# Service difficulty reports: Bell 47G-3B-1

A list on [Bell 47G-3B-1](https://openairdocs.org/model/bell-47g-3b-1.md).

Newest first. General aviation reporting is voluntary.

- [SDR 2011FA0000333](https://openairdocs.org/sdr/2011FA0000333.md): Line · loose · May 24, 2011 · N96SH · Bell 47G3B1 · Pneumatic Distribution System
  > (PC) PNEUMATIC LINE CAME LOOSE AT THE FCU CAUSING ENGINE SPOOL DOWN IN FLIGHT. NUMERIOUS CSL HAVE BEEN ISSUED ON THIS TOPIC, BUT SEEM NOT TO BE BEING FOLLOWED. AN AD SHOULD BE CONSIDERED TO ENFORCE COMPLIANCE WITH LINE SECURITY. THIS IS A KNOWN AND CONTINUI
- [SDR 2005FA0001309](https://openairdocs.org/sdr/2005FA0001309.md): Grip · cracked · Sep 3, 2005 · N8554F · Bell 47G3B1 · Main Rotor System
  > MAIN ROTOR GRIP, CRACK IN THREADS. (K)
- [SDR AU510001577](https://openairdocs.org/sdr/AU510001577.md): Shaft · wrong part · Aug 6, 2005 · Bell 47G3B1 · Tail Rotor Gearbox
  > TAIL ROTOR GEARBOX PINION SHAFT WORN AND INCORRECT PART. BELL 47 SI 428 CALLED FOR REPLACEMENT OF P/N 47-645-205-1 WITH P/N 47-645-205-3 SHAFT.
- [SDR AUS20040411](https://openairdocs.org/sdr/AUS20040411.md): Bracket · missing · Apr 5, 2004 · Bell 47G3B1 · Tail Rotor Control System
  > (AUS) DUAL TAIL ROTOR CONTROL PEDAL SYSTEM INTERFERENCE BRACKET NOT FITTED. AD/BELL47/69 REQUIRES THE BRACKET TO BE FITTED TO DUALCONTROL BELL/AGUSTA 47 SERIES AIRCRAFT. THE BRACKET PREVENTS INCORRECT FITMENT OF THE DUAL PEDAL CONTROLS. PERSONNEL/MAINTENANCE E
- [SDR 2004FA0000067](https://openairdocs.org/sdr/2004FA0000067.md): Housing · cracked · Dec 23, 2003 · N8548F · Bell 47G3B1 · Main Rotor Gearbox
  > CRACK-LIKE INDICATION DETECTED AT FLUID HOLE AREA. FP INSPECTION USED.
- [SDR 2004FA0000063](https://openairdocs.org/sdr/2004FA0000063.md): Grip · cracked · Dec 23, 2003 · N8548F · Bell 47G3B1 · Fuselage Miscellaneous Structure
  > CRACK LIKE INDICATION DETECTED IN THREAD AREA WHICH EXCEEDS 10 PERCENT. EDDY CURRENT INSPECTION USED.
- [SDR 2004FA0000062](https://openairdocs.org/sdr/2004FA0000062.md): Mount · cracked · Dec 23, 2003 · N8548F · Bell 47G3B1 · Engine Mount Section
  > CRACK-LIKE INDICATIONS DETECTED ON WELD EDGES-AREAS IDENTIFIED. FLUORESCENT AND MT INSPECTION USED.
- [SDR 2004FA0000061](https://openairdocs.org/sdr/2004FA0000061.md): Master Rod · cracked · Dec 23, 2003 · N8548F · Bell 47G3B1 · Reciprocating Engine Power Section
  > CRACK-LIKE INDICATION DETECTED BETWEEN WELD AND HOLE 2 AND END OF ROD. FLUORESCENT PENETRANT INSPECTION AND MT INSPECTION USED.
- [SDR 2003FA0000072](https://openairdocs.org/sdr/2003FA0000072.md): Grip · cracked · Dec 12, 2002 · N8548F · Bell 47G3B1 · Tail Rotor Blades
  > CRACK LIKE INDICATION ON 9TH THREAD INBOARD WHICH EXCEEDS 15 PERCENT. IAW AD. PART REJECTED AND RED TAGGED BY REPAIR STATION. OPERATOR STATED PART WAS PURCHASED AS SPARE PRIOR TO AD. PART DESTROYED BY OPERATOR.
- [SDR AUS20020344](https://openairdocs.org/sdr/AUS20020344.md): Hub · cracked · Apr 11, 2002 · Bell 47G3B1 · Main Rotor Head
  > (AUS) MAIN ROTOR HUB CRACKED IN AREA OF BEARING SPINDLE RADIUS. FOUND DURING INSPECTION IAW AD/BELL47/72 A2.
- [SDR 20010319CW006](https://openairdocs.org/sdr/20010319CW006.md): Clutch · damaged · Feb 16, 2001 · N48020 · Bell 47G3B1 · Engine/Transmission Coupling
  > AIRCRAFT IN CRUISE AT 300 FT AGL CLUTCH SLIPPED AUTOROTATION PERFORMED DISASSEMBLED FOUND PARTIAL CONTACT OF CLUTCH/DRUM FACE. DRUM AT MAX LIMITS. MORE CAUTIOUS MEASUREMENT DURING OVERHAUL AND REQUIRED INSPECTION.
- [SDR 99ZZZX4106](https://openairdocs.org/sdr/99ZZZX4106.md): Fuel Cell · contaminated · Sep 27, 1999 · N80SD · Bell 47G3B1 · Fuel Storage
  > THE REFUELING TRUCK HOSE INTERNALLY DECOMPOSED LEACHING A GUM-LIKE RESIN INTO FUEL WITHIN THE HOSE. THE FUEL, WHEN PUMPED INTO AIRCRAFT'S FUEL TANK, WAS THEN FED TO THE CARBURETOR WHERE RESIN THEN ATOMIZED CLOGGING THE CARB JETS AND RESULTING IN A POWER DEGRA
- [SDR AU981526](https://openairdocs.org/sdr/AU981526.md): Hook · malfunctioned · Oct 26, 1998 · Bell 47G3B1 · Cargo Compartments
  > (AUS) CARGO HOOK ELECTRIC RELEASE INTERMITTENT IN OPERATION. DURING AN EMERGENCY LOAD RELEASE THE HOOK DID NOT OPEN AND THE AIRCRAFT CRASHED INTO THE GROUND. AIRCRAFT WAS OPERATING IN A SWAMP AND IT IS SUSPECTED THAT WATER OR FOREIGN MATERIAL CAUSED THE HOOK
- [SDR 98ZZZX3543](https://openairdocs.org/sdr/98ZZZX3543.md): Bearing · misinstalled · Sep 1, 1998 · N100VB · Bell 47G3B1 · Main Rotor Gearbox
  > BEARING FAILED AFTER INCORRECT INSTALL. INSP OF WHAT APPEARED TO BE EXCESS BACKLASH ON THE 47-620-497-1 FAN DRIVE GEAR ASSY. UPON REMOVAL OF FAN DRIVE QUILL ASSY, NOTED NEW GEAR PATTERN AFT AND HIGH RUNNING OFF HEEL OF 530 GEAR. UPON REMOVAL OF CLUTCH, DETE
- [SDR 98ZZZX3311](https://openairdocs.org/sdr/98ZZZX3311.md): Gear · fractured · Aug 20, 1998 · N61SD · Bell 47G3B1 · Reciprocating Engine Power Section
  > ENGINE FAILED WITHOUT WARNING. UPON INVESTIGATION, FOUND TIMING GEAR FRACTURED STOPPING THE MAGS. SUBMITTER STATED SUPPLIER REPORTED THEY HAVE HAD AT LEAST 5 OF THESE FAILURES IN THE LAST 5 YEARS. THEY CANNOT COME UP WITH A REASON, THEY SAID POSSIBLY TIMING
- [SDR AU980259](https://openairdocs.org/sdr/AU980259.md): Stud · failed · Mar 3, 1998 · Bell 47G3B1 · Reciprocating Engine Power Section
  > (AUS) NR 5 CYLINDER HOLD DOWN STUDS FAILED.
- [SDR AU980258](https://openairdocs.org/sdr/AU980258.md): Pin · damaged · Feb 1, 1998 · Bell 47G3B1 · Main Rotor Head
  > (AUS) MAIN ROTOR HUB BEARING PINS DAMAGED DUE TO MAIN ROTOR STRIKE. BEARINGS WERE ALSO UNSERVICEABLE. FOUND DURING STRIP OF MAIN ROTOR HUB FOR COMPLIANCE WITH AD/BELL47/92 AMDT4.
- [SDR AU971354](https://openairdocs.org/sdr/AU971354.md): Blade · separated · Oct 23, 1997 · Bell 47G3B1 · Tail Rotor Blades
  > (AUS) TAIL ROTOR BLADE TIP WEIGHT SEPARATED.
- [SDR AU971113](https://openairdocs.org/sdr/AU971113.md): Bearing · worn · May 23, 1997 · Bell 47G3B1 · Main Rotor Control
  > (AUS) COLLECTIVE LEVER FORWARD BEARING WORN. PERSONNEL/MAINTENANCE ERROR.
- [SDR AU971106](https://openairdocs.org/sdr/AU971106.md): Bearing · worn · May 23, 1997 · Bell 47G3B1 · Main Rotor Control
  > (AUS) LATERAL CYCLIC TORQUE TUBE FORWARD SUPPORT BEARING WORN.
- [SDR AU970597](https://openairdocs.org/sdr/AU970597.md): Indicator · faulty · May 16, 1997 · Bell 47G3B1 · Fuel Quantity Indicator
  > (AUS) FUEL GAUGES FAULTY - PERSONNEL/MAINTENANCE ERROR
- [SDR AU970596](https://openairdocs.org/sdr/AU970596.md): Inertia Reel · faulty · May 16, 1997 · Bell 47G3B1 · Flight Compartment Equipment
  > (AUS) SEAT BELT INERTIA REEL FAULTY - PERSONNEL/MAINTENANCE ERROR
- [SDR AU970595](https://openairdocs.org/sdr/AU970595.md): Cabin · faulty · May 16, 1997 · Bell 47G3B1 · Flight Compartment Equipment
  > (AUS) SUSPECT CABIN RENEWED WITH NO LOG BOOK ENTRY -PERSONNEL/MAINTENANCE ERROR
- [SDR AU970594](https://openairdocs.org/sdr/AU970594.md): Tachometer · wrong part · May 16, 1997 · Bell 47G3B1 · Engine RPM Indicating System
  > (AUS) INCORRECT TACHOMETER FITTED - PERSONNEL/MAINTENANCE ERROR - UNAPPROVED PART
- [SDR AU970593](https://openairdocs.org/sdr/AU970593.md): Toolbox · unapproved · May 16, 1997 · Bell 47G3B1 · Rotorcraft Tail Boom
  > (AUS) TOOLBOX MOUNTED IN TAIL BOOM - PERSONNEL/MAINTENANCE ERROR -UNAPPROVED PART
- [SDR AU970592](https://openairdocs.org/sdr/AU970592.md): Fuel Shutoff · disconnected · May 16, 1997 · Bell 47G3B1 · Fuel Selector/Shut-Off Valve
  > (AUS) FUEL CUTOFF DISCONNECTED
- [SDR AU970591](https://openairdocs.org/sdr/AU970591.md): Extinguisher · faulty · May 16, 1997 · Bell 47G3B1 · Fire Bottle, Portable
  > (AUS) FITMENT OF FIRE EXTINGUISHER NOT ENTERED IN LOG BOOKS
- [SDR AU970590](https://openairdocs.org/sdr/AU970590.md): Controller · seized · May 16, 1997 · Bell 47G3B1 · Engine Air Intake System
  > (AUS) CARBURETTOR HEAT CONTROL SEIZED - PERSONNEL/MAINTENANCE ERROR
- [SDR AU970589](https://openairdocs.org/sdr/AU970589.md): Elt · wrong part · May 16, 1997 · Bell 47G3B1 · Emergency Locator Beacon
  > (AUS) INCORRECT ELT FITTED - PERSONNEL/MAINTENANCE ERROR - UNAPPROVED PART.
- [SDR AU970588](https://openairdocs.org/sdr/AU970588.md): Tube · damaged · May 16, 1997 · Bell 47G3B1 · Fuselage Main, Structure
  > (AUS) TWO STRUCTURAL TUBES DAMAGED - PERSONNEL/MAINTENANCE ERROR
- [SDR AU970587](https://openairdocs.org/sdr/AU970587.md): Lights · missing · May 16, 1997 · Bell 47G3B1 · Exterior Lighting
  > (AUS) NO LANDING LIGHTS FITTED - PERSONNEL/MAINTENANCE ERROR
- [SDR AU970586](https://openairdocs.org/sdr/AU970586.md): Radio System · unapproved · May 16, 1997 · Bell 47G3B1 · Communications System
  > (AUS) RADIOS FITTED WITHOUT CERTIFICATION - PERSONNEL/MAINTENANCE ERROR - UNAPPROVED PART
- [SDR AU970582](https://openairdocs.org/sdr/AU970582.md): Data Plate · faulty · May 16, 1997 · Bell 47G3B1 · Placards and Markings
  > (AUS) LARGE NUMBERS OF DISCREPANCIES WERE FOUND IN RELATION TO SERIAL NUMBERS - DATA PLATE FITTED DOES NOT MATCH CASA RECORDS - SUSPECT MAJOR REBUILD CARRIED OUT FOLLOWING ACCIDENT IN 1988 -PERSONNEL/MAINTENANCE ERROR
- [SDR AU971112](https://openairdocs.org/sdr/AU971112.md): Extinguisher · wrong part · May 8, 1997 · Bell 47G3B1 · Fire Bottle, Portable
  > (AUS) UNAPPROVED TYPE OF DRY POWDER FIRE EXTINGUISHER FITTED. UNAPPROVED PART.
- [SDR AU971105](https://openairdocs.org/sdr/AU971105.md): Data Plate · incorrect data · May 8, 1997 · Bell 47G3B1 · Placards and Markings
  > (AUS) SUSPECT INCORRECT DATA PLATE FITTED TO HELICOPTER. AIRCRAFT HAD BEEN EXTENSIVELY REBUILT IN 1989. PERSONNEL/MAINTENANCE ERROR.
- [SDR CA960530004](https://openairdocs.org/sdr/CA960530004.md): Tie Rod · sheared · May 13, 1996 · Bell 47G3B1 · Main Rotor Head
  > (CAN) THE COUNTERWEIGHT ROD SHEARED AT THE BASE OF THE SPACER AND DRAG BRACE ATTACHMENT ON THE MAIN ROTOR HEAD. THE COUNTERWEIGHT, WASHERS AND SPACER LEFT THE AIRCRAFT CAUSING A VIBRATION IN THE AIRCRAFT AND FLIGHT CONTROLS. THE TIE ROD IS SUBJECT TO A 300 HOU
- [SDR AU960299](https://openairdocs.org/sdr/AU960299.md): Piston · worn · Mar 15, 1996 · Bell 47G3B1 · Reciprocating Engine Cylinder Section
  > (AUS) ALL SIX CYLINDERS FOUND TO HAVE EXCESSIVE WEAR TO PISTONS, RINGS AND VALVE TRAIN INCONSISTANT WITH TIME SINCE OVERHAUL - SUSPECTCAUSED BY UNREPORTED ENGINE OVERSPEED
- [SDR AU960152](https://openairdocs.org/sdr/AU960152.md): Blade · failed · Feb 2, 1996 · Bell 47G3B1 · Turbine Engine Compressor Section
  > (AUS) COMPRESSOR NO2/3 ROTOR ASSEMBLY BLADE FAILED - BLADES EXITED THROUGH BOTH COMPRESSOR CASE HALVES - FURTHER DAMAGE TO TURBINESECTION DUE TO FOD AND OVERTEMPERATURE - AIRCRAFT IS A SOLOY TURBINE ENGINE MODIFICATION ALLISON 250C18B POWERED BELL 47G3B1

## 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 aircraft_model_key = '47G3B1'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/model/bell-47g-3b-1/reports

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