Bell 47G-3B

Service difficulty reports · 24

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 aircraft_model_key = '47G3B'
  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 AUS20020628Stud · failed(AUS) COOLING FAN MOUNT STUD LOCATED ON CRANKCASE FAILED. LOSS OF TENSION ALLOWED BELT TO FALL OFF AND DESTROY THE COOLING FAN.Apr 21, 2002 · Bell 47G3B · Rotorcraft Cooling Fan SystemSDR AU990947Pitch Horn · loose(AUS) TAIL ROTOR BLADE PITCH HORN LOOSE.Aug 25, 1999 · Bell 47G3B · Tail Rotor BladesSDR AU981510Spring · broken(AUS) NR 1 CYLINDER INLET VALVE OUTER VALVE SPRING BROKEN.Sep 30, 1998 · Bell 47G3B · Reciprocating Engine Cylinder SectionSDR AU980929Driveshaft · misaligned(AUS) TAIL ROTOR DRIVE SHAFT AND BEARINGS OUT OF ALIGNMENT. GREASE DISCOLOURED AT NR 1, NR 2, NR 7, AND NR 8 BEARINGS. ALL BEARINGS SHOWED SIGNS OF HEAVY WEAR.Jul 2, 1998 · Bell 47G3B · Tail Rotor Drive ShaftSDR AU980288Bearing · worn(AUS) PILOTS COLLECTIVE LEVER BEARING WORN. UNAPPROVED REPAIR HAD BEEN CARRIED OUT TO TAKE UP THE PLAY IN THE WORN SHAFT AND BEARING. UNAPPROVED REPAIR. PERSONNEL/MAINTENANCE ERROR.Mar 18, 1998 · Bell 47G3B · Main Rotor ControlSDR AU980287Drive Shaft · worn(AUS) TAIL ROTOR DRIVE SHAFT COUPLING SPLINES WORN 0.3556MM (0.014 INCH) BELOW MINIMUM DIMENSIONS.Mar 18, 1998 · Bell 47G3B · Tail Rotor Drive ShaftSDR AU980290Nut · worn(AUS) MAIN ROTOR RETAINING NUT FACE WORN BY SEAL EDGE LIP.Mar 11, 1998 · Bell 47G3B · Main Rotor HeadSDR AU980278Nut · worn(AUS) MAIN ROTOR MAST NUT WORN. SEAL EDGE LIP WORN INTO NUT FACE.Mar 11, 1998 · Bell 47G3B · Main Rotor HeadSDR AU980234Support · cracked(AUS) STABILIZER BAR DAMPER SUPPORT PLATE CRACKED AT ONE OF THE FOUR MOUNTING BOLT HOLES.Mar 3, 1998 · Bell 47G3B · Main Rotor HeadSDR AU971398Cooling Fan · corroded(AUS) COOLING FAN CORRODED. TWO ADJACENT BLADES BROKEN OFF. BROKEN BLADES CUT THROUGH THE VOLTAGE REGULATOR COVER AND IMPACTED THE REGULATOR COOLING FINS. THEY THEN TRAVELLED DOWNWARDS, DAMAGING THE FUEL GAUGE LINE BEFORE COMING TO REST ON THE TAIL ROTOR CONTRNov 8, 1997 · Bell 47G3B · Rotorcraft Cooling Fan SystemSDR 98ZZZX84Bellows · failedHELICOPTER LOST ENGINE POWER IN-FLIGHT. DURING GROUND RUN TROUBLESHOOTING PROCESS, THE ENGINE WOULD NOT OPERATE ABOVE 1500 RPM. THE MARVEL SCHEBELER (MODEL MA-6AA, SN AH-1-383) CARBURETOR WAS BENCH TESTED BY THE NTSB AND WOULD ONLY PERFORM APPROXIMATELY 50 POct 28, 1997 · N47AH · Bell 47G3B · Fuel Control/Reciprocating EnginesSDR AU971468Turbocharger · failed(AUS) ENGINE TURBOCHARGER FAILED. INVESTIGATION FOUND THAT THE EXHAUST TURBINE HAD BEEN SKIDDING ON THE REAR THRUST FACE.Aug 13, 1997 · Bell 47G3B · Exhaust TurbochargerSDR AU961097Cooling Fan · cracked(AUS) ENGINE COOLING FAN BLADE CRACKED AT BASEAug 1, 1996 · Bell 47G3B · Rotorcraft Cooling Fan SystemSDR AU960911Grip · cracked(AUS) MAIN ROTOR HEAD GRIPS CRACKED - FOUND DURING EDDY CURRENT INSPECTION IAW AD/BELL47/92 AMDT4Jun 14, 1996 · Bell 47G3B · Main Rotor HeadSDR AU960819Bearing · failed(AUS) TRANSMISSION FAN DRIVE BEARING FAILED - METAL CONTAMINATION OF OIL SYSTEMMay 30, 1996 · Bell 47G3B · Main Rotor GearboxSDR AU960689Bearing · failed(AUS) MAIN TRANSMISSION LOWER SUN GEAR BEARING CAGE DISINTEGRATED - BEARING OIL PRESSURE JETS WERE ALSO FOUND TO BE BLOCKED WITH A NON FERROUS METAL (METAL DID NOT ORIGINATE FROM THE TRANSMISSION)- TRANSMISSION HAD BEEN FITTED FOR APPROXIMATELY 80 HOURS -FURTMay 21, 1996 · Bell 47G3B · Main Rotor GearboxSDR AU960822Bearing · failed(AUS) MAIN TRANSMISSION COOLING FAN DRIVE BEARING FAILED - METAL CONTAMINATION OF TRANSMISSION OIL SYSTEMMay 20, 1996 · Bell 47G3B · Main Rotor GearboxSDR AU960537Plate · cracked(AUS) MAIN ROTOR SWASHPLATE CONTROL PLATE FORE/AFT CYCLIC INPUT HORN LUG CRACKED AND BROKEN ON LH SIDEApr 16, 1996 · Bell 47G3B · Main Rotor Mast/SwashplateSDR AU960823Bearing · failed(AUS) MAIN ROTOR MAST BEARING FAILED - SUSPECT CAUSED BY HEAVY LANDING - METAL CONTAMINATION OF OIL SYSTEMApr 12, 1996 · Bell 47G3B · Main Rotor Mast/SwashplateSDR AU960435Bearing · undersize(AUS) MAIN ROTOR FREE WHEEL UNIT BEARING ROLLERS UNDERSIZE - SEE MDR 96/0433 FOR ADDITIONAL INFORMATIONMar 28, 1996 · Bell 47G3B · Engine/Transmission CouplingSDR AU960433Bearing · undersize(AUS) MAIN ROTOR TRANSMISSION DRIVE FLANGE SHEAR SCREWS DISTORTED - SUSPECT DUE TO SLIPPAGE OF THE FREEWHEEL UNIT DUE TO FITMENT OF UNDERSIZE BEARING ROLLERS AND SUBSEQUENT SHOCK LOADING DURING RE-ENGAGEMENT - SEE ALSO MDR 96/0435 AND MDR 96/0341Mar 28, 1996 · Bell 47G3B · Engine/Transmission CouplingSDR AU960323Seat Belt · wrong part(AUS) SEAT BELTS DO NOT COMPLY WITH NOTE 2 OF AD/RES/27 AMDT1 - UNAPPROVED PARTMar 20, 1996 · Bell 47G3B · Flight Compartment EquipmentSDR AU960341Bearing · worn(AUS) MAIN ROTOR TRANSMISSION PNO 47-620-600-27 MAIN DRIVE FLANGE SHEARBOLTS PNO 047-620-485-009 SHEARED - DAMAGE TO MAIN ROTOR SWASHPLATE AND CONTROL RODS - TAIL ROTOR DRIVE SHAFT FAILED AT FORWARD HANGER BEARING - INSPECTION FOUND THAT THE ROLLER BEARINGS PNFeb 23, 1996 · Bell 47G3B · Engine/Transmission CouplingSDR AU960065Bearing · seized(AUS) TAIL ROTOR CONTROL BARREL BEARING SEIZED - BEARINGS ARE SEALED UNITSJan 19, 1996 · Bell 47G3B · Tail Rotor Control System
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