JASC 8520

Service difficulty reports · 2,213

Reports filed under 8520 · Reciprocating Engine Power 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 = '8520'
  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 2006FA0000576Nut · splitTHRU STUD NUT SPLIT ON NR 4 CYLINDER TOP THRU STUD. (K)Jun 6, 2006 · N746C · Cirrus SR22SDR 2006FA0000762Crankshaft · separatedCRANKSHAFT FLANGE SEPARATED FROM CRANK AT THE LIGHTENING HOLES. AVOID GYROSCOPIC AEROBATICS USING A CRANKSHAFT FLANGE WITH LIGHTENING HOLES. (K)May 20, 2006 · N818SH · Amtr SISU1ASDR 2006FA0000521Crankcase · crackedDURING A 100 HR INSPECTION, AN OIL LEAK WAS NOTED AROUND THE L/H FORWARD CRANKCASE AROUND THE UPPER CRANKCASE BOLT (PN 6-34A WITH PN LW-11866 NUT). THE ENGINE WAS CLEANED AND A DYE PENETRANT INSPECTION PERFORMED. A CRACK ROUGHLY 4 INCHES LONG WAS FOUND RUNNIMay 18, 2006 · N1962F · Cessna 172NSDR 2006FA0000538Camshaft · wornCOMPRESSION CHECKED ENGINE, NR 2 CYLINDER 40/80. REMOVED NR 2 CYL FOR REPAIR. INSP INSIDE OF ENG, FOUND NR 1 CYL EXHAUST LIFTER/CAM LOBE BADLY WORN. UNKNOWN HOW LONG IT HAS BEEN LIKE THIS, KNOW IT WOULD NOT HAVE LASTED TOO MUCH LONGER. REBUILT/ZERO TIMED. May 10, 2006 · N866SH · Beech 58SDR 2006FA0000580Connecting Rod · unknown50 MILES OUT OF HOME BASE, PILOT HEARD A (POP) CAME FROM LEFT ENGINE, THEN NOTICED OIL PRESSURE START THE FALL. FEATHERED PROP AND SECURED ENGINE. MADE A UNEVENTFUL LANDING. INSP FOUND NR 4 CYLINDER ON L/E DDEPARTED FROM ENGINE AND NR 4 ROD BROKEN. SUSPECMay 8, 2006 · N106GA · Beech 58SDR CA060504009Camshaft · damagedCYLINDERS REMOVED FOR ON CONDITION INSPECTION, CAMSHAFT FOUND TO HAVE SEVERE CORROSION AND DAMAGE TO ALL LOBES. ENGINE DISASSEMBLED FOR OVERHAUL, AND THE FOLLOWING WAS FOUND; BOTH INTAKE LOBES ON CAMSHAFT DESTROYED, ALL TAPPET BODIES DAMAGED, OIL PUMP HOUSINGMay 4, 2006 · Piper PA28140SDR 2006FA0000412Thru Bolt · brokenTHE ENGINE CRANKCASE THRU-BOLT BROKE. THIS THRU-BOLT IS LOCATED UNDER THE TOP OF THE OIL COOLER ADAPTER PLATE THRU TO THE NR 6 CYL TOP FRONT. IT BROKE OFF FLUSH AT THE CYL BASE WHILE IN FLIGHT. THE BOLT END WHICH BROKE OFF WITH THE CYL BASE NUT FLEW OUT THE FRApr 24, 2006 · N4918R · Cessna A188BSDR CA060427001Gear · cracked(CAN) CRANKSHAFT GEAR HAD TWO SMALL MPI INDICATIONS ON ONE GEAR TOOTH. THE GEAR ALSO HAD VISUAL DAMAGE TO 3 GEAR TEETH. CRANKSHAFT GEAR WAS REMOVED FROM SERVICE AND REPLACED WITH NEW GEAR. (TC NR 20060427001)Apr 19, 2006 · Cessna 172SSDR CA060418005Main Bearing · failedCONNECTING ROD BEARINGS ON NR 1 AND NR 4 RODS SIGNIFICANT SURFACE DELAMINATION. BROKEN PIECES 1/2"L BY 1/8"W FOUND IN BETWEEN CONNECTING ROD BEARING AND CRANKSHAFT.Apr 14, 2006 · Cessna 172SSDR 2006FA0000434Cam · wornNOTED EXCESS MATERIAL IN REMOVED OIL FILTER, SAMPLE ANALYZED AND DETERMINED CAM/LIFTER WEAR. ENGINE REMOVED FOR REPAIRS. WHILE CASE SPLIT SB 569 COMPLIED WITH REPLACING CRANKSHAFT. (K)Apr 14, 2006 · N336PA · Piper PA44180SDR CA060427002Connecting Rod · galled(CAN) CONNECTING RODS REMOVED FROM ENGINE AT 192.0HRS DUE TO PROP STRIKE. RODS INSPECTED IAW SB439A, AND ALL 6 RODS HAD FRETTING AND GALLING ON THE CONNECTING ROD BEARING BORE SURFACE. THE RODS WERE REPAIRED AND RETURNED TO SERVICE. THE PREVIOUS OVERHAUL RECORApr 13, 2006 · Piper PA25235SDR 2006FA0000466Connecting Rod · brokenCUSTOMER WAS ENROUTE TO MAINTENANCE SHOP TO GET ANNUAL INSPECTION, BOTH ENGINES OVERHAULED. RT ENGINE CYLINDER NR 2 CONNECTING ROD BROKE AT THE CRANKSHAFT ATTACHMENT CAUSING MAJOR DAMAGE TO THE CAMSHAFT, AND CRANKCASE BREAKING OPEN IN SEVERAL PLACES AROUND THApr 10, 2006 · N90JP · Gulstm 500SSDR CA060421021Crankshaft · corrodedCORROSION FOUND UNDER PID FWD ID.Mar 23, 2006 · Bbavia 8GCBCSDR CA060421020Crankshaft · corrodedCORROSION FOUND UNDER PID AT FWD ID.Mar 23, 2006 · Bbavia 8GCBCSDR CA060421019Crankshaft · corroded(CAN) FWD INNER DIA CRANKSHAFT CORRODED BEYOND LIMITS IAW AWD 98-02-08. (TC NR 20060421019)Mar 23, 2006 · Bbavia 8GCBCSDR NAH2006F00001Crankcase · crackedAFTER DEPARTURE, THE PILOT NOTICED OIL LEAKAGE EMANATING FROM THE TOP FORWARD SEAM OF THE LT ENGINE COWLING. A SCAN OF THE ENG INSTRUMENTS WAS NOMINAL, HOWEVER THE PILOT ELECTED TO RTB. AFTER LANDING AND CLEARING THE ACTIVE RUNWAY, THE PILOT DECIDED TO SECUMar 9, 2006 · N20AN · Piper PA23250SDR CA060221012Camshaft · spalledSPALLING ON CAM AND LIFTERS.Feb 20, 2006 · Piper PA28140SDR N582006F00000Case Half · crackedRT ENGINE WAS SHUTDOWN IN FLIGHT DUE TO EXTREME SHAKING. PROP FEATHERED OK AND AIRCRAFT LANDIED WITHOUT FURTHER INCIDENT. AFTER ENGINE SHUTDOWN PILOT NOTED OIL RUNNING OUT OF ENGINE ON IB SIDE. POST LANDING INSPECTION REVEALED SEPARATED CRACK ABOVE THE NR Feb 10, 2006 · N421RG · Cessna 421CSDR 2006FA0000183Piston · damagedALL 6 PISTON SKIRTS HITTING CASE. ALL PISTON DAMAGE BEYOND REPAIR. (K)Feb 3, 2006 · N1069F · Beech E33ASDR CVU2006F00000Camshaft · wornSMALL PARTICLES OF METAL FOUND IN OIL. IDENTIFIED NR 5 AND NR 6 CAM AND ASSOCIATED LIFTERS WORN. REMOVED FOR REPAIR. RECOMMEND THE USE OF 16702 ENGINE OIL ADDITIVE ON A REGULAR BASIS. (K)Feb 2, 2006 · N44MA · Beech 65B80SDR ZJW2006F00000Camshaft · brokenRT ENGINE HAD NO RPM CONTROL TAKING OFF. PROPELLER DID NOT FEATHER WHEN FEATHER WAS SELECTED. AC LANDED SAFELY AND FEATHER AFTER SHUTDOWN. TEARDOWN OF ENGINE THE FRONT END OF THE CAMSHAFT WAS BROKEN WHERE THE PROP GOVERNOR DRIVE GEAR ATTACHES. (K)Jan 25, 2006 · N272CA · Gulstm 500BSDR 2006FA0000117Flange · brokenBOTH FORWARD BOLT ATTACHMENT FLANGES WERE CRACKED OFF OF STARTER ATTACHMENT FLANGE ASSEMBLY. THIS CAUSED THE STARTER TO DROOP DOWNWARD WITH ONLY THE AFT BOLTS SUPPORTING THE STARTER. AS A RESULT, THE STARTER RING GEAR AND STARTER BENDIX WOULD NOT PROPERLY ENGAJan 20, 2006 · N263ND · Piper PA28161SDR CA060116006Crankshaft · corrodedTHE CRANKSHAFT A/C WAS INSPECTED DUE TO A FAILURE OF A CRANKSHAFT ON ANOTHER AIRCRAFT IN THE FLEET (INTERNAL CORROSION). UPON REMOVAL OF THE FRONT CRANK PLUG AND CLEANING OF THE CRANKSHAFT, IT DISCOVERED THAT URETHABOND COATING WAS BLISTERING. URETHABOND REMJan 11, 2006 · Bbavia 8GCBCSDR 2006FA0000053Piston · brokenINSPECTION OF THE OIL FILTER DURING ROUTINE OIL CHANGE FOUND 2 EA (.1250 INCH) DIAMETER PIECES OF ALUMINUM. FURTHER DISASSEMBLY OF THE ENGINE/ CYLINDERS FOUND THE NR 1 CYLINDER PISTON SKIRT WAS MISSING A SECTION (.5 INCH X 1.1250 INCH LONG). PERFORMED A DY PJan 7, 2006 · N9234N · Maule M7235SDR 2006FA0000048Plug · dislodgedDURING PROP REMOVAL FOR A GROUND STRIKE, FOUND CRANKSHAFT WELSH PLUG LOGGED IN THE PROP HOUSING, RESTRICTING OIL FLOW TO PROP. ENGINE HAD BEEN INSTALLED 30 DAYS EARLIER, 4 HOURS SINCE INSTALL. (K)Dec 30, 2005 · N22320 · Mooney M20MSDR ZJW2006F00001Crankshaft · brokenPILOT REPORTED LT ENGINE QUIT ON SHORT FINAL. ENGINE FEATHERED ITSELF AND LANDED SAFELY. THE CRANKSHAFT AND CRANKCASE HAD BROKEN BETWEEN NR 4 AND NR 5 CYLINDER. THIS REAR PART OF THE ENGINE WAS SEPARATED FROM THE REST OF THE ENGINE. (K)Dec 29, 2005 · N667CA · Gulstm 500BSDR 2005FA0001619Crankshaft · crackedENGINE HAD A PROPELLER STRIKE INSPECTION WITH NO DAMAGE FOUND TO CRANKSHAFT. ENGINE WAS PUT BACK INTO SERVICE, CRANKSHAFT DEVELOPED A CRACK IN THE PROPELLER FLANGE. CRACK PROPAGATED FROM A SUBSURFACE DEFECT THAT WAS UNDECTED BY MAGNETIC PARTICLE INSPECTION.Dec 22, 2005SDR 2005FA0001634Crankshaft · crackedENGINE WAS INVOLVED IN A PROPELLER STRIKE, NO CRANKSHAFT DAMAGE WAS FOUND AT THAT TIME. ENGINE WAS RETURNED TO SERVICE AND A CRACK DEVELOPED IN THE CRANKSHAFT FLANGE, CRANKSHAFT WAS REMOVED FROM THE ENGINE. THE CRACK MOST LIKELY ORIGINATED FROM A SUBSURFACE DDec 22, 2005SDR 2005FA0001635Crankcase · failedLT CRANKCASE MAIN BEARING SADDLE FAILURE. THIS ENGINE MADE IT TO TBO BUT WASN`T GOING TO GO VERY MUCH LONGER. (K)Dec 20, 2005SDR AU510002212Crankshaft · damagedCRANKSHAFT DAMAGED. MAGNETIC PARTICLE INSPECTION OF CRANKSHAFT FOLLOWING NR 2 MAIN BEARING FAILURE (SEE SDR510002211) FOUND INDICATIONS OF HEAT CRACKS ON THE RADIUS OF NR 2 MAIN JOURNAL. CRANKSHAFT WAS REJECTED.Dec 12, 2005 · Cessna U206GSDR AU510002188Bolt · shearedCRANKSHAFT GEAR RETAINING BOLTS SHEARED. LOSS OF DRIVE TO GOVERNOR.Dec 12, 2005 · Beech 58SDR AU510002149Piston · damagedNR 3 CYLINDER SEVERELY DAMAGED. INVESTIGATION CONTINUING.Dec 12, 2005 · Cirrus SR20SDR AU510002073Crankshaft · faulty(AUS) CRANKSHAFT REMOVED AND REPLACED DUE TO APPLICABILITY WITH AD AND SB 566. (AD/SB DESC: SB 566 AND AD/LYC/112 ) (CASA NR 510002073)Dec 12, 2005 · Gippld GA8SDR AU510002033Tube · looseOIL TRANSFER TUBE LOOSE IN CRANKSHAFT. SUSPECT POOR QUALITY OF FLARING. INVESTIGATION FOUND TWO OTHER CRANKSHAFTS WITH THE SAME PROBLEM.Dec 12, 2005SDR AU510001995Camshaft · wornRT ENGINE METAL CONTAMINATION. INVESTIGATION FOUND CAMSHAFT LOBE FOR INLET VALVE ON NR 5 AND NR 6 CYLINDERS FAILED/WORN.Dec 12, 2005 · Piper PA31350SDR AU510001911Gear · damaged(AUS) ENGINE CRANKSHAFT GEAR MISSING TEETH. SUSPECT CAUSED BY A PIECE OF METAL FROM THE STARTER ADAPTER GEAR JAMMING IN THE GEAR TEETH. METAL CONTAMINATION OF ENGINE. (CASA NR 510001911)Dec 12, 2005 · Cessna 421CSDR AU510001908Cam Follower · failed(AUS) ECI PNO 72877R CAM FOLLOWERS FAULTY. LIFTERS ARE BADLY WORN AND CAMSHAFT LOBES DAMAGED. ENGINES FITTED WITH THIS PN LIFTERS INCLUDE MFG TIO540J2BD AND O320D2J MODELS. (MATERIAL - ORGANIZATIONAL ) (CASA NR 510001908)Dec 12, 2005SDR AU510001816Stud · brokenRT ENGINE NR 5 CYLINDER HOLD-DOWN STUDS (2OFF) BROKEN OFF FLUSH WITH THE CYLINDER BASE.Dec 12, 2005 · Cessna 404SDR AU510001792Piston Ring · delaminated(AUS) ENGINE PISTON TOP COMPRESSION RINGS EXHIBITED SLIGHT SIGNS OF DELAMINATION. ENGINE OIL VERY DIRTY. PREMATURE WEAR ALSO FOUND ON EXHAUST VALVE ROTATING CAPS. (CASA NR 510001792)Dec 12, 2005 · Beech 76SDR AU510001711Piston Ring · deterioratedNR 2 CYLINDER PISTON TOP COMPRESSION RING PLASMA COATING DELAMINATING. TOP RINGS ON ALL OTHER PISTONS SHOWING SIGNS OF DELAMINATION BEGINNING TO OCCUR.Dec 12, 2005 · Socata TB10TOBAGOSDR AU510001695Bearing · damagedENGINE METAL CONTAMINATION. BULK STRIP FOUND THAT THE TWO REARMOST MAIN BEARINGS WERE DAMAGED. INSPECTION OF THE CRANKSHAFT IN THE VICINITY OF THE TWO REARMOST JOURNALS FOUND CRACKS RUNNING LONGITUDINALLY ACROSS JOURNALS TO THE CRANK.Dec 12, 2005 · Cessna 404SDR AU510001679Piston Ring · delaminatedTOP COMPRESSION RINGS ON ALL PISTONS DELAMINATING.Dec 12, 2005 · Socata TB10TOBAGOSDR AU510001675Bolt · sheared(AUS) NR 2 CYLINDER CONNECTING ROD BIG END BOLT FAILED WITH OTHER BIG END BOLT BENT. NR 2 CYLINDER SEPARATED FROM CRANKCASE. (OTHER CAUSE: MATERIAL - HIGH HOURS ) (CASA NR 510001675)Dec 12, 2005 · Newze FU24954SDR AU510001642Piston Ring · delaminated(AUS) ENGINE CYLINDERS (4OFF) HAD TOP PISTON RINGS DELAMINATING. PLASMA FACE SECTION COMING AWAY FROM BASE MATERIAL. ALL 4 CYLINDERS ALSO HAD EXCESSIVELY WORN EXHAUST VALVE GUIDES AND 2 EXHAUST VALVES REQUIRED REPLACEMENT. (CASA NR 510001642)Dec 12, 2005 · Socata TB10TOBAGOSDR AU510001489Bearing · failed(AUS) ENGINE METAL CONTAMINATION. WORKSHOP STRIP AND INVESTIGATION FOUND NR 2 AND NR 3 MAIN BEARINGS FAILED. BEARING SHELLS BROKE UP CAUSING DAMAGE TO CRANKCASE AND SEVERE DAMAGE TO CRANKSHAFT WITH CRACKING ON JOURNALS. (CASA NR 510001489)Dec 12, 2005 · Cessna 404SDR AU510001486Crankcase · damaged(AUS) CRANKCASE HOLED. LOSS OF POWER IN NR 4 AND NR 6 CYLINDERS. (CASA# 510001486)Dec 12, 2005 · Cessna T210LSDR AU510001447Bolt · broken(AUS) ENGINE INTERNAL DAMAGE. SUSPECT CAUSED BY FAILURE OF NR 5 CONNECTING ROD BOLT OR CONNECTING ROD. INVESTIGATION CONTINUING.Dec 12, 2005 · Cessna 404SDR CA051214002Crankshaft · brokenDURING LAST LEG OF THE DAY, 10 MINUTES FROM LANDING, A WOOSHING NOISE WAS HEARD FROM THE RT ENGINE, OIL PRESSURE, RPM, FUEL FLOW AND VACUUM INDICATIONS FOR THE RT ENGINE WENT TO ZERO. MANIFOLD PRESSURE WENT TO 39". THE ENGINE WAS SHUT DOWN AND PROP FEATHEREDDec 7, 2005 · Rkwell 700SDR CA051221004Crankshaft · separatedCRANKSHAFT FAILED AT THROW BETWEEN NR 2 MAIN JOURNAL (AS NUMBERED BACK TO FRONT) AND NR 4 CRANK PIN. CRACK STARTED AT RADIUS OF MAIN JOURNAL AND PROPAGATED APPROX 70% THROUGH THROW BEFORE SEPARATING. AFTER SEPARATION, THROW BETWEEN NR 3 ROD AND NR 3 MAIN FRADec 6, 2005SDR CA051230003Crankcase · crackedOIL LEAK REAR OIL ACCESS DOOR LT ENGINE. UPON FURTHER INVESTIGATION IT WAS DISCOVERED THAT CRANKCASE WAS CRACKED BETWEEN NR 4 AND NR 6 CYLINDERS. THIS ENGINE ONLY HAD 361.2 TSO. THE CRANKCASE HAD APPROX 5669 HRS SINCE NEW. THIS ENG WAS INSTALLED MAY 03/200Dec 3, 2005 · Piper PA31350
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