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.

SDR 2020FA0000149Nut · failedWHEN INSTALLING CYLINDER HEAD BASE NUTS FROM CMI PART 652421 ONTHE IO-360-DB THE TECHNICIAN NOTICED THAT HE WAS UNABLE TO ACHIEVE THE SPECIFIED TORQUE ON 37#, RANGE 36 TO 37#. NUTS KEPT TURNING ON STUDS. ENTIRE LOT FAILED TO ACHIEVE TORQUE. UPON TEST REPLACNov 19, 2018SDR 3SVA20181116001Cylinder Head · crackedPILOT REPORTED ROUGH RUNNING ENGINE AFTER START UP. INVESTIGATION BY MAINTENANCE DETERMINED THAT THE #3 CYLINDER EXHAUST VALVE SEAT/VALVE HAD DROPPED OUT OF CYLINDER HEAD. LYCOMING FACTORY OVERHAULED ENGINE WITH 637.5 TSOH, 1646.2 TTSN.Nov 14, 2018 · N4087G · Piper PA31350SDR 2020FA0000072Cylinder Head · crackedAPPROXIMATE 1.5 INCH RADIAL CRACK IN CYLINDER HEAD ADJACENT TO AND OUTSIDE OF THE INTAKE VALVE. EXTERNAL EVIDENCE OF EXHAUST GASSES ESCAPING FROM CRACK WAS PRESENT AND COMPRESSION TEST PRODUCED FREE FLOW OF SHOP AIR FROM CYLINDER HEAD BETWEEN THE 9TH AND 10THNov 13, 2018 · N63SA · Cessna 172MSDR MI22018F00000Intake Valve · brokenPILOT SAYS HE WAS CLIMBING THROUGH 17000` WHEN THE RT ENG LOST POWER AND WAS RUNNING ROUGH. THE PILOT DESCENDED AND LANDED WITH THE LT ENG. REMOVED COWLING AND CHECKED COMPRESSION AND FOUND NR 2 CYLINDER NO COMPRESSION. REMOVED NR 2 CYLINDER RBC AND FOUND IOct 25, 2018 · N586HP · Beech B60SDR HYIA20181023003Cylinder · damagedPILOT REPORTED THE LEFT ENGINE BEGAN TO VIBRATE, THEN OIL PRESSURE BEGAN TO DROP AND CONTINUED DROPPING INTO THE RED. INITIAL INSPECTION FOUND MULTIPLE POINTS OF ENGINE CASE PENETRATION. THE NUMBER 6 CYLINDER SHOWED SIGNS OF DETONATION WITH DEBRIS IN THE LOWEROct 22, 2018 · N677CA · Cessna 402CSDR 2022FA0000441Intake Valve · burnedPARTIAL POWER LOSS IN CRUISE RESULTING IN STRONG YAW TO THE LEFT. PRECAUTIONARY LANDING. ON RETURN FLIGHT 2 MORE STRONG YAWS TO THE LEFT OCCURRED IN THE HOVER. INSPECTION REVEALED BURNED INTAKE VALVES. HELICOPTER WAS PARKED.Oct 10, 2018 · N41LY · Robsin R44SDR FQAR20181010051Cylinder Head · crackedDURING A SCHEDULED INSPECTION, EXCESS OIL WAS OBSERVED ON THE COOLING FINS ABOVE THE EXHAUST FLANGE, ATTEMPTED TO FIND SOURCE OF OIL BUT NO SOURCE WAS VISIBLE, ROCKER COVER WAS REMOVED AS WELL AS THE EXHAUST ROCKER ARM AND PUSH ROD AND TUBE, A DYE CHECK WAS DOOct 9, 2018 · N924PA · Piper PA28181SDR EVGR201810232Intake Valve · burnedSUPPLEMENTAL INFORMATION (PLEASE REPLACE THE TEXT FROM THE PREVIOUSLY SUBMITTED REPORT WITH THE FOLLOWING CORRECTED TEXT): THE AIRCRAFT OPERATOR COMPLAINED OF AN INTERMITTENT POWER LOSS. TROUBLESHOOTING LED TO THE POSSIBILITY OF A STUCK INTAKE OR EXHAUST VALVEOct 8, 2018 · N41LY · Robsin R44SDR ECPR201809210003Cylinder · leakingDURING INSPECTION, DIFFERENTIAL COMPRESSION CHECK FOUND NUMBER FOUR CYLINDER BELOW TOLERANCE. FURTHER EXAMINATION FOUND LEAKAGE AT THE EXHAUST VALVE. CYLINDER HAD 201 HOURS TIME IN SERVICE. CYLINDER WAS REPLACED.Sep 20, 2018 · N371DC · Piper PA28161SDR 2018FA0000512Cylinder · crackedCRACK FOUND IN NR 3 CYLINDER ON OCT 11 @ 1242.7 HOUR. NR 1 CYLINDER ON NOV 27 @1291.4 HOUR. NR 4 CYLINDER ON JAN 31 @ 1342.6 HOUR. NR 2 CYLINDER ON SEPT 17 @ 1638.9 HOUR. Sep 19, 2018 · N27AU · Piper PA28181SDR 2018FA000000512Cylinder · crackedCRACK FOUND IN NR 3 CYLINDER ON OCT 11 @ 1242.7 HOUR. NR 1 CYLINDER ON NOV 27 @1291.4 HOUR. NR 4 CYLINDER ON JAN 31 @ 1342.6 HOUR. NR 2 CYLINDER ON SEPT 17 @ 1638.9 HOUR. Sep 19, 2018 · N27AU · Piper PA28181SDR 2018FA0000469Cylinder Head · crackedCRACK FOUND IN HEAD OF NUMBER 3 CYLINDER.Sep 19, 2018 · N28AU · Piper PA28181SDR J4YR201809172063Cylinder · crackedDURING ROUTINE INSPECTIONS IT WAS NOTED THAT THE LT ENGINE APPEARED TO HAVE A FUEL LEAK ON NR 1 CYLINDER. UPON CLOSER VISUAL AND DYE PENETRANT INSPECTIONS IT WAS DISCOVERED THAT A CRACK EXISTED ACROSS THE APPROXIMATELY 1/8 INCH RIB THAT PARALLELS THE INTAKE VASep 14, 2018 · N443MC · Piper PA31350SDR ECPR201809110002Cylinder · unserviceableDURING INSPECTION, DIFFERENTIAL COMPRESSION CHECK FOUND NUMBER THREE CYLINDER BELOW TOLERANCE. FURTHER EXAMINATION FOUND LEAKAGE AT THE EXHAUST VALVE. CYLINDER WAS REPLACED.Sep 11, 2018 · N4443Q · Piper PA28161SDR ECPR201809110001Cylinder · unserviceableDURING INSPECTION, DIFFERENTIAL COMPRESSION CHECK FOUND NUMBER ONE CYLINDER BELOW SPECIFICATION. SUBSEQUENT EXAMINATION FOUND LEAKAGE AT THE EXHAUST VALVE. CYLINDER WAS REPLACED.Sep 11, 2018 · N4443Q · Piper PA28161SDR CA180907014Camshaft · mismanufactured(CAN) HYDRAULIC BODY HAS A STEP UNDER THE TAPPET FACE THAT WAS NOT MACHINED PROPERLY. THIS CAUSES THE CAMSHAFT TO BIND AGAINST THE TAPPET FACE AT INSTALLATION DUE TO THE REDUCED CLEARANCE. THESE TAPPETS SL72877 WERE FOUND IN CAM KITS SL19340 DATED 04/23/2018Sep 6, 2018SDR CCJA20180905012Cylinder Head · crackedFOUND #2 (S/N: 65537-01), #3 (S/N: 65656-01), #5 (S/N: 65537-08) AND #6 (S/N: 65622-07) CYLINDERS CRACKED AT CYLINDER HEAD ON RIGHT ENGINE DURING 100 HOUR INSPECTION.Sep 5, 2018 · N414WJ · Cessna 414ASDR CCJA20180905004Cylinder Head · crackedFOUND #1 (S/N: 65688-04), #3 (S/N: 65976-01), #4 (S/N: 65937-18), #5 (S/N: 66237-24) AND #6 (S/N: 65025-20) CYLINDERS CRACKED AT CYLINDER HEAD ON LEFT ENGINE DURING 100 HOUR INSPECTION.Sep 5, 2018 · N414WJ · Cessna 414ASDR ERHA2019F00038Cylinder Head · separatedTHE CYLINDER HEAD SEPARATED FROM THE BARREL ON CYLINDER NR 9.Sep 1, 2018 · N68083 · Dhav DHC2MK1SDR N3XR201808170305Cylinder Head · warpedCOOLANT FLUID WAS SEEN AFTER FLIGHT, BY THE CREW. TROUBLESHOOTING AND TEST INDICATED A CYLINDER HEAD LEAK OF SOME KIND. THE HEAD WAS REPLACED WITH A NEW PART AND SUBSEQUENT GROUND TESTS AND FUNCTIONAL CHECK FLIGHT RESULTED IN NO MORE FLUID LOSS.Aug 14, 2018 · N305ER · Diamon DA42NGSDR ECPR2018081480057Cylinder · out of toleranceNUMBER ONE CYLINDER FAILED DIFFERENTIAL COMPRESSION CHECK DURING ROUTINE INSPECTION. FOUND EXCESSIVE LEAKAGE AT EXHAUST VALVE. EXHAUST VALVE SHOWED DISCOLORATION, POSSIBLY FROM OVERHEATING.Aug 13, 2018 · N44426 · Piper PA28161SDR 2018FA0000337Cylinder Head · bypassingPILOT REPORTED NO START CONDITION AFTER 2 HOUR FLIGHT. COMPRESSION CHECK COMPLETED AND FOUND CYLINDER NR 1, 72, ALL OTHER CYLINDERS BELOW 16 PSI, WITH CYLINDERS 4 & 5 AT 0. BORESCOPE FOUND EXHAUST VALVES STUCK OPEN ON CYLINDERS 4 & 5. ALL OTHER PERIMETERS NORAug 9, 2018 · N92VB · Cessna T182TSDR ECPR2018081079993Cylinder Head · crackedENGINE NR ONE CYLINDER COMPRESSION WAS FOUND BELOW SPECIFICATION. SUBSEQUENT INSPECTION FOUND A CRACK IN THE CYLINDER HEAD. THE CRACK WAS LOCATED OUTBOARD OF THE INTAKE VALVE SEAT. THE CRACK WAS APPROXIMATELY TWO INCHES LONG AND FOLLOWED THE CURVE OF THE VAAug 8, 2018 · N903FC · Piper PA28161SDR HYIA20180803001Cylinder · damagedPILOT REPORTED THE LEFT ENGINE STARTED TO RUN ROUGH DURING FLIGHT AND THE OIL PRESSURE SLOWLY DROPPED. AFTER LANDING, THE CREW REPORTED OIL DRIPPING OFF THE COWL. MAINTENANCE INSPECTED AND FOUND METAL CONTAMINATION IN ENGINE OIL SYSTEM AND THE NR 5 CYLINDER Jul 31, 2018 · N68391 · Cessna 402CSDR 2018FA0000317Cylinder Head · separatedNR 1 CYLINDER SHOWING SIGNS OF HEAD SEPARATION FROM BARREL AT TT 47.6.Jul 31, 2018 · N704UT · Cessna 150MSDR 2018FA0000316Cylinder Head · separatedNR 2 CYLINDER SHOWING SIGNS OF HEAD SEPARATION FROM BARREL AT TT 16.5.Jul 31, 2018 · N704UT · Cessna 150MSDR 2018FA0000314Cylinder · separatedCYLINDER NUMBER 3 SHOWING SIGNS OF HEAD SEPARATION FROM BARREL AT TT 115.3. PREVIOUSLY CYLINDERS NUMBER 1 AND NUMBER 2 WERE REMOVED FOR SAME REASON AT TT OF 47.6 AND 16.5 RESPECTIVELY. Jul 31, 2018 · N704UT · Cessna 150MSDR 2018FA0000210Cylinder · bypassingAFTER ENGINE START, BEGAN RUNNING EXTREMELY ROUGH. COULD NOT CLEAR AS REPORTED BY PILOT. MAINTENANCE FOUND NR 2 CYLINDER EXHAUST VALVE STUCK OPEN. NOTE OIL BRAND IN USE X/C 20W50 MULTI VISCOSITY.Jul 5, 2018 · N963LTSDR 2018FA0000201Cylinder · failedDURING A 100 HOUR INSPECTION, DISCOVERED THAT CYLINDERS NR 1 AND 3 HAD COMPRESSIONS IN THE 20PSI RANGE. ATTEMPTS TO CORRECT THIS WERE NOT SUCCESSFUL. CYLINDERS NR 1 AND 3 WERE REPLACED.Jun 29, 2018 · N26794 · Amrgen AA5ASDR 2018FA0000197Cylinder · damagedDISCOVERED THAT THE CYLINDERS 3 AND 4 WERE PRODUCING COMPRESSIONS BETWEEN 20 - 25 PSI. NEW CYLINDERS AND PARTS WERE INSTALLED AND BREAK IN PROCEDURES WERE FOLLOWED. DURING 100 HOUR INSPECTION ALL FOUR CYLINDERS FAILED A COMPRESSION CHECK WITH RATINGS IN THEJun 28, 2018 · N858S · Amrgen AA5ASDR 2018FA0000417Cylinder Head · bypassingENGINE EXTREMELY HARD TO START AND KEEP RUNNING SMOOTHLY. FLEW TO KPNE WITHOUT INCIDENT. ENGINE PERFORMED WITHIN PARAMETERS. DELIVERED AIRPLANE TO MAINTENANCE AND STARTING PROBLEM DIAGNOSIS. MECHANIC DETERMINED 5 OUT OF THE 6 CYLINDERS HAD VERY LOW COMPRESSIONJun 25, 2018 · N92VB · Cessna T182TSDR 2018FA0000416Cylinder Head · bypassingENGINE EXTREMELY HARD TO START AND KEEP RUNNING SMOOTHLY. FLEW TO KPNE WITHOUT INCIDENT. ENGINE PERFORMED WITHIN PARAMETERS. DELIVERED AIRPLANE TO MAINTENANCE AND STARTING PROBLEM DIAGNOSIS. MECHANIC DETERMINED 5 OUT OF THE 6 CYLINDERS HAD VERY LOW COMPRESSIONJun 25, 2018 · N92VB · Cessna T182TSDR 2018FA0000415Cylinder Head · bypassingENGINE EXTREMELY HARD TO START AND KEEP RUNNING SMOOTHLY. FLEW TO KPNE WITHOUT INCIDENT. ENGINE PERFORMED WITHIN PARAMETERS. DELIVERED AIRPLANE TO MAINTENANCE AND STARTING PROBLEM DIAGNOSIS. MECHANIC DETERMINED 5 OUT OF THE 6 CYLINDERS HAD VERY LOW COMPRESSIONJun 25, 2018 · N92VB · Cessna T182TSDR 2018FA0000196Cylinder Head · damagedAPPROXIMATELY 8 HOURS AFTER THE NR 5 CYLINDER WAS REPLACED WITH A NEW FACTORY CYLINDER KIT, THE PILOT NOTIFIED US THAT THE NR 5 CYLINDER WOULD NOT "WARM UP" AND THE ENGINE WAS RUNNING ROUGH. EXAMINED THE ENGINE DATA AND CONFIRMED THAT THE NR 5 WAS NOT GETTINGJun 25, 2018 · N405JA · Lancar LC41550FGSDR W1XA201806200001Gasket · collapsedAFTER TAKE OFF AND IN CLIMB OUT, THE TOWER REPORTED SMOKE TRAILING THE LEFT ENGINE. RETURNED TO DEPARTURE WITHOUT INCIDENT. REMOVED COWL AND FOUND OIL DRIPPING FROM THE NR 3 CYLINDER. FOUND THE GASKET ON THE NR 3 CYLINDER HAD COLLAPSED IN UPPER RIGHT CORNER.Jun 20, 2018 · N77RG · Cessna 310RSDR M2LA201806221001Cylinder · crackedACFT STARTED AND RUNNING FOR A TRAINING FLIGHT, PILOTS NOTICED A VIBRATION OF THE ENGINE AND NO CYLINDER HEAD TEMP OR EXHAUST TEMP ON NR 6 CYLINDER IAW THE ENGINE MONITOR. PILOTS SHUT ENGINE DOWN AND NOTIFIED MAINTENANCE. AFTER INSPECTION OF CYLINDER NR 6, BJun 11, 2018 · N206WD · Cessna TU206GSDR HYIA20180613001Cylinder · separatedDURING POWER REDUCTION AT 20" LEFT ENGINE STARTED TO SHUTTER AND VIBRATE MAP INDICATION FLUCTUATED BETWEEN 20 AND 24" INCHES. ENGINE WAS NEVER SHUT DOWN AIRCRAFT WAS ON SHORT FINAL AND LANDED WITHOUT ISSUE. POSTFLIGHT INSPECTION REVEALED THE HEAD PORTION OF TJun 9, 2018 · N267CA · Cessna 402CSDR EVGR2018060500044Cylinder · wornDURING A ROUTINE OIL AND FILTER CHANGE. NOTHING ABNORMAL WAS NOTED DURING THE ENGINE RUN UP, NOR WAS THE ANY ABNORMALITY REPORTED FROM THE PILOT. WHEN THE EXTERNAL REMOTE MOUNTED OIL FILTER WAS CUT OPEN, A LOT OF METAL WAS DISCOVERED IN THE PAPER PLEATS. ITJun 4, 2018 · N5387G · Helio HT295SDR E5ZR2018061300177Connecting Rod · oil starvationAFTER TEARING DOWN OF THE ENGINE, THE NR 5 CYLINDER FAILED DUE TO OIL STARVATION OF THE CONNECTING ROD CAP FOR UNKNOWN REASONS. THIS CAUSED FAILURE OF THE ROD CAP BOLTS. THE CAP BOLTS STRETCHED, SNAPPED AND THEY SHOW SIGNS OF BURN MARKS.May 21, 2018 · N206S · Beech 95B55SDR 2018FA0000209Cylinder · bypassingAFTER ENGINE START NOTED ENGINE RUNNING ROUGH. PILOT REPORTED. MAINTENANCE FOUND NR 2 CYLINDER EXHAUST VALVE STUCK OPEN.May 18, 2018 · N966LTSDR 2018FA0000208Cylinder · bypassingDURING CRUISE FLIGHT, ENGINE ROUGHNESS NOTED. LANDED AS A PRECAUTION. MAINTENANCE FOUND THAT NR 2 CYLINDER EXHAUST VALVE STUCK OPEN.Apr 30, 2018 · N970LTSDR HYIA20180430001Exhaust Valve · brokenPILOT REPORTED IN CLIMB POWER, AIRCRAFT YAWED AND SEVERE ENGINE VIBRATION ENSUED. UPON INSPECTION MAINTENANCE FOUND THE CYLINDER TO HAVE ZERO COMPRESSION AND THE EXHAUST VALVE BROKEN AT THE STEM. THE CYLINDER WAS REPLACED WITH NO FURTHER DEFECTS NOTED.Apr 27, 2018 · N256CA · Cessna 402CSDR N3XR2018042300479Cylinder · crackedDURING AN INSPECTION AND WHEN PERFORMING THE COMPRESSION CHECK, IT WAS DISCOVERED THAT THE NR 1 AND 3 CYLINDERS WERE FOUND CRACKED AT THE BARREL-HEAD CONNECTION.Apr 23, 2018 · N479ER · Cessna 172SSDR 2018FA0000139Cylinder · crackedPILOT REPORTED ROUGH RUNNING ENGINE AND LOSS OF POWER ON TAKE. AFTER INSPECTION, FOUND THE NR 2 CYLINDER CRACKED ABOUT 75% AROUND BARREL.Apr 13, 2018 · N598A · Piper PA28181SDR 2018FA0000462Cylinder · crackedCYLINDER HEAD IS CRACKED. THIS IS THE THIRD CYLINDER ON THIS ENGINE THAT THE HEAD HAS DEVELOPED HOLES IN THEM. THE FIRST WENT AT ABOUT 800 HOURS. WE OPERATE THIS ENGINE IN A FLIGHT SCHOOL. HAPPENED UNDER NORMAL FLIGHT OPERATIONS. PROBABLE CAUSE UNKNOWN. Apr 6, 2018 · N6655W · Piper PA28140SDR HYIA20180404001Cylinder · damagedPILOT REPORTED LEFT ENGINE VIBRATION DURING FLIGHT. MAINTENANCE INSPECTED AND FOUND THE LEFT ENGINE NR 3 CYLINDER WITH A COLLAPSED EXHAUST LIFTER, BROKEN VALVE GUIDE AND THE PISTON PIN BUSHING DAMAGED AND CRACKED. THE CYLINDER AND CONNECTING ROD HAS BEEN CHAMar 30, 2018 · N26156 · Cessna 402CSDR ESMR2018040201Cylinder · failedPILOT REPORTED A BANG WITH AN IMMEDIATE DROP OF 300 RPM. ENGINE CONTINUED TO RUN, DIVERTED. THERE WAS AN EXTENSIVE AMOUNT OF OIL ON THE AIRCRAFT. WHEN THE COWLING WAS REMOVED A VISUAL INSPECTION SHOWED THE NR 3 CYLINDER BARREL WAS BROKEN ALL THE WAY AROUND AMar 25, 2018 · N8273V · Piper PA28181SDR ECPR2018040378460Cylinder Head · crackedDURING A SCHEDULED INSPECTION, FOUND THAT THE NR 4 CYLINDER HAD LOW COMPRESSION. INVESTIGATION FOUND THE CYLINDER HEAD WAS CRACKED AROUND THE INTAKE VALVE SEAT AND THROUGH THE CYLINDER HEAD WALL OUT BETWEEN THE CYLINDER COOLING FINS.Mar 16, 2018 · N300DC · Piper PA28161SDR ECPR2018040378436Exhaust Valve · wornDURING A SCHEDULED INSPECTION, FOUND THAT THE NR 4 ENGINE CYLINDER HAD LOW COMPRESSION. INVESTIGATION FOUND THAT THE EXHAUST VALVE FACE AND EXHAUST SEAT INTERFACE SHOWED EXCESSIVE WEAR CAUSING THE EXHAUST VALVE FACE TO CUP.Mar 16, 2018 · N903FC · Piper PA28161SDR ECPR2018031578420Cylinder Head · crackedDURING A SCHEDULED INSPECTION, FOUND THE NR 1 CYLINDER HAD LOW COMPRESSION. INVESTIGATION FOUND THE CYLINDER HEAD WAS CRACKED AROUND THE INTAKE VALVE SEAT AND THROUGH THE CYLINDER HEAD WALL OUT BETWEEN THE CYLINDER COOLING FINS.Mar 15, 2018 · N552PU · Piper PA28161
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