MBB BK 117 A-3

Service difficulty reports · 719

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 = 'BK117A3'
  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 BAQA087761Sensor · inaccurateINDICATING ERRONEOUSLY AND COLORED BARS. REPLACED. 7/22/03Jun 25, 2003 · N117LC · Bolkms BK117A3 · Weather Radar SystemSDR BAQA086477Indicator · inoperativeDME INOPERATIVE USING NR 2 NAV. REPLACED WITH SERVICEABLE UNIT.May 22, 2003 · N932CJ · Bolkms BK117A3 · DME/TACAN SystemSDR BAQA087752Meter · inoperativeSLAVING METER INOPERATIVE. REPLACED WITH SERVICEABLE UNIT.May 20, 2003 · N932CJ · Bolkms BK117A3 · Engine ControlsSDR BAQA086426Fuel Control · malfunctionedENGINE STARTS HOT. REMOVED FROM ENG NR: REPLACED WITH SERVICEABLE UNIT.May 16, 2003 · N967LS · Bolkms BK117A3 · Fuel Controlling SystemSDR BAQA086399Transfer Tube · bentTRANSFER TUBES BENT. REPLACED WITH SERVICEABLE UNIT. 5/13/03May 12, 2003 · N117UB · Bolkms BK117A3 · Engine Fuel DistributionSDR BAQA086368Manifold · malfunctionedHIGH TOT AND ERRATIC STARTS. REPLACED WITH SERVICEABLE UNIT.May 8, 2003 · N932CJ · Bolkms BK117A3 · Engine Fuel DistributionSDR BAQA086309Wire Harness · failedN1 GUAGE WOULD NOT SPOOL WITH THIS HARNESS. REPLACED WITH SERVICEABLE UNIT.May 1, 2003 · N117UB · Bolkms BK117A3 · Turbine Engine System WiringSDR BAQA086308Valve · failedVALVE WILL NOT ACTUATE. REPLACED WITH SERVICEABLE UNIT.Apr 30, 2003 · N932CJ · Bolkms BK117A3 · Compressor Bleed ValveSDR BAQA085943Indicator · intermittentROTOR TACH INTERMITTENT. REPLACED WITH SERVICEABLE UNIT. 4/10/03Apr 10, 2003 · N952CJ · Bolkms BK117A3 · Tail Rotor Drive Indicating SystemSDR BAQA085814Indicator · malfunctionedHSI VERTICAL FLAG WILL NOT PULL. REPLACED WITH SERVICEABLE UNIT.Mar 24, 2003 · N117UB · Bolkms BK117A3 · Flight Environment DataSDR A301037Manifold · failedON 12 MINUTE FLIGHT NR2 ENGINE. FUEL MANIFOLD STARTED SLOW DRIP LEAK AT 10 OCLOCK NOZZLE. MEDICAL CREW REPORTED STRONG SMELL OF FUEL ON SHORT FINAL. PILOT GROUNDED AIRCRAFT MAINTENANCE INSPECTION AND FOUND LEAK. MAIN RECOMMENDS INSTALLATION OF FLEXIBLE NOZMar 23, 2003 · N911WJ · Bolkms BK117A3 · Fuel Injector NozzleSDR BAQA085226Pump · inoperativeBOOSTER PUMP INOPERABLE. REPLACED WITH SERVICEABLE UNIT.Mar 21, 2003 · N911NH · Bolkms BK117A3 · Fuel Boost PumpSDR BAQA085203Governor · split20 PERCENT TORQUE SPLITS. REPLACED WITH SERVICEABLE UNIT.Mar 20, 2003 · N952CJ · Bolkms BK117A3 · Turbine GovernorSDR BAQA084837Indicator · will not testMAST MOMENT INDICATOR WILL NOT TEST PROPERLY. REPLACED WITH SERVICEABLE UNIT.Feb 27, 2003 · N932CJ · Bolkms BK117A3 · Main Rotor Indicating SystemSDR BAQA084063Blade · out of balanceBLADES WOULD NOT BALANCE. REPLACED WITH SERVICEABLE UNITS S/N 413 AND 414.Jan 30, 2003 · N911NH · Bolkms BK117A3 · Tail Rotor BladesSDR BAQA090476Receiver · inoperativeLOANER - RETURN OF LOANER UNIT S/N 43011 FROM LOANER PO 2-021974-05 REPLACED WITH UNIT BACK FROM REPAIR.Jan 29, 2003 · N39188 · Bolkms BK117A3 · Long-Range Navigation (LORAN) SystemSDR BAQA082896Compensator · crackedCOMPENSATOR CRACKED AND HAS WATER DAMAGE. REPLACED WITH SERVICEABLE UNIT.Jan 8, 2003 · N911NH · Bolkms BK117A3 · Integrated Flight SystemSDR BAQA082149Indicator · malfunctionedMAST MOMENT INDICATOR POPS CIRCUIT BREAKER. REPLACED WITH SERVICEABLE UNIT.Dec 20, 2002 · N952CJ · Bolkms BK117A3 · Main Rotor Indicating SystemSDR BAQA081652Limiter · malfunctionedENGINE OVERSPEED TEST INTERMITTENTLY. ENGINE NR LE 45085 REPLACED WITH SERVICEABLE UNIT.Dec 16, 2002 · N117LC · Bolkms BK117A3 · Turbine GovernorSDR BAQA081571Pump · inoperativeBOOST PUMP INOPERATIVE. SHORTED. REPLACED WITH SERVICEABLE UNIT.Dec 3, 2002 · N911BK · Bolkms BK117A3 · Fuel Boost PumpSDR BAQA081535Gyro · malfunctionedDISPLAY STICKS PERIODICALLY AND LIGHT COMES ON AND OFF DURING FLIGHT. SPEX FILE. NO NUMBER GIVEN. REPLACED WITH SERVICEABLE UNIT.Nov 26, 2002 · N911BK · Bolkms BK117A3 · Directional Gyro and Indicating SystemSDR BAQA081534Indicator · failedGYRO TAKES TOO LONG TO COME ON LINE. 4-5 MINUTES. SPEX FILE WITH NO NUMBER REPLACED WITH SERVICEABLE UNIT.Nov 26, 2002 · N911BK · Bolkms BK117A3 · Attitude Gyro and Indicating SystemSDR BAQA081182Commutator · corrodedCOMMUTATOR PITTED. MAKES LOUD RAPPING NOISE WHEN OPERATED. INSTALLED WITH SERVICEABLE UNIT.Oct 24, 2002 · N117LG · Bolkms BK117A3 · Starter-GeneratorSDR R7MR707735204Antenna · inoperativeWEATHER RADAR ANTENNA INOPERATIVE, HEADING ERROR MESSAGE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Jun 6, 2002 · N420MB · Bolkms BK117A3 · Weather Radar SystemSDR R7MR706335141Seal Ring · wornFIRST TURBINE SHROUD SEAL RING WORN BEYOND SERVICE LIMITS. REPLACED WITH NEW UNIT CORRECTED PROBLEM.May 9, 2002 · N163BK · Bolkms BK117A3 · Turbine SectionSDR SDRO2002004Pump · leakingUPON LANDING, CREW SMELLED FUEL ODOR. FOUND FUEL POURING FROM FUEL PUMP ACCESS PANEL ON BOTTOM OF FUSELAGE.Apr 18, 2002 · N117NY · Bolkms BK117A3 · Fuel Boost PumpSDR R7M2002F00017Battery · dischargedLEAD ACID BATTERY WILL NOT HOLD A CHARGE. STAYS AT 20 VOLTS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Mar 23, 2002 · N424MB · Bolkms BK117A3 · Battery/Charger SystemSDR EGR2002F00002Blade · damagedDURING MAIN ROTOR COAST DOWN, AFTER ENGINE SHUT DOWN ON THE HOSPITAL ROOF HELIPAD AT APPROX 40 PER CENT NR ONE MAIN ROTOR BLADE CONTACTED AND DAMAGED BOTH VERTICAL STABILIZER. THIS IS A DESIGN FLAW. IN HIGH AND GUSTY WINDS WITH LOW ROTOR SPEEDS, DURING STARMar 3, 2002 · N526MB · Bolkms BK117A3 · Main Rotor BladesSDR R7MR34817Seal · leakingNR 2 BEARING SEAL LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Feb 2, 2002 · N163BK · Bolkms BK117A3 · Turbine SectionSDR R7MR34816Seal · leakingNR 3 BEARING SEAL, LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Feb 2, 2002 · N163BK · Bolkms BK117A3 · Turbine Engine Combustion SectionSDR R7MR35541Seal Ring · wornSEAL RING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Jan 14, 2002 · N117MV · Bolkms BK117A3 · Turbine Engine Combustion SectionSDR R7MR35543Nozzle · burnedNOZZLE HAS EXCESSIVE BURNS IN SOME AREAS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Jan 14, 2002 · N117MV · Bolkms BK117A3 · Turbine Engine Combustion SectionSDR EGR2002F00001Gimbal Joint · crackedGIMBAL ARM CRACKED COMPLETELY THROUGH AT RIVETS CAUSING SEARCHLIGHT TO BECOME LOOSE ON ONE SIDE. LIGHT WAS RESTRAINED ONLY BY THE SAFETY CABLE AND OTHER SIDE ARM OF GIMBAL. RIGHT AFT PASSENGER DOOR GAS SUPPORT STRUT DISCONECTED FROM BALL SOCKET. INBOARD ANDDec 15, 2001 · N532KH · Bolkms BK117A3 · Exterior LightingSDR R7MA33729Impeller · crackedCRACKED COMPRESSOR IMPELLER BLADE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Nov 13, 2001 · N158BK · Bolkms BK117A3 · Turbine Engine Compressor SectionSDR 2002F00311Transmitter · shortedPRESSURE TRANSMITTER INTERNAL SHORT TO GROUND. REPLACED WITH NEW, CORRECTED PROBLEM. (M)Nov 8, 2001 · N202HN · Bolkms BK117A3 · Main Rotor GearboxSDR R7M2002F00018Seal · leakingNR3 BEARING SEAL LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Oct 19, 2001 · N528SF · Bolkms BK117A3 · Turbine Engine Combustion SectionSDR R7M2002F00016Seal · leakingNUMBER 2 BEARING SEAL IS LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT CORRECTED PROBLEM.Sep 28, 2001 · N420MB · Bolkms BK117A3 · Turbine SectionSDR R7M2002F00015Thermocouple · shortedTHERMOCOUPLE HAS AN INTERNAL SHORT. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Sep 28, 2001 · N420MB · Bolkms BK117A3 · Engine Temperature Indicating SystemSDR A244583Tube · crackedMINUTE CRACK DEVELOPED IN MANIFOLD RIGID TRANSFER TUBE, CAUSING INFLIGHT FUEL LEAK. ALLOW USE OF FLEXIBLE TRANSFER TUBE FUEL MANIFOLDS ON LTS101650B1.Aug 26, 2001 · N911WJ · Bolkms BK117A3 · Engine Fuel DistributionSDR 2001F00507Torquemeter · erraticTORQUEMETER INDICATOR INOPERATIVE. NR 1 NEEDLE JUMPS ERRATICALLY. RECEIVED NEW WITH A3 AND A4 CONVERSION KIT. THIS UNIT IS BRAND NEW MANUFACTURE, NOT OVERHAULED OR REPAIRED. REPLACED WITH REPAIRED UNIT CORRECTED PROBLEM. (M)Jul 19, 2001 · N424MB · Bolkms BK117A3 · Engine BMEP/Torque IndicatingSDR 2002F00312Transducer · inoperativePRESSURE TRANSDUCER INOPERATIVE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (M)Jun 8, 2001 · N528SF · Bolkms BK117A3 · Engine BMEP/Torque IndicatingSDR TI1R001485Indicator · inoperativeINDICATOR NG - NEEDLE DOES NOT MOVE. REMOVED AND REPLACED.Jun 1, 2001 · N527MB · Bolkms BK117A3 · Engine RPM Indicating SystemSDR R7MA33745Locking Cup · wornWORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.May 25, 2001 · N117NY · Bolkms BK117A3 · Turbine Engine Combustion SectionSDR SDRS2001002Bearing · failedTHE AC EXPERIENCED ABNORMAL UNCOMMANDED YAW AND ROLL MOTION ON LANDING. LATERAL CYCLIC BELLCRANK CENTER BEARING FOUND TO HAVE FAILED. THIS CAUSED THE BELLCRANK TO HAVE EXCESSIVE PLAY RESULTING IN LOSS OF POSITIVE CYCLIC CONTROL. AC PERFORMED SUCCESSFUL LANDMay 25, 2001 · N163BK · Bolkms BK117A3 · Main Rotor ControlSDR R7MR706335151Rotor · erodedROTOR HAS EROSION. PENDING FURTHER INSPECTION . REPLACED WITH NEW UNIT, CORRECTED PROBLEM.May 15, 2001 · N163BK · Bolkms BK117A3 · Turbine Engine Compressor SectionSDR R7MR706335135Fuel Nozzle · crackedFUEL NOZZEL CRACKED. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.May 15, 2001 · N163BK · Bolkms BK117A3 · Fuel Injector NozzleSDR R7MR33351Bushing · wornBUSHINGS WORN BEYOND SERVICEABLE LIMITS AND ALSO LEAKS HYDRAULIC FLUID. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.May 15, 2001 · N163BK · Bolkms BK117A3 · Autopilot SystemSDR R7MR706335136Curl · crackedCURL CRACKED BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.May 9, 2001 · N163BK · Bolkms BK117A3 · Turbine Engine Combustion SectionSDR TI12001F00001Frame · crackedDURING ROUTINE INSPECTION, A CRACK WAS FOUND ON THE 10L FRAME AT THE 10 OCLOCK CUTOUT FOR THE OMEGA DOUBLER ON THE UPPER PORTION, EXTENDING UP .5000 INCHES THEN GOING ACROSS .6250 INCHES TO THE TOOLING HOLE, AND STARTING UP AGAIN AT THE OTHER END OF THE TOOLINMay 1, 2001 · N4493X · Bolkms BK117A3 · Rotorcraft Tail BoomSDR TI12001F00000Frame · crackedDURING ROUTINE INSPECTION THE 10L FRAME WAS SOUND CRACKED THROUGH ON LEFT HAND SIDE.May 1, 2001 · N1140H · Bolkms BK117A3 · Rotorcraft Tail Boom
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