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 AUS20030535Crankcase · damaged(AUS) MAGNETO DRIVE GEAR SLEEVES INCORRECT FIT. SLEEVES SHEARED DOWELS AND REVOLVED IN CRANKCASE CAUSING METAL CONTAMINATION OF ENGINE OIL.SDR CA030703012Crankcase · cracked(CAN) CRACK DISCOVERED ON THE CRANKCASE. THE CRACK WAS IN THE SAME AREA AS A PREVIOUS WELD REPAIR.THE ENGINE WAS REPAIRED (NEW CRANKCASE AND NEW CRANKSHAFT). DURING THE REPAIR THE COUNTERWEIGHT PINS WERE FOUND CORRODED.SDR AUS20030540Main Bearing · delaminated(AUS) METAL CONTAMINATION OF ENGINE OIL SYSTEM RESULTED IN BULK STRIP AND INSPECTION OF ENGINE. INSPECTION FOUND LOSS OF BEARING MATERIAL FROM THE FRONT MAIN BEARING AND DELAMINATION OF METAL FROM THE OTHER MAIN AND BIG END BEARINGS.SDR RE401338Lifter · chipped732 HRS TOTAL TIME, 622 HRS TIME SINCE OVERHAUL DUE TO PROP STRIKE. DURING ANNUAL INSPECTION OF AIRCRAFT, NUMBER 3 CYLINDER WAS REMOVED FOR LOW COMPRESSION 10/80. FOUND METAL, STEEL, ON SKIRT OF CYLINDER. NOTED VISUALLY THAT CAM WAS WORN DOWN IN CONTACT ARSDR 2003FA0000486Crankcase · crackedTWO ONE INCH CRACKS WERE FOUND ON THE FORWARD, RT SIDE OF THE ENGINE CRANKCASE. THE CRACKS ARE LOCATED AROUND THE FRONT ALTERNATOR MOUNTING BRACKET. TOP REAR CASE THROUGH BOLT. THIS IS THE THIRD AIRCRAFT WER ARE DOING AN ENGINE CHANGE ON WITH THIS DISCREPANSDR CA030529001Crankshaft · broken(CAN) DURING CRUISE FLIGHT, THE RT ENGINE STOPPED. THE PILOTS TRIED TO RESTART THE ENGINE WITHOUT SUCCESS. WHILE SEARCHING THE CAUSE OF THE ENGINE STOPPAGE, WE DISCOVERED THAT THE VALVES WERE NOT WORKING. WE REMOVED THE ENGINE AND SENT IT FOR OVERHAUL, ON DISSDR AUS20030524Bearing · faulty(AUS) REAR MAIN BEARING SURFACE SEPARATED FROM BEARING SHELL.SDR CA030514013Crankcase · leaking(CAN) DURING A 50 HOUR INSPECTION, THE ENGINEERS NOTICED AN OIL LEAK. THEY CLEANED THE ENGINE AND SPRAYED IT WITH A DEVELOPER. AFTER PERFORMING A GROUND RUN ON THE ENGINE, A CRACK WAS DISCOVERED IN THE CRANKCASE. THIS CRACK WAS ABOUT 6 INCHES LONG AND LOCATED SDR AUS20030459Bushing · failed(AUS) NR 4 CYLINDER CONNECTING ROD FAILED. ENGINE SEVERELY DAMAGED. METAL CONTAMINATION OF OIL SYSTEM. INVESTIGATION FOUND CONNECTING ROD LITTLE END BUSH FAILED. ALL OTHER LITTLE END BUSHES EXHIBITED SIGNS OF CRACKING AND UNUSUAL WEAR PATTERNS.SDR CA030423005Piston · broken(CAN) RT ENGINE OIL PRESSURE PROBLEMS WERE NOTICED DURING ENGINE RUN-UP. NR 2 CYLINDER PISTON WAS F OUND CRACKED AND THE LOWER SKIRT OF PISTON FOUND IN OIL PAN. CYLINDERS WERE REMOVED & ENGINE INSPECTED. REMOVAL OF CYLINDERS & PISTONS REVEALED OTHER CRACKED PSDR CA030417009Bearing · failed(CAN) DURING A LOCAL TRAINING FLIGHT THE RT OIL TEMP WAS NOTICED TO BE ON THE RISE. THE OIL COOLER WAS OPENED HOWEVER THE TEMP CONTINUED TO RISE. A SHORT TIME LATER THE OIL PRESSURE BEGAN TO DROP ACCOMPANIED BY BLACK SMOKE FROM EXHAUST. ENGINE WAS SHUT DOWNSDR JUJ2003F00000Seal · inoperativeENGINE WAS TROUBLE SHOT DUE TO EXCESS OIL LOSS. EXAMINATION FOUND THE CRACKSHAFT SEAL TO BE PARTIALLY UNSEATED, ALLOWING OIL TO FLOW PAST AND OUT OF THE ENGINE. UPON FURTHER EXAMINATION, THE ENGINE WAS FOUND TO EXHIBIT AN UNUSUALLY HIGH AMOUNT OF CRANKCASE PSDR CA030703011Crankcase · cracked(CAN) DURING INSPECTION A CRACK WAS DISCOVERED.SDR AUS20030446Crankshaft · cracked(AUS) CRANKSHAFT CRACKED RADIALLY IN AREA LOCATED BEHIND THE PROPELLER FLANGE. CRACK LENGTH APPROXIMATELY 50.8MM (2IN).SDR CA030605018Case · cracked(CAN) DURING MAINTENANCE TO FIND SOURCE OF OIL LEAK ON ENGINE IT WAS FOUND THAT THE REAR ENGINE CASE WAS CRACKED. THE REAR ENGINE CASE WAS CRACKED AT LEFT MAGNETO PAD WHICH HAS ENGINE OIL RUNNING UNDER IT, THIS CAUSED THE OIL LEAK. ENGINE WAS REMOVED AND REAR SDR IKDC2003001Crankshaft · brokenWHILE CRUISING AT 6500 FT, THE ENGINE MOMENTARILY RAN ROUGH AND QUIT, NO WARNING INDICATIONS. THE AIRCRAFT SUCCESSFULLY LANDED ON A ROAD WITH NO INJURIES OR DAMAGE. AFTER LANDING, IT WAS NOTED THAT THE PROPELLER COULD NOT BE ROTATED. THE SUBSEQUENT ENGINE SDR 2003F00283Gear · brokenREMOVED RIGHT INOPERATIVE ALTERNATOR FOR REPAIR AND NOTED. CRANKCASE DAMAGED, ALTERNATOR FACE GEAR, BROKEN AND LOOSE. FACE GEAR ATTACH BOLTS, DAMAGED AND LOOSE. (M)SDR AUS20030418Crankcase · cracked(AUS) CRANKCASE CRACKED BEYOND REPAIR AT LH CENTRE CAM JOURNAL BEARINGBASE. CRACK RUNS ACROSS THE JOURNAL SURFACE AND THEN DOWN FOR APPROXIMATELY 76.2MM (3IN) BEFORE TRAVELLING FOR ANOTHER 76.2MM (3IN) REARWARDS. SUMP INDUCTION TUBES LOOSE. THREE CYLINDERS CRASDR AUS20030414Bearing · delaminated(AUS) NR 5 CONNECTING ROD BEARING DELAMINATED. AREA OF DELAMINATION APPROXIMATELY 8MM BY 2MM (0.314IN BY 0.078IN).SDR CA030523004Crankcase · cracked(CAN) AT INSPECTION OIL LEAKAGE WAS OBSERVED FROM RIGHT ENGINE. AFTER CLEAN UP AND FURTHER INVESTIGATION A 1.25 FT CRACK WAS FOUND STARTING AT A CRANK CASE SEAM BOLT CLOSE TO THE STARTER AREA. AIRCRAFT WAS GROUNDED AND AN OVERHAULED ENGINE INSTALLED.SDR CA030328001Crankshaft · corroded(CAN) UPON INSPECTION FOR AD 98-02-08 INTERNAL CORROSION. LIGHT SURFACE CORROSION WAS FOUND, WHEN LOG BOOKS CHECKED IT WAS FOUND THAT LYCOMING HAD SIGNED OFF SB530 WHICH A COATING THAT TERMINATES INSP. LYCOMING HAS BEEN CONTACTED AND CORRECTING THE PROBLEM. TSDR AUS20030345Bearing · worn(AUS) CONNECTING ROD BIG END BEARING WORN EXCESSIVELY.SDR 2003FA0000301Crankcase · cracked(STC SA4529NM 3 BLADE HARTZELL) AT 777 TSO OF THE ENGINE, THE CRANKCASE WAS FOUND CRACKED THROUGH THE NR 2 CYLINDER MOUNTING PAD AREA AND LEAKING OIL. THE CASE WAS NOT REPAIRABLE. THIS IS THE 2ND TIME THIS AIRCRAFT ENGINE PROPELLER COMBINATION HAS CRACKED A SDR CA030605004Connecting Rod · fractured(CAN) THE CAUSE OF THE ENGINE FAILURE WOULD BE DUE TO NR 4 CONNECTING ROD BOLTS FRACTURING AT THE CRANKSHAFT JOURNAL. WITH THIS HAPPENING IT BECOMES DISCONNECTED & COMPLETELY DESTROYES THE CRANKCASE IN THATAREA AND PUSHES THE NR 4 CYLINDER OFF OF IT'S BASES PUSDR 2003FA0000409Bearing · wornFOUND BEARING MATERIAL IN OIL SUCTION SCREEN. REMOVED CYLINDERS AND FOUND CYLINDER NR 2 CONNECTING ROD BEARING FAILING BY LAMINATIONS PICKING LOOSE ON INSIDE DIAMETER. THIS IS THE SAME CONDITION FOUND DURING REPLACEMENT OF ROD BEARINGS UNDER MFG SA 59-800 WISDR CA030214003Bushing · cracked(CAN) DURING INSPECTION OF AN ENGINE IN FOR CRANKCASE REPAIR AND AD 2002-20-51, 4 OUT OF 6 CONNECTING ROD BUSHINGS WERE FOUND CRACKED OR BROKEN. SOME BUSHINGS HAD ROTATED IN THE CONNECTING ROD, PROBABLY AFTER CRACKING.NO HISTORY OF OVERBOOST, OVERSPEED, OR DETSDR YBN2003F00000Bearing · delaminatedNR 2 CONNECTING ROD BEARING WAS FOUND TO BE DELAMINATING. THE PROBLEM WAS DISCOVERED DURING A PRELIMINARY INSPECTION DURING AN OVERHAUL. TOTAL TIME IN SERVICE WAS 3480 HOURS. THE BEARINGS IN THE OTHER CONNECTING ROD LOCATIONS APPEARED TO HAVE NORMAL WEAR FOSDR CA030409005Crankcase · damaged(CAN) AT INSPECTION A SMALL AMOUNT OF ALUMINIUM WAS FOUND IN THE OIL FILTER. CYLINDERS WERE REMOVED FROM THE ENGINE TO INVESTIGATE THE SOURCE OF THE FILTER CONTAMINATION. IT WAS FOUND THAT THE NR 2 MAIN BEARING HAD SHIFTED FORWARD AND WAS LOOSE CAUSING WEAR INSDR AUS20030101Seal · deteriorated(AUS) CRANKSHAFT SEAL DETERIORATED AND LEAKING. CONTAMINATION OF STARTER AND ALTERNATOR.SDR 8627Bearing · failedIN CRUISE FLIGHT ENGINE STARTED TO DEVELOP A VIBRATION. ENGINE THEN STARTED TO LOSE OIL PRESSURE. ENGINE WAS SHUT DOWN AIRCRAFT DIVERTED. FOUND OIL LEAKING AT FRONT NOSE CASE AT CRANKSHAFT. SUSPECT FRONT MAIN BEARING FAILURE AND FRONT SEAL FAILURE. SOME METAL SDR DYVA0001Crankcase · crackedDURING ROUTINE INSPECTION. CRACK IN CRACKCASE AT GEAR REDUCTION HOUSING. ENGINE REMOVED FOR REPAIR. CRACK LENGTH 1 INCH. SEEPING OIL. NDT VERIFIED CRACK.SDR 2003FA0000099Crankshaft · damagedTHIS CRANKSHAFT ALONG WITH FOUR OTHERS OF SAME KIND AND AGE, HAVE EXTREMELY HEAVY GRAINULAR INDICATIONS ON JOURNALS, RADII, FLANGE RADIUS AND SEAL SURFACE WHEN VIEWED UNDER MAGNETIC PARTICLE INSPECTION, WET METHOD. THESE INDICATIONS ARE EXTREMELY RARE WITH CRASDR 2003FA0000098Crankshaft · damagedTHIS CRANKSHAFT ALONG WITH FOUR OTHERS OF SAME KIND AND AGE, HAVE EXTREMELY HEAVY GRAINULAR INDICATIONS ON JOURNALS, RADII, FLANGE RADIUS AND SEAL SURFACE WHEN VIEWED UNDER MAGNETIC PARTICLE INSPECTION, WET METHOD. THESE INDICATIONS ARE EXTREMELY RARE WITH CRASDR CA030131002Crankshaft · corroded(CAN) CORROSION FOUND UNDERNEATH URETHABOND COATING APPLIED IN ACCORDANCE WITH SB 505B, SB 530A, & AD 98-9SDR 2003FA0000132Crankshaft · brokenAIRCRAFT MADE EMERGENCY LANDING AFTER ENGINE FAILURE. INVESTIGATION FOUND THAT THE ENGINE CRANKSHAFT HAD BROKEN BETWEEN CYLINDERS TWO AND THREE.SDR CA030129003Camshaft · damaged(CAN) THE ENGINE HAD 6 HOURS TTSO. THE PILOTS NOTICED AN ENGINE VIBRATION, AND STARTING WAS BECOMING EVER MORE DIFFICULT. THE AME THEN PROCEEDED IN REPLACING THE TWO MAGNETOS AND THE CARBURETOR. AFTER A FEW HOURS OF FLIGHT THE PROBLEM PERSISTED. THE AME THEN CSDR CA030127004Crankshaft · corroded(CAN) CORROSION FOUND UNDERNEATH URETHABOND COATING APPLIED IN ACCORDANCE WITH SB 505B, SB 530A AND AD 998-02-08. URETHABOND COATING IS APPLIED TO PREVENT CORROSION, BUT AS IN MOST CASES, IT DID NOT.SDR AUS20030028Bearing · failed(AUS) NO4 MAIN BEARING FAILED. BEARING MATERIAL MISSING FROM BEARINGSHELL. AREA OF MISSING MATERIAL APPROXIMATELY 15MM BY 10MM(0.59IN BY 0.39IN). A SMALLER AREA OF BEARING MATERIAL WAS ALSO FOUND MISSING FROM NO3 MAIN BEARING SHELL. THE AREA OF BEARINGMATERIALSDR 021081Crankcase · crackedON 28 DEC 2002, AEROSTAR N6902T LANDED AT OAJ WITH NR 2 (RT) ENGINE SHUTDOWN AND PROPELLERS FEATHERED. THE PILOT STATED THAT DURING FLIGHT, HE NOTICED A DROP IN OIL PRESSURE AND SHUTDOWN THE ENGINE. PRIOR TO SHUTDOWN, THE PILOT STATED THAT ALL OTHER INDICATISDR I8P2003F00000Rod Bearing · delaminatedDURING ROUTINE OIL CHANGE METAL FOUND IN OIL FILTER. METAL FOUND TO BE BEARING MATERIAL COMING FROM CONNECTING ROD BEARING PREMATURE FAILURE. BEARING MATERIAL IS DELAMINATING. CONNECTING ROD BEARING MANUFACTURE DATES ARE (ML-KS 2-9A AND 3-99) MANUFACTURING SDR RAQ2003F00000Bearing · failedREAR MAIN BEARING FAILED IN ENGINE BY THE BEARING CAGES DISINTEGRATE. UPON DISASSEMBLY IT WAS FOUND THAT THE BEARING, ONE IGNITION GEAR, AND THE GENERATOR DRIVE PINION WERE HIGHLY MAGNETIZED. THE ENGINE IS EQUIPPED WITH AN ALTERNATOR IN PLACE OF THE ORIGINALSDR CA030116004Seal · blown(CAN) FRONT CRANKSHAFT SEAL BLOWN OUT DUE TO FROZEN ENGINE VENT LINE CANISTER. VENT SYSTEM PURGED AND CLEANED CRANKSHAFT SEAL RESEATED. ENGINE RUN-UP AND OIL FILTERS SERVICEABLE (NO METAL).SDR CA030107013Crankcase · cracked(CAN) WHILE CONDUCTING A DAILY INSPECTION, IT WAS NOTED THAT THE RT ENGINE NACELLE WAS FULL OF OIL. WITH THE COWLING REMOVED AN INSPECTION OF THE ENGINE WAS CARRIED OUT. A CRACK WAS FOUND ON THE RIGHT SIDE OF THE CRANKCASE AT THE FORWARD CYLINDER, LOWER FORWARSDR 2003FA0000018Main Bearing · failedAFTER TEST CELL RUN, ENGINE OIL WAS DRAINED AND THE SUCTION SCREEN AND FILTER WAS CHECKED. A ABNORMAL AMOUNT OF ALUMINUM WAS FOUND. UPON DISASSEMBLY, IT WAS FOUND THAT THE FRONT BEARING HAD FAILED AT THE NR 2 JOURNAL. THE METAL APPEARED TO HAVE DELAMINATEDSDR 2003FA0000010Bearing · delaminatedBEARING DELAMINATED PART DEFECT REQUEST PART BE ANALYSED BY MANUFACTURER OR FAA.SDR CA030103019Bolt · sheared(CAN) PILOT WAS IN CRUISE FLIGHT WHEN HE FELT A SURGE IN POWER ON THE LT ENGINE AND SUDDEN LOSS OF RPM, ATTEMPTED TO SWITCH TANKS AND NOTHING HAPPENED, FEATHERED PROP AND SHUT ENGINE DOWN. PILOT FLEW TO AIRPORT AND LANDED SAFELY ON RT ENGINE. AN ENGINE RESTARTSDR NACA20020060Cam · damagedNR 2 ENGINE FEATHER DUE TO NR 17 CYLINDER DOUBLE SHORTED SECONDARY. DURING INSPECTION FOUND FRONT CAM DAMAGE.SDR CA021213007Crankcase · cracked(CAN) CRANKCASE APPEARED TO BE LEAKING OIL ABOVE AND BETWEEN NR 1 AND 3 CYLINDERS. CLEANING AREA AND RUNNING SHOWED MORE OIL COMING FROM THIS AREA. ENGINE COOLING SHROUD WAS REMOVED AND REVEALED A 3 INCH CRACK IN CASE. CASE WAS REPLACED WITH NEW AND ENGINE RETSDR 2002FA0001293Crankcase · crackedAIRCRAFT WAS SQUAWKED FOR OIL LEAKING FROM COWL. UPON INSPECTION THE LEAK WAS DETERMINED TO BE COMMING FROM A CRACK ON TOP OF ENGINE UNDER COOLING SHROUD. (COOLING SHROUD HAS TO BE REMOVED TO INSPECT THIS AREA) THE CRACK WAS APPROXIMATLY 3 INCHES AND IS ORINSDR NACA20020056Case · making metalNR 4 ENGINE LOSS OF BMEP AND LOSS OF OIL QUANTITY. REPLACED NR 4 ENGINE DUE TO HIGH METAL CONTENT FOUND IN FRONT ACCESSORY SECTION.
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