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 20001214SH037Seal · wornFIRST TURBINE SHROUD SEAL RING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)Apr 6, 2000 · N117MA · Bolkms BK117A3 · Turbine SectionSDR 20000608SH025Transducer · inoperativePRESSURE TRANSDUCER UNIT INOPERATIVE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)Mar 29, 2000 · N625MB · Bolkms BK117A3 · Engine BMEP/Torque IndicatingSDR 20000608SH028Bushing · wornBUSHING TEFLON LINERS WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)Feb 23, 2000 · N117MV · Bolkms BK117A3 · Tail Rotor BladesSDR 20000608SH027Bushing · wornBUSHING TEFLON LINERS WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)Feb 23, 2000 · N117MV · Bolkms BK117A3 · Tail Rotor BladesSDR 20000413SH022Controller · inoperativeCOPILOT''S LIGHTING INOPERABLE. NO OUTPUT FROM UNIT. WORKED 2.7 HOURS AFTER INSTALLATION. REMOVED AND REPLACED. (X)Feb 11, 2000 · N1140H · Bolkms BK117A3 · Flight Compartment LightingSDR 20000413SH023Controller · inoperativeCONTROL LUNIT WILL NOT ILLUMINATE LIGHT. REMOVED AND REPLACED. (X)Feb 9, 2000 · N1140H · Bolkms BK117A3 · Flight Compartment LightingSDR 20000721SH003Blade · debondedLEADING EDGE SKIN UNDER BONDED PV-FILM IN NOSE AREA TO APPROXIMATELY BLADE STA 922 (SECTION 1) IS DEBONDING ON TRAILING EDGE, BOTH UPPER/LOWER SURFACES. (X)Feb 2, 2000 · N163BK · Bolkms BK117A3 · Main Rotor BladesSDR 20000721SH002Blade · debondedLEADING EDGE SKIN UNDER BONDED PV-FILM IN NOSE AREA TO APPROXIMATELY BLADE STA 922 (SECTION 1) IS DEBONDING ON TRAILING EDGE, BOTH UPPER/LOWER SURFACES. (X)Feb 2, 2000 · N163BK · Bolkms BK117A3 · Main Rotor BladesSDR 20000721SH001Blade · debondedLEADING EDGE SKIN UNDER BONDED PV-FILM IN NOSE AREA TO APPROXIMATELY BLADE STA 922 (SECTION 1) IS DEBONDING ON TRAILING EDGE, BOTH UPPER/LOWER SURFACES. (X)Feb 2, 2000 · N163BK · Bolkms BK117A3 · Main Rotor BladesSDR 20000720SH014Blade · debondedLEADING EDGE SKIN UNDER BONDED PV-FILM IN NOSE AREA TO APPROX BLADE STA 922 (SECTION 1) IS DEBONDING ON TRAILING EDGE, BOTH UPPER/LOWER SURFACES. (X)Feb 2, 2000 · N163BK · Bolkms BK117A3 · Main Rotor BladesSDR 20000413SH040Indicator · fluctuatesINDICATOR FLUCTUATES UNDER POWER. REMOVED AND REPLACED. (X)Jan 13, 2000 · N527MB · Bolkms BK117A3 · Engine RPM Indicating SystemSDR 20000413SH041Indicator · damagedNG INDICATOR TRIPPED CIRCUIT BREAKER WHEN INSTALLED AFTER REPAIR. REMOVED AND REPLACED. (X)Jan 12, 2000 · N527MB · Bolkms BK117A3 · Engine RPM Indicating SystemSDR 20000816SH020Ring · wornSEAL RING WORN BEYOND SEVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)Jan 8, 2000 · N117MV · Bolkms BK117A3 · Turbine Engine Combustion SectionSDR 20000816SH019Spring · wornSPRING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)Jan 8, 2000 · N117MV · Bolkms BK117A3 · Turbine Engine Combustion SectionSDR 20000816SH018Shroud · bindingEXCESSIVE GP BLADE TIP RUB. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)Jan 8, 2000 · N117MV · Bolkms BK117A3 · Turbine SectionSDR 20000816SH017Curl · crackedCURL ASSY CRACKED BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)Jan 8, 2000 · N117MV · Bolkms BK117A3 · Turbine Engine Combustion SectionSDR 20000816SH016Tube · leakingTUBE ASSY LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)Jan 8, 2000 · N117MV · Bolkms BK117A3 · Engine Oil Distribution (Airframe Furnished)SDR 20000816SH015Tube · leakingTORQUEMETER FEED LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)Jan 8, 2000 · N117MV · Bolkms BK117A3 · Engine BMEP/Torque IndicatingSDR 20000816SH014Seal · leakingSEAL LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)Jan 8, 2000 · N117MV · Bolkms BK117A3 · Turbine Engine Combustion SectionSDR 20000816SH013Seal · leakingSEAL LEAKING BEYOND SERVCIEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)Jan 8, 2000 · N117MV · Bolkms BK117A3 · Turbine Engine Combustion SectionSDR 20000816SH012Thermocouple · shortedINTERNAL SHORT. REPLACED THERMOCOUPLE WITH NEW UNIT, CORRECTED PROBLEM. (X)Jan 8, 2000 · N117MV · Bolkms BK117A3 · Engine Temperature Indicating SystemSDR 20000406SH048Indicator · intermittentTACHOMETER OPERATED 65.9 HOURS SINCE REPAIR. NR 2 N2 NEEDLE INTERMITTENT, READS 2 PERCENT LOW, WENT TO ZERO PERCENT, BACK UP TO 50 PERCENT, THEN UP TO 90-95 PERCENT IN-FLIGHT. NR 1 N2 AND NR REMAINED (ALL 100 PERCENT). (X)Dec 23, 1999 · N1140H · Bolkms BK117A3 · Engine RPM Indicating SystemSDR 20000406SH027Actuator · failedACTUATOR FAILS TEST AND HUNTS (RUNAWAY TEST). REMOVED AND REPLACED. (X)Dec 23, 1999 · N117MH · Bolkms BK117A3 · Tail Rotor Control SystemSDR 20000406SH022Indicator · malfunctionedN2 ON NR 2 ENGINE SIDE DRAGS DOWN. REMOVED AND REPLACED. (X)Dec 22, 1999 · N4493X · Bolkms BK117A3 · Engine RPM Indicating SystemSDR 20000712SH010Mount · crackedMOUNT CRACKED AT THE INNER MOUNT LUG. REPLACED WITH NEW PART IAW THE MFG MM. (X)Dec 20, 1999 · N532KH · Bolkms BK117A3 · Engine Mount SectionSDR 2000ZZZX276Jackshaft · corrodedTECHNICIAN PULLED LARGE AMOUNT OF RUST OUT OF INSIDE OF CYCLIC JACKSHAFT WHILE USING MAGNET TO RETRIEVE LOST SCREW. REMOVED JACKSHAFT AND INSPECTED. LARGE AMOUNT OF RUST RESIDUE AND PITTING OF JACKSHAFT, ESPECIALLY ON PILOT SIDE. MFG ALLOWS .4 MM CORROSION Dec 8, 1999 · N312LS · Bolkms BK117A3 · Main Rotor ControlSDR 2000ZZZX182Cyclic Jackshaft · corrodedTECHNICIAN PULLED LARGE AMOUNT OF RUST OUT OF INSIDE OF CYCLIC JACKSHAFT WHILE USING MAGNET TO RETRIEVE LOST SCREW. REMOVED JACKSHAFT AND INSPECTED. LARGE AMOUNT OF RUST RESIDUE AND PITTING OF JACKSHAFT ESPECIALLY ON PILOT SIDE. MFG ALLOWS .4 MM CORROSION DDec 8, 1999 · N312LS · Bolkms BK117A3 · Main Rotor ControlSDR 20000406SH008Seal · leakingOUTPUT SEAL LEAKING. REMOVED AND REPLACED. (X)Dec 7, 1999 · N1140H · Bolkms BK117A3 · Turbine Engine Oil SystemSDR 20000710SH013Frame · crackedFRAME WAS FOUND CRACKED. REPAIRED PER AMERICAN EUROCOPTER REPAIR PROCEDURE. (X)Nov 19, 1999 · N271 · Bolkms BK117A3 · Fuselage Main, FrameSDR 2000ZZZX778Tube · leakingTUBE LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Nov 19, 1999 · N163BK · Bolkms BK117A3 · Engine Fuel DistributionSDR 2000ZZZX777Combustion Chamb · damagedEXCESSIVE BURN IN SOME AREAS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Nov 19, 1999 · N163BK · Bolkms BK117A3 · Turbine Engine Combustion SectionSDR 2000ZZZX751Seal · leakingSEAL LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Nov 19, 1999 · N163BK · Bolkms BK117A3 · Turbine Engine Combustion SectionSDR HEEA065106Indicator · intermittentINDICATOR INTERMITTENTLY INOPERATIVE, INDICATOR TEST AND FUNCTION.Nov 11, 1999 · N911NC · Bolkms BK117A3 · Rotor Drive Indicating SystemSDR HEEA065105Transmitter · intermittentTORQUE TRANSMITTER NTERMITTENTLY INOPERATIVE.Nov 11, 1999 · N911NC · Bolkms BK117A3 · Rotor Drive Indicating SystemSDR 20000406SH033Gyro · inoperativeDIRECTIONAL GYRO UNSERVICEABLE UPON INSTALLATION. COMPASS READS 90 PERCENT OFF. REMOVED AND REPLACED. (X)Oct 14, 1999 · N118LL · Bolkms BK117A3 · Directional Gyro and Indicating SystemSDR 2000ZZZX782Seal · leakingSEAL LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Sep 30, 1999 · N420MB · Bolkms BK117A3 · Turbine Engine Combustion SectionSDR 2000ZZZX781Seal · leakingSEAL LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Sep 30, 1999 · N420MB · Bolkms BK117A3 · Turbine Engine Combustion SectionSDR 99ZZZX4577Impeller · chafedHEAVY RUB ON IMPELLER AT AREA 2.421 INCH - 2.419 INCH DIAMETER. REMOVED AND REPLACED.Sep 22, 1999 · N118LL · Bolkms BK117A3 · Turbine Engine Compressor SectionSDR 99ZZZX4579Actuator · failedAIR TUBE BROKEN. REMOVED AND REPLACED.Sep 5, 1999 · N1140H · Bolkms BK117A3 · Compressor Bleed ControlSDR 2000ZZZX799Bolt · wornBOLT WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Sep 4, 1999 · N117MV · Bolkms BK117A3 · Tail Rotor SystemSDR 99ZZZX4074Lead · wornLEAD WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Aug 27, 1999 · N163BK · Bolkms BK117A3 · Ignition Harness (Distribution)SDR 20000817SH001Thermocouple · shortedINTERNAL SHORT. REPLACED THERMOCOUPLE WITH NEW UNIT, CORRECTED PROBLEM. (X)Aug 18, 1999 · N424MB · Bolkms BK117A3 · Engine Temperature Indicating SystemSDR 99ZZZX3281Pump · failedMED VAC PUMP MOTOR SEIZING-UP CAUSING SMOKE AND FUMES IN COCKPIT WHICH CREATED AN EMERGENCY LANDING. REPLACED WITH SERVICEABLE VAC PUMP ASSY. FUNCTIONAL CHECK OK. NO FURTHER PROBLEMS.Aug 10, 1999 · N527MB · Bolkms BK117A3 · Emergency EquipmentSDR 2000ZZZX798Transducer · inoperativeTRANSDUCER INOPER ATIVE. CAUSES NR 2 TORQUE NEEDLE TO READ 20 PERCENT HIGH. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Aug 9, 1999 · N625MB · Bolkms BK117A3 · Engine BMEP/Torque IndicatingSDR 2000ZZZX775Seal · leakingSEAL LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Aug 6, 1999 · N424MB · Bolkms BK117A3 · Turbine Engine Combustion SectionSDR 2000ZZZX774Tube · leakingTUBE LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Aug 6, 1999 · N424MB · Bolkms BK117A3 · Engine Fuel DistributionSDR 2000ZZZX773Tube · leakingTUBE LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Aug 6, 1999 · N424MB · Bolkms BK117A3 · Engine Oil Distribution (Airframe Furnished)SDR 2000ZZZX772Blade · damagedEXCESSIVE GP BLADE TIP RUB. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Aug 6, 1999 · N424MB · Bolkms BK117A3 · Turbine SectionSDR 2000ZZZX771Spring · wornSPRING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Aug 6, 1999 · N424MB · Bolkms BK117A3 · Turbine Engine Combustion SectionSDR 2000ZZZX770Seal · wornSEAL RING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTIVE PROBLEM.Aug 6, 1999 · N424MB · Bolkms BK117A3 · Turbine Engine Combustion Section
Back to MBB BK 117 A-3