Continental IO-520-B

Service difficulty reports · 76

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 = 'IO520B'
  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 AU991097Crankcase · cracked(AUS) RIGHT CRANKCASE HALF CRACKED FROM THE ALTERNATOR MOUNT FLANGE TOWARDS NR 5 CYLINDER.Oct 5, 1999 · Beech F33A · Reciprocating Engine Power SectionSDR AU990719Crankcase · cracked(AUS) CRANKCASE CRACKED IN AREA BETWEEN NR 5 CYLINDER AND ALTERNATOR PAD.Jul 20, 1999 · Reciprocating Engine Power SectionSDR AU990350Spar · cracked(AUS) WING CARRY THROUGH SPAR CRACKED. CRACKS LOCATED IN FRONT RIGHT CORNER AND AT LEFT REAR. FOUND DURING INSPECTION IAW AD/BEECH33E/37.Apr 12, 1999 · Beech E33A · Wing SparSDR AU990296Points · worn(AUS) MAGNETO CONTACT POINTS ASSEMBLY WORN EXCESSIVELY ALLOWING THE POINTS GAP TO VARY CONSIDERABLY.Mar 26, 1999 · Beech F33A · Magneto/DistributorSDR AU990290Fitting · corroded(AUS) LEFT FORWARD LOWER WING ATTACHMENT FITTING CONTAINED SEVERE EXFOLIATION CORROSION IN THE AREA OF THE GUSSET.Mar 19, 1999 · Beech F33A · Wing, Attach FittingsSDR 99ZZZX1212Alternator · failedINSTALLED ALTERNATOR AND UNIT FAILED TO OPERATE. AFTER INSPECTION, CAUSE OF FAILURE WAS THE BRUSHES. DURING ASSEMBLY, SOMEONE HAD PUT SOME TYPE OF EPOXY ON BRUSHES TO HOLD THEM IN THE BRUSH HOLDER. THIS, IN EFFECT, KEPT THE BRUSHES FROM MAKING CONTACT.Mar 10, 1999 · N2722A · Beech V35A · DC Generator-AlternatorSDR 99ZZZX1173Magneto · corrodedWATER INTRUSION INTO MAGNETO CAUSING COMPLETE FAILURE; THIRD SIMILAR OCCURRENCE ON THE 1,200 SERIES MAG IN 20 MONTHS. ALL HAVE BEEN ON CONT IO520 ENGINES FRONT MOUNTED MAGS. RECOMMEND DISCONTINUE USE OF THIS MAG ON LARGE CONT ENGINES I.E., 470, 520, 550 AIRCFeb 26, 1999 · N1810L · Beech A36 · Magneto/DistributorSDR AU990072Switch · failed(AUS) ELT INERTIA SWITCH FAULTY.Jan 25, 1999 · Beech F33A · Emergency Locator BeaconSDR 99ZZZX704Harness · damagedRUBBER INSULATOR STICKING IN SPARK PLUG. LEAD PULLS LOOSE OF CRIMP ON SRPING END DURING REMOVAL.Dec 14, 1998 · N2431T · Tmpson NAVIONG · Ignition Harness (Distribution)SDR AU981374Engine · rough(AUS) ENGINE RUNNING ROUGH AND STOPPED WHEN THE THROTTLE WAS RETARDED FOLLOWING LANDING. INVESTIGATION COULD FIND NO FAULT. SUBMITTER SUSPECTED FUEL CONTAMINATION OR FUEL VAPOR LOCK.Oct 19, 1998 · Beech A36 · Engine (Reciprocating)SDR AU981314Bracket · corroded(AUS) LEFT LANDING GEAR UPLOCK BRACKET SEVERELY CORRODED.Oct 13, 1998 · Beech A36 · Landing Gear Retraction/Extension SystemSDR AU981315Bracket · corroded(AUS) RIGHT LANDING GEAR UPLOCK BRACKET SEVERELY CORRODED.Oct 13, 1998 · Beech A36 · Landing Gear Retraction/Extension SystemSDR AU971486Filter · cracked(AUS) INLINE PRESSURE FILTER TO DIR GYRO CRACKED AND LEAKING.Nov 27, 1997 · Beech F33A · Pitot/Static SystemSDR AU971384Crankcase · cracked(AUS) ENGINE LH CRANKCASE HALF CRACKED IN AREA OF NO3 BEARING SADDLE.Oct 31, 1997 · Reciprocating Engine Power SectionSDR 97ZZZX1920Crankcase · crackedDURING ANNUAL INSPECTION, CRANKCASE AT NR 2 CYLINDER BASE STUD FOUND CRACKED FOUR INCHES LONG. THIS IS A LIGHT CASE ENGINE.Apr 15, 1997 · N8604Q · Beech S35 · Reciprocating Engine Power SectionSDR AU970341Control Cable · corroded(AUS) LH AILERON CONTROL CABLE CONTAINED SEVERE CORROSION AND FRAYING IN AREA BENEATH CLAMP BETWEEN AUTOPILOT ROLL SERVO TO CONTROL CABLEMar 30, 1997 · Beech A36 · Aileron Control SystemSDR 97ZZZX1641Cylinder · failedCYLINDER HEAD CAME OFF IN-FLIGHT 2-28-97. NO DAMAGE OR OIL LEAK OCCURRED. REPLACED CYLINDER.Feb 28, 1997 · N1194A · Beech 36BEECH · Reciprocating Engine Cylinder SectionSDR AU970295Valve · faulty(AUS) NO4 CYLINDER EXHAUST VALVE FAULTY - FURTHER INVESTIGATION FOUND NO3 CYLINDER EXHAUST VALVE IN SIMILAR CONDITION - METAL CONTAMINATION OF OIL SYSTEMFeb 21, 1997 · Beech A36 · Reciprocating Engine Cylinder SectionSDR AU970127Connector · corroded(AUS) MAIN ALTERNATOR CABLE TO CURRENT LIMITER AND CURRENT LIMITER TO SHUNT AND MAIN AIRCRAFT DC BUSS CONNECTIONS CORRODEDFeb 18, 1997 · Beech A36 · DC Power Distribution SystemSDR AU961132Spar · cracked(AUS) RUDDER SPAR CRACKED - FOUND DURING INSPECTION IAW AD/BEECH33/36 AMDT1Aug 6, 1996 · Beech F33A · Rudder, Spar/RibSDR AU960899Cover · corroded(AUS) MAGNETO CORRODED BETWEEN MAGNETO COVER PNO 10-349393-2 AND CAPACITOR PNO 10-349276Jun 23, 1996 · Magneto/DistributorSDR AU960975Capacitor · corroded(AUS) RH MAGNETO CAPACITOR CORRODED IN AREA OF CONTACT WITH CASEJun 21, 1996 · Magneto/DistributorSDR AU960860Cylinder · separated(AUS) NO2 CYLINDER HEAD SEPARATED FROM BARRELJun 7, 1996 · Beech A36 · Reciprocating Engine Cylinder SectionSDR AU960480Spar · cracked(AUS) FUSELAGE FRONT SPAR CARRY THROUGH SECTION CRACKED AT BOTH OUTBOARD SIDESApr 15, 1996 · Beech V35A · Wing SparSDR AU960481Spar Cap · corroded(AUS) RH WING LOWER SPAR CAP CORRODEDFeb 12, 1996 · Beech V35 · Wing SparSDR 95ZZZX6387Crankshaft · failedIN-FLIGHT, CRUISE SETTING, ENGINE RPM DROPPED TO ZERO, PROPELLER ROTATED 2-3 TIMES AFTER RPM GAUGE READ ZERO. PILOT EXECUTED EMERGENCY LANDING. UPON ENGINE TEAR-DOWN, FOUND CRANKSHAFT BROKEN AT FORWARD CHEEK OF NR 2 MAIN BEARING JOURNAL. SUSPECT DEFECT (SCROct 23, 1995 · N185RM · Cessna A185F · Reciprocating Engine Power Section
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