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 TI1R001440Control Unit · burnedCONTROL UNIT, LIGHTS EXTINGUISHED, HEAVY BURNING SMELL. REMOVED AND REPLACED.Apr 18, 2001 · N1140H · Bolkms BK117A3 · Lighting SystemSDR 2001F00689Bearing · damagedFOUND EXCESSIVE PITTING ON ANNULAR BALL BEARING. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (M)Apr 13, 2001 · N202HN · Bolkms BK117A3 · Turbine Engine Accessory DriveSDR 2001F00685Bearing · damagedEXCESSIVE PITTING ON ANNULAR BALL BEARING. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (M)Apr 13, 2001 · N202HN · Bolkms BK117A3 · Turbine Engine Accessory DriveSDR TI1R001423Gyro · erraticATTITUDE GYRO, SPINS ERRATICALLY. REMOVED AND REPLACED.Mar 25, 2001 · N1140H · Bolkms BK117A3 · Attitude Gyro and Indicating SystemSDR TI1R001477Clock · defectiveCLOCK 8 DAY - CLOCK WORKS FOR 30 TO 90 MINUTES AND THEN STOPS. REMOVED AND REPLACED.Mar 13, 2001 · N911MZ · Bolkms BK117A3 · Independent InstrumentsSDR TI1R001400Control Unit · faultyCONTROL UNIT - SHUTS DOWN ON FULL BRIGHT. REMOVED AND REPLACED.Jan 23, 2001 · N527MB · Bolkms BK117A3 · Flight Compartment LightingSDR TI1R001401Computer · failedSPAS-COMPUTER, DC VOLTAGE IN, NO VOLTAGE OUT. REMOVED AND REPLACED.Jan 22, 2001 · N4493X · Bolkms BK117A3 · Autopilot ComputerSDR TI1R001411Gyro · defectiveDIRECTIONAL GYRO, 20 DEGREES OFF ON READING, BETWEEN POLES. REMOVED AND REPLACED.Jan 10, 2001 · N4493X · Bolkms BK117A3 · Directional Gyro and Indicating SystemSDR TI1R001378Radio · malfunctionedCOMMUNICATION SYSTEM, RADIO WOULD NOT CHANGE FROM RT1 TO RT2 AND SHOWED FAULT. REMOVED AND REPLACED.Dec 25, 2000 · N4493X · Bolkms BK117A3 · Communications SystemSDR R7MA710732539Power Supply · inoperativeLIGHTING POWER SUPPLY, UNIT INOPERATIVE. RECEIVED NEW UNIT FROM AVIALL. REPLACED WITH NEW UNIT. CORRECTED PROBLEM.Nov 18, 2000 · N117MA · Bolkms BK117A3 · Exterior LightingSDR R7MR33075Seal · leakingLEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Oct 25, 2000 · N163BK · Bolkms BK117A3 · Turbine Engine Compressor SectionSDR R7MR33074Seal · leakingLEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Oct 25, 2000 · N163BK · Bolkms BK117A3 · Turbine Engine Compressor SectionSDR R7MR33070Seal · leakingLEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Oct 25, 2000 · N163BK · Bolkms BK117A3 · Turbine SectionSDR R7MR33061Curl · burnedEXCESSIVE BURN IN SOME AREAS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Oct 25, 2000 · N163BK · Bolkms BK117A3 · Turbine Engine Combustion SectionSDR R7MR33059Shroud · damagedEXCESSIVE GP BLADE TIP RUB. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Oct 25, 2000 · N163BK · Bolkms BK117A3 · Turbine SectionSDR R7MR33055Spring · wornWORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Oct 25, 2000 · N163BK · Bolkms BK117A3 · Turbine SectionSDR R7MR33054Seal Ring · wornWORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Oct 25, 2000 · N163BK · Bolkms BK117A3 · Turbine SectionSDR R7MR33051Sleeve · wornWORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Oct 25, 2000 · N163BK · Bolkms BK117A3 · Turbine SectionSDR R7MR32899Seal · leakingLEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Sep 23, 2000 · N625MB · Bolkms BK117A3 · Turbine SectionSDR R7MR32898Seal · leakingLEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Sep 23, 2000 · N625MB · Bolkms BK117A3 · Turbine SectionSDR R7MR32886Shroud · damagedEXCESSIVE GP BLADE TIP RUB. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Sep 23, 2000 · N625MB · Bolkms BK117A3 · Turbine SectionSDR R7MR32881Spring · wornWORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Sep 23, 2000 · N625MB · Bolkms BK117A3 · Turbine SectionSDR R7MR32880Seal Ring · wornWORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNITS, CORRECTED PROBLEM.Sep 23, 2000 · N625MB · Bolkms BK117A3 · Turbine SectionSDR R7MA707732458Bellows · tornBELLOWS WAS TORN AROUND CLAMP AND FOLD AREAS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Sep 20, 2000 · N420MB · Bolkms BK117A3 · Main Rotor Mast/SwashplateSDR 20001107SH030Nozzle · malfunctionedFUEL MANIFOLD ASSY HAD IMPROPER NOZZLE SPRAY PATTERN. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)Sep 7, 2000 · N951AM · Bolkms BK117A3 · Fuel Injector NozzleSDR 20001214SH049Gear · wornSTARTER, GEAR ASSY, EXCESSIVE SPLINE WEAR. REPLACED WTIH NEW UNIT, CORRECTED PROBLEM. (X)Jul 6, 2000 · N127HH · Bolkms BK117A3 · Engine StarterSDR 20001214SH048Seal · leakingNR 3 BEARING SEAL LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)Jul 6, 2000 · N127HH · Bolkms BK117A3 · Turbine SectionSDR 20001214SH047Seal · leakingNR 2 BEARING SEAL LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)Jul 6, 2000 · N127HH · Bolkms BK117A3 · Turbine SectionSDR 20001214SH046Bearing · wornANNULAR BALL BEARING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)Jul 6, 2000 · N127HH · Bolkms BK117A3 · Turbine Engine Accessory DriveSDR 20000918SH006Ignition Lead · shortedIGNITION HAD INTERNAL SHORT. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)Jun 28, 2000 · N163BK · Bolkms BK117A3 · Ignition Harness (Distribution)SDR 20001017SH017Cowling · wornCATCHER/CREST COWLING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)Jun 22, 2000 · N420MB · Bolkms BK117A3 · Engine Cowling SystemSDR 20001127SH007Spring · wornSEAL RING EXPANDER - SPRING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)Jun 14, 2000 · N420MB · Bolkms BK117A3 · Turbine SectionSDR 20001127SH006Seal · wornFIRST TURBINE SHROUD, SEAL RING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)Jun 14, 2000 · N420MB · Bolkms BK117A3 · Turbine SectionSDR 20001107SH029Seal · wornSEAL RING - FIRST TURBINE SHROUD, WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)Jun 10, 2000 · N163BK · Bolkms BK117A3 · Turbine SectionSDR 20001107SH028Spring · wornSPRING - SEAL RING EXPANDER, WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)Jun 10, 2000 · N163BK · Bolkms BK117A3 · Turbine SectionSDR 20000721SH029Engine · making metalINSPECTED NR 2 ENGINE CHIP DETECTOR AND FOUND NO SIGN OF CHIPS OR DEBRIS. CLEARED CHIP PLUG AND REINSERTED INTO HOUSING. PILOT PERFORMED A GROUND RUN OF THE NR 2 ENGINE AND THE CHIP LIGHT DID NOT ILLUMINATE. PILOT SHUT ENGINE DOWN, RE-CHECKED CHIP PLUG AND Jun 10, 2000 · N527MB · Bolkms BK117A3 · Reciprocating Engine Oil SystemSDR 20001107SH015Thermocouple · shortedTHERMOCOUPLE HAD INTERNAL SHORT. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)Jun 3, 2000 · N158BK · Bolkms BK117A3 · Engine Temperature Indicating SystemSDR 20001107SH014Thermocouple · shortedTHERMOCOUPLE HAD INTERNAL SHORT. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)Jun 3, 2000 · N158BK · Bolkms BK117A3 · Engine Temperature Indicating SystemSDR 20001107SH013Seal · leakingSEAL - NR 3 BEARING, LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)Jun 3, 2000 · N158BK · Bolkms BK117A3 · Turbine SectionSDR 20001107SH012Curl · damagedCURL ASSY - COMBUSTION CHAMBER, EXCESSIVE BURN IN SOME AREAS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)Jun 3, 2000 · N158BK · Bolkms BK117A3 · Turbine Engine Combustion SectionSDR 20001107SH011Bearing · wornBEARING - CYLINDER ROLLER NR 2, WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)Jun 3, 2000 · N158BK · Bolkms BK117A3 · Turbine Engine Compressor SectionSDR 20001107SH010Spring · wornSPRING - SEAL RING EXPANDER, WORN BEYOND SERVICEABLE LIMITS. REPLACED 2 EACH WITH NEW UNITS, CORRECTED PROBLEM. (X)Jun 3, 2000 · N158BK · Bolkms BK117A3 · Turbine SectionSDR 20001107SH009Seal · wornSEAL RING - FIRST TURBINE SHROUD, WORN BEYOND SERVICEABLE LIMITS. REPLACED 2 EACH WITH NEW UNITS, CORRECTED PROBLEM. (X)Jun 3, 2000 · N158BK · Bolkms BK117A3 · Turbine SectionSDR 20001107SH008Bearing · corrodedBEARING - ANNULAR BALL, COMPRESSOR, EXCESSIVE PITTING REPLACED WITH NEW UNIT, CORRECTED. PROBLEM. (X)Jun 3, 2000 · N158BK · Bolkms BK117A3 · Turbine Engine Compressor SectionSDR 20001107SH007Tube · wornTUBE-START ASSIST TO MANIFOLD FEED WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)Jun 3, 2000 · N158BK · Bolkms BK117A3 · Fuel Controlling SystemSDR 20000721SH004Manifold · malfunctionedFUEL MANIFOLD ASSY CAUSES ENGINE TO RUN HOT. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)Jun 2, 2000 · N163BK · Bolkms BK117A3 · Engine Fuel DistributionSDR 20000721SH005Manifold · malfunctionedFUEL MANIFOLD ASSEMBLY CAUSES ENGINE TO RUN HOT. (X)May 18, 2000 · N420MB · Bolkms BK117A3 · Engine Fuel DistributionSDR 20000720SH013Fitting · crackedUPON INSPECTION, NOTICED A CRACK BEHIND UPPER LEFT BOLT HOLE EXTENDING TO RIVET HOLE. (X)Apr 26, 2000 · N163BK · Bolkms BK117A3 · Empennage Flight Control Surfaces, Attach FittingsSDR 20000918SH008Ignition Lead · shortedINTERNAL SHORT. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)Apr 12, 2000 · N158BK · Bolkms BK117A3 · Ignition Harness (Distribution)SDR 20000918SH007Ignition Lead · shortedIGNITION HAD INTERNAL SHORT. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)Apr 12, 2000 · N158BK · Bolkms BK117A3 · Ignition Harness (Distribution)
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