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.
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
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 2006FA0000576Nut · splitTHRU STUD NUT SPLIT ON NR 4 CYLINDER TOP THRU STUD. (K)SDR 2006FA0000762Crankshaft · separatedCRANKSHAFT FLANGE SEPARATED FROM CRANK AT THE LIGHTENING HOLES. AVOID GYROSCOPIC AEROBATICS USING A CRANKSHAFT FLANGE WITH LIGHTENING HOLES. (K)SDR 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 RUNNISDR 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. SDR 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. SUSPECSDR 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 HOUSINGSDR 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 FRSDR 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)SDR 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.SDR 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)SDR 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 RECORSDR 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 THSDR CA060421021Crankshaft · corrodedCORROSION FOUND UNDER PID FWD ID.SDR CA060421020Crankshaft · corrodedCORROSION FOUND UNDER PID AT FWD ID.SDR CA060421019Crankshaft · corroded(CAN) FWD INNER DIA CRANKSHAFT CORRODED BEYOND LIMITS IAW AWD 98-02-08. (TC NR 20060421019)SDR 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 SECUSDR CA060221012Camshaft · spalledSPALLING ON CAM AND LIFTERS.SDR 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 SDR 2006FA0000183Piston · damagedALL 6 PISTON SKIRTS HITTING CASE. ALL PISTON DAMAGE BEYOND REPAIR. (K)SDR 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)SDR 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)SDR 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 ENGASDR 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 REMSDR 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 PSDR 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)SDR 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)SDR 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.SDR 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 DSDR 2005FA0001635Crankcase · failedLT CRANKCASE MAIN BEARING SADDLE FAILURE. THIS ENGINE MADE IT TO TBO BUT WASN`T GOING TO GO VERY MUCH LONGER. (K)SDR 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.SDR AU510002188Bolt · shearedCRANKSHAFT GEAR RETAINING BOLTS SHEARED. LOSS OF DRIVE TO GOVERNOR.SDR AU510002149Piston · damagedNR 3 CYLINDER SEVERELY DAMAGED. INVESTIGATION CONTINUING.SDR 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)SDR AU510002033Tube · looseOIL TRANSFER TUBE LOOSE IN CRANKSHAFT. SUSPECT POOR QUALITY OF FLARING. INVESTIGATION FOUND TWO OTHER CRANKSHAFTS WITH THE SAME PROBLEM.SDR AU510001995Camshaft · wornRT ENGINE METAL CONTAMINATION. INVESTIGATION FOUND CAMSHAFT LOBE FOR INLET VALVE ON NR 5 AND NR 6 CYLINDERS FAILED/WORN.SDR 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)SDR 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)SDR AU510001816Stud · brokenRT ENGINE NR 5 CYLINDER HOLD-DOWN STUDS (2OFF) BROKEN OFF FLUSH WITH THE CYLINDER BASE.SDR 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)SDR 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.SDR 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.SDR AU510001679Piston Ring · delaminatedTOP COMPRESSION RINGS ON ALL PISTONS DELAMINATING.SDR 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)SDR 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)SDR 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)SDR AU510001486Crankcase · damaged(AUS) CRANKCASE HOLED. LOSS OF POWER IN NR 4 AND NR 6 CYLINDERS. (CASA# 510001486)SDR AU510001447Bolt · broken(AUS) ENGINE INTERNAL DAMAGE. SUSPECT CAUSED BY FAILURE OF NR 5 CONNECTING ROD BOLT OR CONNECTING ROD. INVESTIGATION CONTINUING.SDR 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 FEATHEREDSDR 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 FRASDR 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 03/200
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