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 CA070503003Connecting Rod · broken(CAN) IT WAS REPORTED TO MAINTENANCE THAT THE RT ENGINE HAD EXPERIENCED SOME TROUBLE. THE ENGINE WAS SHUTDOWN (DURING FLIGHT) AND PROP WAS FEATHERED. THE AIRCRAFT COMPLETED THE FLIGHT TO THE NEAREST AIRPORT AND LANDED WITHOUT INCIDENT. THE PRELIMINARY INSPECSDR CA070515004Retainer · broken(CAN) DURING 25 HOUR INSPECTION, FOUND (NR 2), (A) CYLINDERS IB LOWER BAFFLE RETAINER HEAD BROKEN AND ITS SPRING MISSING, THUS AFT BAFFLE IN CONTACT WITH NR 2 CYLINDER OIL RETURN LINE CAUSED DEEP WEAR ON OIL LINE. NO LEAK FOUND AT THAT TIME. RETAINER, SPRING ASDR 5072007Cylinder · brokenTHE HOLD DOWN STUDS ON NR 2 CYLINDER BROKE CAUSING ON OIL LEAK TO LOSS OIL PRESSURE.SDR CA070503008Valve Stem · bent(CAN) AIRCRAFT WAS FLYING DURING A SEISMIC JOB. ENGINE LOST POWER AND ENGINE WAS RUNNING ROUGH. EMERGENCY LANDING TOOK PLACE. MAINTENANCE INVESTIGATED AND FOUND NR 1 CYLINDER DEFECTIVE. UPON FURTHER INVESTIGATION INTAKE VALVE STUCK OPEN AND CONTACTED PISTOSDR CA070426003Rocker Cover · separated(CAN) SHORTLY AFTER TAKEOFF, THE PILOTS EXPERIENCED A POWER LOSS IN THE LT ENGINE, HOWEVER THE ENGINE REMAINED RUNNING. THEY RETURNED TO THE NEARBY AIRPORT WITHOUT INCIDENT. MAINTENANCE INSPECTED THE ENGINE AND FOUND THAT NR 6 CYLINDER ROCKER COVER HAD BEENSDR CA070423002Cylinder · cracked(CAN) CRACK FOUND IN CYLINDER. (TC NR 20070423002)SDR CA070510004Cylinder · broken(CAN) WHEN DOING 100 HRS INSP, FOUND DAMAGE ON COVER VALVE ROCKER CYLINDER NR 4, COVER (PN : 631834) REMOVED AND FOUND RETAINER ROCKER SHAFT (PN: 646032) BROKEN. NEW CYLINDER WAS INSTALLED IN POSITION NR 4. ALSO FOUND CYLINDER NR 2 WITH LOW COMPRESSION (50 PSISDR 2007FA0000389Cylinder · crackedCRACK FROM EXH STUD AROUND CYLINDER TO UPPER SPARK PLUG. (K)SDR CA070423005Cylinder · cracked(CAN) OIL WAS NOTICED LEAKING FROM THE PUSHROD AREA. THE PUSHROD WAS REMOVED TO REPLACE THE SEALS. THE CRACK IN THE CYLINDER HEAD WAS FOUND THEN. THE CRACK RAN FROM THE BOTTOM OF THE CYLINDER HEAD SEAM TO ABOUT 4-5 INCHES ALONG THE HOLLOW WHERE THE PUSHROD SDR CA070420001Cylinder · cracked(CAN) REPLACED NR 14 CYLINDER ON NR 4 ENGINE, DUE TO CRACK. AIRCRAFT RETURNED TO SERVICE. (TC NR 20070420001)SDR 2007FA0000356Cylinder Head · separatedPERFORMED CYLINDER COMPRESSION TEST AND FOUND NR 1 CYLINDER READING 0 PSI AND FOUND LEAKING AROUND CYLINDER HEAD AND BARREL FINS. UPON REMOVAL THE HEAD IS COCKED SIDEWAYS ON THE BARREL. THE HEAD WAS SEPARATING FROM BARREL. THE CYLINDER PN FRCN68. OACA/01 CSDR DUFA20070002Stud · shearedWHILE ON APPROACH TO AIRPORT, THE PILOT NOTICED MANIFOLD PRESSURE DROPPING AS WELL AS OIL PRESSURE FROM THE RIGHT ENGINE. HE ALSO BEGAN TO FEEL A VIBRATION FROM THE SAME ENGINE. HE ELECTED TO SHUT THE ENGINE DOWN AND MADE AN UNEVENTFUL LANDING. UPON INSPECTIONSDR DUFA041007001Stud · shearedWHILE ON APPROACH TO AIRPORT, THE PILOT NOTICED MANIFOLD PRESSURE DROPPING AS WELL AS OIL PRESSURE FROM THE RT ENGINE. HE ALSO BEGAN TO FEEL A VIBRATION FROM THE SAME ENGINE. HE ELECTED TO SHUT THE ENGINE DOWN AND MADE AN UNEVENTFUL LANDING. UPON INSPECTION, TSDR 2007FA0000436Cylinder · crackedPARTIAL HEAD AND BARREL SEPARATION. LARGE CRACK STARTING AT THE FUEL INJECTOR PORT RUNNING INTO THE CYLINDER HEAD COMBUSTION CHAMBER, THROUGH THE INTAKE SEAT BOSS AND CONTINUING AROUND TO THE LOWER SPARK PLUG BOSS.SDR 2007FA0000333Rocker · brokenTHE STAMPED EXHAUST STEEL ROCKER ARM WAS FOUND BROKEN THROUGH AT PUSH ROD, AND THE INTAKE ROCKER ARM WAS CRACKED, AND THE PUSH ROD WAS BENT BADLY. THE ENGINE HAD 120 HR TSO AND NEW FACTORY CYLIDERS WERE INSTALLED. (K)SDR NACA20070013Cylinder Head · crackedNR 2 ENGINE FIRE ON TAXI. ENGINE SHUT DOWN LT BANK CO2 BOTTLES DISCHARGED. CREW ALSO DISCHARGED MAIN CABIN ABC, COCKPIT AND CABIN HALON BOTTLES TO EXTINGUISH FIRE. NR 2 ENGINE REPLACED AND SENT TO SHOP FOR INSPECTION: FIRE RESULTED FROM THE NR 9 CYLINDER CRSDR 2007FA0000451Cylinder · scratchedSET OF 6 CYLINDERS CAME IN WITH 2 BROKEN CONTROL RINGS. CYLINDERS HAD RING STEPS ON TOP AND BOTTOM OF CYLINDER BARRELS. CORROSION WAS PRESENT IN BARRELS FROM THE MIDDLE UP TO THE HEAD OF THE CYLINDERS. EXHAUST GUIDES WERE FAR OUT OF LIMITS AND DIFFICULT TO REMSDR 2007FA0000450Cylinder · scratchedSET OF 6 CYLINDERS CAME IN WITH 2 BROKEN CONTROL RINGS. CYLINDERS HAD RING STEPS ON TOP AND BOTTOM OF CYLINDER BARRELS. CORROSION WAS PRESENT IN BARRELS FROM THE MIDDLE UP TO THE HEAD OF THE CYLINDERS. EXHAUST GUIDES WERE FAR OUT OF LIMITS AND DIFFICULT TO REMSDR NACA20070012Cylinder · separatedNR 1 ENGINE BACKFIRING. ENGINE SHUT DOWN. REPLACED NR 1 ENGINE NR 8 CYLINDER DUE TO SEPERATED FINS FROM CYLINDER LINER. REF: DC-6MM SECT V PG 16 AND 16A. LEAK AND OPS CHECKED GOOD.SDR CA080304008Intake Valve · failed(CAN) WHILE IN CRUISE, THE PILOT HEARD A BANG AND EXPERIENCED A LOSS IN POWER ON THE LT ENGINE. AS THE ENGINE REMAINED RUNNING AND THERE WAS NO IMMEDIATE CONCERN FOR SAFETY THE PILOT CHOSE TO LEAVE THE ENGINE RUNNING AND SET DOWN AT THE NEAREST AIRPORT. UPON ESDR CA070418006Cylinder Head · cracked(CAN) ON 100 HR INSPECTION DURING A DIFFERENTIAL CHECK CYLINDER WAS READING LOW. USING A SOAP SOLUTION IT WAS DETERMINED THAT THERE WAS A LEAK ACROSS THE HEAD DUE TO A CRACK BETWEEN THE COOLING FINS. (TC NR 20070418006)SDR CA070319006Tappet · spalled(CAN) ENGINE MODIFIED IAW FIREWALL FORWARD CENTRILUBE STC. PREVIOUS EXPERIENCE WITH THIS ENGINE SERIES PROMPTS REGULAR TAPPET INSPECTIONS. TAPPETS INSPECTED AND SPALLING WAS FOUND, EVEN ON THIS STC`D ENGINE. TAPPETS SENT TO FIREWALL FORWARD FOR EXAMINATION, ASDR CA070329006Cylinder · detached(CAN) ENGINE VIBRATION AND POWER LOSS IN FLIGHT, ENGINE CAME TO TOTAL STOP ON TAXIWAY. CYLINDER NR 4 FOUND DETACHED. ENGINE (2587.4 HOURS). ENGINE REMOVED FOR OVERHAULED. (TC NR 20070329006)SDR CA070313001Lifter · unlocked(CAN) DURING THE REAMING OF A STICKY EXHAUST VALVE GUIDE IN CYLINDER NR 4, IT WAS FOUND THAT THE NR 4 CYLINDER INTAKE HYDRAULIC LIFTER HAD LOST ITS SNAP RING. THE WEAR PATTERN SHOWED THAT THE SNAP RING HAD MIGRATED ALONG BETWEEN THE PUSHROD AND THE SHROUD TUBSDR CA070301001Intake Valve · cracked(CAN) INVESTIGATING LOW COMPRESSION REVEALED SMALL CHUNK (ONE QUARTER INCH SQUARE) OF INTAKE VALVE MISSING ON EDGE, AND A CRACK IN ANOTHER AREA. (TC NR 20070301001)SDR 2007FA0000257Rocker Shaft · brokenTHE NR 3 CYLINDER ROCKER ARM SHAFT FAILED (BROKE) AT THE CENTER SUPPORT POSITION. ADDITIONALLY, (2) OF THE (3) ROCKER ARM BOSS SECURING BOLTS FAILED AND THE THIRD BOLT PULL OUT OF THE HEAD.SDR 2007FA0000210Rocker · incorrectPILOT REPORTED LOSS OF POWER (600 RPM DROP) SIGNIFICANT ENGINE ROUGHNESS DURING CLIMB. ENGINE RECOVERED SHORTLY AFTERWARDS. PILOT ELECTED TO CONTINUE AND HAD SAME PROBLEM AGAIN DURING CRUISE FLIGHT. ENGINE RECOVERED ON ITS OWN ONCE AGAIN. PILOT SAID CARB HEAT SDR 2007FA0000158Cylinder · crackedCYLINDER HEAD CRACKED AT UPPER SPARK PLUG HOLE THRU BEND TO EXHAUST SEAT. (K)SDR 2007FA0000157Cylinder · crackedCRACKED CYLINDER BETWEEN 2ND AND 3RD FIN IB OF UPPER SPARK PLUG ORIENTED DOWN SIDE OF CYL HEAD. LARGE NEAR SEPARATION. (K)SDR 2007FA0000156Cylinder · crackedCRACKED CYLINDER LEAD BETWEEN 4TH AND 5TH FIN IB AT UPPER SPARK PLUG. CRACK NOT VISIBLE INSIDE CYLINDER. (K)SDR 2007FA0000155Cylinder · crackedCRACKED CYLINDER HEAD BETWEEN 4TH AND 5TH FIN IB OF TOP SPARK PLUG. CRACKS HEADED TOWARD VALVE SEAT. (K)SDR NACA20070005Cylinder · burnedNR 4 ENGINE SHUT DOWN DUE TO NR 18 CYLINDER FAILURE. REMOVED AND REPLACED NR 18 CYLINDER DUE TO BURN THROUGH ON SIDE OF CYLINDER, REF: DC-6MM SECT V PG 16 AND 16A, CHECKED GOOD.SDR M1144Exhaust Valve · brokenPILOT REPORTED THAT RT ENGINE WAS RUNNING ROUGH IN FLIGHT. HE DID NOT SHUTDOWN ENGINE. FOUND NO COMPRESSION IN NR 5 CYLINDER ON RT ENGINE. REMOVED CYLINDER AND FOUND EXHAUST VALVE WAS BROKEN. INSTALLED OVERHAULED CYLINDER ASSEMBLY.SDR NACA20070004Cylinder · crackedNR 1 ENGINE WOULD NOT TAKE A LEAN IN CRUISE FLIGHT. PERFORMED PRECAUTIONARY SHUTDOWN. REMOVED AND REPLACED NR 16 CYLINDER DUE TO CRACKED HEAD, REF: NAC DC-6MM SEC V, PG 16. RUN UP CHECKED GOOD, NO LEAKS.SDR CA070214004Exhaust Valve · broken(CAN) DURING TAKEOFF, AN ENGINE VIBRATION WAS FELT. A PRIORITY LANDING WAS REQUESTED. CYLINDER EXHAUST VALVE NR 3 FOUND BROKEN AT THE VALVE HEAD. CYLINDER SA10200, S/N AM1376 INSTALLED. OTHER VALVES INSPECTED AND REPLACED VALVES SA10204 ON CYLINDER NR 4 AND NRSDR NACA20070003Valve · failedNR 1 ENGINE BACKFIRED AND WOULD NOT HOLD A LEAN. ANALYZER PATTERN FOR NR 8 CYLINDER FRONT AND REAR ABNORMAL, SHOWS LOW COMPRESSION. ENGINE SHUT DOWN. NR 8 CYLINDER FRONT AND REAR HAD LOW COMPRESSION DUE TO VALVE FAILURE. FURTHER INSPECTION RESULTED IN THE SDR IKJ2007F00000Cylinder · crackedCYLINDER DEVELOPED CRACK FROM INTAKE SEAT AROUND THE OUTER PORTION OF CYLINDER TO SPARK PLUG HOLE. CRACK FOLLOWED THE PATH OF 1 OR 2 FINS AND WENT JUST AFT (CASE SIDE) OF FUEL INJECTOR PORT. THE CRACK WAS ALLOWING NOTICABLE FUEL LEAK/STAIN NEAR INJECTOR PORTSDR CA070122009Cylinder · failed(CAN) NR 4 CYILINDER FAILED, BURNING VARIOUS ENGINE COMPARTMENT WIRING AND DUCTING. (TC NR 20070122009)SDR CA070115007Cylinder · separated(CAN) ON THE CLIMB OUT A LOSS OF POWER OCCURED ON THE RT ENGINE. THE MANIFOLD PRESSURE DROPPED FROM TAKEOFF POWER TO 30 INCHES. (TC NR 20070115007)SDR NACA20070002Cylinder · crackedNR 2 ENGINE SHUT DOWN DUE TO LOW COMPRESSION INDICATION ON NR 4 CYLINDER. REPLACED NR 4 CYLINDER DUE TO A CRACKED HEAD PER NAC DC-6MM SECT V PG 16 AND 16A. OP AND LEAK CHECKED GOOD.SDR CA070114001Exhaust Valve · leaking(CAN) DURING ENGINE PERFORMANCE GROUND RUN AFTER INSPECTION, ENGINE WAS RUNNING ROUGH. ENGINE COMPRESSION CHECK CARRIED OUT AND CYLINDER NR 3 FAILED COMPRESSION CHECK AND AIR WAS LEAKING FROM THE EXHAUST. ROUGH RUNNING DURING TAKEOFF WAS ALSO REPORTED BY PILOSDR CA070109006Piston Ring · separated(CAN) MATERIAL FROM THE FACE OF THE TOP COMPRESSION RING HAD FLAKED AWAY ON PISTONS NR1, NR2, NR4, AND NR6 (TC NR 20070109006).SDR 2007FA0000122Nut · looseTHE NR 3 CYLINDER EXHAUST ROCKER ARM RETAINING NUT BECAME LOOSE, REDUCING LIFT ON THE EXHAUST VALVE, NOT ALLOWING SUFFICIENT AIR TO EXIT THE CYLINDER. PRESSURE IN THE CYLINDER EXCEDED THE STRENGTH OF THE INTAKE VALVE SYSTEM TO OPEN, CAUSING THE INTAKE PUSHRODSDR 2006FA0001235Valve Guide · stuckPERFORMED COMPRESSION CHECK ON ENGINE AND HAD 5/80 PSI ON NR 6 CYL, STAKED EXHAUST VALVE AND GOT 78/80. PERFORMED SB 388C AND HAD TO REAM VALVE GUIDES TO GET WITH-IN LIMITS OF SB. IT WAS ONLY 200 HRS SINCE LAST SB COMPLIANCE.SDR XGN2007F00010Cylinder · crackedCRACKED CYLINDER HEAD. (K)SDR XGN2007F00001Cylinder Head · crackedCRACKED CYLINDER HEAD. (K)SDR XGN2007F00000Cylinder Head · crackedCRACKED CYLINDER HEAD. (K)SDR FFKA113Cylinder · crackedPILOT REPORTED THAT AFTER AN HOUR AN HALF IN CRUISE FLIGHT THAT THE LEFT ENGINE EGT HAD FALLEN BELOW AN OPTIMUM LEVEL FOR CRUISE FLIGHT. TRIED TO ADJUST THE LEFT ENGINE FUEL FLOW WHICH GAVE NO SIGNIFICANT CHANGES FOR OPTIMUM FUEL ECONOMY. THE PILOT ALSO NOTESDR CA061218008Sleeve · damaged(CAN) DURING INSPECTION OIL WAS NOTED ON THE BOTTOM COWL OF ENGINE. UPON CLOSER INSPECTION, NR 4 CYLINDER WAS FOUND TO BE WET AT THE CYLINDER TO HEAD FLANGE. AFTER CLEANING, OIL WAS SEEN TO BE SEEPING FROM FLANGE AREA. THERE WAS NO VISIBLE CRACK SO DYE PENETRSDR 2006FA0001192Cylinder · crackedCOMPLIANCE WITH ENGINE COMPONENTS, INC. MANDATORY SB06-2 DISCLOSED CRACKED CYLINDER IN RT ENGINE WITH OBVIOUS LEAKAGE.
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