# Service difficulty reports: Continental TSIO-520-EB

A list on [Continental TSIO-520-EB](https://openairdocs.org/engine/continental-tsio-520-eb.md).

Newest first. General aviation reporting is voluntary.

Page 1 of 2 · 83 reports

- [SDR 2022FA0000457](https://openairdocs.org/sdr/2022FA0000457.md): Cylinder · leaking · Jul 15, 2022 · N111SD · Cessna T310P · Powerplant System
  > OVERHAULED RH ENGINE WAS INSTALLED ON THE AIRCRAFT. AFTER TEST FLIGHT, AN OIL LEAK WAS NOTED FROM THE #6 CYLINDER BASE. THE CRS THAT OVERHAULED THE ENGINE INSTRUCTED US TO REMOVE THE #6 CYLINDER TO CHECK FOR ISSUES. DURING THE REMOVAL OF THE CYLINDER, IT WAS
- [SDR 2022FA0000455](https://openairdocs.org/sdr/2022FA0000455.md): Crankshaft · broken · Apr 27, 2022 · N111SD · Cessna T310P · Engine (Reciprocating)
  > DURING CLIMB AFTER TAKEOFF FROM KZPH, AROUND 5000 FT, THE RH ENGINE BEGAN RUNNING ROUGH, THE RH MAGNETO WAS TURNED OFF IN AN ATTEMPT TO DIAGNOSE THE ROUGHNESS. THE ENGINE RAN EVEN MORE ROUGHLY WITH THE RH MAGNETO OFF, THE RH MAGNETO WAS TURNED BACK ON, AND AP
- [SDR CSSA2021042001](https://openairdocs.org/sdr/CSSA2021042001.md): Distributor Blk · corroded · Apr 20, 2021 · N87CG · Cessna 402B · Magneto/Distributor
  > RH MAGNETO ON RH ENGINE RAN ROUGH DURING PREFLIGHT RUNUP. ENGINE CLEARED UP AFTER LEANING MIXTURE FOR 2 MINUTES. TAXIED TO RUNWAY. DURING TAKEOFF RUN THE ENGINE WAS UNABLE TO PRODUCE SAME TAKEOFF POWER AS LH ENGINE, SO PIC ABORTED TAKEOFF. HE DID ANOTHER R
- [SDR XGNA2021041400011](https://openairdocs.org/sdr/XGNA2021041400011.md): Engine · power loss · Apr 14, 2021 · N3378Q · Cessna 402B · Manifold Pressure (MP) Indicating
  > TAKEOFF WAS NORMAL 34.5” MP, 2700 RPM, FUEL FLOW IN THE WHITE ARC. DURING CLIMB POWER SETTINGS RIGHT ENGINE WOULD NOT MAINTAIN MAP SETTING. RETURNED TO EDC, LANDED WITH NO FURTHER ISSUES. TESTED ENGINE ON THE GROUND AND COULD ONLY GET 28” MP.
- [SDR YHAA2019F00135](https://openairdocs.org/sdr/YHAA2019F00135.md): Signal Cond Unit · defective · Mar 2, 2019 · N145TT · Cessna 402B · Fuel Indicating System
  > APPEARS THAT RT FUEL QTY INDICATING SYSTEM MALFUNCTIONED AND WAS INDICATING 12 GALLONS OF FUEL IN TANK AND IT WAS ACTUALLY EMPTY.THE SIGNAL CONDITIONER WAS SWAPPED WITH THE LT SIDE AND FAULT FOLLOWED. PRESENTLY SIGNAL CONDITIONER IS ON ORDER.
- [SDR 2017FA0000541](https://openairdocs.org/sdr/2017FA0000541.md): Turbocharger · leaking · Oct 24, 2017 · N6384X · Cessna 402B · Exhaust Turbocharger
  > DURING DESCENT INTO KANE AIRPORT PILOT COULD SEE OIL STREAKING BACK FROM TOP COWL LOUVERS. AFTER A FEW MINUTES HE ALSO NOTICED OIL PRESSURE DROPPING. PILOT PRECAUTIONARY SHUT DOWN ENGINE AND FEATHERED PROPELLER. SINCE KANE AIRPORT WAS THE CLOSEST AIRPORT AND A
- [SDR 2017FA0000550](https://openairdocs.org/sdr/2017FA0000550.md): Motor · malfunctioned · Aug 3, 2017 · N4948A · Cessna T310R · Landing Gear Retraction/Extension System
  > PILOT ATTEMPTED TO RETRACT GEAR, GEAR MOTOR CIRCUIT BREAKER TRIPPED. PILOT WAS ABLE TO SELECT GEAR DOWN AND PUSHED CIRCUIT BREAKER, GEAR EXTENDED AN LOCKED BEFORE CIRCUIT BREAKER TRIPPED AGAIN. UNEVENTFUL LANDING. TROUBLESHOT THE SYSTEM, FOUND GEAR MOTOR DR
- [SDR CA140328005](https://openairdocs.org/sdr/CA140328005.md): Pump · leaking · Mar 28, 2014 · Cessna 401B · Fuel Boost Pump
  > (CAN) DURNING AN INSPECTION, FUEL WAS SEEN UNDER THE RT WING LANDING LIGHT. THE WING TIP TANK END COVER WAS REMOVED AND THE FUEL WAS SEEN COMING OUT OF THE TIP TANK AFT FUEL PUMP. FUEL WAS DRIPING ON TOP OF THE LANDING GEAR RETRACTION MOTOR. THE FUEL PUMP W
- [SDR 2014FA0000031](https://openairdocs.org/sdr/2014FA0000031.md): Cylinder · cracked · Dec 13, 2013 · N2708Y · Cessna 335 · Reciprocating Engine Cylinder Section
  > BOTH ENGINES OVERHAULED WITH NEW CYLINDERS. AFTER 784 HR AND 7 YEARS, 5 CYLINDERS WERE FOUND CRACKED AT THE INTAKE PORT AREA. FUEL STAINING WAS OBSERVED RUNNING DOWN THE INTAKE PIPES. PRESSURE TESTING ALSO FOUND CRACK AREAS. THREE CYLINDERS ON ONE SIDE AND
- [SDR CA131209002](https://openairdocs.org/sdr/CA131209002.md): Capacitor · burned · Nov 29, 2013 · Cessna 401B · Communications System Wiring
  > (CAN) PILOTS REPORTED BURNING ODOR IN THE COCKPIT AND THE LOSS OF 1 RADIO. THE ACFT LANDED WITHOUT INCIDENT OR IMPACT ON OPERATIONS. MAINTENANCE DISCOVERED THE SOURCE OF THE BURNING ODOR WAS FROM THE NR 1 COMM. THE NR 1 COMM WAS SENT TO A REPAIR BS FOR A TE
- [SDR CA130523002](https://openairdocs.org/sdr/CA130523002.md): Sprocket · broken · May 21, 2013 · Cessna 401B · Trailing Flap Position Indicating System
  > (CAN) DURING THE ACFT RUNUP, THE PILOT SELECTED FLAPS DOWN. AT 30 DEGREE OF FLAP DOWN POSITION, A NOISE WAS HEARD AND THE FLAPS STOPPED. THE ACFT TAXIED BACK TO THE RAMP. AFTER INSPECTION, THE RT CONTROL SPROCKET, PN 0861500-71 ON THE FLAP ACTUATOR WAS FOUN
- [SDR QTV2011F00000](https://openairdocs.org/sdr/QTV2011F00000.md): Gasket · displaced · Jan 13, 2011 · N7947Q · Cessna 402B · Reciprocating Engine Cylinder Section
  > ON A MX CK FLIGHT, AFTER CHANGING THE NR1 AND THE NR5 CYLINDERS, THE PILOT SAW SMOKE FROM THE LT ENG NACELLE. HE SECURED THE ENG AND RETURNED TO THE HANGAR. UPON OUR INVESTIGATION WE FOUND THAT THE OIL LEVEL WAS STILL ABOUT THE SAME AND THERE WAS INDICATIONS
- [SDR CA100824003](https://openairdocs.org/sdr/CA100824003.md): Chain · broken · Aug 20, 2010 · Cessna 401B · Trailing Edge Flap Actuator
  > WHILE ON SHORT FINAL, AFTER FULL FLAPS HAD BEED SELECTED A LARGE BANG WAS HEARD. AIRPLANE ROLLED HARD TO THE RT. THE ALTITUDE WAS AT 200 FT. INPUT OPPOSITE AILERON TO BRING THE LOW WING UP. FLAPS WERE THEN SELECTED TO THE UP POSITION BUT NO CHANGE. ABORTED
- [SDR TVD2010F00000](https://openairdocs.org/sdr/TVD2010F00000.md): Spark Plug · weak · Mar 26, 2010 · N167WA · Cessna 402B · Spark Plug/Igniter
  > ON THE 2ND LEG OF A FLIGHT, THE PILOT EXPERIENCED AN OCCASIONAL MISFIRE THAT BECAME MORE REGULAR ADJUSTING MIXTURES AND CHECKING MAGNETOS. FAILE TO ISOLATE PROBLEM SO THE DECISION WAS MADE TO DIVERT WHERE AN UNEVENTFUL LANDING WAS MADE. MX WAS DISPATCHED FO
- [SDR CA090710007](https://openairdocs.org/sdr/CA090710007.md): Screw · broken · Jul 9, 2009 · Cessna 401A · Main Landing Gear
  > (CAN) RT MLG COLLAPSED DURING TURN TO LINE UP FOR TAKEOFF. PARTS FOUND FAILED AFTER COLLAPSE. ADJUSTING SCREW PN 0841113-3 FOUND SHEARED. BOLT ATTACHING BELLCRANK ASSY TO LANDING GEAR TRUNNION FOUND SHEARED. BOLT PN NAS464P4-26 FOUND SHEARED. MOUNTING LUG
- [SDR CA090807004](https://openairdocs.org/sdr/CA090807004.md): Support Bracket · broken · Jul 8, 2009 · Cessna 401B · Exhaust Turbocharger
  > RT TURBO SUPPORT BRACKET FOUND BROKEN DURING INSP.
- [SDR CA090520003](https://openairdocs.org/sdr/CA090520003.md): Crankcase · cracked · May 20, 2009 · Cessna 401B · Reciprocating Engine Power Section
  > (CAN) AN OIL LEAK WAS NOTED ON THE LT ENGINE. A CRACK WAS FOUND IN THE RT CRANKCASE HALF. THE CRACK WAS LOCATED AFT OF THE ALTERNATOR, FWD OF THE NR 5 CYL, 7TH STUD. THE ENGINE WAS REMOVED FOR REPAIR.
- [SDR 2008FA0000919](https://openairdocs.org/sdr/2008FA0000919.md): Spar · cracked · Dec 10, 2008 · N141MC · Cessna 402B · Wing Spar
  > DURING ROUTINE INSP, CRACKS WERE OBSERVED IN THE LT AUXILARY SPAR. THE MAIN GEAR IS ATTACHED AT THE OTBD END. THE CRACKS WERE AT THE 11, 2, 5 AND 7 O`CLOCK POSITIONS OF THE HOLE WHICH THE WIRE BUNDLE PASSES THROUGH, AND WERE OF VARYING LENGTH WITH THE 2 LOWE
- [SDR 2008FA0000921](https://openairdocs.org/sdr/2008FA0000921.md): Spar · cracked · Dec 10, 2008 · N402CA · Cessna 402B · Wing Spar
  > DURING ROUTINE INSP, CRACKS WERE OBSERVED IN THE LT AUXILARY SPAR. THE MAIN GEAR IS ATTACHED AT THE OTBD END. THE CRACKS WERE AT THE 11, 2, 5 AND 7 O`CLOCK POSITIONS OF THE HOLE WHICH THE WIRE BUNDLE PASSES THROUGH, AND WERE OF VARYING LENGTH. CRACKS WERE A
- [SDR ODR2008F00000](https://openairdocs.org/sdr/ODR2008F00000.md): Seal · leaking · Apr 24, 2008 · N87193 · Cessna 402B · Reciprocating Engine Oil System
  > DURING A PART 91 FLIGHT, THE RIGHT ENGINE BEGAN LEAKING OIL. WITHIN 15 MINUTES THE OIL LEAK GOT PROGRESSIVELY WORSE. SMALL PUFFS OF SMOKE CAME OUT OF THE TOP OF THE ENGINE. THE ENGINE WAS THEN SHUTDOWN AND FEATHERED. THE RESULT OF THE OIL LEAK WAS A BAD SEAL
- [SDR CA080328007](https://openairdocs.org/sdr/CA080328007.md): Arm · broken · Mar 27, 2008 · Cessna 401B · Landing Gear Doors
  > DURING PILOT WALKAROUND THE RT MAIN GEAR DOOR WAS HANGING SLIGHTLY DOWN FROM RETRACTED POSITION. MAINTENANCE TO REPLACE PART. (TC NR 20080328007)
- [SDR 2007FA0001019](https://openairdocs.org/sdr/2007FA0001019.md): Cylinder Head · cracked · Nov 13, 2007 · N69RP · Beech D55 · Reciprocating Engine Cylinder Section
  > CRACKED CYL HEAD BEHIND INJECTOR BETWEEN FIN NR 12, NR 3. DEFECTIVE MFG PROCESS. (K)
- [SDR 2007FA0001020](https://openairdocs.org/sdr/2007FA0001020.md): Cylinder Head · cracked · Nov 13, 2007 · N69RP · Beech D55 · Reciprocating Engine Cylinder Section
  > CRACKED CYLINDER HEAD BEHIND INJECTOR BETWEEN FIN NR 1, NR 3. DEFECTIVE MFG PROCESS. (K)
- [SDR 2007FA0001021](https://openairdocs.org/sdr/2007FA0001021.md): Cylinder Head · cracked · Nov 13, 2007 · N69RP · Beech D55 · Reciprocating Engine Cylinder Section
  > CRACKED CYLINDER HEAD BEHIND INJECTOR BETWEEN FIN NR 1, NR 3. DEFECTIVE MFG PROCESS. (K)
- [SDR 2007FA0001022](https://openairdocs.org/sdr/2007FA0001022.md): Cylinder Head · cracked · Nov 13, 2007 · N69RP · Beech D55 · Reciprocating Engine Cylinder Section
  > CRACKED CYLINDER HEAD BEHIND INJECTOR BETWEEN FIN NR 1, NR 3. DEFECTIVE MFG PROCESS. (K)
- [SDR 2007FA0001023](https://openairdocs.org/sdr/2007FA0001023.md): Cylinder Head · cracked · Nov 13, 2007 · N69RP · Beech D55 · Reciprocating Engine Cylinder Section
  > CRACKED CYLINDER HEAD BEHIND INJECTOR BETWEEN FIN NR 1, NR 3. DEFECTIVE MFG PROCESS. (K)
- [SDR 2007FA0001029](https://openairdocs.org/sdr/2007FA0001029.md): Cylinder Head · cracked · Nov 13, 2007 · N69RP · Beech D55 · Reciprocating Engine Cylinder Section
  > CRACKED CYLINDER HEAD BEHIND INJECTOR BETWEEN FIN NR 1, NR 3. DEFECTIVE MFG PROCESS. (K)
- [SDR 2007FA0001024](https://openairdocs.org/sdr/2007FA0001024.md): Cylinder Head · cracked · Nov 8, 2007 · N4165G · Cessna 402B · Reciprocating Engine Cylinder Section
  > CRACKED CYLINDER HEAD BEHIND INJECTOR BETWEEN FIN NR1, NR3. DEFECT IN MFG PROCESS. (K)
- [SDR 2007FA0001025](https://openairdocs.org/sdr/2007FA0001025.md): Cylinder Head · cracked · Nov 8, 2007 · N4165G · Cessna 402B · Reciprocating Engine Cylinder Section
  > CRACKED CYLINDER HEAD BEHIND INJECTOR BETWEEN FIN NR 1, NR 3. DEFECT IN MFG PROCESS. (K)
- [SDR 2007FA0001026](https://openairdocs.org/sdr/2007FA0001026.md): Cylinder Head · cracked · Nov 8, 2007 · N4165G · Cessna 402B · Reciprocating Engine Cylinder Section
  > CRACKED CYLINDER HEAD BEHIND INJECTOR BETWEEN FIN NR 1, NR 3. DEFECT IN MFG PROCESS. (K)
- [SDR 2007FA0001027](https://openairdocs.org/sdr/2007FA0001027.md): Cylinder Head · cracked · Nov 8, 2007 · N4165G · Cessna 402B · Reciprocating Engine Cylinder Section
  > CRACKED CYL HEAD BEHIND INJECTOR BETWEEN FIN NR 1, NR 3. (K)
- [SDR 2007FA0001028](https://openairdocs.org/sdr/2007FA0001028.md): Cylinder Head · cracked · Nov 7, 2007 · N4165G · Cessna 402B · Reciprocating Engine Cylinder Section
  > CRACKED CYLINDER HEAD BEHIND INJECTOR BETWEEN FIN NR1, NR3. DEFECT IN MFG PROCESS. (K)
- [SDR N3B2007F00002](https://openairdocs.org/sdr/N3B2007F00002.md): Bellcrank · broken · Sep 10, 2007 · N402BF · Cessna 402B · Landing Gear Retraction/Extension System
  > LT MAIN LANDING COLLAPSED ON LANDING. IT APPEARS THAT BELLCRANK ASSEMBLY, PN 50410015 FAILED DURING EXTENSION CYCLE. (K)
- [SDR ODR2007F00000](https://openairdocs.org/sdr/ODR2007F00000.md): Skin · cracked · May 22, 2007 · N87193 · Cessna 402B · Wing, Plate/Skin
  > 7-8 INCH CRACK IN SKIN OF WING LOCATED BETWEEN LT NACELLE AND FUSELAGE; AFT OF LEADING EDGE; ON TOP OF WING. APPARENT CAUSE IS FATIGUE DUE TO PREVIOUS OWNER WALKING ON WING. CRACK BECAME APPARENT DURING PRE-FLIGHT INSPECTION ON 5/22/2007. (K)
- [SDR N3B2007F00000](https://openairdocs.org/sdr/N3B2007F00000.md): Engine · shutdown · Feb 15, 2007 · N593DM · Cessna 402B · Engine (Reciprocating)
  > DURING LANDING (AT DESCISION HEIGHT) LT ENGINE SHUTDOWN CAUSING AIRCRAFT TO LAND WITH A YAW TO THE LT, PUTTING EXCESSIVE LOAD ON RT LANDING GEAR. AFTER LANDING, LT ENGINE WAS RESTARTED AND AIRCRAFT CONTINUED ITS TAXI, WHEN AC TURNED OFF RUNWAY. RT LANDING GE
- [SDR CA070125002](https://openairdocs.org/sdr/CA070125002.md): Screw · broken · Jan 24, 2007 · Cessna 401B · Landing Gear Door Retract Section
  > (CAN) UPON LANDING RT MLG INADVETENTLY RETRACTED. AIRCRAFT VEERED OFF RUNWAY. AIRCRAFT INSPECTED AND CAUSE DEEMED FAILURE OF RT MLG ADJUSTING SCREW CAUSING SIDE BRACE ASSY TO UNLOCK. (TC NR 20070125002)
- [SDR OEZ2007F00000](https://openairdocs.org/sdr/OEZ2007F00000.md): Fork · broken · Dec 10, 2006 · N767EA · Cessna 402B · Nose/Tail Landing Gear
  > UPON LANDING AT AIRPORT, NOSE LANDING GEAR ILLUMINATION LIGHTS DID NOT SHOW THAT THE NOSE GEAR WAS IN THE DOWN AND LOCKED POSITION. MAIN LANDING GEAR INDICATED DOWN AND LOCKED WITH A GREEN LIGHT INDICATION. TOWER CONFIRMED THAT THE NOSE LANDING GEAR WAS NOT
- [SDR CA060510011](https://openairdocs.org/sdr/CA060510011.md): Trunnion · cracked · May 2, 2006 · Cessna 401B · Main Landing Gear Strut/Axle/Truck
  > THE RT MAIN LANDING GEAR OLEO WENT FLAT AFTER LANDING. A CRACK WAS NOTICED ON THE UPPER TRUNNION, JUST UNDER THE SIDE BRACE ATTACH FITTING. THE UPPER TRUNNION WAS REPLACED.
- [SDR 2006F00014](https://openairdocs.org/sdr/2006F00014.md): Sensor · false indication · Jan 18, 2006 · N7947Q · Cessna 402B · Engine Oil Temperature
  > OIL TEMP INDICATOR INDICATED FULL HOT READING ON INITIAL CLIMB. A/C RETURNED TO AIRPORT. OIL TEMP SENSOR WAS REPLACED AND AIRCRAFT WAS RETURNED TO SERVICE WITH NORMAL OPERATING INDICATIONS.
- [SDR TZR2005F00028](https://openairdocs.org/sdr/TZR2005F00028.md): Cylinder · cracked · Jul 12, 2005 · N409TE · Cessna 401A · Reciprocating Engine Cylinder Section
  > RT ENGINE NR 5 CYLINDER. LOW COMPRESSION. (K)
- [SDR TZR2005F00029](https://openairdocs.org/sdr/TZR2005F00029.md): Cylinder · cracked · Jul 12, 2005 · N409TE · Cessna 401A · Reciprocating Engine Cylinder Section
  > CRACKED BETWEEN SPARK PLUG BOSS AND EXHAUST CYLINDER. TYPICAL OF THE CYLINDERS. (K)
- [SDR CA050722006](https://openairdocs.org/sdr/CA050722006.md): Rudder Pedal · cracked · May 27, 2005 · Cessna 401A · Wing Miscellaneous Structure
  > PILOT REPORTED THAT RT PARK BRAKE DOES NOT HOLD WHEN SET. UPON MAINTENANCE INSPECTION IT WAS DISCOVERED THAT CAPTAINS OB RUDDER PEDAL INTERCOSTAL MOUNT AT STATION 110.00 WAS CRACKED. IT WAS REPAIRED AS PER CESSNA SRM SECTION 16-38 FIGURE 16-25.
- [SDR TZR2005F00018](https://openairdocs.org/sdr/TZR2005F00018.md): Cylinder · cracked · Apr 5, 2005 · N405TE · Cessna 401 · Reciprocating Engine Cylinder Section
  > CRACKED FROM INJECTOR TOWARD SPARK PLUG, ECI CYLINDER. (SW05200507951) (K)
- [SDR TZR2005F00027](https://openairdocs.org/sdr/TZR2005F00027.md): Torque Link · cracked · Mar 4, 2005 · N409TE · Cessna 401A · Main Landing Gear
  > THE LT AND RT MLG HAD CRACKS ON THE BOSS AREA WHERE THE TORQUE LINKS ATTACH. THE CRACKS WERE ABOUT.2500 INCH LONG AND LOCATED NEXT TO WHERE THE BOSS CONNECTS TO THE TUBE. (K)
- [SDR CA041025001](https://openairdocs.org/sdr/CA041025001.md): Bellcrank · unserviceable · Oct 20, 2004 · Cessna 401B · Landing Gear Door Retract Section
  > (CAN) LANDING GEAR IDLER BELCRANK PN 0541106-6 ON NR 2 MAIN LANDING GEAR, GEAR DOOR CONTROL LOBE FOUND SEVERED RESULTING IN GEAR DOOR HANGING DOWN. UPON INSPECTION OF RT LANDING GEAR SYSTEM FOUND A CRACKED WELD ON THE NR 2 TORQUE TUBE ASSEMBLY RESULTING FROM B
- [SDR CA040621011](https://openairdocs.org/sdr/CA040621011.md): Actuator · worn · Jun 17, 2004 · Cessna 401B · Trailing Edge Flap Actuator
  > ON APPROACH, THE FLAPS WERE LOWERED TO 45 DEG BUT ONLY WENT TO 30 DEG. THE AIRCRAFT LANDED SAFELY. THE FLAP ACTUATOR INTERNAL GEARS WERE FOUND STRIPPED. THE ACTUATOR WAS REPLACED WITH AN OVERHAULED UNIT.
- [SDR CA040616011](https://openairdocs.org/sdr/CA040616011.md): Door · separated · May 19, 2004 · Cessna 401B · Emergency Exits
  > AFTER TAKEOFF A GROWING WHISTLING SOUND DEVELOPED IN INTENSITY OVER PILOTS LEFT SHOULDER. THERE WAS A LOUD POP OF A NOISE AND THE PILOT SAW THE STARBOARD EMERGENCY EXIT SELF EJECT OUT AND BACK FROM THE REST OF THE PLANE. AIRSPEED WAS REDUCED 170 MPH. PLANE
- [SDR TZR2004F00005](https://openairdocs.org/sdr/TZR2004F00005.md): Turbocharger · failed · Mar 10, 2004 · N403TE · Cessna 401 · Exhaust Turbocharger
  > PILOT REPORTED LOSS OF TURBO BOOST AND OIL PRESSURE, SHUT DOWN ENGINE AND FEATHERED PROPELLER IN FLIGHT. LANDED AIRCRAFT WITHOUT FURTHER INCIDENT. DURING POST FLIGHT INSPECTION OF TURBO OIL WAS OBSERVED IN THE EXHAUST OVERBOARD PIPE INDICATING SEAL FAILURE.
- [SDR CA030826003](https://openairdocs.org/sdr/CA030826003.md): Plate · cracked · Aug 8, 2003 · Cessna 401B · Fuel Storage
  > (CAN) DURING A NR 3 INSPECTION, A FUEL STAIN WAS NOTICED AROUND THE RT NAVIGATION LIGHTCOVER. THE COVER WAS REMOVED AND A CRACK WAS FOUND ON THE FORWARD FUEL TANK PLATE. THE CRACK WAS UNDER THE LOWER STROBE LIGHT BRACKET, CAUSING FUEL TO LEAK INTO THE STROBE L
- [SDR 2003FA0000507](https://openairdocs.org/sdr/2003FA0000507.md): Drive Gear · inoperative · May 8, 2003 · N918AA · Cessna 335 · DC Generator-Alternator
  > REPORTED ALTERNATOR INOPERATIVE. UPON REMOVAL OF ALTERNATOR FOUND ALTERNATOR DRIVE GEAR TO BE DESTROYED. REMOVED AND INSPECTED OIL FILTER. FOUND SIGNIFICANT AMOUNTS OF METAL.

Next page: https://openairdocs.org/engine/continental-tsio-520-eb/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 = 'TSIO520EB'
ORDER BY difficulty_date DESC
```

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

---
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