# Service difficulty reports: Continental IO-520-M

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

Newest first. General aviation reporting is voluntary.

Page 1 of 4 · 187 reports

- [SDR W1XA201806200001](https://openairdocs.org/sdr/W1XA201806200001.md): Gasket · collapsed · Jun 20, 2018 · N77RG · Cessna 310R · Reciprocating Engine Cylinder Section
  > AFTER TAKE OFF AND IN CLIMB OUT, THE TOWER REPORTED SMOKE TRAILING THE LEFT ENGINE. RETURNED TO DEPARTURE WITHOUT INCIDENT. REMOVED COWL AND FOUND OIL DRIPPING FROM THE NR 3 CYLINDER. FOUND THE GASKET ON THE NR 3 CYLINDER HAD COLLAPSED IN UPPER RIGHT CORNER.
- [SDR CA150107011](https://openairdocs.org/sdr/CA150107011.md): Magneto · failed · Jan 7, 2015 · Cessna 310R · Magneto/Distributor
  > (CAN) DURING 200HR INSPECTION OIL LEAK NOTICED ON LH SIDE OF ENGINE. AFTER CLEANING AREA WAS DETERMINED THAT IT WAS THE LH MAG GASKET LEAKING. MAGNETO WAS REMOVED AND MOUNTING FLANGE WAS FOUND TO BE BROKEN. BROKEN AT THE POINT THE HOLD DOWN PLATE IS USED TO HO
- [SDR 2014FA0000144](https://openairdocs.org/sdr/2014FA0000144.md): Injector · dirty · Mar 3, 2014 · N37250 · Cessna 310R · Fuel Injector Nozzle
  > PILOT REPORTED ROUGH RUNNING ENGINE AND MADE PRECAUTIONARY LANDING. PILOT WAS ABLE TO INFORM MAINTENANCE OF THE CYLINDERS THAT WERE HAVING ISSUES FROM THE ENGINE MONITOR INDICATION. MAINTENANCE FOUND SMALL AMOUNTS OF DIRT IN THE INJECTORS OF THE AFFECTED CYL
- [SDR CA130124008](https://openairdocs.org/sdr/CA130124008.md): Bulkhead · cracked · Jan 23, 2013 · Cessna 182J · Fuselage Main, Bulkhead
  > (CAN) DURING ANNUAL INSPECTION,THE REAR BULKHEAD WAS FOUND CRACKED AT TOP RT AND LT CORNERS WHERE THE RUDDER CABLES PASS THROUGH. A NEW REAR BULKHEAD WAS ORDERED AND WILL BE REPLACED BEFORE ACFT WILL BE RETUNED TO SERVICE.
- [SDR CA130218012](https://openairdocs.org/sdr/CA130218012.md): Lifter · failed · Jan 23, 2013 · Cessna 310R · Reciprocating Engine Power Section
  > (CAN) ENGINE WAS REMOVED FOR REPAIR AFTER FINDING METAL IN THE FILTER. IT WAS DISCOVERED THAT THE 6 INTAKE LIFTERS WERE FAILED OR FAILING. THESE LIFTERS WERE PART OF A NEW CAMSHAFT AND LIFTER KIT. THESE LIFTERS WERE MFG JUST BEFORE MANDATORY SB 09-8A. AWD. 2
- [SDR 2011FA0000585](https://openairdocs.org/sdr/2011FA0000585.md): Crankshaft · broken · Jul 27, 2011 · N18BK · Cessna 310R · Reciprocating Engine Power Section
  > ACFT LANDED AT AIRPORT WITH RT PROPELLER FEATHERED. PILOT STATED ENGINE QUIT SUDDENLY ABOUT 15 MILES NORTH OF AIRPORT. PILOT AUTHORIZED INSP TO DETERMINE PROBLEM. GROUND PERSONEL COULD NOT TURN ENGINE OVER WITH PROPELLER. OIL DRAINED AND FILTER INSPECTED. OIL
- [SDR CA110725008](https://openairdocs.org/sdr/CA110725008.md): Engine · failed · Jul 22, 2011 · Cessna 310R · Engine (Reciprocating)
  > (CAN) AFTER TAKING OFF AND IN CLIMB, PILOT FELT SLIGHT VIBRATION IN LT SIDE OF ACFT. HE CHECKED HIS ENGINE GAUGES AND NOTED THAT THE LT ENGINE HAD NO OIL PRESSURE. HE SHUT DOWN THE LT ENGINE, FEATHERED THE PROP AND RETURNED TO THE AIRPORT. THE ACFT WAS PULLED
- [SDR CA101004011](https://openairdocs.org/sdr/CA101004011.md): Control Cable · frayed · Oct 1, 2010 · Cessna 310R · Trailing Edge Flap Control System
  > ON COMING INTO LAND, THE FLAPS WERE LOWERED TO 15 DEGREES, THE ACFT MADE A ROLL TO THE LT. PILOT CORRECTED AND LANDED WITHOUT INCIDENT. AME INSPECTED THE FLAP SYS AND FOUND THE RT FLAP RETURN CABLE HAD STARTED TO FRAY. WHEN THE FLAPS WERE LOWERED TO 15 DEGR
- [SDR CA090320004](https://openairdocs.org/sdr/CA090320004.md): Tube · split · Mar 19, 2009 · Cessna 310R · Tire Tube
  > (CAN) AFTER LANDING, PILOT NOTICED ACFT DRAGGING TO ONE SIDE. ACFT WAS STOPPED, PILOT GOT OUT AND NOTICED LT TIRE WAS FLAT. MX WENT OUT AND REPLACED WHEEL ASSY. ACFT BROUGHT BACK TO HANGAR. TIRE WAS DISASSEMBLED, THE TUBE HAD SPLIT ON THE JOINT LINE. NO REASO
- [SDR 2008FA0000911](https://openairdocs.org/sdr/2008FA0000911.md): Rod End · cracked · Dec 1, 2008 · N77RG · Cessna 310R · Landing Gear Retraction/Extension System
  > PILOT REPORTED NO LT GEAR DOWN LIGHT AND ALSO HEARD A LOUD BANG WHEN GEAR WAS RETRACTED. PILOT DID SEVERAL FLYBYS FOR MECHANICS ON GROUND, GEAR APPEARED TO BE DOWN. PILOT LANDED WITHOUT INCIDENT AND STOPPED ON RUNWAY. GEAR WAS NOT COMPLETELY LOCKED. GEAR WA
- [SDR CA070927001](https://openairdocs.org/sdr/CA070927001.md): Wheel · broken · Aug 31, 2007 · Cessna 310R · Wheel/Ski/Float
  > (CAN) DURING MAINT THE RT MAIN WAS FOUND WITH PART OF THE BEAD MISSING, PILOT SAID THE WHEEL WAS OK PRIOR TO DEPARTURE AND LANDING NORMAL. TOWER ADVISED AND CREW SENT OUT FOR INSP, NO PIECES FOUND. (TC NR 20070927001)
- [SDR 2007FA0000685](https://openairdocs.org/sdr/2007FA0000685.md): Oil Filter · contaminated · Jul 12, 2007 · Reciprocating Engine Oil System
  > THE ENGINE OIL SYSTEM WAS CONTAMINATED BY OIL FILTER SEAL DEBRIS. (K) ON DISASSEMBLY OF THE ENGINE RUBBER DEBRIS WAS FOUND: IN THE OIL PASSAGE THAT FEEDS THE STARTER ADAPTER WITH THE ADAPTER PILOT BEARING PLUGGED. UPON SPLITTING OF THE ENGINE CASE DEBRIS WAS
- [SDR CA070511002](https://openairdocs.org/sdr/CA070511002.md): Torque Tube · broken · May 10, 2007 · Cessna 310R · Main Landing Gear
  > (CAN) AFTER TAKE-OFF PILOT RETACTED GEAR ALL 3 GREEN LIGHTS WENT OUT AND UNLOCKED LIGHT WAS OUT. RADIO CALL FROM TOWER INFORMED PILOT THAT LT MAIN GEAR WAS NOT RETRACTED. PILOT PUT GEAR DOWN AND GOT ALL 3 GREEN LIGHTS. SHUT DOWN LT ENGINE IN CASE GEAR COLLAP
- [SDR DFJ2007F00000](https://openairdocs.org/sdr/DFJ2007F00000.md): Governor · malfunctioned · Apr 9, 2007 · N4264J · Cessna 310R · Propeller Governor
  > PROPELLER STARTED TO SURGE ON RT ENGINE DURING CRUISE FLIGHT CONDITIONS. AC WAS LANDED AND THE PROPELLER GOVERNOR WAS REPLACED WITH AN OVERHAULED GOVERNOR. (K)
- [SDR CA061019003](https://openairdocs.org/sdr/CA061019003.md): Bolt · sheared · Oct 18, 2006 · Cessna 310R · Nose/Tail Landing Gear
  > (CAN) ON LANDING THE MAIN GEAR CAME DOWN AND LOCKED BUT THE NOSE GEAR STAYED UNLOCKED. THE AN5-17A BOLT CONNECTING THE DRAG LINK ASSY TO THE DRAG BRACE TRUSS ASSY. HAD FAILED CAUSING THE NOSE GEAR STRUT ASSY TO JAM AGAINST THE TRUSS ASSY HOLDING THE GEAR FROM
- [SDR AU510001798](https://openairdocs.org/sdr/AU510001798.md): Shear Pin · failed · Dec 12, 2005 · Cessna 310R · Elevator Tab Control System
  > ELEVATOR ACTUATOR DRIVE SHEAR PINS FAILED.
- [SDR AU510001859](https://openairdocs.org/sdr/AU510001859.md): Brush Block · damaged · Dec 12, 2005 · Cessna 310R · DC Generator-Alternator
  > ALTERNATOR HAD HIGH RESISTANCE IN BOTH BRUSH BLOCK CONNECTIONS.
- [SDR AU510002129](https://openairdocs.org/sdr/AU510002129.md): Downlock · faulty · Nov 11, 2005 · Cessna 310R · Landing Gear Position and Warning
  > LT AND RT MAIN LANDING GEAR DOWNLOCKS FOUND TO BE IN AN UNSAFE CONDITION.
- [SDR DFJ2005F00000](https://openairdocs.org/sdr/DFJ2005F00000.md): Bellcrank · broken · Dec 3, 2004 · N4264J · Cessna 310R · Landing Gear Retraction/Extension System
  > BELLCRANK BROKE DURING GEAR RETRACTION. PROBABLE CAUSE IS DUE TO FATIGUE AND STRESS. SUGGEST REMOVAL OF BELLCRANK AFTER 5,000 HOURS OF OPERATION, DYE CHECK, REINSTALL AND RIG GEAR DOOR SYSTEM IAW SRM. (K)
- [SDR CA041119001](https://openairdocs.org/sdr/CA041119001.md): Spar · cracked · Nov 12, 2004 · Cessna 310R · Wing Spar
  > WHILE DOING A 100HR INSPECTION ON THE AIRCRAFT, AME'S NOTICED BELLY SKIN ON LOWER RT SIDE WRINKLED. FURTHER INSPECTION REVEALED THAT THE WEB SKIN ON THE REAR OF THE FUSELAGE FRONT SPAR SKIN WAS CRACKED. THE PROTECTIVE TOP CAP OF CARPET WAS REMOVED AND IT WAS
- [SDR XIR2005F00000](https://openairdocs.org/sdr/XIR2005F00000.md): Bellcrank · corroded · Nov 2, 2004 · N101G · Cessna 310R · Main Landing Gear
  > PART SHOWED SIGNS OF INTERGRANULAR CORROSION AT BRAKE. (K)
- [SDR 2004F00416](https://openairdocs.org/sdr/2004F00416.md): Skin · cracked · Oct 18, 2004 · N134JR · Cessna 310R · Wing, Plate/Skin
  > DURING MAINTENANCE WORK ON THE LT CENTER WING LOCKER BAY COMPARTMENT FUEL TANK, MAINTENANCE FOUND A WING SKIN CRACK OF 3.0 INCH AT APPROX WING STATION 60.00 AND FUSELAGE STATION 54.00. THE CRACK RUNS NEAR THE LT LANDING GEAR UP AND DOWN MECHANISM SUPPORT STRUC
- [SDR 4016](https://openairdocs.org/sdr/4016.md): Magneto · failed · Jun 23, 2004 · N5238J · Cessna 310R · Magneto/Distributor
  > IN ROUTE, PILOT NOTICED HI EGT AND ROUGH LT ENGINE, PILOT DID MAG CHECK RT MAGNETO DEAD, CONTINUED APPROACH, LT ENGINE QUIT, LANDED NO PROBLEM. CAUSE UNKNOWN AT THIS TIME.
- [SDR CA040528008](https://openairdocs.org/sdr/CA040528008.md): Pump · leaking · May 11, 2004 · Cessna 310R · Engine Fuel Pump
  > DURING AIRCRAFT 100 HOURS INSPECTION, THE TECHNICIAN DISCOVERED A BLUE COLORED TRACE OF FUEL ORIGINATING FROM THE FUEL PUMP LOW-METERED ADJUSTMENT SCREW. PRESSURIZED THE FUEL SYSTEM AND NOTICED MORE FUEL LEAKING FROM THE ADJUSTMENT SCREW OF THE FUEL PUMP. TH
- [SDR AUS20040360](https://openairdocs.org/sdr/AUS20040360.md): Oil System · contaminated · May 5, 2004 · Cessna 310R · Reciprocating Engine Oil System
  > (AUS) METAL CONTAMINATION OF RT ENGINE OIL SYSTEM. THREE PIECES OF 0.812 MM (0.032IN) LOCKWIRE FOUND IN OIL FILTER. TWO MORE PIECES OF LOCKWIRE FOUND IN OIL PRESSURE RELIEF VALVE. ENGINE HAD 6 HOURS OPERATION SINCE OVERHAUL. PERSONNEL/MAINTENANCE ERROR.
- [SDR AUS20040154](https://openairdocs.org/sdr/AUS20040154.md): Trunnion · cracked · Mar 3, 2004 · Cessna 310R · Nose/Tail Landing Gear Attach Section
  > (AUS) NOSE LANDING GEAR TRUNNION CRACKED IN RADIUS LOCATED ON LOWER SIDE OF THE LT ATTACHMENT LUG. CRACK LENGTH APPROXIMATELY 12MM(0.472IN). THE TRUNNION WAS THE EARLIER PN 5842000-213 WITH SMALLER DIAMETER ATTACHMENT LUGS. FOUND DURING INSPECTION IAW MFG SB M
- [SDR AUS20040125](https://openairdocs.org/sdr/AUS20040125.md): Wire · misrouted · Feb 19, 2004 · Cessna 310R · Electrical Power System Wiring
  > (AUS) WIRING IN BOTH LT AND RT WINGS CONTACTING FUEL VENT LINES LOCATED AT WS 145. PERSONNEL/MAINTENANCE ERROR.
- [SDR 0408](https://openairdocs.org/sdr/0408.md): Bellcrank · broken · Jan 13, 2004 · N3597G · Cessna 310R · Landing Gear Retraction/Extension System
  > HAD NO NOSE GEAR DOWN AND LOCK LIGHT, PUT AIRCRAFT INTO NEG G'S NOSE GEAR CAME DOWN AND LOCKED OVER CENTER, LANDED OK. REMOVED AND REPLACED NOSE GEAR ACTUATING BELL CRANK. OPS CHECK GOOD.
- [SDR AUS20031301](https://openairdocs.org/sdr/AUS20031301.md): Rod · fractured · Dec 29, 2003 · Cessna 310R · Landing Gear Retraction/Extension System
  > (AUS) RT MAIN LANDING GEAR AFT PUSH/PULL ROD ASSEMBLY FRACTURED.
- [SDR AUS20031309](https://openairdocs.org/sdr/AUS20031309.md): Bulkhead · cracked · Dec 18, 2003 · Cessna 310R · Wing, Rib/Bulkhead
  > (AUS) RT WING TIP TANK REAR ATTACHMENT BULKHEAD CRACKED.
- [SDR CA031210002](https://openairdocs.org/sdr/CA031210002.md): Cylinder · cracked · Dec 8, 2003 · Cessna 310R · Reciprocating Engine Cylinder Section
  > (CAN) ON APPROACH TO LANDING RT ENGINE STARTED TO RUN ROUGH. PILOT LANDED WITHOUT INCIDENT. AIRCRAFT WAS BROUGHT INTO THE HANGER AND A DP TEST WAS CONDUCTED ON THE ENGINE AND NR 6 CYLINDER WAS FOUND TO BE CRACKED FROM THE TOP SPARK PLUG HOLE ALL THE WAY AROUND
- [SDR AUS20031184](https://openairdocs.org/sdr/AUS20031184.md): Seal · worn · Oct 29, 2003 · Cessna 310R · Master Cylinder/Brake Valve
  > (AUS) BRAKE MASTER CYLINDER SEAL WORN.
- [SDR AUS20031031](https://openairdocs.org/sdr/AUS20031031.md): Bolt · separated · Sep 25, 2003 · Cessna 310R · Nose/Tail Landing Gear Strut/Axle
  > (AUS) NOSE WHEEL AXLE BOLT NUT SEPARATED ALLOWING AXLE CAP TO FALL OFF THE NOSE WHEEL ASSEMBLY. DURING LANDING THE NOSE WHEEL CAME OUT OF THE FORK AND WEDGED UNDER THE NOSE WHEEL FAIRING. THE NOSE WHEEL TIRE HAD BEEN CHANGED APPROXIMATELY 10 HOURS PREVIOUSLY
- [SDR AUS20030934](https://openairdocs.org/sdr/AUS20030934.md): Wire · loose · Sep 13, 2003 · Cessna 310R · Landing Gear System Wiring
  > (AUS) LANDING GEAR SAFETY SWITCH WIRE LOOSE AT INLINE CONNECTOR.
- [SDR BSY2003F00029](https://openairdocs.org/sdr/BSY2003F00029.md): Motor · malfunctioned · Sep 12, 2003 · N28NT · Cessna 310R · Landing Gear Actuator
  > LANDING GEAR SELECTED DOWN, NOTHING HAPPENED. HAND CRANKED GEAR DOWN LANDED, NO PROBLEM. MAINTENANCE CYCLED GEAR MANY TIMES, COULD NOT DUPLICATE. CHANGED LANDING GEAR MOTOR AS PRECAUTIONARY MEASURE, OPS CHECKS GOOD.
- [SDR AUS20030597](https://openairdocs.org/sdr/AUS20030597.md): Pin · mislocated · May 30, 2003 · Cessna 310R · Main Landing Gear Strut/Axle/Truck
  > (AUS) LANDING GEAR FORK BOLT CLEVIS PIN INCORRECTLY FITTED. CLEVIS PIN WAS FITTED BACK TO FRONT AND CONTACTED WHEEL WELL STRUCTURE CAUSING DAMAGE TO TORQUE TUBE SUPPORT BRACKETS PN 5027002-5. PERSONNEL/MAINTENANCE ERROR.
- [SDR AUS20030641](https://openairdocs.org/sdr/AUS20030641.md): Injector · blocked · May 6, 2003 · Cessna 310R · Fuel Injector Nozzle
  > (AUS) RT ENGINE OIL FILTER CONTAMINATED WITH METAL. INVESTIGATION FOUND NR 5 CYLINDER INJECTOR NOZZLE WAS PARTIALLY BLOCKED CAUSING TORCHING OF NR 5 PISTON.
- [SDR CA030318015](https://openairdocs.org/sdr/CA030318015.md): Tube · torn · Mar 11, 2003 · Cessna 310R · Tire Tube
  > (CAN) A/C LANDED WITH NO PROBLEM, TAXIED TO RAMP AND PILOT NOTICE A LOT OF DRAG ON RT MAIN HEEL DISESSEMBLED AND FOUND TUBE WITH TWO TEARS APPROX 1/4 INCH.
- [SDR AUS20030274](https://openairdocs.org/sdr/AUS20030274.md): Propeller · damaged · Feb 28, 2003 · Cessna 310R · Propeller Assembly
  > (AUS) PROPELLER FAULTY. FOLLOWING FEATHERING CHECK IAW AD/PROP/2 AMDT2IT WAS FOUND THAT TWO BLADES COULD BE ROTATED BACK TO FULL FINE POSITION BY HAND.
- [SDR 2003F00107](https://openairdocs.org/sdr/2003F00107.md): Magneto · failed · Feb 10, 2003 · N500FS · Cessna 310R · Magneto/Distributor
  > RECEIVED A FACTORY REBUILT ENGINE FROM TCM AND INSTALLED. DURING THE GROUND RUNS IT WAS DISCOVERED THAT THE LT MAGNETO WAS DEAD. FURTHER INSPECTION REVEALED THE PROBLEM TO BE IN THE MAGNETO ITSELF. A REPLACEMENT MAGNETO WAS ORDERED AND INSTALLED WHICH CHECKED
- [SDR BSY2003F00010](https://openairdocs.org/sdr/BSY2003F00010.md): Motor · inoperative · Feb 5, 2003 · N6160X · Cessna 310R · Landing Gear Retraction/Extension System
  > GEAR WOULD NOT COME UP. CYCLED GEAR SEVERAL TIMES COULD NOT DUPLICATE PROBLEM. REMOVED AND REPLACED GEAR MOTOR AS A PRECAUTIONARY MEASURE. OPS CHECK GOOD.
- [SDR BSY2003F00004](https://openairdocs.org/sdr/BSY2003F00004.md): Downlock Switch · inoperative · Dec 9, 2002 · N5238J · Cessna 310R · Landing Gear Position and Warning
  > GOING INTO AIRPORT, LT MLG, NO DOWN AND LOCK INDICATION. TROUBLESHOT TO A BAD DOWN AND LOCK SWITCH, REMOVED AND REPLACED SWITCH. OPS CHECKED GOOD.
- [SDR CA030122004](https://openairdocs.org/sdr/CA030122004.md): Propeller · Dec 4, 2002 · Cessna 310R · Propeller Hub Section
  > (CAN) NUMBER 1 BLADE WAS LEAKING OIL FROM THE HUB. PROP WAS REMOVED AND SENT TO O/H SHOP. SEAL IN HUB WAS FOUND TO BE LEAKING. SEAL REPLACED -PROP WAS REINSTALLED.
- [SDR AUS20021219](https://openairdocs.org/sdr/AUS20021219.md): Hub · worn · Oct 23, 2002 · Cessna 310R · Alternator-Generator Drive
  > (AUS) ALTERNATOR GEAR DRIVE HUB SLIPPING. FOUND DURING INSPECTION IAW MEB01-3.
- [SDR AUS20021275](https://openairdocs.org/sdr/AUS20021275.md): Torque Tube · cracked · Oct 22, 2002 · Cessna 310R · Landing Gear Retraction/Extension System
  > (AUS) LH MAIN LANDING GEAR TORQUE TUBE CRACKED AND TWISTED.
- [SDR CA021016036](https://openairdocs.org/sdr/CA021016036.md): Exhaust Valve · stuck · Aug 28, 2002 · Cessna 310R · Reciprocating Engine Cylinder Section
  > (CAN) VIBRATION ON RT ENGINE WITH FIRE, ENGINE FEATHERED. - FUEL LINE MANIFOLD VALVE TO NOZZLE BROKEN DUE TO STICKING EXHAUST VALVE ON CYLINDER NR 6. THE EXHAUST VALVE WAS DISMANTLED FOR CLEANING. A REEMER (PULL THROUGH) WAS PASSED THROUGH THE VALVE GUIDE AN
- [SDR AUS20020742](https://openairdocs.org/sdr/AUS20020742.md): Landing Gear · misrigged · Jul 25, 2002 · Cessna 310R · Landing Gear Retraction/Extension System
  > (AUS) LANDING GEAR INCORRECTLY RIGGED. LANDING GEAR COMPONENTS DAMAGED DUE TO THE EXTENT THAT THE LANDING GEAR WAS OUT OF RIG. THE DEFECTS INCLUDE BENT RETRACT RODS, DENTED AND BENT UNDERCARRIAGE DRIVE TUBES, CORROSION AND RUST ON DRIVE TUBES, SEIZED AND RUSTE
- [SDR AUS20020622](https://openairdocs.org/sdr/AUS20020622.md): Blade · corroded · Jun 24, 2002 · Cessna 310R · Propeller Blade Section
  > (AUS) PROPELLER BLADES CORRODED IN AREA OF BLADE SHANK RADIUS.
- [SDR AUS20020719](https://openairdocs.org/sdr/AUS20020719.md): Governor · making metal · Jun 22, 2002 · Cessna 310R · Propeller Governor
  > (AUS) LT ENGINE GOVERNOR METAL CONTAMINATION.
- [SDR AUS20021112](https://openairdocs.org/sdr/AUS20021112.md): Bolt · failed · May 22, 2002 · Cessna 310R · Reciprocating Engine Power Section
  > (AUS) NO6 CYLINDER UPPER THROUGH BOLT FAILED.

Next page: https://openairdocs.org/engine/continental-io-520-m/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 = 'IO520M'
ORDER BY difficulty_date DESC
```

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

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