Continental IO-520-F

Service difficulty reports · 751

Newest first. General aviation reporting is voluntary.

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 engine_model_key = 'IO520F'
  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 PNB2011F00002Cylinder · crackedDURING A 100 HR INSPECTION DISCOVERED BLOWBY BETWEEN FINS ON INTAKE SIDE OF THE CYLINDER. THE CYLINDER WAS REMOVED AND FOUND TO BE CRACKED BETWEEN INTAKE VALVE SEAT AND SPARK PLUG HOLE. THIS IS THE 4TH CYLINDER THIS YEAR WITH ALMOST IDENTICAL CRACKS.May 23, 2011 · N70437 · Cessna 207A · Reciprocating Engine Cylinder SectionSDR O592011F00000Cylinder · crackedLOW COMPRESSION NR2 CYLINDER ON 100 HR INSPECTION. FOUND BLOW-BY COMING AROUND FINS IN THE HEAD. CYLINDER WAS CRACKED BETWEEN SPARK PLUG HOLE AND INTAKE VALVE. ALL PREVIOUS COMPRESSION CHECKS WERE IN THE 70/60 RANGE.May 3, 2011 · N910TA · Cessna U206G · Reciprocating Engine Cylinder SectionSDR O592011F00001Cylinder · crackedNR 1 CYLINDER WAS FOUND CRACKED BETWEEN SPARK PLUG HOLE AND INTAKE VALVE. THIS IS THE 2ND CYLINDER WITH SIMILAR CRACK.May 3, 2011 · N70437 · Cessna 207A · Reciprocating Engine Cylinder SectionSDR PNB2011F00000Cylinder · crackedFOUND NR 1 CYLINDER CRACKED BETWEEN SPARK PLUG HOLE AND THE INTAKE VALVE. THIS IS THE 3RD CYLINDER FOUND WITH THIS SIMILAR CRACK. (END)May 3, 2011 · N4615X · Cessna U206G · Reciprocating Engine Cylinder SectionSDR PNB2011F00001Cylinder · crackedFOUND NR 1 CYLINDER CRACKED BETWEEN SPARK PLUG HOLE AND THE INTAKE VALVE. THIS IS THE 2ND CYLINDER FOUND WITH THIS SIMIALR CRACK.May 3, 2011 · N70437 · Cessna 207A · Reciprocating Engine Cylinder SectionSDR PNB2011F00005Cylinder · crackedLOW COMPRESSION NR2 CYLINDER ON 100HR INSPECTION. FOUND BLOWBY COMING AROUND FINS IN THE HEAD. CYLINDER WAS CRACKED BETWEEN SPARK PLUG HOLE AND INTAKE VALVE. ALL PREVIOUS COMPRESSION CHECKS WERE IN THE 70/60 RANGE.May 3, 2011 · N910TA · Cessna U206G · Reciprocating Engine Cylinder SectionSDR 2011FA0000278Points · crackedACFT WAS DISCOVERED TO HAVE AN INOPERATIVE LT MAGNETO DURING A PILOT OPERATED ENG RUN. TROUBLESHOOTING FOUND THE FLAT SPRING PORTION OF THE CONTACT POINT ASSY HAD CRACKED THROUGH APPROX HALFWAY ALONG THE LENGTH OF THE SPRING AND ACROSS ITS ENTIRE WIDTH. THE Apr 18, 2011 · N9861Z · Cessna U206G · Magneto/DistributorSDR CA110330003Alternator · inoperative(CAN) NO OUTPUT FROM ALTERNATOR. ALTERNATOR REPLACED.Mar 17, 2011 · Cessna U206G · AC Generator-AlternatorSDR 2011FA0000174Plug · failedTHE ENGINE WAS REMOVED FROM THE ACFT AT ENG TT 2157.4 (AIRFRAME TT 4652.7) FOR REPAIR DUE TO LOW OIL PRESSURE. THE CRANKSHAFT PN 64134, SN 109903N WAS SENT TO MFG FOR ULTRASONIC INSP, BALANCE, POLISHED AND RECERTIFIED. THE CRANKSHAFT WAS RETURNED BY MFG AS SFeb 23, 2011 · N9489Z · Cessna U206G · Reciprocating Engine Oil SystemSDR PNYA20110216001Crankshaft · brokenCRANKSHAFT BROKE IN FLIGHT BETWEEN NR 3 & 4 CYLINDERS FORCING AN UNSCHEDULED LANDING.Feb 16, 2011 · N70076 · Cessna 207A · Reciprocating Engine Power SectionSDR CA110214023Elt · false activationA REOCCURANCE TO THE SAME REPORT ON SDR 20110204008. THE ELT AGAIN INADVERTENTLY ACTIVATED IN FLIGHT. THE REASON FOR THE ACTIVATION WAS POOR WIRING AT THE REMOTE SWITCH IN THE COCKPIT. THE POOR WIRING WAS A RESULT OF POOR STANDARDS USED DURING INSTALLATION. SFeb 8, 2011 · Cessna U206G · Emergency Locator BeaconSDR CA110107007Hub · crackedUPON LPI OF HUB, FOUND A CRACK 1 1/2 INCHES LONG RUNNING FROM ONE STUD HOLE TO ONE DOWEL HOLE ON THE MOUNTING FLANGE.Jan 6, 2011 · Cessna U206F · Propeller Hub SectionSDR CA110103007Fitting · disconnectedWHILE INSPECTING TANK FOR A SUSPECTED LEAK, IT WAS NOTED THAT THE FUEL FILLER FITTING ON THE INBOARD FILLER HAD BECOME DETACHED FROM THE TANK. A WHITE FLAKEY RESIDUE WAS OBSERVED INSIDE THE TANK AND IS SUSPECTED OF BEING THE GLUE USED TO BOND THE METAL FITTINGDec 20, 2010 · Cessna U206F · Fuel StorageSDR CA101213007Mount · damaged(CAN) DURING UNSCHEDULED MAINTENANCE INSPECTION, IT WAS NOTED THAT THE ENGINE MOUNT BULKHEADS WERE WORKING. THE ENGINE MOUNTS WERE REMOVED AND IT WAS OBSERVED THAT BOTH THE LH AND RH KEEL BULKHEAD SKINS WERE SHATTERED FROM YEARS OF WORK HARDENING. THERE IS CDec 13, 2010 · Cessna U206G · Engine Mount SectionSDR EPUA2010F00227Drive Assy · seizedTACH DRIVE PORTION OF OIL PUMP SEIZED. WE HAVE HAD 4 OF THESE FAILURES IN THE PAST 6 MONTHS.Oct 21, 2010 · N73067 · Cessna 207A · Reciprocating Engine Oil SystemSDR CA101230004Indicator · failedON A FLIGHT, IT WAS NOTICED THAT THE TURN COORDINATOR HAD FAILED. THE INSTRUMENT WAS REPLACED AND NO FURTHER INCIDENT PREVAILED.Oct 5, 2010 · Cessna U206F · Turn and Bank/Rate of Turn IndicatorSDR CA100924003Bulkhead · crackedDURING A ROUTINE 200 HR INSP, WHILE INSPECTING THE RT WING ROOT AREA, IT WAS NOTED THAT THE RT WING ROOT BULKHEAD ABOVE THE CO-PILOTS DOOR HAD SEVERAL CRACKS RUNNING IN ALL DIRECTIONS. WHEN THE RT WING TIP WAS MOVED UP OR DOWN OR FORE AND AFT, THIS CAUSED THE Sep 8, 2010 · Cessna U206F · Wing, Rib/BulkheadSDR ENE2010F00000Bearing · seizedACFT ENGINE STARTED RUNNING ROUGH IN CRUISE FLIGHT. PILOT MADE A PRECAUTIONARY BEACH LANDING. TROUBLESHOT, FOUND LT MAG TO BE INOPERATIVE. REMOVED MAG TO BE SEIZED. DISASSEMBLED MAG AND FOUND LOWER BEARING PN M3006 TO BE SEIZED. MAGNETOS WERE APPROX 58 HRSep 3, 2010 · N6405X · Cessna U206G · Magneto/DistributorSDR CA100902003Cylinder · crackedWHILE DOING COMPRESSION TEST ON INSP, FOUND 3 CYL WITH CRACKS FROM INTAKE VALVE TO SPARKPLUG HOLE.Sep 2, 2010 · Cessna U206G · Reciprocating Engine Cylinder SectionSDR CA100826003Selector · failedTHIS FUEL SELECTOR HAS 3 POSITIONS THAT HAVE DETENTS, LT, RT, AND OFF. IT WAS DETERMINED THAT DURING FUEL MX ON THIS FUEL SELECTOR THAT IF THE SELECTOR IS MOVED JUST OFF OF THE DETENT IN THE LT OR RT POSITION, IT WILL ALSO FEED THE ENGINE FROM THE OPPOSITE TAAug 25, 2010 · Cessna U206E · Fuel Selector/Shut-Off ValveSDR CA100827003Control Cable · deteriorated(CAN) PILOT REPORTED NO WATER RUDDER STEERING. FOUND WATER RUDDER BALANCE CABLE BROKEN. ENTIRE CABLE FOUND SEVERELY RUSTED TO THE POINT OF FAILURE. ALSO FOUND CABLE GUARD/COTTER PINS SEVERELY RUSTED IN THE SAME AREA.Aug 25, 2010 · Cessna U206G · Wheel/Ski/FloatSDR CA100825001Engine · failedIN FLIGHT, PILOT NOTICED OIL PRESSURE INDICATING ZERO, NOT POSITIVE EXACTLY HOW LONG IT HAD BEEN AT ZERO, APPROX 5 MINUTES SINCE HE SCANNED GAUGES LAST, OIL TEMP NORMAL, SHORTLY AFTER NOTICING, THE PROP STARTED SURGING, OIL TEMP STILL SEEMED NORMAL, MANIFOLD PAug 19, 2010 · Cessna U206G · Engine (Reciprocating)SDR CA100730006Contact · brokenMAG RECEIVED FOR WARRANTY CONSIDERATION WITH A SMALL BAG CONTAINING 1 OF THE CONTACT SECTIONS OF THE POINTS. THE MAG WAS UNSERVICEABLE AND HAD BEEN REMOVED BY THE CUSTOMER. THE CONTACT HAD BROKEN AWAY AT THE AREA WHERE IT IS WELDED OR BRAZED TO THE RIVET THAT Jul 27, 2010 · Cessna U206E · Magneto/DistributorSDR 2010FA0000787Cylinder · crackedUPON ENGINE DISMANTLE OR OVERHAUL, 5 OUT OF 6 CYLINDERS HAD CRACKED CYLINDER HEADS. THE CRACKS ORIGINATED AT THE LOWER SPARK PLUG HOLE AND RADIATED OUT AT THE 4 O`CLOCK POSITION FOR APPROX 1 INCH. AFFECTED SN: NR 1- 526-A08-6899. NOTE: THIS INFO WAS SUBMITTJul 2, 2010 · N6470H · Cessna 207A · Reciprocating Engine Cylinder SectionSDR 2010FA0000788Cylinder · crackedUPON ENGINE DISMANTLE OR OVERHAUL, 5 OUT OF 6 CYLINDERS HAD CRACKED CYLINDER HEADS. THE CRACKS ORIGINATED AT THE LOWER SPARK PLUG HOLE AND RADIATED OUT AT THE 4 O`CLOCK POSITION FOR APPROX 1 INCH. AFFECTED SN: NR 2- 526-A08-6901. NOTE: THIS INFO WAS SUBMITTJul 2, 2010 · N6470H · Cessna 207A · Reciprocating Engine Cylinder SectionSDR 2010FA0000789Cylinder · crackedUPON ENGINE DISMANTLE OR OVERHAUL, 5 OUT OF 6 CYLINDERS HAD CRACKED CYLINDER HEADS. THE CRACKS ORIGINATED AT THE LOWER SPARK PLUG HOLE AND RADIATED OUT AT THE 4 O`CLOCK POSITION FOR APPROX 1 INCH. AFFECTED SN: NR 3- 526-A08-6894. NOTE: THIS INFO WAS SUBMITTJul 2, 2010 · N6470H · Cessna 207A · Reciprocating Engine Cylinder SectionSDR 2010FA0000791Cylinder · crackedUPON ENGINE DISMANTLE FOR O/H, 5 OUT OF 6 CYLINDERS HAD CRACKED CYLINDER HEADS. THE CRACKS ORIGINATED AT THE LOWER SPARK PLUG HOLE AND RADIATED OUT A THE 4 O`CLOCK POSITION FOR APPROX 1 INCH. AFFECTED SN: 4/ 526-A08-6893. NOTE: THIS INFO WAS SUBMITTED BY AN Jul 2, 2010 · N6470H · Cessna 207A · Reciprocating Engine Cylinder SectionSDR 2010FA0000792Cylinder · crackedUPON ENGINE DISMANTLE OR OVERHAUL, 5 OUT OF 6 CYLINDERS HAD CRACKED CYLINDER HEADS. THE CRACKS ORIGINATED AT THE LOWER SPARK PLUG HOLE AND RADIATED OUT AT THE 4 O`CLOCK POSITION FOR APPROX 1 INCH. AFFECTED SN: NR 5/ 526-A08-686889. NOTE: THIS INFO WAS SUBMIJul 2, 2010 · N6470H · Cessna 207A · Reciprocating Engine Cylinder SectionSDR CA100616005Case Half · looseDURING A 50 HR INSP, THE ALTERNATOR CASE HALVES WERE FOUND LOOSE. THE THROUGH BOLT LOCKWIRE WAS STILL INTACT. ALTERNATOR TT SINCE O/H WAS 99.7 HRS. THE ALTERNATOR WAS REMOVED AND INSPECTED. NO FURTHER DEFECTS WERE FOUND. THROUGH BOLTS WERE RETIGHTENED ANDJun 14, 2010 · Cessna U206G · AC Generator-AlternatorSDR CA100601001Bungee · failed(CAN) STEERING BUNGEE FOUND VERY WEAK WHEN A/C NEW TO COMPANY BEING INSPECTED FOR ACCEPTANCE ONTO MSA. STEERING BUNGEE REPLACED BECAUSE OF PROBLEMS REPORTED LAST YEAR. IT IS BELEIVED THAT THE WEAK STEERING BUNGEE LEAD TO THE RUDDER CONTACTING THE AFT BULK HEMay 31, 2010 · Cessna U206B · Landing Gear Steering SystemSDR CA100622022Brake Disc · cracked(CAN) BRAKE DICS FOUND CRACKED AND RIPPED OUT AT BOLT HOLES BOTH WHEELS. SDR IS LATE BECAUSE UNKNOWN IF FLIGHT SAFTEY WAS AN ISSUE.May 31, 2010 · Cessna U206F · Landing Gear Brake SystemSDR YAA2010F00001Hose · looseFUEL SUPPLY HOSE FITTING AT FLOW DIVIDER LOOSENED.May 28, 2010 · N6470H · Cessna 207A · Engine Fuel DistributionSDR CA100521006B-Nut · loose(CAN) AIRCRAFT ENGINE WAS REMOVED, OVERHAULED, AND REINSTALLED. ALL FIREWALL FORWARD HOSES WERE REPLACED IN ACCORDANCE WITH CUSTOMERS MSA. ENGINE GROUND RUNS, FUEL SYSTEM SETUP AND LEAK CHECKS WERE CARRIED OUT. NO EVIDENCE OF LEAKS WERE DETECTED. AFTER 48.May 21, 2010 · Cessna U206G · Aircraft Fuel Distribution SystemSDR YAA2010F00002Clock · smokePILOT REPORTS THAT ON FINAL, HE HAD SWITCHED ON THE PANEL LIGHTS AND STARTED HAVING A FAINT SMELL OF SMOKE IN THE CABIN. FIX A SMALL LIGHT FIXTURE THAT ATTACHES TO THE CLOCK HAD WORKED ITS WAY OUT OF ITS RECEPTACLE AND WAS DANGLING BY ITS WIRE AND PERIODICALLApr 27, 2010 · N755AB · Cessna 207A · Independent InstrumentsSDR CA101230005Tachometer · failed(CAN) ON FLIGHT, THE PILOT REPORTED THE TACHOMETER HAD FAILED. THE TACHOMETER WAS REPLACED AND NO FURTHER INCIDENT PREVAILED.Mar 4, 2010 · Cessna U206F · Engine RPM Indicating SystemSDR YAA2010F00000Unknown · odorDEPARTED NORTH BOUND. EXPERIENCED A BURNING SCENT IN CABIN IN FLIGHT AND LATER CLAIMED TO SEE SMOKE EMITTING FROM ENGINE INSTRUMENT CLUSTER. PILOT THEN DIVERTED AND LANDED. FOLLOWING MORNING ACFT`S INSTRUMENT CLUSTER (WHERE THE PILOT CLAIMED TO SEE SMOKE),Dec 18, 2009 · N91060 · Cessna T207 · Air Distribution SystemSDR CA091202010Shaft · broken(CAN) IT APPEARS THE THREADED SHAFT OF THE ELEVATOR TRIM BROKE ON TAKEOFF OR IMMEDIATELY AFTER, CAUSING THE ELEVATOR TO JAM AND CREATING FLUTTER IN THE ELEVATOR CAUSING IT TO BREAK. THIS ALSO CAUSED THE OUTER PORTION OF THE RIGHT HORIZANTAL STABILZER TO FLUTTNov 27, 2009 · Cessna U206F · Elevator Tab Control SystemSDR CA091203006Spar · damaged(CAN) UPON PULLING THE WINGS FOR A PAINT JOB, IT WAS NOTICED AT SOME POINT SOMEONE WHO WAS DRILLING A SCREW FROM THE WING ROOT FAIRING, DRILLED THROUGH THE WING ATTACH POINT FROM THE SPAR INTO THE WING BOLT.Nov 24, 2009 · Cessna U206F · Wing SparSDR CA091110010Antenna · malfunctioned(CAN) TRANSPONDER WORKING ON OUT BOUND LEG BUT FAILS ON RETURN LEG TRACKED DOWN TO FAULTY ANTENNA AWAITING PART.Nov 3, 2009 · Cessna 207A · ATC Transponder SystemSDR CA091030002Electrode · loose(CAN) MAG WAS RECEIVED BECAUSE IT WAS U/S. WHEN INSPECTED THE ELECTRODE OF THE DISTRIBUTOR GEAR HAD WORKED ITS WAY LOOSE FROM THE SHAFT AND EGGED THE HOLE IN THE ELECTRODE. THIS CAUSED THE ELECTRODE TO CONTACT ALL 6 OF THE DISTRIBUTOR BLOCK ELECTRODES AND WEOct 30, 2009 · Cessna U206G · Magneto/DistributorSDR CA091026002Hub · cracked(CAN) DURING PROPELLER OVERHAUL PROCESS, EDDY CURRENT INSPECTION CARRIES OUT ON HUB UNIT THREADED BLADE SOCKET AREA`S AS PER. MANUFACTURER INSTRUCTIONS, WHERE THE INDICATIONS WERE FOUND. HUB REPLACED. (TC 20091026002)Oct 21, 2009 · Cessna U206D · Propeller Hub SectionSDR CA090914005Sump · worn(CAN) DRUING ROUTINE 200 HOURS INSPECTION A SMALL OIL DRIP WAS OBSERVED ON OIL SUMP. INVESTIGATION SHOWED THE OIL DIPSTICK WAS WEARING THROUGH FROM THE INSIDE. OIL SUMP REPLACED. PROG AIR (ENGINE SHOP) ADVISED US TO CHECK DIPSTICK SPIGOT - AS IT WAS PRESSED INSep 1, 2009 · Cessna 2105A · Reciprocating Engine Oil SystemSDR 2009F00061Landing Gear · brokenRT MLG FAILURE AT UPPER AXLE ATTACH BOLT HOLES.Aug 24, 2009 · N8209U · Cessna 185 · Main Landing GearSDR CA090902009Crankshaft · brokenIN FLIGHT FAILURE OF CRANKSHAFT AT THE NR 2 BEARING LOCATION. ACFT LANDED SAFELY.Aug 21, 2009 · Cessna A185E · Reciprocating Engine Power SectionSDR CA090818002Ground Stud · broken(CAN) THE GROUND POST WAS FOUND BROKE OFF, THE ALTERNATOR WAS NOT PRODUCING A CHARGE, BATTERY DIED.Aug 15, 2009 · Cessna U206F · Electrical Power System WiringSDR CA090812011Wire Harness · faulted(CAN) PILOT HAD RADIO FAILURE IN BOUND TO YMM SQUAKED 7600,TOWER GAVE HIM GREEN LIGHT AND LANDED UNEVENTFULL MAINTENANCE FOUND FAULTY PIN ON WIRING HARNESS.AWAITING PARTS (TC# 20090812011)Aug 8, 2009 · Cessna U206G · Communications System WiringSDR CA090722003Cylinder · cracked(CAN) WHILE TAXING IN, HISSING SOUND FROM ENG COULD BE HEARD. UPON VISUAL INSP OF ENGINE, CRACK ON NR 4 CYL WAS DISCOVERED.Jul 20, 2009 · Cessna U206G · Reciprocating Engine Cylinder SectionSDR CA090806008Bolt · bentSORRY FOR THE DELAY BUT WE CONTACTED T.C. AND IT SEEMS THIS IS THE ONLY WAY TO ADDRESS THE PROBLEM. WHILE CHANGING TIRES, THE WHEEL BOLT P/N NAS 145-41 WAS FOUND LOOSE. WHEN REMOVED BOLT P/N NAS 146-43 WAS FOUND BENT. ALL BOLTS WERE REPLACED. THE DISTURBINGJul 12, 2009 · Cessna U206F · Main Landing Gear Strut/Axle/TruckSDR CA090806010Bolt · bentWE WERE IN CONTRACT WITH TC CONCERNING THIS INCIDENT AND THIS SEEMS TO BE THE ONLY WAY OF DEALING WITH THIS PROBLEM. AFTER THE INCIDENT REPORTED SDR 2009 0707010 THE SCISSORS LINK WAS INSPECTED AND BOLT P/N AN 4 -31 WAS FOUND BENT. BOLT PN NAS 6203-22D WAS FOJul 12, 2009 · Cessna U206F · Nose/Tail Landing GearSDR CA090707007Hinge · cracked(CAN) HINGE DOUBLERS CRACKED AT LWR ANGLE BEND, UPON REMOVAL OF HINGE, FOUND MORE CRACKS NEAR TOP OF HINGE, NOT VISIBLE UNLESS THE SKIN IS PEELED BACK OR THE USE OF A BORESCOPE.Jul 7, 2009 · Cessna U206E · Ailerons
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