCE FOUND THE NR 2 CYLINDER INTAKE HYDRAULIC LIFTER, PN 15B28040/17113IM, HAD LOST THE RETAINING SDR FQAR20151230104Cylinder Head · separatedDURING CRUISE FLIGHT, THE PILOTS NOTED A LOSS OF ENGINE POWER, ACCOMPANIED BY ABNORMAL ENGINE SOUNDS AND A BURNING ODOR. THEY DIVERTED TO ANOTHER AIRPORT. VISUAL INSPECTION OF THE ENGINE REVEALED THE NR 1 CYLINDER HEAD WAS IN THE PROCESS OF SEPARATING FROM THESDR 9LIS2016FA0000006Cylinder Head · crackedTHE CYLINDER HEAD CRACKED AT THE NINETH COOLING FIN. CRACK RUNS ALONG THE FIN. THE CRACK IS ABOUT .5" LONG. THE CYLINDER HAD LOW COMPRESSION. THE CRACK OCCURRED UNDER NORMAL OPERATING CONDITIONS OF A FLIGHT SCHOOL. PROBABLE CAUSE: METAL FATIGUE. THE FOLLSDR CA151214012Nut · split(CAN) DURING A SCHEDULED INSPECTION, THE NR 6 CYLINDER FORWARD UPPER THROUGH STUD NUT WAS FOUND SPLIT. THE NUT WAS REPLACED WITH A NEW NUT, PN SA652541, BN 143819, AND TORQUE TO THE CORRECT VALUE IAW THE APPLICABLE MM.SDR 2016FA0000442Exhaust Valve · leakingAFTER TAKE OFF, FLIGHT CREW REPORTED LOSS OF 200 RPM AND AN ENGINE VIBRATION, FLIGHT CREW RETURNED AND LANDED IMMEDIATELY. PERFORMED DIFFERENTIAL CYLINDER LEAK CHECK AND DISCOVERED CYLINDER NR 4 HAD A STUCK AND LEAKING EXHAUST VALVE. ENGINE TOTAL TIME 629.6SDR CA151130010Stud · sheared(CAN) NR 4 CYLINDER ON THE RT ENGINE SHEARED 6 OF THE 8 STUDS IN FLIGHT. ENGINE TIME SINCE O/H IS 1360 HRS. A 500 HRS CYCLINDER BASE NUT TORQUE CHECK WAS CARRIED OUT 360 HRS AGO WITH NO LOOSE NUTS FOUND AND NO ADDITION TORQUE REQUIRED.SDR YAXA2015120804Cylinder Head · crackedWHILE PERFORMING OTHER MX, THE NR 1 CYLINDER ON THE LT ENG WAS FOUND TO BE CRACKED IN THE INTAKE PORT, BETWEEN THE 14TH & 15TH COOLING FINS. THE TELLTALE SYMPTOM IS BLUE FUEL STAINING COMING FROM THAT AREA. THIS IS THE 6TH CYLINDER WE HAVE HAD CRACK IN THIS SDR 2015FA0000591Cylinder Head · crackedPILOT REPORTED A LOSS OF 300-400, RPM SHORTLY AFTER TAKEOFF AND RETURNED TO AIRPORT. PERFORMED COMPRESSION CHECK AND FOUND 3 CYLINDERS CRACKED FROM THE INTAKE VALVE TO THE SPARK PLUG HOLE, CYLINDERS 1, 2 & 5. CYLINDER NR 3 WAS ALSO FOUND TO HAVE LOW COMPRESSISDR 2016FA0000441Exhaust Valve · leakingDURING 100 HOUR, ANNUAL INSPECTION, CYLINDER NR 4 FAILED DIFFERENTIAL CYLINDER LEAK CHECK, EXCESSIVE LEAK BY EXHAUST VALVE.SDR YWYR2015112400001Cylinder · crackedWHILE PERFORMING VISUAL INSPECTION DURING ANNUAL INSPECTION, TECH NOTED STAINING BETWEEN CYLINDER FINS ON INTAKE SIDE OF CYLINDER NR 6 ON RT ENGINE. CYLINDER COMPRESSION CHECK AND BORESCOPE INSPECTION CONFIRMED THAT STAINING WAS DUE TO A CRACK BETWEEN INTAKE SDR YAXA2015120803Cylinder Head · crackedDURING A ROUTINE 100 HOUR INSPECTION, THE NR 2 CYLINDER ON THE RT ENG WAS FOUND TO BE CRACKED IN THE INTAKE PORT, BETWEEN THE 14TH & 15TH COOLING FINS. THE TELLTALE SIGN IS BLUE STAIN EMANATING FROM THIS AREA. THIS IS THE 5TH CYLINDER WE HAVE FOUND CRACKED ISDR 2015FA0000561Cylinder Head · separatedACFT EXPERIENCED ENGINE OIL LOSS DURING CLIMB OUT, ACFT ALSO EXPERIENCED LOSS OF ENGINE OIL PRESSURE. ACFT LANDED SAFELY. UPON INSPECTION BY MAINTENANCE THE NR 5 CYLINDER HEAD WAS FOUND TO BE SEPARATED FROM THE CYLINDER BASE.SDR 2015FA0000556Intake Valve · failedPILOT REPORTED A VIBRATION IN THE LT ENGINE AND MADE A PRECAUTIONARY LANDING. UPON INVESTIGATION IT WAS FOUND THAT THE LT ENGINE HAD DROPPED AN INTAKE VALVE AND A HOLE HAD BEEN KNOCKED IN THE CASE BELOW THE MAGS.SDR 2015FA0000658Valve · burnedREMOVED CYLINDERS NRS 1 AND 3 DUE TO NEAR ZERO COMPRESSIONS AND AUDIBLE LEAKING INTO EXHAUST SYS. BEGAN INVESTIGATION DUE TO LOW RPM AND VIBRATION ON TAKEOFF. EXAMINATION REVEALED INTAKE VALVES, PN 655970, INSTALLED IN BOTH THE INTAKE AND EXHAUST POSITIONS OFSDR YAXA2015102901Cylinder · crackedDURING TROUBLESHOOTING FOR A SMALL OIL LEAK, THE NR 3 CYLINDER ON THE LT ENG WAS FOUND TO BE CRACKED INTO THE INTAKE PORT BETWEEN THE 14TH & 15TH CYLINDER FINS. THIS IS THE 4TH SUCH CRACKED CYLINDER WE HAVE FOUND ON THIS PAIR OF ENGS. WE HAVE NOT RECEIVED ANSDR DSFA20151026001Cylinder Head · crackedOUR ACFT DEPARTED WITH ONLY THE PILOT ON BOARD. THE ENG LOST PARTIAL POWER SO HE RETURNED. UPON INVESTIGATION CYLINDER 2 HAD NO COMPRESSION & WAS CRACKED HALF WAY AROUND THE CYLINDER HEAD. CYLINDER 4 WAS FOUND TO HAVE SOMEWHAT NORMAL COMPRESSION BUT DID INDSDR PO4R2016FA0000012Cylinder Head · separated2 SECONDS AFTER FULL POWER APPLICATION FOR TAKEOFF, A LOUD BANG WAS HEARD AND THE PILOT DETECTED SIGNIFICANT VIBRATION IMMEDIATELY. PILOT ABORTED TAKEOFF, LIMPED TO PARKING AND SHUTDOWN. VISUAL INSPECTION REVEALED NR 3 CYLINDER HEAD SEPARATION CONSISTENT WITSDR 6NAR2015FA0000566Gasket · leakingALL VALVE COVERS FOUND LEAKING. REMOVED ALL VALVE COVERS AND FOUND THE UPPER SECTION OF THE VALVE COVER GASKET NEAR THE EXHAUST VALVE HAD SHRUNK, PULLING IN TOWARD EXHAUST VALVE SPRING. WE HAVE FOUND THIS ISSUE ON NUMEROUS ENGINES WITH THE SUPERIOR VALVE COVSDR PCPR201510132Cylinder · defectiveDURING SCHEDULED INSPECTION, TECH DISCOVERED EXHAUST STUDS PULLED OUT OF NR 3 CYLINDER ASSEMBLY, CAUSING SEPARATION OF EXHAUST RISER FLANGE FROM CYLINDER EXHAUST PORT AND ESCAPE OF EXHAUST GASSES. CYLINDER ASSEMBLY REQUIRED REPLACEMENT.SDR PCPR201510131Cylinder · defectiveDURING SCHEDULED INSPECTION, TECH DISCOVERED EXHAUST STUDS PULLED OUT OF NR 2 CYLINDER ASSEMBLY CAUSING SEPARATION OF EXHAUST RISER FLANGE FROM CYLINDER EXHAUST PORT AND ESCAPE OF EXHAUST GASSES. CYLINDER ASSEMBLY REQUIRED REPLACEMENT.SDR CA151008006Exhaust Valve · failed(CAN) A FLIGHT INSTRUCTOR AND STUDENT WERE PRACTISING PRECAUTIONARY LANDINGS. AFTER INSPECTING A SUITABLE FIELD, STUDENT PROCEEDED TO OVERSHOOT. AFTER FULL POWER WAS APPLIED, THE ENGINE BEGAN TO RUN ROUGH WITH LOSS OF RPM OBSERVED. THE FLIGHT INSTRUCTOR TOSDR 2015FA0000600Lifter · spalledUNDER NORMAL OPERATIONS THE ENGINE DEVELOPED ALMOST ALL SPALLED VALVE LIFTERS AND CAM TO THE DEGREE NEEDING REPLACEMENT OF ALL LIFTERS AND THE CAM. TIME SINCE REBUILD 677 HRS. THIS IS THE 3RD ENGINE TO SUFFER THIS TYPE OF OCCURRENCE IN 3 YRS. CAUSE IS UNKNO
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