# Service difficulty reports: N972BH A list on [N972BH](https://openairdocs.org/aircraft/N972BH.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR HCMA2012F00018](https://openairdocs.org/sdr/HCMA2012F00018.md): Wire · shorted · Nov 14, 2011 · N972BH · Snias AS350B2 · Electrical Power System Wiring > ACFT DEPARTED. APPROX 10 MINUTE INTO FLIGHT, PILOT NOTICED SMALL ELECTRICAL PROBLEMS SUCH AS A SCRATCHY INTERCOM AND VOLUME CHANGING. NOTICED RADIO, GPS, VIDEO SCREEN AND AIR CONDITIONING SYS GO OFF LINE. DID NOT NOTICE A GENERATOR LIGHT AT THIS TIME. RETUR - [SDR 2010FA0000209](https://openairdocs.org/sdr/2010FA0000209.md): Gearbox · making metal · Feb 22, 2010 · N972BH · Snias AS350B2 · Main Rotor Gearbox > DURING A TOUR FLIGHT THAT DEPARTED AIRPORT, THE MGB CHIP LIGHT ILLUMINATD 3 MINUTES INTO THE FLIGHT. THE PILOT RETURNED TO DEPARTURE WITHOUT INCIDENT. THE MECHANIC INSPECTED THE CHIP PLUGS AND FOUND METAL ON LOWER PLUG. THE OIL WAS CHANGED AND THE CHIP PLUG - [SDR HCM2006F00001](https://openairdocs.org/sdr/HCM2006F00001.md): Chip Detector · activated · Apr 25, 2006 · N972BH · Snias AS350B2 · Engine Oil Indicating System > PRECAUTIONARY LANDING, DEVIATION FROM INTENDED ROUTE OF FLIGHT, DUE TO ENGINE OIL CHIP LIGHT ANNUNCIATION. UNEVENTFUL LANDING AT DEPARTURE AIRPORT. NO INJURIES, NO DAMAGE TO AIRCRAFT OR PROPERTY. MAINTENANCE INVESTIGATED AND FOUND NO CHIPS ON THE CHIP DETEC - [SDR 2005FA0000490](https://openairdocs.org/sdr/2005FA0000490.md): Gear Set · corroded · Mar 2, 2005 · N972BH · Snias AS350B2 · Main Rotor Gearbox > GEAR SET HAS EXCESSIVE FROSTING AND PITTING. REQUESTING WARRANTY CONSIDERATION. (K) - [SDR 20010122CW015](https://openairdocs.org/sdr/20010122CW015.md): Connector · loose · Jan 3, 2001 · N972BH · Snias AS350B2 · Engine Oil Pressure > DURING A TOUR FLIGHT WITH 4 PASSENGERS ON BOARD, PILOT NOTICED A HIGH ENGINE OIL TEMPERATURE READING. HE ELECTED TO PERFORM A PRECAUTIONARY LANDING. UPON INSPECTION, THE MECHANIC FOUND THE SPADE CONNECTION LOOSE AND IT HAD MOISTURE ON IT. CONNECTION WAS TI - [SDR HCMA075311](https://openairdocs.org/sdr/HCMA075311.md): Rod · worn · Sep 20, 2000 · N972BH · Snias AS350B2 · Tail Rotor Head > PART IS WORN BEYOND LIMITS.PLEASE REPLACE BEARINGS UNDER WARRANTY. - [SDR HCMA075310](https://openairdocs.org/sdr/HCMA075310.md): Rod · worn · Sep 20, 2000 · N972BH · Snias AS350B2 · Tail Rotor Head > PART IS WORN BEYOND LIMITS.PLEASE REPLACE BEARINGS UNDER WARRANTY. - [SDR HCMA066367](https://openairdocs.org/sdr/HCMA066367.md): Bearing · worn · Oct 25, 1999 · N972BH · Snias AS350B2 · Tail Rotor Drive Shaft > PITCH CONTROL WORN BEYOND LIMITS. - [SDR 99ZZZX410](https://openairdocs.org/sdr/99ZZZX410.md): Pump · malfunctioned · Jan 2, 1999 · N972BH · Snias AS350B2 · Fuel Boost Pump > JANUARY 2, 1999, AT APX 16:30 HOURS, WHILE ON A ROUTINE SIGHTSEEING FLIGHT, PILOT EXPERIENCED A FUEL FILTER CAUTION LIGHT. COLLECTIVE MOVEMENTS CREATED FLUCTUATIONS IN FUEL PRESSURE AND NO ROTOR RPM DROOP. PILOT LANDED AT BEST SITE AVAILABLE AT MAUNA KEA RES - [SDR HCMA0000226](https://openairdocs.org/sdr/HCMA0000226.md): Bearing · worn · Nov 7, 1998 · N972BH · Snias AS350B2 · Tail Rotor Blades > BEARINGS WORN BEYOND LIMITS AND TORN. (X) - [SDR HCMA0000206](https://openairdocs.org/sdr/HCMA0000206.md): Bearing · worn · Jul 23, 1998 · N972BH · Snias AS350B2 · Tail Rotor Gearbox > T/R DRIVE BEARING WORN BEYOND LIMITS; TORN. - [SDR HCMA0000205](https://openairdocs.org/sdr/HCMA0000205.md): Bearing · worn · Mar 17, 1998 · N972BH · Snias AS350B2 · Tail Rotor Gearbox > T/R ROTOR DRIVE BEARING IS WORN BEYOND LIMITS. (X) - [SDR HCMA9647](https://openairdocs.org/sdr/HCMA9647.md): Bearings · cracked · Aug 16, 1996 · N972BH · Snias AS350B2 · Tail Rotor Gearbox > BEARING CAUSED T/R FREQUENCY VIBRATIONS. WORN BEYOND LIMITS. - [SDR HCMA9639](https://openairdocs.org/sdr/HCMA9639.md): Lamification · cracked · Aug 15, 1996 · N972BH · Snias AS350B2 · Tail Rotor Gearbox > REAR ROTOR LAMIFICATION IS CRACKED. - [SDR HCMA9630](https://openairdocs.org/sdr/HCMA9630.md): Bearing · cracked · Jun 7, 1996 · N972BH · Snias AS350B2 · Tail Rotor Blades > BEARING IS CRACKED BEYOND LIMITS. - [SDR HCMA9621](https://openairdocs.org/sdr/HCMA9621.md): Hinge Laminate · cracked · Jun 5, 1996 · N972BH · Snias AS350B2 · Tail Rotor Gearbox > REAR ROTOR LAMIFICATION IS CRACKED. - [SDR HCMA9610](https://openairdocs.org/sdr/HCMA9610.md): Seal Magnetic · defective · Feb 21, 1996 · N972BH · Snias AS350B2 · Tail Rotor Gearbox > PART IS DEFECTIVE. LEAKS BADLY. - [SDR 95ZZZX3917](https://openairdocs.org/sdr/95ZZZX3917.md): Encoder · defective · Jun 13, 1995 · N972BH · Snias AS350B2 · Altimeter, Barometric/Encoder > ENCODER HAS INACCURATE ALTITUDE ENCODING. - [SDR 95ZZZX3916](https://openairdocs.org/sdr/95ZZZX3916.md): Seal · leaks · May 16, 1995 · N972BH · Snias AS350B2 · Tail Rotor Gearbox > SEAL WORN BEYOND LIMITS. LEAKS BAD. - [SDR 95ZZZX3915](https://openairdocs.org/sdr/95ZZZX3915.md): Servo · leaking · May 16, 1995 · N972BH · Snias AS350B2 · Rotorcraft Servo System > SERVO LEAKING BAD IN OUTPUT AREA. - [SDR 95ZZZX3914](https://openairdocs.org/sdr/95ZZZX3914.md): Ball Joint · worn · May 3, 1995 · N972BH · Snias AS350B2 · Tail Rotor Gearbox > BALL JOINT HAS EXCESSIVE AXIAL PLAY IN BEARING. - [SDR 95ZZZX3913](https://openairdocs.org/sdr/95ZZZX3913.md): Probe · erratic · Apr 13, 1995 · N972BH · Snias AS350B2 · Engine Oil Temperature > PROBE UNIT ERRATIC AND CAUSING OIL TEMPERATURE FLUCTUATIONS. - [SDR 95ZZZX3920](https://openairdocs.org/sdr/95ZZZX3920.md): Coupling · bore worn · Feb 15, 1995 · N972BH · Snias AS350B2 · Engine/Transmission Coupling > COUPLING BORES WORN. - [SDR 95ZZZX3919](https://openairdocs.org/sdr/95ZZZX3919.md): Gimbal Ring · bearing unbonded · Feb 15, 1995 · N972BH · Snias AS350B2 · Engine/Transmission Coupling > BUSH BEARING WAS SPINNING OR UNBONDING AND TURNING. - [SDR 95ZZZX3918](https://openairdocs.org/sdr/95ZZZX3918.md): Gimbal Housing · damaged · Feb 15, 1995 · N972BH · Snias AS350B2 · Engine/Transmission Coupling > LEFT EAR MOUNT COMPRESSOR PIVOT POINT GROUND DOWN. - [SDR 95ZZZX2473](https://openairdocs.org/sdr/95ZZZX2473.md): Blade · cracked · Feb 15, 1995 · N972BH · Snias AS350B2 · Tail Rotor Blades > CRACKS AT BLADE NR 2 T.E. TAB, INBOARD AREA. CRACK BEYOND LIMITS. ## 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 n_number = 'N972BH' AND registry_match = 'registration' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/aircraft/N972BH/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.