# Service difficulty reports: Bell OH-58A A list on [Bell OH-58A](https://openairdocs.org/model/bell-oh-58a.md). Newest first. General aviation reporting is voluntary. - [SDR 2015FA0000210](https://openairdocs.org/sdr/2015FA0000210.md): Strap · damaged · May 8, 2015 · N380PD · Bell OH58A · Main Rotor Head > AN 1:1 VIBRATION WAS REPORTED BY PILOT AS AN ONGOING ISSUE. IN AN ATTEMPT TO ELIMINATE OTHER SYSTEMS SUCH AS SWASH PLATE, FLIGHT CONTROLS AND GEARBOXES, A COMPLETE INSPECTION WAS CONDUCTED BY DISCONNECTING ALL FLIGHT CONTROLS AND ISOLATING EACH SYSTEM INDIVID - [SDR 2015FA0000209](https://openairdocs.org/sdr/2015FA0000209.md): Strap · damaged · May 8, 2015 · N380PD · Bell OH58A · Main Rotor System > A 1:1 VIBRATION WAS REPORTED BY PILOT AS AN ONGOING ISSUE. IN AN ATTEMPT TO ELIMINATE OTHER SYSTEMS SUCH AS SWASH PLATE, FLIGHT CONTROLS AND GEARBOXES, A COMPLETE INSPECTION WAS CONDUCTED BY DISCONNECTING ALL FLIGHT CONTROLS AND ISOLATING EACH SYSTEM INDIVID - [SDR 2012FA0000185](https://openairdocs.org/sdr/2012FA0000185.md): Mast · broken · Feb 10, 2012 · N902SF · Bell OH58A · Main Rotor Mast/Swashplate > ACFT LANDED ON LOAD TRUCK. ACFT RECEIVED FUEL AND LOAD. PILOT FELT VIBRATION AND SHUTDOWN ACFT AND FOUND MAST POLE BROKEN. - [SDR 2011FA0000663](https://openairdocs.org/sdr/2011FA0000663.md): Drive Shaft · broken · Sep 27, 2009 · N298CP · Bell OH58A · Engine/Transmission Coupling > HELICOPTER WAS TOOK OFF EMPTY FROM LANDING PAD TO SURVEY AREA. DURING TAKEOFF A "POPPING" SOUND WAS HEARD BY PILOT AND GROUND CREW AND THE ACFT WOULD NOT DEVELOP SUFFICIENT ENGINE TORQUE TO CLEAR TERRAIN. FOLLOW UP TO ACCIDENT FOUND ENGINE DRIVE SHAFT HAD SE - [SDR 2008FA0000855](https://openairdocs.org/sdr/2008FA0000855.md): Spur Gear · sheared · Dec 1, 2008 · N306HP · Bell OH58A · Turbine Engine Reduction Gear > GAS PRODUCER TRAIN IDLER SPUR GEARSHAFT PN: 23038229. SHEARED IN HALF, PRODUCING METAL IN OIL. WHEN TECHNICIAN DISASSEMBLED GEARBOX FOUND THAT GEARSHAFT WAS THE SOURCE OF THE METAL - [SDR 2008FA0000854](https://openairdocs.org/sdr/2008FA0000854.md): Spur Gear · broken · Dec 1, 2008 · N306HP · Bell OH58A · Engine (Turbine/Turboprop) > GAS PRODUCER TRAIN IDLER SPUR GEARSHAFT PN: 23038229. SHEARED IN HALF, PRODUCING METAL IN OIL. WHEN TECHNICIAN DISASSEMBLED GEARBOX FOUND THAT GEARSHAFT WAS THE SOURCE OF THE METAL - [SDR 2003FA0000983](https://openairdocs.org/sdr/2003FA0000983.md): Drag Pin · cracked · Sep 12, 2003 · N1082M · Bell OH58A · Main Rotor Transmission Mount > CRACK-LIKE INDICATION ON OUTER SIDE AND EDGE OF BORE. CRACK-LIKE INDICATION DETECTED BY FLUORESCENT MT. - [SDR AGQA088274](https://openairdocs.org/sdr/AGQA088274.md): Transceiver · inoperative · Jul 7, 2003 · N54AG · Bell OH58A · VHF Communications System > TRANSCEIVER INOPERATIVE, WON'T TRANSMIT OR RECEIVE. - [SDR 2003F00512](https://openairdocs.org/sdr/2003F00512.md): Fitting · cracked · Jul 2, 2003 · N411NS · Bell OH58A · Rotorcraft Tail Boom > FOUND CRACK RADIATING FROM TOP AFT MOUNTING HOLE TO TRAILING EDGE. APPROX 1 INCH IN LENGTH. MILITARY BULLENTIN NR OH-58-03-ASAM-06 ADDRESSES A PROBLEM THE ARMY HAS INCURRED WITH THE OH-58 AIRCRAFT. MANY OF THESE AIRCRAFT ARE IN THE CIVIL AND PUBLIC USE AREN - [SDR LS1R088279](https://openairdocs.org/sdr/LS1R088279.md): Volt Regulator · malfunctioned · May 18, 2002 · N54AG · Bell OH58A · DC Generating System > GENERATOR WILL COME ON. REPLACED VOLT REGULATOR - [SDR LS1R074935](https://openairdocs.org/sdr/LS1R074935.md): Brake · stuck · Aug 13, 2001 · N58AG · Bell OH58A · Main Rotor Brake > PART MOVEMENT RESTRICTED. - [SDR LS1R073484](https://openairdocs.org/sdr/LS1R073484.md): Gauge · malfunctioned · Jun 19, 2001 · N58AG · Bell OH58A · Battery/Charger System > GAGE PEGS OUT. - [SDR LS1R073483](https://openairdocs.org/sdr/LS1R073483.md): Bearing · damaged · Jun 19, 2001 · N58AG · Bell OH58A · Main Rotor Gearbox > PART IS OUT OF RACE. - [SDR LS1R073268](https://openairdocs.org/sdr/LS1R073268.md): Shaft · sheared · Jun 4, 2001 · N58AG · Bell OH58A · Engine RPM Indicating System > TACH GENERATOR SHAFT IS SHEARED. - [SDR LS1R072591](https://openairdocs.org/sdr/LS1R072591.md): Gps · inoperative · Apr 16, 2001 · N54AG · Bell OH58A · Global Positioning System > GPS WILL NOT RECIEVE. - [SDR LS1R065966](https://openairdocs.org/sdr/LS1R065966.md): Cap · worn · Feb 15, 2000 · N58AG · Bell OH58A · Main Rotor Mast/Swashplate > CAP IS WORN EXCESSIVELY. - [SDR 99ZZZX3550](https://openairdocs.org/sdr/99ZZZX3550.md): Power Supply · failed · Sep 1, 1999 · N58AG · Bell OH58A · Exterior Lighting > SUPPLY CURRENT WITHIN LIMITS WITH NO OUTPUT VOLTAGE. REMOVED AND REPLACED. - [SDR 99ZZZX3549](https://openairdocs.org/sdr/99ZZZX3549.md): Pin Assy · worn · Sep 1, 1999 · N54AG · Bell OH58A · Main Rotor Transmission Mount > NOTICED EXCESSIVE TRANSMISSION ROCKING. NOTICED BEARING ON LOWER MOUNT WORN BEYOND LIMITS. REMOVED AND REPLACED. - [SDR 99ZZZX3086](https://openairdocs.org/sdr/99ZZZX3086.md): Starter · failed · Jul 14, 1999 · N54AG · Bell OH58A · Starter-Generator > SHAFT SHEARED APPROXIMATELY.1250 INCH IN GENERATOR BODY. REMOVED AND REPLACED. - [SDR 99ZZZX2601](https://openairdocs.org/sdr/99ZZZX2601.md): Servo · leaking · Jun 25, 1999 · N58AG · Bell OH58A · Hydraulic System, Main > SERVO LEAKING BEYOND LIMITS. REMOVED AND REPLACED. - [SDR 99ZZZX2768](https://openairdocs.org/sdr/99ZZZX2768.md): Tachometer · failed · Jun 17, 1999 · Bell OH58A · Engine RPM Indicating System > TACHOMETER WOULD NOT REGISTER ON GAUGE. REMOVED AND REPLACED. - [SDR 99ZZZX2242](https://openairdocs.org/sdr/99ZZZX2242.md): Tachometer Gen · malfunctioned · May 12, 1999 · N58AG · Bell OH58A · Engine RPM Indicating System > N2 GAUGE FLUCTUATES. REMOVED AND REPLACED. - [SDR 99ZZZX2156](https://openairdocs.org/sdr/99ZZZX2156.md): Radio · malfunctioned · Apr 26, 1999 · N58AG · Bell OH58A · Automatic Direction Finder (ADF) System > SOUNDS GARBLED IN PILOT HEADSET WHEN TRANSMITTING. REMOVED AND REPLACED. - [SDR 99ZZZX1546](https://openairdocs.org/sdr/99ZZZX1546.md): Transceiver · intermittent · Mar 22, 1999 · N54AG · Bell OH58A · VHF Communications System > LOUD SAFE TONE, CANNOT TELL IF TRANSMITTING. RADIO INTERMITTENT, INOPERATIVE. REMOVED AND REPLACED. - [SDR 98ZZZX3814](https://openairdocs.org/sdr/98ZZZX3814.md): Case Halves · damaged · Sep 14, 1998 · N58AG · Bell OH58A · Turbine Engine Compressor Section > LINER FLAKING - REMOVED AND REPLACED. - [SDR 98ZZZX3861](https://openairdocs.org/sdr/98ZZZX3861.md): Tachometer · erratic · Aug 31, 1998 · N58AG · Bell OH58A · Engine RPM Indicating System > TACH ERRATIC, UNRELIABLE CORE RETURN. - [SDR 98ZZZX2591](https://openairdocs.org/sdr/98ZZZX2591.md): Exciter · failed · Jun 17, 1998 · N54AG · Bell OH58A · Exciter > ENGINE IGNITION EXCITER FAILED INTERNALLY. SENT FOR REPAIR. - [SDR 98ZZZX2101](https://openairdocs.org/sdr/98ZZZX2101.md): Torquemeter · failed · May 12, 1998 · N54AG · Bell OH58A · Engine BMEP/Torque Indicating > AIRCRAFT FAILED POWER CHECK. INVESTIGATION REVEALED TORQUEMETER READING 6 PERCENT HIGH. TORQUEMETER WAS REPLACED. REF: SN 3721. CONTROL NR 98-5-7. - [SDR 98ZZZX1493](https://openairdocs.org/sdr/98ZZZX1493.md): Washer · broken · Mar 31, 1998 · N54AG · Bell OH58A · Main Rotor Blades > DURING PRE-FLIGHT INSPECTION, PILOT FOUND THE WASHER UNDER THE NUT OF THE BLADE RETENTION BOLT WAS CRACKED. UPON REMOVAL OF NUT, IT WAS FOUND COMPLETELY BROKEN. WASHER WAS REPLACED AND AIRCRAFT RELEASED FOR FLIGIHT. - [SDR 98ZZZX1146](https://openairdocs.org/sdr/98ZZZX1146.md): Saddle · failed · Feb 20, 1998 · N701MP · Bell OH58A · Main Landing Gear Strut/Axle/Truck > WHILE GROUND HANDLING HELICOPTER, SKID EAR BROKE OFF. EAR MIGHT BE HARDENED TOO MUCH CAUSING IT TO BE BRITTLE. - [SDR 97ZZZX914](https://openairdocs.org/sdr/97ZZZX914.md): Pinion · teeth broken · Jan 29, 1997 · Bell OH58A · Main Rotor Gearbox > INSPECTION FOUND PINION WITH A BROKEN TOOTH AND PITTING ON THE REST OF THE TEETH. SUBMITTER BELIEVES THE CAUSE TO BE IMPROPER BACKLASH. ## 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 = 'OH58A' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/model/bell-oh-58a/reports --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.