# Service difficulty reports: Continental IO-520-L

A list on [Continental IO-520-L](https://openairdocs.org/engine/continental-io-520-l.md).

Newest first. General aviation reporting is voluntary.

Page 1 of 6 · 257 reports

- [SDR 2022FA0000229](https://openairdocs.org/sdr/2022FA0000229.md): None · none · Oct 20, 2021 · N1235U · Cessna 210N · Engine Fuel Pump
  > ON TAKE OFF, AIRCRAFT EXPERIENCED A LOSS OF POWER AND THE PILOT ABORTED THE TAKE OFF. INSPECTION OF THE AIRCRAFT DID NOT SHOW ANY IRREGULARITIES. ENGINE HAD COMPRESSION IN ALL SIX CYLINDERS. ALL 12 SPARK PLUGS WERE CLEAN AND HAD GOOD SPARK WHEN THE MAGNETOS WE
- [SDR CA190308025](https://openairdocs.org/sdr/CA190308025.md): Cylinder · cracked · Mar 6, 2019 · Cessna 210L · Reciprocating Engine Cylinder Section
  > (CAN) OIL NOTED ON LOWER COWLING, INSPECTION SHOWED OIL LEAKING FROM PUSHROD HOUSING ON NR 1 CYLINDER. PART REMOVED AND FOUND TO BE CRACKED AROUND 50% OF ITS CIRCUMFERENCE AT THE SPRING RETENTION FERRULE.
- [SDR EPUA20180122001](https://openairdocs.org/sdr/EPUA20180122001.md): Line · loose · Jan 22, 2018 · N17GN · Cessna 207A · Engine Fuel Distribution
  > PILOT REPORTS FUEL LEAKING FROM REAR OF ENGINE COMPARTMENT. MAINTENANCE TIGHTENED LOOSE FUEL LINE BETWEEN ENGINE DRIVE FUEL PUMP AND FUEL CONTROL. GROUND RUN REVEALED NO FURTHER LEAKS.
- [SDR CA150727016](https://openairdocs.org/sdr/CA150727016.md): Powerpack · faulty · Jul 21, 2015 · Cessna 210L · Hydraulic Pump (Electric/Engine), Main
  > (CAN) ON TAKEOFF WHEN THE LANDING GEAR WAS RETRACTED THE LANDING GEAR HYDRAULIC POWER PACK CONTINUED TO RUN EVERY 10 SECONDS. WHEN GEAR DOWN WAS SELECTED THE FREQUENCY OF RUN ON INCREASED. THE PILOT LANDED WITHOUT FURTHER INCIDENT AND RETURNED TO BASE FOR MA
- [SDR CA150716008](https://openairdocs.org/sdr/CA150716008.md): Rib · cracked · Jul 4, 2015 · Cessna 210L · Horizontal Stabilizer, Spar/Rib
  > (CAN) DURING A 100 HR INSPECTION A CRACK WAS FOUND ON THE TOP SKIN OF THE L/H HORIZONTAL STABILIZER P/N 1232600-29 LEADING EDGE COMING FROM ONE OF THE RIVETS ATTACHING A LEADING EDGE RIB. FURTHER INVESTIGATION USING A BORE-SCOPE TO LOOK INSIDE THE STABILIZER F
- [SDR CA150716009](https://openairdocs.org/sdr/CA150716009.md): Pump · failed · Jul 4, 2015 · Cessna 210L · Engine Fuel Pump
  > (CAN) DURING A ROUTINE LANDING, AFTER TOUCHDOWN, AS THE AIRCRAFT WAS SLOWING THE ENGINE STOPPED. THE PILOT RESTARTED THE ENGINE AND TAXIED OFF THE RUNWAY TO HIS HOME BASE WITHOUT FURTHER INCIDENT AND REPORTED TO MAINTENANCE. AFTER INSPECTING THE AIRCRAFT AND F
- [SDR CA150703012](https://openairdocs.org/sdr/CA150703012.md): Magneto · faulty · Jun 27, 2015 · Cessna U206G · Magneto/Distributor
  > (CAN) DURING GROUND RUN FOR INSPECTION MAG DROP WAS EXCESSIVE. BENDIX MAGNETOS PN 10-500556-1, 1264.8 TSOH & PN BL-500556-1, 325.8. TSOH R & R WITH NEW PN 6310 & 14090532 SLICK MAGNETOS & NEW PN 10-423604-1 HARNESS ASSEMBLY. GND RUN CARRIED OUT WITH NO FURT
- [SDR CA150611005](https://openairdocs.org/sdr/CA150611005.md): Altimeter · sticks · May 15, 2015 · Cessna U206G · Altimeter, Barometric/Encoder
  > (CAN) ALTIMETER NEEDLE WAS OBSERVED JUMPING AROUND +- 300 FT ON CLIMB OUT. PITOT & STATIC CHECK CARRIED OUT LATER & IT WAS FOUND THAT NEEDLE WAS STICKING. SERVICEABLE ALTIMETER INSTALLED & TESTED NORMAL.
- [SDR BSYA201401](https://openairdocs.org/sdr/BSYA201401.md): Engine · power loss · Jan 9, 2014 · N2137S · Cessna 210L · Engine (Reciprocating)
  > 20 MILES FROM ADS, PILOT NOTICED LOSING POWER FROM THE ENG & STARTED FLUTTERING & MISFIRING. PILOT DECLARED AN EMERGENCY WITH ADS TOWER. PILOT WAS ABLE TO KEEP THE ENG FROM QUITTING & WAS ABLE TO RESTORE BACK TO FULL POWER. PILOT UPDATED ADS AIRPORT & WAS A
- [SDR BSYR20131128001](https://openairdocs.org/sdr/BSYR20131128001.md): Engine · power loss · Nov 28, 2013 · N777BK · Cessna 210L · Engine (Reciprocating)
  > EN ROUTE FROM TEB TO BUF, ENG LOST ALL POWER. PILOT ATTEMPTED TO LAND ON A ROAD, IN PROCESS, ACFT CLIPPED A POWER LINE & CRASHED NEAR SR 706 IN MONTROSE PA. PILOT WAS OK AFTER ACCIDENT & WAS TAKEN TO THE HOSPITAL TO GET CHECKED OUT. LOCAL AUTHORITIES WERE N
- [SDR 2013FA0000634](https://openairdocs.org/sdr/2013FA0000634.md): Plug · failed · Nov 15, 2013 · N9443M · Cessna 210K · Reciprocating Engine Power Section
  > AT CRUISE 6500 FT, NR 3 PISTON PIN ALUMINUM END PLUG BROKE OFF THE STEEL PIN. THIS CAUSED DAMAGE TO THE PISTON, RINGS, CYLINDER AND ULTIMATELY STOPPED THE ENGINE, SEIZED.
- [SDR CA130724006](https://openairdocs.org/sdr/CA130724006.md): Hose · worn · Jul 23, 2013 · Cessna 210R · Engine Oil Cooler
  > (CAN) DURING INSPECTION, FOUND ONE OF THE OIL COOLER HOSE RUBBING ON THE RT MUFFLER. HOSE WAS REMOVED AND HAD CHAFED DOWN TO THE METAL BRAIDING. NO LEAKS, NEW HOSE WAS INSTALLED AND SECURED IN ORDER TO PREVENT HOSE FROM COMING IN CONTACT WITH THE EXHAUST.
- [SDR CA130522008](https://openairdocs.org/sdr/CA130522008.md): Pulley · loose · May 14, 2013 · Cessna 210R · AC Inverter
  > (CAN) DURING TAXI A SQUEEL WAS HEARD FROM THE ENGINE. AFTER SHUTDOWN PILOT OBSERVED THAT PULLY WAS LOOSE ON FRONT ALTERNATOR, 2. THE PULLY HAD BEEN RUBBING ON ALTERNATOR CASE, CAUSING THE NOISE. THE ALTERNATOR BELT WAS REMOVED AND ACFT FLEW BACK VFR TO BASE
- [SDR CCJA201306280001](https://openairdocs.org/sdr/CCJA201306280001.md): Gear · failed · Mar 12, 2013 · N6035N · Cessna 210M · Reciprocating Engine Power Section
  > DURING GROUND OPERATION, CAM SHAFT GEAR BROKE TWO TEETH. MOTOR AND DIRECTLY RELATED ACCESSORIES WERE REMOVED AND O/H. IT WAS UNDETERMINED BY THE O/H SHOP, THE CAUSE OF THE GEAR FAILURE.
- [SDR 5RJR2013020811562](https://openairdocs.org/sdr/5RJR2013020811562.md): Crankcase · contaminated · Jan 25, 2013 · N732BC · Cessna 210L · Reciprocating Engine Oil System
  > ACFT ON RAMP OVERNIGHT 0-10 FARENHEIT. OPERATOR HAD HARD TIME STARTING ENGINE. AIRCRAFT WARMED UP. LATER STARTED NORMAL. CREW TOOK OFF NORMAL. ABOUT 15-20 MINUTES INTO CRUISE, CREW FELT A SHUTTER IN CONTROLS & RUDDER PEDALS, ENGINE STUMBLING WORSENED. AC
- [SDR FPI2012F00010](https://openairdocs.org/sdr/FPI2012F00010.md): Cylinder · leaking · Jun 29, 2012 · N2437S · Cessna 210L · Reciprocating Engine Cylinder Section
  > DURING A 100 HOUR INSPECTION, COMPRESSION TEST LEAK CHECK WITH SOAPY WATER, A CRACK WAS FOUND AT FIRST FIN, INTO COMBUSTION CHAMBER. REPLACED WITH NEW CYLINDER ASSY.
- [SDR FPI2012F00011](https://openairdocs.org/sdr/FPI2012F00011.md): Cylinder Head · cracked · Jun 29, 2012 · N2437S · Cessna 210L · Reciprocating Engine Cylinder Section
  > DURING 100 HR INSPECTION, COMPRESSION TEST, LEAK CHECK WITH SOAPY WATER FOUND A CRACK IN CYLINDER HEAD FROM TOP OF SPARK PLUG HOLE TO INTAKE VALVE. REPLACED WITH NEW CYLINDER ASSY.
- [SDR FPI2012F00008](https://openairdocs.org/sdr/FPI2012F00008.md): Cylinder Head · cracked · Jun 9, 2012 · N9489M · Cessna 210M · Reciprocating Engine Cylinder Section
  > DURING A 100 HR INSPECTION/ COMPRESSION TEST/ BUBBLE LEAK CHECK FOUND NR 2 CYCLE POSITION HEAD CRACKED INTO THE COMBUSTION CHAMBER - CYLINDER ASSY.
- [SDR FPI2012F00009](https://openairdocs.org/sdr/FPI2012F00009.md): Cylinder Head · cracked · May 9, 2012 · N9489M · Cessna 210M · Reciprocating Engine Cylinder Section
  > DURING A 100 HR INSPECTION/ COMPRESSION TEST/ BUBBLE LEAK CHECK, FOUND NR 4 CYLINDER POSITION HEAD CRACKED INTO THE COMBUSTION CHAMBER- REPLACED CYLINDER ASSY.
- [SDR FPI2012F00006](https://openairdocs.org/sdr/FPI2012F00006.md): Cylinder Head · cracked · May 3, 2012 · N9073M · Cessna 210M · Reciprocating Engine Cylinder Section
  > DURING A 100 HR INSPECTION, COMPRESSION TEST AND SOAP BUBBLE TEST FOR CRACKS FOUND THE NR 6 CYLINDER HEAD CRACKED INTO THE COMBUSTION CHAMBER LEAKING COMPRESSED AIR.
- [SDR CA120425001](https://openairdocs.org/sdr/CA120425001.md): Piston · leaking · Apr 24, 2012 · Cessna 210R · Propeller Hub Section
  > (CAN) ACFT RETURNED AFTER FLIGHT WITH ENGINE OIL SPATTERED ON WINDSCREEN. REMOVED PROPELLER DOME TO DISCOVER ENGINE OIL ON FRONT OF PROPELLOR HUB. PROP SHOP SAYS THERE IS NOT SUPPOSED TO BE ENGINE OIL IN THIS LOCATION. REMOVED PROPELLER AND SENT TO SHOP FOR
- [SDR FPI2012F00007](https://openairdocs.org/sdr/FPI2012F00007.md): Cylinder Head · cracked · Apr 11, 2012 · N59130 · Cessna 210L · Reciprocating Engine Cylinder Section
  > DURING A 100 HR INSP, COMPRESSION TEST AND SOAP BUBBLE TEST FOR CRACKS FOUND NR 1 CYLINDER HEAD CRACKED.
- [SDR FPIA2012F00004](https://openairdocs.org/sdr/FPIA2012F00004.md): Cylinder · cracked · Mar 2, 2012 · N2437S · Cessna 210L · Reciprocating Engine Cylinder Section
  > DURING A 100 HR INSPECTION-COMPRESSION TEST, FOUND NR 3 CYLINDAER AND NR 5 CYLINDER HEAD CRACKED AT THE TOP OF CYLINDER SLEEVE AT EXHAUST PORT 4 TO 6 INCHES LONG. REPLACED PROT 4 TO 6 INCHES LONG. REPLACED BOTH WITH NEW CYLINDER ASSY. NR 3 CYLINDER, SN 61105
- [SDR FPI2012F00005](https://openairdocs.org/sdr/FPI2012F00005.md): Cylinder · cracked · Mar 2, 2012 · N2437S · Cessna 210L · Reciprocating Engine Cylinder Section
  > DURING A 100 HR INSPECTION-COMPRESSION TEST, FOUND NR 3 CYLINDAER AND NR 5 CYLINDER HEAD CRACKED AT THE TOP OF CYLINDER SLEEVE AT EXHAUST PORT 4 TO 6 INCHES LONG. REPLACED PROT 4 TO 6 INCHES LONG. REPLACED BOTH WITH NEW CYLINDER ASSY. NR 3 CYLINDER, SN 61105
- [SDR FPI2012F00003](https://openairdocs.org/sdr/FPI2012F00003.md): Cylinder · broken · Feb 21, 2012 · N6490N · Cessna 210N · Reciprocating Engine Cylinder Section
  > DURING A 100 HOUR INSPECTION, FOUND NR 1 CYLINDER COOLING FIN BROKEN OFF, LEFT OF TOP SPARK PLUG DOWN TO HEAD OF CYLINDER. NO DAMAGE HISTORY NOTED. REPLACED WITH NEW CYLINDER IAW MM.
- [SDR FPI2012F00002](https://openairdocs.org/sdr/FPI2012F00002.md): Cylinder · cracked · Jan 3, 2012 · N59130 · Cessna 210L · Reciprocating Engine Cylinder Section
  > DURING A 100 HR INSP COMPRESSION TEST, FOUND NR 2 CYLINDER HEAD CRACKED FROM 1ST FIN INBD OF UPPER SPARK PLUG OVER EXHAUST VALVE TO UPPER SPARK PLUG HOLE USING SOAPY WATER. DURING COMPRESSION TEST BUBBLED FROM CRACK.
- [SDR FPI2012F00000](https://openairdocs.org/sdr/FPI2012F00000.md): Cylinder Head · cracked · Dec 20, 2011 · N2495S · Cessna 210L · Reciprocating Engine Cylinder Section
  > DURING A 100 HR INSP, COMPRESSION TEST FOUND NR 1 CYLINDER HEAD CRACKED ABOVE EXHAUST VALVE TO SPARK PLUG UPPER USING SOAP WATER SOLUTION DURING COMPRESSION TEST. REPLACED WITH NEW ASSY.
- [SDR FPI2012F00001](https://openairdocs.org/sdr/FPI2012F00001.md): Cylinder · cracked · Dec 14, 2011 · N21375 · Piper J3C65 · Reciprocating Engine Cylinder Section
  > DURING A 100 HR INSPECTION COMPRESSION TEST FOUND NR 1 CYLINDER CRACKED FROM BEHIND FIRST FIN TO SPARK PLUG HOLE (UPPER) ABOVE EXHAUST PORT. REPLACED WITH NEW CYLINDER ASSY.
- [SDR FPI2011F00010](https://openairdocs.org/sdr/FPI2011F00010.md): Cylinder Head · cracked · Oct 28, 2011 · N7874J · Cessna 210L · Reciprocating Engine Cylinder Section
  > DURING A 100 HR INSPECTION, FOUND NR1 CYLINDER CRACKED BETWEEN THE COOLING FINS OF THE EASTHEAD ABOVE THE INTAKE PORT BEHIND FUEL NOZZLE PORT.
- [SDR FPI2011F00008](https://openairdocs.org/sdr/FPI2011F00008.md): Impulse Coupling · failed · Oct 13, 2011 · N8427M · Cessna 210M · Magneto/Distributor
  > DURING INVESTIGATIONOF REPORTED MAGNETO FAIL, REMOVED LT & RT MAGS AND FOUND LT MAGNETO IMPULSE COUPLING DRIVE PADS AND CAGE WERE BROKEN. DISASSEMBLED LT MAG AND FOUND ROTOR GEAR STRIPPED AND THE BREAKER END ROLLER BEARING HAD FAILED AND COME APART AND JAMED
- [SDR FPI2011F00009](https://openairdocs.org/sdr/FPI2011F00009.md): Cylinder · cracked · Oct 12, 2011 · N778VK · Cessna 210M · Reciprocating Engine Cylinder Section
  > CURING A 100 HR INSPECTION, FOUND NR1 CYLINDER CRACKED FROM FUEL NOZZLE TO SPARK PLUG PORT. REPLACED CYLINDER ASSY.
- [SDR 2011FA0000543](https://openairdocs.org/sdr/2011FA0000543.md): Alternator · failed · Aug 11, 2011 · N732VU · Cessna 210M · DC Generator-Alternator
  > ALTERNATOR COOLING FAN CAME APART IN FLIGHT AFTER TAKEOFF. PART OF COOLING FAN PUNCHED A HOLE IN INDUCTION AIR BOX DOWN STREAM OF AIR FILTER AND THE ALTERNATOR BELT CAME LOOSE IN THE ENGINE COMPARTMENT. LOSS OF ENGINE POWER FROM ENGINE FOD DAMAGE RESULTED IN
- [SDR FPI2011F00002](https://openairdocs.org/sdr/FPI2011F00002.md): Cylinder · cracked · Jul 20, 2011 · N300EW · Cessna 210L · Reciprocating Engine Cylinder Section
  > DURING A 100 HR INSPECTION FOUND THE CYLINDER HEAD WAS CRACKED FROM THE FUEL INJECTOR PORT TO THE UPPER SPARK PLUG BY VISUAL INSPECTION. DURING COMPRESSION TEST USING SOAPY WATER, BUBBLES CAME FROM COOLING FINS ABOVE EXHAUST PORT.
- [SDR FPI2011F00003](https://openairdocs.org/sdr/FPI2011F00003.md): Cylinder · cracked · Jul 20, 2011 · N300EW · Cessna 210L · Reciprocating Engine Cylinder Section
  > DURING A 100 HR INSPECTION FOUND THE CYLINDER AHEAD WAS CRACKED FROM THE FUEL INJECTOR PORT TO THE UPPER SPARK PLUG BY VISUAL INSPECTION. DURING COMPRESSION TEST USING SOAPY WATER, BUBBLES CAME FROM COOLING FINS ABOVE EXHAUST PORT.
- [SDR FPI2011F00004](https://openairdocs.org/sdr/FPI2011F00004.md): Cylinder · cracked · Jul 20, 2011 · N300EW · Cessna 210L · Reciprocating Engine Cylinder Section
  > DURING A 100 HR INSPECTION FOUND THE CYLINDER AHEAD WAS CRACKED FROM THE FUEL INJECTOR PORT TO THE UPPER SPARK PLUG BY VISUAL INSPECTION. DURING COMPRESSION TEST USING SOAPY WATER, BUBBLES CAME FROM COOLING FINS ABOVE EXHAUST PORT.
- [SDR FPI2011F00005](https://openairdocs.org/sdr/FPI2011F00005.md): Cylinder · cracked · Jul 20, 2011 · N9073M · Cessna 210M · Reciprocating Engine Cylinder Section
  > DURING A 100 HR INSPECTION FOUND THE CYLINDER AHEAD WAS CRACKED FROM THE FUEL INJECTOR PORT TO THE UPPER SPARK PLUG BY VISUAL INSPECTION. DURING COMPRESSION TEST USING SOAPY WATER, BUBBLES CAME FROM COOLING FINS ABOVE EXHAUST PORT.
- [SDR FPI2011F00006](https://openairdocs.org/sdr/FPI2011F00006.md): Cylinder · cracked · Jul 20, 2011 · N9073M · Cessna 210M · Reciprocating Engine Cylinder Section
  > DURING A 100 HR INSPECTION FOUND THE CYLINDER AHEAD WAS CRACKED FROM THE FUEL INJECTOR PORT TO THE UPPER SPARK PLUG BY VISUAL INSPECTION. DURING COMPRESSION TEST USING SOAPY WATER, BUBBLES CAME FROM COOLING FINS ABOVE EXHAUST PORT.
- [SDR FPI2011F00007](https://openairdocs.org/sdr/FPI2011F00007.md): Cylinder · cracked · Jul 20, 2011 · N9073M · Cessna 210M · Reciprocating Engine Cylinder Section
  > DURING A 100 HR INSPECTION, COMPRESSION TEST USING SOAPY WATER, BUBBLES CAME FROM CYLINDER HEAD COOLING FINS ABOVE EXHAUST PORT. NO VISUAL CRACKS NOTED.
- [SDR CA110620007](https://openairdocs.org/sdr/CA110620007.md): Gasket · broken · Jun 20, 2011 · Cessna 210R · Engine Oil Cooler
  > PILOT REPORTED THAT HE HAD SOME OIL ON RT PART OF WINDSHIELD. DISCOVERED THAT THE OIL COOLER ADAPTER GASKET ON RT FWD OF ENGINE HAD A HAIR LINE OPENING OR SPLIT THAT ALLOWED SMALL AMOUNT OF OIL COLLECT ON WINDSHIELD. OIL LOSS WAS ONLY A COUPLE OUNCES. GASKE
- [SDR O592011F00002](https://openairdocs.org/sdr/O592011F00002.md): Cylinder Head · cracked · May 3, 2011 · N4615X · Cessna U206G · Reciprocating Engine Cylinder Section
  > NR 1 CYLINDER WAS FOUND CRACKED BETWEEN SPARK PLUG HOLE AND INTAKE VALVE. THIS IS THE 3RD CYLINDER WITH SIMILAR CRACK.
- [SDR FPI2011F00000](https://openairdocs.org/sdr/FPI2011F00000.md): Gasket · failed · Apr 11, 2011 · N732YA · Cessna 210M · Reciprocating Engine Cylinder Section
  > DURING A SCHEDULED INSPECTION OF ENGINE, FOUND 5 OUT OF 5 INDUCTION GASKETS LEAKING. AFTER REMOVING INTAKE TUBES, OBSERVED THAT THE GASKETS WERE CRACKED AND TORN DURING INSTALLATION AT ASSEMBLY AT MFG AND WAS POSSIBILY CAUSE OF HIGH CHT READINGS.
- [SDR FPI2011F00001](https://openairdocs.org/sdr/FPI2011F00001.md): Shaft · out of position · Mar 30, 2011 · N2667S · Cessna 210L · Fuel Selector/Shut-Off Valve
  > RECEIVED NEW FUEL SELECTOR SHAFT AND WAS FOUND TO BE ASSEMBLED 180 DEGREES OUT. THE HANDLE TO SELECT FUEL TANK POINTS TO THE OPPOSITE TANK OF WHICH IS BEING USED. RECEIVED REPLACEMENT FOR ABOVE PAR AND IT ALSO WAS ASSEMBLED 180 DEGREES OUT. ADVISED MFG OF P
- [SDR 2010FA0001157](https://openairdocs.org/sdr/2010FA0001157.md): Cylinder Head · cracked · Oct 21, 2010 · N6035N · Cessna 210M · Reciprocating Engine Cylinder Section
  > DURING AN ANNUAL/100HR INSP FOUND 4 OUT OF THE 6 CYLINDER HEADS CRACKED, THEY ARE ECI CYLINDERS WITH PN TIST71.4, SN'S 38519-08, 38542-17, 38947-18, 38947-30.
- [SDR CA101018013](https://openairdocs.org/sdr/CA101018013.md): Switch · failed · Oct 15, 2010 · Cessna 210L · Exterior Lighting
  > SNAG: LANDING LIGHT SWITCH TO VERIFY, LANDING LIGHT SWITCH (1) PN: TA-201-TW-B. REPLACED NEW IAW SB SEB09-6 (DUE SPARKING COMING OUT THROUGH KNOB WHEN PUTTING SWITCH AT ON POSITION) CONNECTING, WIRES, TERMINALS, CHECKED OK SWITCH SECURED AND FUNCTIONAL CHECKED
- [SDR CA100719005](https://openairdocs.org/sdr/CA100719005.md): Fastener · missing · Jul 14, 2010 · Cessna 210L · Wheel/Ski/Float
  > (CAN) UPON TAXI, PILOT NOTICED RIGHT MAIN WHEEL LOCKED UP DURING TAXI. MAINTENANCE WAS DISPATCHED AND UPON INVESTIGATION WAS FOUND THAT RIGHT MAIN WHEEL ASSEMBLY P/N C163006-0103 WAS IN FAILURE MODE. THE INNER WHEEL FLANGE P/N D30210 WAS SEPARATING FROM THE
- [SDR FPI2010F00001](https://openairdocs.org/sdr/FPI2010F00001.md): Spring · inoperative · Jun 18, 2010 · N30326 · Cessna 210L · Engine Starter
  > ENGINE WAS REMOVED FOR INTERNAL VIBRATION AND REPAIRED BY MFG. REPLACED CRANKSHAFT ENGINE, REINSTALLED IN ACFT. AFTER APPROXIMATELY 16 CYCLES, THE STARTER WAS ENGAGED WITHOUT ENGINE TURNING. REMOVED STARTER ADAPTOR, P/N 643259A18. INSPECTED AND FOUND CLUTC
- [SDR 2010FA0000336](https://openairdocs.org/sdr/2010FA0000336.md): Baffle · broken · Apr 12, 2010 · N4918Y · Cessna 210N · Engine Noise Suppressor
  > (M2ZR) FOLLOWING TAKEOFF, PILOT DETECTED AN UNUSUAL ENGINE SOUND ACCOMPANIED BY LOSS OF ENGINE POWER. PILOT RETURNED TO AIRPORT, LANDING DOWNWIND ON A TAXI WAY. INSP OF ENGINE REVEALED RT MUFFLER PN 1250251-16 BAFFLE/FLAME CONE ASSY. HAD COME LOOSE AND WAS
- [SDR CA090929003](https://openairdocs.org/sdr/CA090929003.md): Landing Gear · obstructed · Sep 27, 2009 · Cessna 210L · Nose/Tail Landing Gear
  > (CAN) UPON APPROACH, PILOT SELECTED MLG DOWN, & DID NOT GET A MLG DOWN INDICATION & HYDRAULIC MOTOR DID NOT SHUT-OFF. PILOT PULLED MLG CIRCUIT BREAKER & USED EMERGENCY EXTENSION PUMP. PILOT SAID HAND PUMP PRESSURED UP IMMEDIATELY. VISUAL ON LT & RT MLG INDICAT
- [SDR CA090622020](https://openairdocs.org/sdr/CA090622020.md): Exhaust Valve · stuck · Jun 19, 2009 · Cessna 210L · Reciprocating Engine Cylinder Section
  > (CAN) ACFT WAS UNDERGOING A 50 HR INSP. INSP REVEALED AN OIL LEAK ON RT SIDE OF ENG. INVESTIGATION REVEALED EXHAUST PUSH TUBE SEALS WERE LEAKING. REMOVAL OF THE PUSH TUBE AND ROD REVEALED PUSH ROD WAS BENT. OIL LEAK WAS CAUSED BY PUSH ROD DISPLACING SEALS O
- [SDR CA090430001](https://openairdocs.org/sdr/CA090430001.md): Motor · overheated · Apr 16, 2009 · Cessna 210R · Landing Gear Actuator
  > (CAN) DURING CRUISE ALTERNATOR NR 1 WENT "OFF LINE", IMMEDIATELY NR 2 WENT OFF AS WELL. LARGE ELEC PWR DRAW ON AMMETER NOTICED, STRONG ODOR & SMOKE NOTED FROM LOWER LT SIDE OF CONSOLE. EMERGENCY DECLARED & BATTERY MASTER TURNED OFF. MLG EXTENDED MANUALLY, &

Next page: https://openairdocs.org/engine/continental-io-520-l/reports.md?page=2

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
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 = 'IO520L'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/engine/continental-io-520-l/reports

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.