Continental IO-520-C

Service difficulty reports · 329

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 = 'IO520C'
  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 96ZZZX3338Crankcase · crackedCRANKCASE FOUND CRACKED, LEFT SIDE, ABOVE NR 4 CYLINDER. THIS IS THE 'HEAVY' STYLE CRANKCASE AND IS NOT COVERED BY AD 77-13-22. SUBMITTER RECOMMENDS INCLUDING THIS SERIES CRANKCASE IN AD 77-13-22.Jun 14, 1996 · N114PC · Beech 58 · Reciprocating Engine Power SectionSDR AU960906Gear · damaged(AUS) CRANKCASE CRACKED - CAMSHAFT GEAR AND MAGNETO IDLER GEAR DAMAGED - MAGNETO IDLER GEAR SHAFT BENT - MAGNETO DRIVE GEARS BADLYSPALLED - FOUND DURING ENGINE BULK STRIP FOLLOWING DISCOVERY OF SEVERAL BROKEN CYLINDER BASE STUDS - PERSONNEL/MAINTENANCE ERRORJun 8, 1996 · Beech 58 · Reciprocating Engine Power SectionSDR AU960843Bolt · cracked(AUS) ENGINE MOUNT ATTACHMENT BOLT CRACKED UNDER HEAD - FOUND DURING NDT INSPECTION IAW AD/B55/74May 16, 1996 · Beech 95C55 · Engine Mount SectionSDR AU960844Mount · cracked(AUS) ENGINE MOUNT STRUCTURE CRACKED IN FOUR PLACES - FOUND DURING NDT INSPECTION IAW AD/B55/74May 15, 1996 · Beech 58 · Engine Mount SectionSDR AU960579O-Ring · wrong part(AUS) PROPELLER BLADE RETENTION NUT 'O' RINGS WERE THE INCORRECT TYPE CAUSING EXCESSIVE BINDING ON FERRULE - PERSONNEL/MAINTENANCE ERROR - UNAPPROVED PARTMay 2, 1996 · Beech D55 · Propeller AssemblySDR AU960608Indicator · broken wire(AUS) RH MAIN LANDING GEAR INDICATOR LAMP WIRE BROKENApr 26, 1996 · Beech 58 · Landing Gear Position and WarningSDR AU960506Bracket · broken(AUS) LH ENGINE LOWER MOUNT BRACKETS PNO 630694 AND PNO 630695 BROKENApr 23, 1996 · Beech 58 · Engine Mount SectionSDR AU960876Rib · cracked(AUS) WING RIBS AND SKINS CRACKED IN AREA OF WHEEL WELLSApr 12, 1996 · Cessna 310R · Wing, Rib/BulkheadSDR 96ZZZX2026Magneto · failedROUGH MAGNETO ENCOUNTERED ON RUN-UP MAGNETO CHECK. INSPECTION FOUND FAILED ROTOR AT TRAILING FINGER TOWER WHICH CAUSED ROTOR TO LOCK UP IN TOWER, SHEARING DRIVE GEARS ON PLASTIC GEAR BENDING DRIVE COUPLING TIN, AND DESTROYING DRIVE CUSHIONS AND DEFORMING END Apr 5, 1996 · N738T · Beech 58 · Magneto/DistributorSDR AU960588Bolt · corroded(AUS) WING BOLTS CORRODED DUE TO COVERING OF BARIUM CHROMATEMar 20, 1996 · Beech 58 · Wing Miscellaneous StructureSDR 96ZZZX1713Control Cable · failedCONTROL CABLE SOLID SHAFT BROKE NEAR ROD END THREADS ASSY - WHERE THIS ASSY IS SWEDGED TO SOLID SHAFT.Mar 16, 1996 · N511CF · Beech 58 · Power LeverSDR AU960336Crankcase · cracked(AUS) CRANKCASE CRACKED FROM NO6 CYLINDER TOP REAR STUD - FURTHER INVESTIGATION FOUND CRANKCASE WAS CRACKED IN FOUR AREAS -CRACKING CAUSED BY THERMAL STRESS DUE TO POWER AND TEMPERATURE LOADS IMPOSED DURING FLIGHT TRAININGMar 13, 1996 · Beech 58 · Reciprocating Engine Power SectionSDR AU960317Spring · broken(AUS) LH ENGINE LH MAGNETO IMPULSE COUPLING SPRING BROKEN - ENGINE HAD NOT OPERATED FOR APPROXIMATELY 8 MONTHS WHILE AIRCRAFT WAS WAITING FOR FITMENT OF THE RH ENGINE - ENGINE WAS GROUND RUN ON AWEEKLY BASIS - SUSPECT CORROSION AS CAUSE OF FAILUREMar 10, 1996 · Beech 58 · Magneto/DistributorSDR AU960365Tube · deflated(AUS) LH MAIN LANDING GEAR TYRE DEFLATED DURING LANDING ROLL - INVESTIGATION COULD FIND NO FAULT WITH THE TYRE BUT THE TUBE CONTAINED A SMALL TEAR SUSPECT CAUSED FOLLOWING DEFLATION AS TYREWAS BADLY DAMAGED DURING LANDING ROLL WHILE FLATMar 6, 1996 · Beech 58 · Tire TubeSDR AU960229Screw · loose(AUS) PROPELLER SCREW LOOSE AND CONTACTING LOW PITCH STOP CAUSING PROPELLER TO FEATHER ON SHUTDOWNFeb 21, 1996 · Beech 58 · Propeller AssemblySDR AU960311Bearing · seized(AUS) LH ELEVATOR PUSH-PULL ROD BEARING PNO NAS77-4-97 SEIZED AND WORKING IN FITTING PNO 95-610005-3 - ELONGATED HOLE WORN INFITTINGFeb 20, 1996 · Beech 95C55 · Elevator Control SystemSDR AU960243Baffle · disintegrated(AUS) RH WING FUEL SYSTEM RESERVOIR FOAM BAFFLE DISINTEGRATED - FOUND DURING INSPECTION IAW SB 2109 PARA 1 - SUSPECT BAFFLE HAD NOTBEEN REPLACED IAW BEECH SB 2109 PART 2 - PERSONNEL/MAINTENANCE ERRORFeb 17, 1996 · Beech 58 · Fuel StorageSDR 96ZZZX3442Crankcase · failedDIPSTICK DEPARTED AIRCRAFT ON FINAL. MAINTENANCE UNCOWLED ENGINE TO PERFORM COMPRESSION TEST. ENGINE CRANKCASE HAD ERUPTED BETWEEN NR 1 AND NR 2 CYLINDER. BOTH MAGNETOS TORN FROM MOUNTING PADS NR 1 AND NR 2 CYLINDER ROD CAPS AND ROD BOLTS SHEARED FROM RODS Feb 12, 1996 · N4520S · Beech 58 · Reciprocating Engine Power SectionSDR AU960157Crankcase · cracked(AUS) CRANKCASE CRACKED IN AREA OF NO4 CYLINDER - CRACK RADIATES FORWARD FROM THE FORWARD OIL FILTER STUD - CRACK LENGTH 135MM(5.314IN) - AIRCRAFT IS USED FOR TRAINING PURPOSESJan 31, 1996 · Beech 58 · Reciprocating Engine Power SectionSDR AU960313Plate · cracked(AUS) WING CENTRE SECTION FORWARD SPAR WEB PLATE LOCATED AT RH UPPER WING ATTACHMENT AREA CRACKEDJan 31, 1996 · Beech 58 · Wing Miscellaneous StructureSDR AU960094Blade · distorted(AUS) BOTH PROPELLER BLADES BENT AND TWISTED - NO IMPACT DAMAGE VISIBLE- SUSPECT DAMAGE CAUSED BY MISUSE OF BLADE BATSJan 23, 1996 · Beech E55 · Propeller Blade SectionSDR AU960167Blade · damaged(AUS) PROPELLER BLADE CONTAINED TOOLING MARK DAMAGE IN BALANCE CAVITY -SUSPECT CAUSED DURING REMOVAL OF BALANCE LEAD - BLADE SNO C49080Jan 23, 1996 · Beech E55 · Propeller Blade SectionSDR 95ZZZX5796Connect Rod · failedRIGHT ENGINE, NR 6, CONNECTING ROD WENT THROUGH ENGINE CASE. REMOVED AND REPLACED ENGINE. CAUSE UNKNOWN AT THIS TIME.Aug 1, 1995 · N95BB · Beech 58 · Reciprocating Engine Power SectionSDR 95ZZZX4306Line · failedPILOT REPORTED OIL LOSS FROM RIGHT ENGINE COMPARTMENT. INSPECTION REVEALED THE METAL LINE CONNECTED TO THE PROPELLER GOVERNOR HAD SEPARATED JUST BELOW THE FLARE. A NEW LINE WAS INSTALLED. REASON FOR FAILURE IS UNKNOWN.Jul 21, 1995 · N365C · Beech 58 · Reciprocating Engine Oil SystemSDR 95ZZZX3674Crankcase · crackedAIRCRAFT HAS SEVERAL OIL LEAKS ON RT ENGINE FINALLY RESULTING IN CRACKED CASE. SUSPECT THAT WHEN TEAR DOWN IS DONE, CRANK HAS COUNTERWEIGHT PROBLEM. THIS IS THE THIRD ENGINE THIS YEAR TO REJECT DUE TO CRANK PROBLEMS. SUBMITTER STATED MAYBE ENGINE OVERHAUL SJul 16, 1995 · N91WC · Beech E55 · Reciprocating Engine Power SectionSDR BIER950012Mixture Cable · failedFOUND MIXTURE CABLE BROKEN AT MIXTURE END ROD END ATTACH. REMOVED AND REPLACED CABLE. SUBMITTER STATES PROBLEM SEEMS TO BE FROM INSUFFICIENT LUBRICATION OF CABLE, CABLE MOVEMENT WAS EXTREMELY STIFF WHEN REMOVED.May 10, 1995 · N4098S · Beech 58 · Fuel Controlling SystemSDR 95ZZZX2176Cylinder · stud shearedPILOT REPORTED OIL LEAK. UPON INSPECTION, 3 UPPER CYLINDER BASE STUDS FOUND SHEARED. REMOVED CYLINDER AND NOTICED CASE CRACKED AT LOWER RIGHT STUD.Apr 14, 1995 · N111AW · Beech 58 · Reciprocating Engine Power SectionSDR 95ZZZX2261Oil Pan · crackedDURING FLIGHT, PILOT NOTICED OIL STREAMING FROM RT COWLING. INSPECTION BY MAINTENANCE PERSONNEL REVEALED A 2 INCH CRACK IN THE OIL PAN AT LOWER RADIUS. SUSPECT FATIGUE, POOR STAMPING, DURING MANUFACTURING.Apr 10, 1995 · N69RP · Beech D55 · Reciprocating Engine Oil SystemSDR 95ZZZX2671Coil · failedNO HIGH TENSION RESISTANCE. SECOND COIL REPLACED ON AIRCRAFT. THIS COIL DATE CODE 91688.Jan 26, 1995 · N358Y · Beech 58 · Magneto/Distributor
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