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 8HBR20231216056Plug · wornALUMINUM SHAVINGS WERE FOUND IN THE OIL FILTER DURING 100HR INSPECTION. FOUND THIS TO BE A RESULT OF BOTH PISTON PIN PLUGS BEING WORN ON #1 CYLINDER AND THE CYLINDER WALL HAVING A “RIDGE” AT THE BOTTOM OF THE RING TRAVEL.Oct 31, 2023 · N6400Q · Cessna 152SDR 2NVA202311010001Intake Valve · damagedPILOT IDENTIFIED HIGH MANIFOLD PRESSURE REQUIRED AFTER TAKE OFF AND PERFORMED A PRE CAUTIONARY LANDING OFF AIRPORT. INSPECTION REVEALED A WET SPARK PLUG ON CYLINDER # 6. AFTER REMOVAL OF THE VALVE COVER, A BROKEN INTAKE VALVE TIP WAS DISCOVERED. NEW STYLE ROTAOct 28, 2023 · N328SS · Robsin R44SDR 2023FA0000683Cylinder Head · crackedDURING CRUISE PILOT SENSED A "POP" ENGINE BEGAN RUNNING ROUGH WITH POWER LOSS. DECLARED EMERGENCY, DIVERTED, LANDED WITHOUT INCIDENT. INVESTIGATION FINDS #2 CYLINDER CRACK ACROSS TOP SPARK PLUG HOLE. CYLINDER ENGINE COMPONENTS INC. (ECI) PART NUMBER CCST4.1Oct 26, 2023 · N8352D · Piper PA28161SDR 8HBR20231216057Plug · wornALUMINUM SHAVINGS WERE FOUND IN THE OIL FILTER DURING 100HR INSPECTION. FOUND THIS TO BE A RESULT OF BOTH PISTON PIN PLUGS BEING WORN ON #1 CYLINDER AND THE CYLINDER WALL HAVING A “RIDGE” AT THE BOTTOM OF THE RING TRAVEL.Oct 25, 2023 · N707GS · Cessna 152SDR 2023FA0000673Rocker Boss · brokenPILOT REPORTED THAT APPROX. AN HOUR INTO FLIGHT AT 3500 FEET AND 30 DEGREES AND ON AUTOPILOT, EXPERIENCED SEVERE ENGINE VIBRATION AND REDUCED POWER. PILOT REDUCED POWER TO AROUND 1700-1800 RPM IN EFFORT TO DECREASE VIBRATION. ULTIMATELY MADE EMERGENCY LANDINOct 24, 2023 · N8443M · Cessna 182PSDR 2023FA0000794Intake Valve · brokenENGINE LOST POWER ON TAKEOFF ROLL AND TAKE OFF WAS SAFELY ABORTED. FOUND NO COMPRESSION ON CYLINDER #6 AND DETERMINED THE ENTIRE INTAKE VALVE WAS MISSING. FOUND VALVE IN THREE PIECES IN INTAKE PLENUM. VALVE STEM TIP HAD SEPARATED FROM THE VALVE STEM AT THE KOct 21, 2023 · N4187A · Piper PA32R301TSDR 2023FA0000622Cylinder · crackedPILOT REPORTED LOSS OF ENGINE POWER. BEGAN TO RUN ROUGH. MADE A PRECAUTIONARY NORMAL LANDING. MECHANIC REMOVED COWLING AND FOUND A CRACKED NR 4 CYLINDER. LB STATED NEW CYLINDERS WERE INSTALLED AT ENGINE OVERHAUL AT 1481.6 HOURS AGO. THE CYLINDER WAS REPLACED Oct 20, 2023 · N174GF · Cessna 172RSDR 2023FA0000614Pipe · crackedAT 179 HOURS SINCE NEW, INTAKE PIPE LW-16487 WAS FOUND CRACKED AROUND THE FLANGE AND CYLINDER ATTACH PAD. AT 225 HOURS. CYLINDER PISTON ASSY REPLACED.Oct 20, 2023 · N755EPSDR 2023FA0000613Rocker · damagedLYCOMING FACTORY OVERHAULED O-320-D2J, S/N L-17060-39E. DURING ROUTINE MX, SB388C (EXHAUST VALVE GUIDE INSP.) FOUND 4EA PUSH RODS P/N 15F28835-10, 2EA PUSH RODS P/N 15F28835-09, 6EA ROCKER ARMS P/N17F19357, 6EA SOCKETS P/N 15B21319 & 6EA LIFTERS P/N 15B26066 TOct 19, 2023 · N9643Q · Cessna 172MSDR 2023FA0000628Cylinder · damagedWE OVORNOULED LHLS ENGINE WITH FOUR (4), NEW CMI. (CONTINENTAL MOTORS INC) CY!NDER ASSEMBLIES. AL 112. 7 HO<N, WO HAD 10 REPLACE ALL FOUR CYLINDER AUEMBLIOS DUE 10 OIL WEEPING OUT BETWEEN COOIING FINS 11/CUND THE OUTSIDE OWC)S.TE OL WL\EFE U,E E.:J\A\JST VALVESep 30, 2023 · N6557Q · Alon A2SDR 2023FA0000575Pushrod · bentLOSS OF POWER DUE #3-CYLINDER EXHAUST PUSH ROD BEING BENT. PILOT LOST POWER TO THE #-3 CYLINDER DURING FLIGHT. UPON REMOVAL OF THE # 3 CYLINDER, IT WAS FOUND THAT THE EXHAUST PUSH ROD WAS GALLED AND BENT. THE PUSH ROD TUBE WAS ALSO BENT.Sep 28, 2023 · N470SU · Cirrus SR20SDR HYIA20230928002Stud · shearedDURING ROUTINE INSPECTION THE NUMBER ONE CYLINDER THROUGH STUD WAS FOUND TO BE SHEARED. THE ENGINE IS BEING REPLACED.Sep 27, 2023 · N357CA · Tecnam P2012SDR HYIA20230928001Stud · shearedDURING ROUTINE INSPECTION THE NUMBER ONE CYLINDER THROUGH STUD WAS FOUND TO BE SHEARED. THE ENGINE IS BEING REPLACED.Sep 19, 2023 · N989CA · Tecnam P2012SDR HYIA20230912005Cylinder · failedPILOT REPORTED BLACK AND GREY SMOKE FROM RIGHT ENGINE EXHAUST. MAINTENANCE INSPECTED AND FOUND THE RIGHT ENGINE #5 CYLINDER OIL SOAKED. CYLINDER WAS REPLACED.Sep 7, 2023 · N945CA · Tecnam P2012SDR 8HBR20231216060Plug · wornALUMINUM SHAVINGS WERE FOUND IN THE OIL FILTER DURING 100HR INSPECTION. FOUND THIS TO BE A RESULT OF BOTH PISTON PIN PLUGS BEING WORN ON #1 AND #4 CYLINDERS AND THE CYLINDER WALLS HAVING A “RIDGE” AT THE BOTTOM OF THE RING TRAVEL.Sep 6, 2023 · N89312 · Cessna 152SDR HYIA20230912004Cylinder · failedPILOT REPORTED LEFT OIL PRESSURE DROPPED IN FLIGHT WITH BLACK SMOKE. MAINTENANCE INSPECTED AND FOUND EXCESSIVE OIL IN THE LEFT ENGINE #4 CYLINDER. REPLACED CYLINDER WITH NO FURTHER DEFECTS NOTED.Sep 6, 2023 · N411CA · Tecnam P2012SDR HYIA20230912003Unknown · unknownPILOT REPORTED RIGHT ENGINE OIL PRESSURE OSCILLATING FROM 72-38 PSI IN FLIGHT. MAINTENANCE INSPECTED AND FOUND ALL CYLINDER BORES COATED WITH OIL AND CYLINDER WALLS SCORED. ALL CYLINDERS ARE BEING REPLACED.Sep 3, 2023 · N345CA · Tecnam P2012SDR HYIA20230912002Unknown · unknownPILOT NOTED LOW OIL PRESSURE ON LEFT ENGINE DURING FLIGHT. MAINTENANCE INSPECTED AND FOUND METAL PARTICLES SIMILAR TO A PISTON RING AT OIL FILTER, WASTEGATE SOLENOID SCREEN, & OIL PUMP SUCTION SCREEN. THE ENGINE HAS BEEN REPLACED WITH NO FURTHER DEFECTS.Sep 3, 2023 · N651CA · Tecnam P2012SDR HYIA20230912001Cylinder · failedPILOT REPORTED RH ENGINE OIL PRESSURE IN YELLOW LOWEST OBSERVED WAS 42 PSI @ 183 DEGREES. MAINTENANCE INSPECTED AND FOUND METAL PARTICLES IN OIL FILTER, PROP GOVERNOR FILTER SCREEN, WASTEGATE SOLENOID SCREEN AND SUCTION FILTER AT OIL SUMP. FOUND PISTON #4 LH ESep 1, 2023 · N396CA · Tecnam P2012SDR 2023FA0000465Unknown · unknownWE EXPERIENCED TWO CRACKED CYLINDERS WITHIN 55.6 TACH HRS OF EACH OTHER. THE CRACKS WERE IN IDENTICAL LOCATIONS AT THE TOP OF THE CYLINDER BARREL WHERE THE BARREL MEETS THE CYLINDER HEAD. THE CRACKS WERE FOUND BY HIGH CHT INDICATIONS, VISUALLY SEEING EXHAUSTAug 22, 2023 · N733JP · Cessna 172NSDR 2023FA0000741Exhaust Valve · binding#2 CYLINDER STUCK EXHAUST VALVE CAUSING PUSHROD TO BEND AND LOSS OF POWER.Aug 5, 2023 · N5355W · Cessna 172RSDR 2023FA0000371Cylinder · crackedENGINE CYLINDER #2 CHT VERY HIGH. COMPRESSION CHECK, FOUND CYLINDER #2 CRACKED ABOUT 1/2 UP THE BARREL. VISIBLE FROM FORWARD SIDE. CRACK EXTENDED ALMOST 1/2 WAY AROUND THE BARREL. REMOVED AND REPLACED CYLINDER ASSEMBLY.Jul 14, 2023 · N9096Z · Cessna 172SSDR 2023FA0000345Intake Valve · separatedPILOT REPORTED THAT DURING CRUISE FLIGHT ENGINE RPM BEGAN TO FLUCTUATE AND ENGINE BEGAN TO RUN ROUGH. PILOT IMMEDIATELY RETURNED TO BASE AND MADE A NORMAL LANDING. WHEN ON THE GROUND THE PILOT REPORTED THAT THE ENGINE WAS RUNNING ROUGH AND A SIGNIFICANT VIBRATJun 27, 2023 · N220SG · Robsin R44RAVENIISDR 2023FA0000335Cylinder · separated#2 CYLINDER SEPARATED FROM CASE. APPEARS CONNECTING ROD OR WRIST PIN SEPARATED FROM PISTON WHICH CAUSED CYLINDER TO SEPARATE. ENGINE HAD APPROXIMATELY 6 QUARTS OF OIL WHEN IT TOOK OFF. THERE APPEARED TO BE OIL INSIDE THE SUMP AFTER LANDING WAS MADE.Jun 22, 2023 · Piper PA28140SDR 2023FA0000625Cylinder · separatedCYL €¢3 DEVELOPED/, CRACK IN THE CYLINDER HEAD BETWEEN COOLING FINS IIPPROXIMATEL Y 1 625 INCHED ABOVE LOWEST FINE AT HE/ID/ 81\RREL ATTACHMENT. IOCIITED IN LOWER CORNEER EDGE OF CLINDER HEAD ON INTAKE VALVE SIDE. PILOT NOFLCED CYL HEAD !HIP RISINC, TO APPRJun 19, 2023 · N2838L · Cessna 172HSDR 2023FA0000312Crankcase · leakingPILOTS REPORTED A MASSIVE ENGINE OIL LEAK FROM LH ENGINE DURING FLIGHT. THEY MADE A PRECAUTIONARY LANDING AND CALLED FOR MAINTENANCE. A TECH FOUND THE HEAD OF A SHEARED 12-POINT BOLT INSIDE THE COWLING. FURTHER INVESTIGATION FOUND THAT THE BOLT HEAD HAD COME FJun 13, 2023 · N542BL · Diamon DA42NGSDR 2023FA0000370Cylinder · failedAIRCREW REPORTED: DURING CRUISE AT 8,000 FT, THE LEFT ENGINE STARTED VIBRATING AND THEN BACKFIRING. I PULLED THE LEFT ENGINE BACK TO APPROX 21" MP AND THE ENGINE SMOOTHED OUT. WE DECIDED TO LEAVE THE ENGINE RUNNING SINCE THERE WAS NO VISUAL INDICATIONS OF ANYJun 12, 2023 · N47TB · Doug DC3CSDR 2023FA0000294Rocker · damagedDURING ROUTINE MX, LYCOMING SB388C (EXHAUST VALVE GUIDE INSPECTION) FOUND 3 OF 4 EXHAUST ROCKER ARMS, PUSH RODS & LIFTER SOCKETS TO HAVE MECHANICAL DAMAGE "HEAVY SCUFF". LYCOMING FACTORY OVERHAULED, O-360-J2A, S/N L-41749-36E, ETT: 667.2, ETSO: 330.6Jun 2, 2023 · N194LE · Robsin R22BETAIISDR 2023FA0000278Exhaust Valve · corrodedDURING BORE SCOPE INSPECTION OF CYLINDER ASSEMBLIES THE NUMBER 3 CYLINDER EXHAUST VALVE WAS FOUND TO BEY HEAVILY PITTED ON VALVE BELL. THE ENGINE HAS ACCUMULATED 398.4 HOURS SINCE MAJOR OVERHAUL. NEW CYLINDER ASSEMBLIES INCLUDING VALVES WERE INSTALLED AT OVERHMay 23, 2023 · N3206M · Robsin R44RAVENIISDR 2023FA0000268Cylinder · splitAN OCCURRENCE WAS REPORTED THAT HAPPENED AT RALEIGH AIRPORT (RDU), ON THE 05/09/2023 AT 1715 EDT. THE SAID AIRCRAFT, N382BW HAD JUST GOTTEN AIRBORNE AND RECEIVED AN ADVISORY FROM ATC THAT SMOKE WAS STREAMING FROM THE LEFT ENGINE. AIRSPEED WAS AT 97 KNOTS AND TMay 18, 2023 · N382BW · Cessna 421CSDR 2023FA0000265Cylinder · bindingENGINE DEVELOPED A SHUDDER EVENT ON CLIMB OUT. MOMENTARY DROP IN POWER AND RPM. RETURNED TO KOSU WITH OUT ANY OTHER ISSUES. ALL STICKING VALVES HAVE BEEN CYLINDERS #2, AND/OR #4. TECHS COMPLIED WITH LYCOMING SB N0.388C REAMED EXHAUST VALVE GUIDES. THIS CORRECTMay 17, 2023 · N90SU · Cessna 172SSDR 2023FA0000623Cylinder · crackedREMOVED COWL, FOUND NR 1 FOUND CRACKED AND SEPARATED. FAA PHOTOGRAPHED & AUTHORIZED THE CYLINDER TO BE REPLACED WITH OVERHAULED CYLINDER. NOTE: REPORTED THE NR 4 CYLINDER PREVIOUSLY.May 12, 2023 · N1746F · Cessna 172RSDR 2023FA0000620Cylinder · damagedNUMBER 5 CYLINDER EXHAUST VALVE BROKE AT THE VALVE STEAM KEEPER. THE BRAKE WAS A CLEAN BRAKE, PICTURES AVAILABLE ON REQUEST. THE CYLINDER WAS COMPLETELY DESTROYED PISTON BUSTED IN HALF. THE CYLINDER P/N 658319A2BP HAD APPROXIMATELY 35HRS. FROM NEW. CUSTOMER May 10, 2023 · N2671L · Cessna 172MSDR 2023FA0000204Cylinder · crackedHEARD A BANG AND SAW PRESSURE DROP IN #3 CYLINDER. PLANE BEGAN TO RUN ROUGH, AT WHICH POINT I DECLARED AN EMERGENCY AND ASKED TO BE VECTORED TO TERRE HAUTE IN, WHERE I WAS ABLE TO MAKE A SAFE LANDING WHILE STILL UNDER POWER.Feb 20, 2023 · N723CESDR 2022FA0000728Exhaust Valve · stuckDURING ANNUAL INSPECTION COMPRESSION TEST, NONE FOUND IN #3 CYLINDER. DISASSEMBLED, DETERMINED EXHAUST VALVE STUCK IN GUIDE DUE CARBON BUILD UP. CLEANED VALVE AND GUIDE, RE-ASSEMBLED, RE-INSTALLED, OPERATION SATISFACTORYNov 23, 2022 · N1637Y · Cessna 172CSDR 2022FA0000727Exhaust Valve · stuckENGINE ROUGH RUNNING DURING PRE-TAKE OFF RUN UP. COMPRESSION TEST FINDS NONE IN #4 CYLINDER. DISASSEMBLED, FOUND EXHAUST VALVE STUCK DUE CARBON BUILD UP IN VALVE GUIDE. CLEANED VALVE AND GUIDE, RE-ASSEMBLED, RE-INSTALLED, OPERATION SATIFACTORYNov 23, 2022 · N66062 · Cessna 150LSDR 2022FA0000726Exhaust Valve · stuckENGINE ROUGH RUNNING DURING TAKE OFF RUN UP. COMPRESSION TEST FOUND #4 CYLINDER LOW. REMOVED CYLINDER FOUND EXHAUST VALVE STUCK OPEN. REMOVED VALVE, CLEANED GUIDE OF CARBON BUILDUP, RE-ASSEMBLED, RE-INSTALLED, OPERATES SATISFACTORY.Nov 23, 2022 · N69685 · Cessna 150HSDR 2022FA0000725Exhaust Valve · stuckEMERGENCY LANDING, ACCIDENT INVESTIGATION, DUE POWER LOSS. FOUND NR 3 CYLINDER EXHAUST VALVE STUCK IN VALVE GUIDE.Nov 23, 2022 · N99209 · Univar 415CSDR 2023FA0000225Cylinder Head · unknownDURING CLIMB ENGINE HAD INTERMITTENT HESITATION EVENTS. HIGH POWER SETTING. TECHS COMPLETED EXHAUST VALVE REAM IAW LYCOMING SI 1425A. THIS CORRECTED THE ENGINE HESITATION ISSUE.Nov 21, 2022 · N578CA · Cessna 172SSDR 2022FA0000752Exhaust Valve · destroyedEXHAUST VALVE BROKE OFF AT BASE OF VALVE STEM, CAUSING DESTRUCTION OF CYLINDER COMBUSTION CHAMBER AND SUBSEQUENT ENGINE FAILURE.Nov 20, 2022 · N10612 · Cessna 150LSDR 2023FA0000226Cylinder Head · unknownINTERMITTENT HESITATION DURING CLIMB. HIGH POWER SETTING. ENGINE CYLINDERS #2 AND #4 WERE REMOVED AND SENT TO THE OVERHAUL SHOP POPLAR GROVE FOR REPAIRS. BOTH EXHAUST VALVES WERE STICKING. CYLINDER SHOP REAMED VALVES. THIS CORRECTED THE ENGINE HESITATION ISSUEOct 10, 2022 · N350SU · Cessna 172SSDR 2022FA0000438Cylinder · cracked#4 CYLINDER WAS READING HOT CHT TEMPS ON INSPECTION FOUND A CRACK RUNNING AROUND CYLINDER HEAD BETWEEN HEAD FIN 6 AND 7 FROM BOTTOM OF CYL HEAD. CRACK WAS ABOUT 6IN LONG AND COULDN'T BE SEEN FROM INSIDE OF CYLINDER. THIS TYPE OF CRACKING COULD HAVE CAUSED HEADAug 8, 2022 · Cessna 172SSDR 2022FA0000442Intake Valve · burnedLOW CYLINDER COMPRESSIONS WERE NOTED AT ANNUAL FOR AN ENGINE THAT WAS REPAIRED BY LYCOMING ONLY 180 HRS PRIOR TO CURRENT INSPECTION. BORESCOPE REVEALED BURNED INTAKE VALVES. CRANKSHAFT EXPANSION PLUG HAD A SUNSTANTIAL OIL LEAK AND CRANKSHAFT SEAL WAS LOOSE IN May 19, 2022 · N41LY · Robsin R44SDR VPEA20224213153Cylinder Head · brokenDURING FLIGHT BACK TO COD. ENGINE STARTED RUNNING ROUGH WITH POWER LOSS OIL PRESSURE DROPPED TO 9 PSI. ONCE IN MX IT WAS DISCOVERED THE #2 CYLINDER EXHAUST SIDE HAD BROKEN OFF WITH THE ROCKER ARM INSIDE.Apr 19, 2022 · N703TP · Cirrus SR22TSDR 2022FA0000523Exhaust Valve · brokenDURING CRUISE FLIGHT ENGINE BEGAN TO RUN ROUGH AND AN INCREASED POWER SETTING WAS REQUIRED TO MAINTAIN LEVEL FLIGHT. THE HELICOPTER IMMEDIATELY RETURNED TO THE HELIPAD AND MADE A NORMAL LANDING. BORE SCOPE INSPECTION REVEALED THAT THE #3 CYLINDER EXHAUST VALVEMar 22, 2022 · N7197V · Robsin R44SDR 8HBR20211108036Piston · burned outPILOT EXPERIENCED POWER LOSS SHORTLY AFTER TAKE OFF AND LANDED AS SOON AS POSSIBLE. UPON REMOVAL OF SPARK PLUGS THERE WAS UNUSUAL FOULING ON CYLINDER #1 BOTTOM SPARK PLUG, LOOKING THROUGH THE SPARK PLUG HOLE OF CYLINDER #1 REVEALED A HOLE BLOWN THROUGH THE PISNov 5, 2021 · N89226 · Cessna 152SDR 8HBR20211029034Pushrod · wornFOUND CYLINDER #2 EXHAUST PUSHROD WEARING ON SHROUD TUBE SPRING.Oct 29, 2021 · N8360K · Piper PA44180SDR 1SMA20210916001Rocker Cover · leakingDURING A SCHEDULED MAINTENANCE INSPECTION OF THE ENGINE ROCKER BOX COVERS, EVIDENCE OF OIL SEEPING FROM CYLINDER #5 ROCKER BOX COVER AREA WAS DISCOVERED ON RAISED "LYCOMING" STAMPED. FURTHER INSPECTION WITH A 10X MAGNIFYING GLASS CONFIRMED THE STAMPED AREA TO Sep 16, 2021 · N4238R · Piper PA32300SDR 2021FA0000254Crankcase · perforatedCYLINDER BASE NUT OIL LEAK DUE TO PERFORATED CRANKCASE CYLINDER STUD BOSS. AS PER LYC REPS, DURING INITIAL BUILD, IF ENGINE CASE STUD BOSS HAS BEEN PERFORATED, LYC GLUES STUD INTO BOSS. OVERHAUL MANUAL DOES NOT LIST GLUED OR PERFORATED STUD BOSSES; DOES MENTIOSep 3, 2021SDR 2021FA0000212Cylinder Head · crackedHAVE HAD TWO CYLINDER CRACK IN THE SAME PLACE WITH IN A TWO MONTH PERIOD. REQUESTING THAT AL FOUR CYLINDERS ARE REPLACED. ALSO HAD ONE CRACK ON A SECOND AIRCRAFT BOTH ENGINES WERE REBUILT AT THE SAME TIME JAN 2020 TWO DIFFERENT PLACES THIS ENGINE HAD NEW LYCJul 19, 2021 · N51827 · Cessna 172R
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