JASC 8530

Service difficulty reports · 4,342

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.

SDR 95ZZZX2378Cylinder · misinstalledTOTAL TIME 1067.8 SMOH. TIME SINCE TOP OVERHAUL 125.0. DURING MAINTENANCE TO REPAIR BURNED VALVES UPON CYLINDER REMOVAL, FOUND CYLINDERS GLUED ON AT BASE. (IT TOOK OVER AN HOUR USING AIR PRESSURE AND PULLING AND PRYING TO REMOVE ONE CYLINDER). IT SEEMS THAApr 24, 1995 · N7144Q · Cessna U206FSDR 95ZZZX2657Cylinder · rings brokenDURING 100-HOUR INSPECTION, COMPRESSION ON CYLINDERS 2 AND 4 LOW. REMOVED CYLINDERS. BROKEN AND MISSING PIECES OF RING. OIL SAMPLE SENT OUT. OVERHAUL FACILITY SAYS TAPPET DAMAGE. INSPECTED SAME AND FOUND NR 1 CYLINDER EXHAUST TAPPET WITH HEAVY DAMAGE. ENApr 21, 1995 · N3065E · Cessna 172NSDR 95ZZZX3059Cylinder · crackedANC - FLT 80 - RETURNED TO ANC DUE TO NR 3 ENGINE BACKFIRED IN CRUISE. REPLACED NR 8 CYLINDER DUE TO CRACKED HEAD.Apr 20, 1995 · N2907F · Doug DC6ASDR 95ZZZX2316Ring · defectiveAFTER 2-HOUR TEST RUN, NR 1 CYLINDER WAS STILL BURNING OIL AND HAD NOT SEATED. INSPECTION OF THE CYLINDER FOUND CHROME HAD CHIPPED OFF THE EDGE OF THE RING AT THE GAP. IT APPEARS TO BE A MANUFACTURING DEFECT.Apr 20, 1995SDR 95ZZZX2542Valve Guide · crackedDURING CYLINDER REPAIR, THE EXHAUST GUIDE WAS FOUND CRACKED IN THE LOWER PORTION.Apr 19, 1995 · N167ER · Piper PA28161SDR 95ZZZX2541Valve Guide · crackedDURING CYLINDER REPAIR, THE EXHAUST GUIDE WAS FOUND CRACKED IN THE LOWER PORTION OF THE GUIDE.Apr 19, 1995 · N164ER · Piper PA28161SDR 95ZZZX2191Cylinder · mismanufacturedNEW SUPERIOR CYLINDERS WERE INSTALLED AT ROUTINE OVERHAUL. AT FIRST OIL CHANGE, SIGNIFICANT AMOUNTS OF ALUMINUM WERE FOUND IN THE OIL FILTER. AFTER 5 MORE FLIGHT HOURS, THE FILTER WAS AGAIN INSPECTED, MORE ALUMINUM WAS FOUND. THE ENGINE WAS DISASSEMBLED ANDApr 19, 1995 · N48670 · Cessna 152SDR 95ZZZX2734Cylinder · failedPILOT DECLARED AN EMERGENCY SHORTLY AFTER TAKEOFF DUE TO ROUGH RUNNING ENGINE. FOUND NR 4 CYLINDER HAD .50 INCH DIAMETER PIECE OF ALUMINUM BURNED OUT NEAR EXHAUST VALVE SEAT. POSSIBLY CAUSED BY PRE-IGNITION OR DETONATION. APPROXIMATELY 300 HOURS PRIOR, ENGIApr 18, 1995 · N8115H · Piper PA28161SDR 95ZZZX2188Cylinder · crackedAFTER TAKEOFF, LEFT ENGINE STARTED VIBRATING. ENGINE WAS SHUT DOWN AND AIRCRAFT RETURNED TO THE AIRPORT. INSPECTION REVEALED A CRACK IN THE NR 5 CYLINDER. SINCE OVERHAULED CYLINDERS HAVE HIGH TOTAL TIME, THEY ARE MORE LIKELY TO CRACK DUE TO AGE AND STRESS. Apr 13, 1995 · N3748C · Cessna 402BSDR 95ZZZX2183Cylinder · crackedENGINE ROUGH. FOUND NR 2 CYLINDERS CRACKED WHERE HEAD AND BARREL ATTACH.Apr 12, 1995 · N38897 · Piper PA28161SDR 95ZZZX2186Cylinder · crackedCRACK FOUND DURING AN INSPECTION TO FIND AN OIL LEAK. LOCATION OF CRACK IS AT THE BOTTOM PORTION OF CYLINDER BARREL, 3.75 INCHES FROM BOTTOM OF FLANGE. THE CRACK IS APPROXIMATELY 2 INCHES LONG AND EXTENDS PARALLEL TO COOLING FINS.Apr 11, 1995 · N96082 · Cessna 152SDR 95ZZZX2720Cylinder · defectiveAT OVERHAUL, 5 CYLINDERS WERE CERAMICHROME AND 1 WAS CHANNELCHROME. AT THE 100-HOUR INSPECTION. COMPRESSION WAS HIGH 60'S ON THE CERAMICHROME, 77 ON THE CHANNELCHROME. A PRE-BUY INSPECTION WAS DONE 2 HOURS LATER AND THE COMPRESSION DROPPED 20 POUNDS ON THE CApr 7, 1995 · N300JM · Cessna 340ASDR 95ZZZX2667Valve Rotor · failedVALVE ROTOR FAILED CAUSING DAMAGE TO THE VALVE SPRING AND VALVE GUIDE.Apr 7, 1995SDR 95ZZZX2710Piston · burnedFOUND CYLINDER NR 2 TOP SIDE PISTON BURNED, POSSIBLE DETONATION. SENT FOR EVALUATION AT TCM.Apr 6, 1995SDR 95ZZZX2175Cylinder · failedLEFT ENGINE RAN SLIGHTLY ROUGH AT CRUISE ALTITUDE (5,000 FEET). NOTED OIL LEAK AT NR 6 CYLINDER POSITION. FEATHERED LT ENGINE AND RETURNED TO HONOLULU. AFTER LANDING, FOUND NR 6 CYLINDER FAILURE. (METAL PARTICLES (ALUMINUM) FOUND IN OIL SCREEN. REMOVED ENApr 6, 1995 · N99131 · Doug DC3CSDR 95ZZZX3061Cylinder · crackedFLT 690 - SHUT DOWN NR 4 ENGINE DUE TO BACKFIRING. REPLACED NR 3 CYLINDER.Apr 5, 1995 · N434TA · Doug DC6BSDR 95ZZZX1890Valve · wornONE CYLINDER WAS REMOVED FOR LOW COMPRESSION. INSPECTION REVEALED THE EXHAUST VALVE BADLY WORN IN THE VALVE KEEPER AREA. STEM DIAMETER WAS WORN FROM .336 INCH TO ,280 INCH. THE OTHER 3 CYLINDERS WERE INSPECTED AND FOUND TO HAVE WORN VALVES AS WELL. NO SIGNApr 4, 1995SDR 95ZZZX2406Cylinder · head separationCYLINDER HEAD SEPARATED FROM CYLINDER BARREL IN-FLIGHT. THE ENGINE KEPT RUNNING, PILOT REDUCED POWER AND LANDED ACFT WITH NO OTHER DAMAGE TO ENGINE OR AIRCRAFT. THE CYLINDER, HEAD, AND PISTON ARE AT SHOP FOR INSPECTION.Apr 3, 1995 · N8244J · Piper PA60601PSDR 95ZZZX1928Pushrod · bentON 4-1-95, A ZERO TIME OVERHAULED ENGINE WAS INSTALLED ON NR 1 POSITION. THE AIRCRAFT WAS TEST FLOWN FOR ENGINE INSTALLATION AND OPS CHECKED OKAY. THE AIRCRAFT WAS RELEASED FOR SERVICE. ON THE FIRST REVENUE FLIGHT TO TREASURE CAY, NR 1 ENGINE BEGAN RUNNING Apr 1, 1995 · N64PB · Cessna 402CSDR 95ZZZX1802Guide · crackedDURING CYLINDER OVERHAUL, EXHAUST VALVE GUIDE FOUND CRACKED AT THE LOWER END OF THE GUIDE. THE CRACK WAS ORIENTED IN THE SAME PLACE AS THE ROCKER ARM.Mar 30, 1995 · N167ER · Piper PA28161SDR 95ZZZX1801Guide · part missingDURING CYLINDER OVERHAUL, EXHAUST VALVE GUIDE FOUND MISSING APPROXIMATELY ONE-HALF OF THE LOWER PORTION OF THE GUIDE. THE WHOLE UPPER PORTION OF THE GUIDE THAT NORMALLY PROTRUDES INTO THE ROCKER BOX AREA WAS ALSO MISSING.Mar 30, 1995 · N130ER · Socata TB9SDR 95ZZZX1781Cylinder · mismanufacturedCYLINDER NR 6 ON A NEW PRODUCTION ENGINE HAS THE CYLINDER HEAD ORIENTED 2 DEGREES CCW RELATIVE TO THE BASE AND THE OTHER CYLINDERS. THIS PUTS THE EXHAUST FLANGE SURFACE OUT OF ALIGNMENT WITH THE OTHER CYLINDERS AND THE PUSH ROD HOUSINGS ARE ASKEWED ACCORDINGLMar 29, 1995SDR 96ZZZX4743Cylinder · separatedOPERATOR COMPLAINED OF ROUGHNESS ON TAKEOFF. AIRCRAFT RETURNED TO HANGAR WITH OIL LEAKING FROM COWLING. REMOVED TOP COWLING AND FOUND NR 6 CYLINDER SEPARATED 1 INCH TO 2 INCHES BELOW HEAD. COULD FIND NO EVIDENCE OF PRIOR DAMAGE. (NOTE: CYLINDER WAS REPAIRMar 28, 1995 · N126SR · Piper PA46350PSDR 95ZZZX1798Balance Tube · disconnectedPILOT REPORTED ROUGH ENGINE IN-FLIGHT AND WOULD NOT IDLE ON GROUND. FOUND BALANCE TUBE ASSY DISCONNECTED FROM RT SIDE AND BOTH ENDS BROKEN OFF. TACH TIME 8418.1.Mar 25, 1995 · N92680 · Cessna 182SDR 95ZZZX2260Piston · pin boss crackedUPON DISASSEMBLY OF ENGINE FOR PROP STRIKE INSPECTION AND TOP O/H, PISTONS FOUND CRACKED IN THE PIN BOSS AREA EXTENDING UP TO THE TOP INSIDE SURFACE (ONE SIDE ONLY). SUBMITTER UNSURE OF CAUSE. COULD BE MANUFACTURE DEFECT, DETONATION, MISUSE, ETC.Mar 23, 1995SDR 95ZZZX2432Pin Plug · wornPISTON PIN CAP DEVELOPED WEAR AND WORKED OUT LARGE HOLE INSIDE OF PISTON CAUSING FAILURE OF OIL RING AND LOSS OF COMPRESSION. CAP HAD WORN DOWN TO .25 INCH THICKNESS AND WORKED OUT HOLE REACHING PISTON OIL RING GROOVE.Mar 22, 1995 · N9226S · Beech C23SDR 95ZZZX2431Piston · damagedPISTON PIN CAP DEVELOPED WEAR AND WORKED OUT LARGE HOLE INSIDE OF PISTON CAUSING FAILURE OF OIL RING AND LOSS OF COMPRESSION. CAP HAD WORN DOWN TO .25 INCH THICKNESS AND WORKED OUT HOLE REACHING PISTON OIL RING GROOVE.Mar 22, 1995 · N9226S · Beech C23SDR 95ZZZX2395Push Tube · corrodedPUSH TUBE WAS SENT IN FOR REPLATING. AFTER CLEANING PUSH TUBE, CORROSION WAS FOUND IN SEAM PENTRATING THROUGH THE TUBE. PUSH TUBES SHOULD BE MADE FROM SEAMLESS TUBING.Mar 21, 1995SDR 95ZZZX1775Pin · failedFOUND PISTON PIN BROKEN DURING ROUTINE TEAR DOWN FOR OVERHAUL.Mar 21, 1995SDR 95ZZZX1465Piston · crackedPISTON CRACKED ON NR 3 CYL. TOTAL TIME SINCE O/H MAJOR, 48 HOURS. CRACK WAS FROM LOWER OIL RING GROOVE UPWARD APPROX 1.5 INCHES. CYLINDER AND ALL COMPONENTS CHECK OUT GOOD. ALL SPECS CHECK GOOD. TELEDYNE CONTINENTAL INSPECTED AND STATED THE FAILED PISTON Mar 21, 1995 · N8677U · Cessna 172FSDR 95ZZZX1739Cylinder · failedNR 13 CYLINDER THERMAL SHOCKED APPROXIMATELY 20 MILES EAST OF MKE. LEFT ENGINE ROUGH AND BACKFIRING. SHUT ENGINE DOWN, RETURNED TO MKE. REPLACED NR 13 CYLINDER POWER AND LEAK CHECK SATISFCATORY. RETURNED AIRCRAFT TO SERVICE.Mar 16, 1995 · N9382 · Doug DC3SDR 95ZZZX1708Guide · part missingDURING CYLINDER OVERHAUL, FOUND LOWER PORTION OF THE EXHAUST GUIDE WAS MISSING APPROXIMATELY ONE-HALF OF ITS MATERIAL. THE UPPER PORTION OF THE GUIDE THAT PROJECTS IN THE ROCKER BOX AREA WAS FOUND BROKEN OFF LEVEL WITH THE CYLINDER HEAD.Mar 10, 1995 · N130ER · Socata TB9SDR 95ZZZX1707Guide · crackedDURING CYLINDER PRE-OVERHAUL INSPECTION, THE EXHAUST VALVE GUIDE WAS FOUND CRACKED IN THE LOWER PORTION.Mar 10, 1995 · N144ER · Socata TB9SDR 95ZZZX1706Guide · crackedDURING CYLINDER OVERHAUL, EXHAUST VALVE GUIDE WAS FOUND CRACKED IN THE LOWER PORTION.Mar 10, 1995 · N130ER · Socata TB9SDR 95ZZZX1704Guide · crackedDURING CYLINDER OVERHAUL, THE EXHAUST VALVE GUIDE WAS FOUND CRACKED IN THE LOWER PORTION.Mar 10, 1995 · N117ER · Socata TB9SDR 95ZZZX1703Guide · crackedDURING CYLINDER OVERHAUL, THE EXHAUST VALVE GUIDE WAS FOUND CRACKED IN THE LOWER PORTION.Mar 10, 1995 · N140ER · Socata TB9SDR 95ZZZX1702Guide · crackedDURING CYLINDER OVERHAUL, THE EXHAUST VALVE GUIDE WAS FOUND CRACKED IN THE LOWER PORTION.Mar 10, 1995 · N140ER · Socata TB9SDR 95ZZZX1709Guide · crackedDURING CLYLINDER OVERHAUL, THE EXHAUST VALVE GUIDE WAS FOUND CRACKED ON THE LOWER PORTION.Mar 8, 1995 · N167ER · Piper PA28161SDR 95ZZZX1705Guide · crackedDURING CYLINDER OVERHAUL, THE EXHAUST VALVE GUIDE WAS FOUND CRACKED IN THE LOWER PORTION.Mar 8, 1995 · N137ER · Socata TB9SDR 95ZZZX2668Valve Spring · seat missingLOWER VALVE SPRING SEAT MISSING.Mar 6, 1995SDR 95ZZZX2665Valve Stem · wornFOUND 5 EXHAUST VALVE STEMS WORN ONE-FOURTH THE DIAMETER OF THE VALVE STEM. THESE WERE FOUND ON AN ENGINE TEAR DOWN FOR PROPELLER STRIKE. THESE VALVES WOULD EVENTUALLY HAVE CAUSED ENGINE FAILURE.Mar 6, 1995SDR 97ZZZX8Piston Pin · brokenENGINE FAILED IN CRUISE FLIGHT DUE TO BROKEN PISTON PIN IN NR 3 CYLINDER. ENGINE DESTROYED, CASES BROKEN, RODS BENT, PISTONS CRACKED. AIRCRAFT SUCCESSFULLY LANDED ON COUNTRY ROAD NEAR AIRPORT. SUPERIOR AIR PARTS WARRANTED ENGINE.Mar 3, 1995 · N4773E · Cessna 172NSDR 95ZZZX2714Valve Guide · failedENGINE MAJOR OVERHAULED WITH CYLINDERS SUPPLIED BY AERO AVIATION. CYLINDERS WENT 100 HOURS AND VALVE GUIDES FAILED DUE TO IMPROPER INSTALLATION. THEY WERE INSTALLED SO LOOSE THAT FIRE WAS EATING AWAY AT THE OUTSIDE OF THE GUIDE WHERE IT IS SUPPOSED TO BE A PMar 3, 1995 · N714AJ · Cessna 150MSDR 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 172MSDR 95ZZZX1423Valve Spring · wrong partCUSTOMER REPORTED ENGINE 'BACKFIRING' INTERMITTENTLY AT HIGH IDLE. VALVE TRAIN PROBLEMS SUSPECTED & COLD CYLINDER TESTER DISCLOSED NR 3 CYL SLIGHTLY COOL (COMPRESSION WAS EXCELLENT). CLOSER INSP DISCLOSED INCORRECT SPRINGS PN 65427 INSTALLED INSTEAD OF LW-11Mar 3, 1995 · N3975K · Piper PA28140SDR 95ZZZX1363Push Rod · brokenFOUND 1 BROKEN AND 3 OTHERS CRACKED. ALL DAMAGE ON END OF THE TUBE NEAR INSERT OPPOSITE END OF TUBE WHERE PART NUMBER IS LOCATED. AD95-03-10 PERTAINS TO ASSEMBLY NR 73806 AND 'V' OR 'W' REVISION. PART TT UNKNOWN.Feb 28, 1995 · N6145K · Cessna 152SDR 95ZZZX2130Cylinder · ring brokePILOT REPORTED POWER LOST. FOUND NR 1 CYLINDER HAD A BROKEN COMPRESSION RING. REPLACED WITH AN OVERHAULED CYLINDER, NEW RINGS AND PISTON. RAN-UP OKAY.Feb 25, 1995 · N99441 · Cessna 172PSDR 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 172MSDR 96ZZZX5221Valve · brokenDURING FLIGHT, PILOT EXPERIENCED A LOSS OF POWER AND SEVERE VIBRATION FROM ENGINE. PILOT MADE AN EMERGENCY LANDING WITHOUT DAMAGE TO AIRCRAFT. FOUND NR 4 CYLINDER, PISTON AND SPARK PLUGS SEVERELY DAMAGED. REMOVED AND REPAIRED NR 4 CYLINDER AND PISTON. AIRCFeb 23, 1995 · N43125 · Piper PA28151SDR 95ZZZX1535Cylinder · failedFLT 60 - SHUT DOWN NR 3 ENGINE DUE TO BACKFIRING AT 1930Z. REPLACED NR 16 CYLINDER.Feb 23, 1995 · N1027N · Doug DC6A
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