# Service difficulty reports: Continental IO-520-C

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

Newest first. General aviation reporting is voluntary.

Page 1 of 7 · 329 reports

- [SDR 2023FA0000579](https://openairdocs.org/sdr/2023FA0000579.md): Nut · backed out · Sep 30, 2023 · N686FR · Beech 58 · Engine Mount Section
  > NOTICED A LOSS OF FUEL PRESSURE EN ROUTE. ELECTED TO LAND AT NEAREST SUITABLE AIRPORT. FOUND THAT THE MIXTURE CABLE SUPPORT NUT HAD BACKED OFF AND ALLOWED THE CABLE TO PULL THE MIXTURE ARM TOWARDS LEAN, RESULTING IN PARTIAL LOSS OF POWER.
- [SDR 2022FA0000094](https://openairdocs.org/sdr/2022FA0000094.md): None · none · Feb 22, 2022 · N71GG · Beech 100BEECH · Engine (Reciprocating)
  > LEFT HAND ENGINE FAILURE # 2 CYC CONNECTING ROD BROKE LOOSE FROM CRANK AND PISTON CREATING A HOLE IN THE TOP OF THE CASE. CONNECTING ROD WAS FOUND LAYING ON THE #3 AND 5 CYLINDERS AND THE PISTON PIN WAS FOUND LYING FWD OF THE #1 CYLINDER. FOUND THE CONNECTING
- [SDR Q6MR201908123003](https://openairdocs.org/sdr/Q6MR201908123003.md): Engine · shutdown · Aug 4, 2019 · N484WW · Beech 58 · Engine (Turbine/Turboprop)
  > PILOT REPORTED LEFT ENGINE SHUT DOWN IN CRUISE FLIGHT. PILOT RETURNED TO DEPARTURE AIRPORT. MAINTENANCE INSPECTED THE ENGINE INCLUDING FUEL SYSTEM AND IGNITION SYSTEM. RAN ENGINE ON GROUND. ENGINE STARTED AND RAN WITH NO DEFECTS. COULD NOT DUPLICATE ISSUE.
- [SDR 2017FA0000346](https://openairdocs.org/sdr/2017FA0000346.md): Engine · power loss · Mar 13, 2017 · N88EB · Beech D55 · Engine (Reciprocating)
  > AFTER 12 TO 15 MINUTES ON GROUND AND ENGINE RUN UP WITH NO INDICATIONS OF ANY PROBLEMS WITH ANY SYSTEMS, LEFT ENGINE HAD POWER LOSS WITHIN 1 TO 2 SECONDS AFTER ROTATION WITH GEAR DOWN. RPM DOWN TO 1600 RPM, LEFT FUEL FLOW NEEDLE BOUNCING BACK AND FORTH FROM T
- [SDR 2017FA0000048](https://openairdocs.org/sdr/2017FA0000048.md): Gearbox · seized · Jan 18, 2017 · N303QB · Beech 95C55 · Landing Gear Retraction/Extension System
  > AIRCRAFT CALLED ON RADIO WITH GEAR PROBLEMS. TOLD TO CRANK GEAR WITH EMERGENCY HANDLE. UNABLE TO DO SO AND LANDED GEAR UP. AFTER LIFING AIRCRAFT AND DISCONNECTING LINKAGES TO SAFETY GEAR DOWN FOR MOBILITY, FOUND GEAR BOX JAMMED IN THE UP POSITION. DISASSEMBL
- [SDR 2015FA0000455](https://openairdocs.org/sdr/2015FA0000455.md): Magneto · binding · Sep 16, 2015 · N29DA · Beech 58 · Magneto/Distributor
  > ROUGH RT ENGINE, LT MAGNETO OPERATION DURING RUN-UP CHECK. REMOVED MAGNETO, PN BL-349350-4, SN F11EA076R, MODEL S6RN-1225 AND FOUND MAGNETO GEAR BUSHING AND RETAINER BROKEN. CONSULTED WITH MFG FOR ADDITIONAL INSTRUCTIONS. REMOVED OIL PAN AND RECOVERED MISSI
- [SDR CA150601011](https://openairdocs.org/sdr/CA150601011.md): Cable · loose · May 26, 2015 · Cessna A185F · Wheel/Ski/Float
  > (CAN) DURING A TRAINING FLIGHT, THE PILOTS NOTICED THAT THE WATER RUDDERS WERE NOT RESPONDING. THE ACFT FLEW TO THE MX FACILITY WHERE THEY LANDED UNEVENTFULLY & RECEIVED A TOW TO THE DOCK. THE MX ENGINEER FOUND THAT THE WATER RUDDER DIRECT CABLE WAS FOUND AD
- [SDR FQ5R2015032700001](https://openairdocs.org/sdr/FQ5R2015032700001.md): Ahrs · unknown · Feb 4, 2014 · N265SW · Beech 58 · Instrument Panel
  > WHILE AT CRUISE ALTITUDE OF 14,000FT, ON A VERY COLD DAY THE G500 PANEL FLAGGED THE AIRSPEED, ALTITUDE, AIS, OAT, HEADING AND HORIZON ALL "X" OUT WITH BIG RED X'S. LOSS OF ALL DATA FROM THE AHARS. PILOT USED THE BACK UP INSTRUMENTS TO COMPLETE THE FLIGHT. W
- [SDR 2013FA0000443](https://openairdocs.org/sdr/2013FA0000443.md): Gasket · leaking · Jun 14, 2013 · N969RB · Cessna TU206C · Magneto/Distributor
  > GASKETS LOCATED AT MOUNTING SURFACES OF BOTH MAGNETOS FOUND SHRUNK AND LEAKING OIL. GASKETS ARE ROUND AND HAD SHRUNK ENOUGH TO LEAVE A GAP OF.3750".
- [SDR EA39201303010001](https://openairdocs.org/sdr/EA39201303010001.md): Landing Gear · collapsed · Feb 7, 2013 · N458P · Beech 58 · Main Landing Gear
  > LT MLG COLLAPSED ON LANDING. GEAR INDICATOR SHOW ALL 3 GEARS DOWN & LOCKED BEFORE TOUCHDOWN. THE LT GEAR FOLDED IMMEDIATELY UPON TOUCHDOWN. INSPECTION OF MAIN GEAR SYS REVEALED HEAVY DAMAGE TO THE SYS THEREFORE IT IS UNABLE TO KNOW EXACTLY THE RIGGING POSIT
- [SDR CA121108003](https://openairdocs.org/sdr/CA121108003.md): Tank · leaking · Oct 6, 2012 · Beech 58 · Fuel Storage
  > (CAN) LT WING TIP LENS FOUND CRACKED AND MISSING THEN REPLACED WITH P/N W-2501-L/H AND RETURNED TO SERVICE. DURING INSPECTION LIGHT BLUE STAINING WAS FOUND UNDER THE STROBE LIGHT AREA, FURTHER INVESTIGATING FOUND A SMALL LEAK AT THE LT LEADING FORWARD EDGE OF
- [SDR CA120919009](https://openairdocs.org/sdr/CA120919009.md): Hub · cracked · Sep 18, 2012 · Cessna A185E · Propeller Hub Section
  > (CAN) PROPELLER LEAKING RED DYE. INSPECTION OF PROP FOUND CRACKED HUB.
- [SDR BSYA2012032](https://openairdocs.org/sdr/BSYA2012032.md): Engine · unknown · Aug 29, 2012 · N3695V · Beech 58 · Engine (Turbine/Turboprop)
  > EN ROUT FROM PNE TO YXU, RIGHT ENGINE STARTED TO RUN ROUGH. PILOT DIVERTED AND LANDED SAFELY AT RDG WITHOUT INCIDENT. MAINTENANCE IS IN PROSSES OF INSPECTING RIGHT ENGINE.
- [SDR 2012FA0000426](https://openairdocs.org/sdr/2012FA0000426.md): Throttle Cable · broken · Jun 11, 2012 · N407T · Beech 95C55 · Power Lever
  > PILOT REPORTED RT THROTTLE CABLE BROKE ON LANDING ROLL OUT, SHUTDOWN LT TO BETTER CONTROL ACFT THEN SHUTDOWN RT AS ACFT WAS UNDER CONTROL AND ROLLED TO STOP. INSP FOUND RT CABLE BROKEN AT THROTTLE HANDLE END WHERE IT ENTERS INTO THE CABLE HSG. HOUSING APPEAR
- [SDR EWKA2012040601](https://openairdocs.org/sdr/EWKA2012040601.md): Crankshaft · cracked · Apr 2, 2012 · N6652A · Beech 58 · Reciprocating Engine Power Section
  > CRANKSHAFT CRACKED AT PROPELLER FLANGE IN THE RADIUS. CRACK WAS IN A V SHAPE. ONE SIDE LINE WAS ABOUT 4 INCHES AND THE OTHER WAS ABOUT 3 INCHES.
- [SDR BSYA2012005](https://openairdocs.org/sdr/BSYA2012005.md): Fuel Sys · contaminated · Jan 12, 2012 · N1859K · Beech 58 · Fuel Storage
  > ON TAKEOFF OUT OF RST, RIGHT ENGINE QUIT, ABORTED TAKEOFF AND RETURNED TO SIGNATURE RAMP. MAINTENANCE DRAINED WATER FROM FUEL SUMPS, RUN UP ENGINES, OPS CHECK NORMAL, NO DEFECTS NOTED.
- [SDR W59R2011112930999](https://openairdocs.org/sdr/W59R2011112930999.md): Hub · cracked · Nov 29, 2011 · N9031V · Beech 58 · Propeller Hub Section
  > PROPELLER SUBMITTED FOR INSPECTION FOR THE CAUSE OF RED OIL LEAK IAW AD 91-15-04. PROPELLER WAS DISASSEMBLED AND BLADE RETENTION THREADS OF THE HUB SN 723369 WERE EDDY CURRENT INSPECTED. THE HUB WAS FOUND CRACKED IN THE RETENTION THREADS. THE BLADE COUNTERW
- [SDR 2011F00144](https://openairdocs.org/sdr/2011F00144.md): Impulse Coupling · separated · Jul 11, 2011 · N899DD · Beech 58 · Magneto/Distributor
  > IMPULSE COUPLING CAME APART AND FRACTURED THE MAG HOUSING.
- [SDR 2011FA0000247](https://openairdocs.org/sdr/2011FA0000247.md): Duct · chafed · Apr 8, 2011 · N7839R · Beech D55 · Nacelle/Pylon, Main Frame
  > DURING ANNUAL INSP, FOUND THE RT ENGINE FUEL METERING UNIT BLAST DUCT CHAFING ON ENGINE MOUNT TUBE. FOUND THAT THE METAL WIRE IN THE BLAST DUCT HAD WORN THROUGH THE BLAST DUCT AND WORE INTO THE ENGINE MOUNT TUBE REQUIRING THE ENGINE MOUNT TO BE REMOVED FOR REP
- [SDR XGN2011F00007](https://openairdocs.org/sdr/XGN2011F00007.md): Cylinder Head · cracked · Mar 29, 2011 · N44DC · Beech D55 · Reciprocating Engine Cylinder Section
  > NR 3 CYLINDER ON LT ENGINE HAD A COMPLETE HEAD SEPARATION CAUSED BY THE FAILURE OF THE AREA AROUND THE INTAKE VALVE. THIS AREA IS THE COMMON FAILURE FOR MFG REV NR 3 CYLINDERS DUE TO A MFG DEFECT/DESIGN IN THE HEAD CASTING. THE AREA THICKNESS WAS MFG TOO TH
- [SDR XGN2011F00008](https://openairdocs.org/sdr/XGN2011F00008.md): Cylinder · cracked · Mar 29, 2011 · N44DC · Beech D55 · Reciprocating Engine Cylinder Section
  > NR 1 CYLINDER ON LT ENGINE WAS CRACKED THRU THE HEAD ON THE TOP SIDE BETWEEN THE FINS ABOVE THE INTAKE VALVE. THIS IS ANOTHER DEFECTIVE REV NR 3 CYLINDER.
- [SDR CA110214008](https://openairdocs.org/sdr/CA110214008.md): Engine · failed · Feb 3, 2011 · Beech 58 · Engine (Reciprocating)
  > ABORTED T/O DURING ROUTINE TRAINING MISSION, ON THE 5TH TOUCH AND GO, SHORTLY AFTER TOUCHDOWN, THE MASTER CAUTION CAME WITH ENG SYS CONTROL LT AND RT FAIL. THE T/O WAS ABORTED AND AN UNEVENTFUL BRAKED LANDING PERFORMED. THE CREW WAS ABLE TO RESET FAULT, PERFOR
- [SDR 2010FA0001173](https://openairdocs.org/sdr/2010FA0001173.md): Drive Gear · failed · Oct 11, 2010 · N9580Q · Beech 95C55 · Reciprocating Engine Power Section
  > (V7AR) DURING CRUISE FLIGHT THE RT ENGINE WENT TO 2700 RPM THEN DROPPED TO 1100 RPM. THE PILOT DID NOT NOTICE ANY OTHER GAGE READINGS. THE ENGINE STOPPED AND THE PILOT WAS UNABLE TO RESTART. THE ACFT LANDED OK. THE ENGINE HAS NOT BEEN INSPECTED. ON TEARDO
- [SDR BSYA2010013](https://openairdocs.org/sdr/BSYA2010013.md): Connecting Rod · failed · Mar 24, 2010 · N696BD · Beech 58 · Reciprocating Engine Power Section
  > AIRCRAFT EN ROUTE FROM LZU-CLT-ATL WHEN THE RIGHT ENGINE FAILED NR 6 ROD PENETRATED THE CASE. PILOT THEN DIVERTED TO AND, LANDED NO PROBLEMS. CAUSE UNKNOWN AT THIS TIME.
- [SDR CA090428005](https://openairdocs.org/sdr/CA090428005.md): Hub · unserviceable · Apr 27, 2009 · Beech 95C55 · Propeller Hub Section
  > (CAN) PROP RECEIVED FOR REPAIR OF RED OIL LEAK. UPON VISUAL INSP CORROSION DAMAGE UNDER THE PAINT WAS OBSERVED. THE AMOUNT OF DAMAGE RENDERS THE HUB UNSERVICEABLE IAW MM NR SPM100-1R4.
- [SDR 2009FA0000329](https://openairdocs.org/sdr/2009FA0000329.md): Hinge Bracket · broken · Apr 15, 2009 · N922MA · Cessna TU206F · Wing, Control Surface Attach Fittings
  > LOWER SUPPORTING ANGLE CRACKED FROM MANY YEARS AND HOURS OF FATIGUE. THIS ACFT HAS BEEN OPERATED ON UNIMPROVED BACK COUNTRY DIRT LANDING STRIPS WHICH POUND AND SHAKE THESE ACFT EXTREMELY. THIS TYPE OF PART FAILURE IS TO BE EXPECTED UNDER THE CONDITIONS THIS
- [SDR BSYA2009010](https://openairdocs.org/sdr/BSYA2009010.md): Light · inoperative · Jan 28, 2009 · N9044V · Beech 58 · Landing Gear Position and Warning
  > ON TAKEOFF OUT OF MKE LANDING GEAR WAS NOT RETRACTING, RETURNED TO MKE. MAINTENANCE FOUND OUT THAT IT WAS RETRACTING ALL THE WAY, BUT THE GEAR UP LIGHT WAS BURNT OUT. REMOVED AND REPLACED BULB, OPS CHECKS GOOD.
- [SDR BSYA2009008](https://openairdocs.org/sdr/BSYA2009008.md): Engine · damaged · Jan 27, 2009 · N400RP · Beech 58 · Engine (Reciprocating)
  > EN ROUTE FROM MKE TO STP, PILOT NOTICED LEFT ENGINE SLOWING DOWN AND OIL PRESSURE DROPPING. SHUT THE ENGINE DOWN AND DIVERTED TO MCN. MAINTENANCE FOUND NR 6 CYLINDER CONNECTING ROD BUSTED THROUGH THE CASE. REMOVED AND REPLACED ENGINE.
- [SDR BSYA2009009](https://openairdocs.org/sdr/BSYA2009009.md): Key · out of position · Jan 27, 2009 · N21ES · Beech 58 · Control Column Section
  > GOING INTO CLE PILOT NOTICED CONTROL YOKE ROCKING BACK AND FORTH. MAINTENANCE FOUND LOCKING KEY HAD FALLEN OUT, REPLACED KEY OPS CHECKS GOOD.
- [SDR BSYA2009006](https://openairdocs.org/sdr/BSYA2009006.md): O-Ring · defective · Jan 22, 2009 · N1847F · Beech 58 · Fuel Storage
  > PILOT ABORTED TAKEOFF OUT OF TEB WHEN THE RIGHT ENGINE LOST 400 RPM. RETURNED TO RAMP, TRIED A HIGH POWER GROUND RUN, AFTER 10 SECONDS THE ENGINE STARTED SURGING AGAIN. MAINT FOUND WATER IN THE RIGHT WING SUMP. DRAINED WATER, CHECKED FILTERS, CHANGED FUEL C
- [SDR BSYA2009004](https://openairdocs.org/sdr/BSYA2009004.md): Downlock · out of adjust · Jan 15, 2009 · N9367Q · Beech 58 · Landing Gear Position and Warning
  > THE MANUAL NOSE GEAR DOWN AND LOCK MECHANICAL POINT WAS OUT OF ADJUSTMENT NOT SHOWING THE GEAR TO BE DOWN AND LOCKED. AIRCRAFT LANDED SAFELY. MAINTENANCE ADJUSTED MECHANICAL POINTER, OPS CHECKS GOOD.
- [SDR BSYA2009003A](https://openairdocs.org/sdr/BSYA2009003A.md): Connector · loose · Jan 14, 2009 · N26CC · Beech 58 · Instrument System Wiring
  > EN ROUTE FROM GNV TO BHM PILOT NOTICED SPARKS FROM BEHIND INSTRUMENT PANEL. DIVERTED TO CSG. MAINTENANCE CHECKED OUT SUSPECTED AREA COULD NOT FIND ANY BURNT WIRES OR SUSPECTED RESIDUE, BUT DID FIND INTER-COM CONNECTOR AND A AUTO-PILOT CONNECTOR LOOSE. TIGHT
- [SDR 2008FA0000693](https://openairdocs.org/sdr/2008FA0000693.md): Rod · broken · Sep 11, 2008 · N6681L · Beech 58 · Propeller Governor
  > LIFT ROD WAS DISCOVERED BROKEN AT DISASSEMBLY. (K)
- [SDR FFKA128](https://openairdocs.org/sdr/FFKA128.md): Stud · backed out · Mar 31, 2008 · N7351R · Beech 58 · Reciprocating Engine Power Section
  > PILOT ABORTED TAKEOFF AFTER SEEING SOME SMOKE COMING FROM THE LEFT ENGINE NACELLE. AFTER INVESTIGATION IT WAS FOUND THAT A STUD HAD BACKED OFF AND FELL OFF THE ENGINE ALLOWING ENGINE OIL TO COME OUT OF THE HOLE AND DRIP ONTO THE EXHAUST PIPES.
- [SDR BSYA20080004](https://openairdocs.org/sdr/BSYA20080004.md): Servo · defective · Jan 24, 2008 · N62500 · Beech 58 · Fuel Control/Reciprocating Engines
  > BEFORE TAKEOFF OUT OF HFD THE RIGHT ENGINE WOULD NOT RUN AT LOW POWER WITHOUT THE BOOST PUMP BEING ON. MAINTENANCE CHANGED ENGINE DRIVEN FUEL PUMP, FLOW DIVIDER, FUEL SERVO, OPS CHECKS GOOD. FLOW DIVIDER P/N 631427-24A3.
- [SDR 2007FA0001111](https://openairdocs.org/sdr/2007FA0001111.md): Thru Bolt · broken · Dec 17, 2007 · Reciprocating Engine Power Section
  > INSTALLING ALL NEW SA641931-10.75 LOT NR K070059179, REV E THRU BOLTS IN ENGINE. AFTER TORQUE, WITHIN A FEW HOURS THE THRU BOLT SNAPPED, AT THE OIL RING GROOVE. THIS IS THE THIRD THRU BOLT THAT HAS SNAPPED AFTER TORQUE, AND SETTING. PROBABLE CAUSE, IS IMPRO
- [SDR 2007FA0001085](https://openairdocs.org/sdr/2007FA0001085.md): Nose Rib · cracked · Nov 9, 2007 · N810WA · Beech D55 · Trailing Edge Flaps
  > AT ANNUAL INSPECTION, FOUND CRACKED FLAP ROD ATTACH POINT RIB. RT FLAP ONLY. (K)
- [SDR GST2007F00000](https://openairdocs.org/sdr/GST2007F00000.md): Ground Wire · broken · Jun 13, 2007 · N770LA · Beech 58 · Landing Gear System Wiring
  > WHILE RETURNING, ON A REVENUE FLIGHT AND ARRIVING IN THE AIRPORT TRAFFIC PATTERN, THE GEAR HANDLE WAS SELECTED TO THE DOWN POSITION. PILOT HEARD THE GEAR EXTEND, BUT DID NOT RECEIVE A POSITIVE DOWN AND LOCKED INDICATION, NO GREEN LIGHTS. PILOT TOOK C/A TO DE
- [SDR BOO2007F00000](https://openairdocs.org/sdr/BOO2007F00000.md): Gear · worn · May 31, 2007 · N827TS · Beech 58 · Reciprocating Engine Power Section
  > CRANKSHAFT GEAR FAILURE. GEAR TEETH WORN OUT.5 WIDTH, CAUSED ENGINE FAILURE WHEN DRIVEN GEAR LOST CONTACT. (K)
- [SDR BOO2007F00001](https://openairdocs.org/sdr/BOO2007F00001.md): Gear · worn · May 31, 2007 · N827TS · Beech 58 · Reciprocating Engine Power Section
  > CRANK SHAFT GEAR FAILURE. GEAR TEETH WORN OUT (.5) WIDTH CAUSED ENGINE FAILURE WHEN DRIVEN GEAR LOST CONTACT. (K)
- [SDR FFKA113](https://openairdocs.org/sdr/FFKA113.md): Cylinder · cracked · Dec 23, 2006 · N11HW · Beech 58 · Reciprocating Engine Cylinder Section
  > PILOT REPORTED THAT AFTER AN HOUR AN HALF IN CRUISE FLIGHT THAT THE LEFT ENGINE EGT HAD FALLEN BELOW AN OPTIMUM LEVEL FOR CRUISE FLIGHT. TRIED TO ADJUST THE LEFT ENGINE FUEL FLOW WHICH GAVE NO SIGNIFICANT CHANGES FOR OPTIMUM FUEL ECONOMY. THE PILOT ALSO NOTE
- [SDR BSYA200600030](https://openairdocs.org/sdr/BSYA200600030.md): Indicator · erratic · Nov 9, 2006 · N858LG · Beech 58 · Attitude Gyro and Indicating System
  > AFTER TAKEOFF, ATTITUDE INDICATOR BECAME ERRATIC, RETURNED TO DEPARTURE WHERE MAINTENANCE REMOVED AND REPLACED ATTITUDE INDICATOR OPS CHECKS GOOD.
- [SDR 2006FA0001027](https://openairdocs.org/sdr/2006FA0001027.md): Rod · failed · Oct 17, 2006 · N640LS · Beech 58 · Reciprocating Engine Power Section
  > CYLINDER NR 2 PISTON ROD FAILED WHILE AIRCRAFT WAS IN CRUISE FLIGHT. PROP WAS FEATHERED. AIRCRAFT LANDED WITHOUT INCIDENT. (K)
- [SDR BSYA200600025](https://openairdocs.org/sdr/BSYA200600025.md): Spark Plug · dirty · Sep 18, 2006 · N95BB · Beech 58 · Spark Plug/Igniter
  > ONTAKE OFF OUT OF BHM LEFT ENGINE WOULD NOT ACCELERATE ABOVE 1800 RPM, ABORTED TAKEOFF. MAINTENANCE CLEANED FUEL NOZZLES AND REPLACED ONE SPARK PLUG, GROUND RUN GOOD.
- [SDR XGN2007F00006](https://openairdocs.org/sdr/XGN2007F00006.md): Cylinder Head · cracked · Sep 16, 2006 · N5740V · Beech 95C55 · Reciprocating Engine Cylinder Section
  > CYLINDER HEAD CRACKED IN THE EXHAUST AREA. (K)
- [SDR XGN2007F00008](https://openairdocs.org/sdr/XGN2007F00008.md): Cylinder Head · cracked · Sep 16, 2006 · N5740V · Beech 95C55 · Reciprocating Engine Cylinder Section
  > CYLINDER HEAD CRACKED IN THE EXHAUST AREA. (K)
- [SDR XGN2007F00013](https://openairdocs.org/sdr/XGN2007F00013.md): Cylinder · cracked · Sep 16, 2006 · N5740V · Beech 95C55 · Reciprocating Engine Cylinder Section
  > CYLINDER HEAD CRACKED IN THE EXHAUST AREA. (K)
- [SDR XGN2007F00014](https://openairdocs.org/sdr/XGN2007F00014.md): Cylinder · cracked · Sep 16, 2006 · N5740V · Beech 95C55 · Reciprocating Engine Cylinder Section
  > CYLINDER HEAD CRACKED IN THE EXHAUST AREA. (K)
- [SDR 2006FA0000817](https://openairdocs.org/sdr/2006FA0000817.md): Magneto · separated · Aug 16, 2006 · N1850F · Beech E55 · Magneto/Distributor
  > LT ENGINE OB MAGNETO IMPULSE COUPLING FROZE UP, CAUSING MAGNETO HOUSING TO COMPLETELY SEPARATE FROM ENGINE.
- [SDR XGN2006F00051](https://openairdocs.org/sdr/XGN2006F00051.md): Cylinder · cracked · May 24, 2006 · N5740V · Beech 95C55 · Reciprocating Engine Cylinder Section
  > CYLINDER HEADS CRACKED IN THE EXHAUST PORT AREA. (K)

Next page: https://openairdocs.org/engine/continental-io-520-c/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 = 'IO520C'
ORDER BY difficulty_date DESC
```

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

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