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 CA090520003Crankcase · cracked(CAN) AN OIL LEAK WAS NOTED ON THE LT ENGINE. A CRACK WAS FOUND IN THE RT CRANKCASE HALF. THE CRACK WAS LOCATED AFT OF THE ALTERNATOR, FWD OF THE NR 5 CYL, 7TH STUD. THE ENGINE WAS REMOVED FOR REPAIR.SDR 2009FA0000415Crankcase · damagedENGINE CRANKCASE HAS ABOUT A 1.5 INCH HOLE BLOWN OUT OF IT JUST AFT OF NR4 CYLINDER.SDR 2009FA0000463Crankshaft · crackedDURING ANNUAL INSP, OIL WAS FOUND AT FRONT OF ENGINE. FURTHER INVESTIGATION REVEALED A CRACK OF THE CRANKSHAFT AT THE PROP MOUNTING FLANGE. CAUSE HAS NOT BEEN DETERMINED. (K)SDR 2009FA0000460Bolt · brokenPILOT FLEW A NORMAL FLIGHT OF 1.5 HOURS, FOUND OIL CONSUMPTION AT 5.0 QTS. INVESTIGATION FOUND A FOREIGN OBJECT BLOCKING THE TURBO OIL SCAVENGE LINE CHECK VALVE. WHEN AN ATTEMPT WAS MADE TO START THE ENGINE AFTER REPAIR OF THE CHECK VALVE, THE STARTER SPUN FSDR 2009FA0000360Camshaft · worn(1) CAMSHAFT LOBE HAS EXCESSIVE WEAR THE NR 2 LIFTER THAT RIDES ON THE WORN LOBE ALSO WORN PUTTING METAL IN THE OIL FILTER. LOBE AND LIFTER ARE PITTED AND WORN EXCESSIVELY. (K)SDR 2009FA0000359Crankcase · crackedCRANKCASE CRACKED FWD OF THE NR 5 CYLINDER LOWER FRONT HOLD DOWN SFOD. CRANKCASE HAD BEEN REPAIRED AT ANOTHER CYL PREVIOUSLY. (K)SDR 2009FA0000891Crankshaft · brokenRECEIVED ENGINE INTO DISASSY SHOP ON 4/30/09. SMOH: 246.7- POSSIBLY NR 5 CYLINDER NOT TORQUED PROPERLY (MAINTENANCE AFTER O/H). CRANKSHAFT BROKEN AT NR 3 MAIN JOURNAL. M010 CRANK. DAMAGE AT CRANKCASE NR 3 AND NR 4 MAIN BEARING TOWER. FRETTING AT NR 3 TOWESDR H0VC42909Connecting Rod · brokenON APPROACH A LOUD BANG WAS HEARD FROM THE RT SIDE OF THE AIRPLANE. THE RT OIL DOOR ON TOP OF THE ENGINE COWL POPPED OPEN AND OIL WAS SEEN STREAMING FROM THE COWL. AT THE SAME TIME THE ENGINE BEGAN TO RUN ROUGH WITH A NOTICEABLE CHANGE IN INDICATED OIL PRESSUSDR 2009FA0000341Crankshaft · corrodedDURING AN ANNUAL INSP, PROPELLER & CRANKSHAFT PLUG REMOVED TO COMPLY WITH AD 98-02-08. CORROSION ON INSIDE OF CRANKSHAFT FROM PLUG SHOULDER .7500 - 1 INCH AFT. ACCORDING TO THE AD, AFTER INSIDE OF CRANKSHAFT HAS BEEN PAINTED IAW SB505 THERE IS NO LONGER ANSDR 2009FA0000480Piston · failedCYLINDER NR 2 PISTON SKIRT BROKE FROM THE PISTON AND CREATED A METAL CONTAMINATION IN THE ENGINE. (K)SDR CA090414003Crankcase · cracked(CAN) CATASTROPHIC ENGINE FAILURE, WHEN CRANKCASE CRACKED, CAUSED ENGINE TO SEIZE IN FLIGHT.SDR CA091030003Crankcase · cracked(CAN) DURING PRE-FLIGHT INSP, PILOT DISCOVERED OIL BEING SPRAYED UNDER THE OIL SERVICE DOOR IN THE TOP COWLING. MX REMOVED COWLING AND NO VISUAL CLUES SUGGESTED WHERE OIL MIGHT BE SPRAYING FROM. ENG CRANKCASE PRESSURED AND AIR WAS HEARD HISSING FROM THE FRONTSDR KY7A/14401Lifter · brokenLIFTER BODY FAILURE CAUSING DAMAGE TO CAM AND ENGINE CASE.SDR CA090504003Plate · cracked(CAN) AFTER INSP, CAUSE OF FAILURE WAS DUE TO THE PLATE (PN 643629) HOLDING THE REAR COUNTERWEIGHT PINS IN, CRACKING AND FALLING OUT OF PLACE. ONCE PLATE HAS FAILED AND FALLEN OUT OF POSITION, THE COUNTERWEIGHT PIN IS FREE TO DRIFT OUT AND MAKE CONTACT WITH TSDR 2009FA0000797Crankcase · crackedDURING A SCHEDULED INSP AND UPON VISUAL INSP A CRACK IN THE ENGINE CRANKSHAFT CASE WAS DISCOVERED.SDR CA090429004Connecting Rod · fractured(CAN) CATASTROPHIC ENGINE FAILURE IN CRUISE FLIGHT. PROP FEATHERED. ACFT RETURNED TO BASE ON ONE ENG. ENG CASE FOUND SHATTERED AT ACCY SECTION. CRANKSHAFT FOUND FRACTURED AT NR6 CONNECTING ROD BEARING. CAM SHAFT, ALL ROTATING COMPONENTS, AND ENGINE MOUNT DAMAGSDR CA090403002Connecting Rod · worn(CAN) PISTON PIN BUSHING FAILED DUE TO LACK OF LUBRICATION. ENG DISMANTLED AND FAILURE DETERMINED TO BE CASUED BY SEALANT BLOCKING THE PISTON COOLING JET TO NR 2 CYLINDER. THE PROBLEM SEEMED TO BE CAUSED BY THE USE OF EXCESSIVE SEALANT (POSSIBLY LOCKTITE 515) SDR 2009FA0000252Dowel Pin · shearedDOWEL SHEARED IN FLIGHT, THE ACFT WAS A TOTAL LOSS, NO INJURIES TO CREW, BUT WAS CLASSIFIED AS AN INCIDENT. NO PROP STRIKES EVER RECORDED, INCLUDING THE NEW DEFINITION. THE INSURANCE COMPANY REQUESTED THE DOWEL FOR METALLURGY TESTS. GIVEN THE TIMES BETWEEN SDR CA090310009Rod Bearing · broken(CAN) ENG RECEIVED FOR CYL CHANGE, FOUND CAMSHAFT WITH SOME PITS. ON DISASSEMBLY OF ENG TO REPAIR CAMSHAFT FOUND NR 4 CONNECTING ROD BRG SHELL ON ROD END SPLIT IN HALF. OTHER CONNECTING ROD BRG WERE ALSO SHOWING SIGNS OF WEAR. TSN APPROX 1400 HOURS NORMAL TBSDR CA090303006Main Bearing · failed(CAN) LARGE PIECE OF FERROUS MATERIAL FOUND IN OIL PICKUP SCREEN DURING ROUTINE INSP, PIECE IDENTIFIED AS PORTION OF CTR MAIN BRG. ENGINE REMOVED FROM ACFT, DISASSEMBLED, INSP CONFIRMS COMPLETE FAILURE OF NR 2 CTR MAIN BRG. IN CONJUNCTION, CRANKCASE BRG SADDLSDR CA090225003Transfer Tube · cracked(CAN) DURING THE REPAIR OF CORROSION PITTING IN THE CRANKSHAFT BORE, A CRACK WAS DISCOVERED COMING FROM THE CUTOUT ON THE OIL TRANSFER TUBE. THE CRACK APPEARS TO BEGIN AT THE CORNER OF THE CUTOUT PROCEEDING AROUND THE CIRCUMFERENCE OF THE TUBE TOWARD THE OPPOSDR CA090223015Crankshaft · corrodedUPON REMOVAL OF THE EXPANSION PLUG TO FACILITATE SLUG REMOVAL IT WAS DISCOVERED THAT THEIR WAS BUBBLING IN THE PID. BASED UPON PREVIOUS EXPERIENCE WITH THIS PROBLEM ON OTHER AIRCRAFT THE PID COATING WAS REMOVED AND PITTING SIMILAR TO THAT FOUND IN SERVICE BULSDR CA090327006Piston · cracked(CAN) ENGINE TORN DOWN DUE TO PROPELLER STRIKE, CUSTOMER DECIDED TO OVERHAUL ENGINE. PISTON REMOVED FROM CYLINDER AND 2 PISTONS WERE FOUND TO HAVE CRACKS IN PISTON SKIRT. PISTONS AVAILABLE IF REQUIRED.SDR CA090205005Crankcase · crackedOIL LEAKING FROM UPPER REAR CYLINDER HOLD DOWN STUD. THE OIL WAS FOUND TO RUN DOWN THE STUD AND EXIT ONTO THE CYLINDER FINS. OIL LEAK WAS ONLY NOTICED AT HIGHER TEMPS, AREA WOULD STAY CLEAN AT NORMAL RUN-UP CONDITIONS. THIS LEAK IS UNUSUAL AS THE STUD DOES SDR 2009FA0000796Crankcase · crackedDURING A SCHEDULED INSPECTION AND UPON VISUAL INSPECTION A CRACK IN THE ENGINE CRANKSHAFT CASE WAS DISCOVERED.SDR 2009FA0000031Spark Plug · crackedSPARK PLUG INSULATORS CRACKED AND FALLING APART. MULTIPLE PLUGS SHOW SIGNS OF SHORTING IN THE LEAD INSULATOR WELLS, FAILED SPARK PLUG PRESSURE CHECKS. SPARK PLUGS WERE REPLACED 12 MONTHS AGO AND HAVE TOTAL HOURS 380.SDR CA090121005Crankshaft · corroded(CAN) UPON DESLUGING THE INNER BORE OF THE CRANKSHAFT, IT WAS DISCOVERED THAT THE PID COATING HAD BEGUN TO BUBBLE AND CHIP OFF. THE PID WAS REMOVED AND SURFACE CORROSION WAS DISCOVED UNDER THE PID SIMMILAR TO THAT REFERENCED IN AD 980208 AND SB 505B. IT SHOULDSDR CA090112002Crankshaft · corroded(CAN) UPON REMOVAL OF THE EXPANSION PLUG TO FACILITATE SLUG REMOVAL IT WAS DISCOVERED THAT THERE WAS BUBBLING IN THE PID. BASED UPON PREVIOUS EXPERIENCE WITH THIS PROBLEM ON OTHER AIRCRAFT, THE PID COATING WAS REMOVED AND PITTING SIMILAR TO THAT FOUND IN SERVSDR 2009FA0000004Bolt · failedDURING CLIMB TO CRUISE ENGINE MADE A LOUD NOISE AND QUIT RUNNING, ENGINE REMAINED WINDMILLING TO LANDING. VISUAL INSP REVEALED NR 3 CYLINDER ROD BOLT MISSING, ROD CAP EXITED ENG THRU UPPER CASE, NO EVIDENCE OF OIL STARVATION.SDR 2009FA0000029Crankcase · crackedFOUND LT FRONT CRANKCASE CRACKED DURING ROUTINE MX. (K)SDR 2009FA0000028Crankcase · crackedFOUND LT FRONT CRANKCASE CRACKED DURING ROUTINE MX. (K)SDR CA090115009Counterweight · brokenCRANKSHAFT COUNTERWEIGHT EAR FAILED CAUSING COUNTERWEIGHT TO PUNCTURE CRANKCASE.SDR CA081106003Case · cracked(CAN) DURING SCHEDULED MAINT (OIL CHANGE) OIL WAS DISCOVERED LEAKING FROM THE UPPER ENGINE CRANK CASE. FUTHER INSP CONFIRMED A CRACK 3 INCHES LONG BETWEEN CYLINDER NR 2 AND 4. ENGINE WAS REMOVED FOR REPAIR.SDR 2009FA0000795Crankcase · crackedDURING A SCHEDULED INSPECTION AND UPON VISUAL INSPECTION A CRACK IN THE ENGINE CRANKSHAFT CASE WAS DISCOVERED.SDR 2008FA0000899Crankshaft · brokenTHE ENGINE WAS REMOVED DUE TO ABNORMAL NOISE AND ROUGHNESS, UPON TEARDOWN INSP, FOUND THE CRANKSHAFT BROKEN IN TWO AT THE CENTER MAIN BEARING AREA. THE CTR MAIN BRG SHOWED DISTRESS, BUT DID NOT INDICATE ANY LACK OF LUBRICATION. THE CRANKCASE HAD SLIGHT DAMAGSDR CA080927001Piston Ring · broken(CAN) PILOT REPORTED ENGINE ROUGH AT 80 PERCENT RPM. ACFT WAS GROUNDED AND A COMPRESSION CHECK WAS CONDUCTED. CYLINDER 1 WAS FOUND TO HAVE 58/80 PSI. CYLINDER AND PISTON REMOVED AND COMPRESSION RING WAS FOUND CRACKED. PISTON/CYLINDER REPLACED. ACFT RETURNESDR 2008FA0000586Pushrod · cracked(3) PUSHRODS (TT73806) WERE INSTALLED IN THIS ENGINE AND ALL 3 HAD APPROXIMATELY A .3750 INCH VERTICAL CRACK ON BOTH ENDS. CAUSE UNKNOWN - NO RECOMMENDATIONS. (K)SDR 2008FA0000625Bushing · crackedDURING CYLINDER NR 5 REMOVAL TO CORRECT HIGH OIL CONSUMPTION , FOUND CONNECTING ROD PISTON PIN BUSHING CRACKED WITH LARGE PIECE MISSING FROM EDGE. FAILURE IS AS NOTED IN MFG SB SB07-1. REMOVED ALL 6 CYLINDERS FROM ENGINE AND FOUND 4 MORE BUSHINGS CRACKED IN SSDR 2008FA0000624Bushing · crackedDURING CYLINDER NR 2 REMOVAL TO CORRECT CRACKED CYLINDER, FOUND CONNECTING ROD PISTON P/N BUSHING CRACKED WITH LARGE PIECE MISSING FROM EDGE. FAILURE IS AS NOTED IN MFG SB071. REMOVED ALL 6 CYLINDERS FROM ENGINE AND FOUND 4 MORE BUSHINGS CRACKED IN SAME LOCATSDR 2009FA0000794Crankcase · crackedDURING A SCHEDULED INSP AND UPON VISUAL INSP A CRACK IN THE ENGINE CRANKSHAFT CASE WAS DISCOVERED.SDR 2008FA0000908Connecting Rod · failedNR 1 CONNECTING ROD FAILED IN FLT, OFF-AIRPORT LANDING AND SUBSTANTIAL DAMAGE. CONNECTING ROD FAILED SLIGHTLY ABOVE CRANKSHAFT; ROD CAP STILL BOLTED & SAFETIED TO DAMAGED & SEPARATED LOWER PORTION OF CONNECTING ROD. DAMAGE TO CRANKCASE, CRANKSHAFT, & ADDITISDR 2008FA0000591Piston Ring · mismanufacturedENGINE WAS OVERHAULED USING MFG PISTON RINGS ST203P010. AFTER 25.4 HRS, RINGS STILL NOT SEATED AND EXCESSIVE BLOW-BY WAS FOULING PLUGS. REPLACED WITH ANOTHER SET OF ST203P010 AFTER HAVING CYLINDERS REWORKED. AFTER 4.2 HRS, ENGINE WAS OPERATING SO POORLY, DUE TSDR CA080813006Camshaft · worn(CAN) NR 3 AND NR 4 INTAKE LOBE IS ROUNDED OFF AND SUBSEQUENTLY METAL WAS FOUND IN THE OIL FILTER DURING ROUTINE MX.SDR 2008FA0000519Camshaft · wornCAMSHAFT LOBES WORN FROM CORROSION PITS. (K)SDR 2008FA0000518Camshaft · wornCAMSHAFT LOBES WORN EXCESSIVELY FORM CORROSION PITS. (K)SDR CA080910003Cotter Pin · missing(CAN) NO COTTER PINS IN ANY OF THE 8 CON-ROD BOLTS DISCOVERED UPON DISMANTLE FOR PROPELLER STRIKE INSPECTION.SDR CA080815006Connecting Rod · broken(CAN) ENGINE FAILED DUE TO FAILURE OF NR 3-4 CONNECTING RODS. I WAS NOT ABLE TO REMOVE NR 3 OR 4 CYLINDER DUE TO FLANGES BENT OVER ON INSIDE OF CRANK CASE CRANK SHAFT MAY HAVE FAILED. FOR FURTHER INFO CONTACT: FRANK FILIONSDR EHS2008F00000Piston · burnedWHILE FLYING A FIRE MISSION IN SUPPORT OF USFS, THE PILOT NOTICED THE RT ENG OIL PRESSURE FLOWLY STARTING TO DECREASE. THE DECISION WAS MADE TO RETURN TO THE AIRPORT. AS OIL PRESSURE CONTINUED TO DECREASE, THE DECISION WAS MADE TO SHUTDOWN, FEATHER, AND SECUSDR YJV2009F00000Connecting Rod · brokenENGINE VIBRATING, HIGH OIL TEMP AND LOW OIL PRESSURE. POST FLIGHT FOUND NR 2 CONNECTING ROD BROKEN. (K)SDR CA080626002Main Bearing · failed(CAN) ACFT WAS IN CRUISE FLIGHT WHEN PILOT NOTICED OIL TEMP ON NR1 ENGINE INCREASING. A PRECAUTIONARY SHUTDOWN WAS INITIATED ENGINE FEATHERED ACFT RETURNED AND LANDED WITH NO EVENT. INVESTIGATION FOUND THE MAIN OIL SCREENS CONTAMINATED (SUSPECT MAIN BRG FAILU
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