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.
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
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
SDR HEEA0011643Indicator · out of toleranceENGINE RPM INDICATOR HIGH OUT OF TOLERANCE ABOVE 50 PERCENT INTERMITTENT OPERATION.SDR 97ZZZX5056Indicator · defectiveBAD INPUTS TO YAW CSAS. NOTE: RED IMPACT INDICATOR. REMOVED AND REPLACED.SDR 97ZZZX5055Indicator · failedCIRCUIT BREAKER TRIPS. INDICATOR HAS INTERNAL SHORT. REMOVED AND REPLACED.SDR 97ZZZX5080Bearing · mismanufacturedTOLERANCES TOO TIGHT, WOULD NOT FIT ON SHAFT CORRECTLY. REMOVED AND REPLACED.SDR 98ZZZX569Manifold · leaksSUBMITTER STATES EXCESSIVE FUEL MANIFOLD LEAKS OVER THE LAST 18 MONTHS. ALLIED SIGNAL IS IN THE PROCESS OF RELEASING AN ASB LIMITING THE LIFE OF THE FUEL MANIFOLD TUBES. OTHER OPERATORS SUBMITTER CONTACTED ARE HAVING THE SAME PROBLEMS. OMNIFLIGHT HAS GONE TSDR 97ZZZX5054Starter/Gen · chafedREMOVED NR 2 STARTER/GENERATOR. FAN CHAFED HOLE IN SCREEN. REMOVED AND REPLACED.SDR HEEA0011178Indicator · failedAIR SPEED NEEDLE DOES NOT RETURN TO ZERO ON INDICATOR.SDR 97ZZZX5075Toggle Switch · failedTOGGLE SWITCH UNIT INOPERATIVE. WILL NOT CLOSE WHEN POWER IS 'OFF'. UNIT IS STUCK IN 'ON' POSITION. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR 98ZZZX1432Bearing · damagedBEARING NR 2 OUTER RACE SECONDARY DAMAGE DUE TO NR 2 BEARING FAILURE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. PART TOTAL CYCLES: 9,931.0.SDR 98ZZZX1431Bearing · damagedBEAERING NR 3 SECONDARY DAMAGE DUE TO NR 2 BEARING FAILURE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. PART TOTAL CYCLES: 1,069.2.SDR 98ZZZX1430Bearing · damagedNR 1 BEARING SECONDARY DAMAGE DUE TO NR 2 BEARING FAILURE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. PART TOTAL CYCLES: 1,069.2.SDR 98ZZZX1429Bearing · failedNR 2 BEARING FAILURE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. PART TOTAL CYCLES: 2,448.5.SDR 98ZZZX570Manifold · leaksSUBMITTER STATES EXCESSIVE FUEL MANIFOLD LEAKS OVER THE LAST 18 MONTHS. ALLIED SIGNAL IS IN THE PROCESS OF RELEASING AN ASB LIMITING THE LIFE OF THE FUEL MANIFOLD TUBES. OTHER OPERATORS SUBMITTER CONTACTED ARE HAVING THE SAME PROBLEMS. OMNIFLIGHT HAS GONE TSDR HEEA0011027Blade · defectiveBONDING BRAID BROKEN NEAR THE INBOARD END OF THE ABRASION STRIP.SDR 97ZZZX4713Output Shaft · mismanufacturedOUTPUT SHAFT REJECTED NEW OUT-OF-BOX. SILVER PLATING ON INNER SHAFT SURFACE NOT PROPERLY APPLIED. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR 97ZZZX4712Bevel Wheel · mismanufacutredTRANSMISSION BEVEL WHEEL REJECTED NEW OUT-OF-BOX. UNABLE TO GET ACCEPTABLE GEAR PATTERN. INSTALLED IN 2 DIFFERENT GEARBOXES WITHOUT SUCCESS (SAME RESULTS). THE CONTACT PATTERN IS ALWAYS OFF THE TOE. REPLACED WITH NEW UNIT, CORRECT PROBLEM.SDR HEEA0010742Search Light · bentSEARCH LIGHT CANNON PLUG AND ATTACHED HOUSING BENT.SDR 97ZZZX4097Rotor Assy · blade shiftROTOR ASSY FAILED SB LT101-72-10-0153. EXCESSIVE IBPT BLADE SHIFT. FAILED Q-ROTOR INSPECTION. REPLACED WITH USED UNIT, CORRECTED PROBLEM. PART TOTAL CYCLES, 8,508.8.SDR 97ZZZX5066Switch · failedSWITCH UNIT OPERATES INTERMITTENTLY IN 'ON' POSITION. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR 98ZZZX1150Seal · leakingLEFT ENGINE NR 3 BEARING LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR 98ZZZX1149Seal · leakingLEFT ENGINE NR 1 BEARING LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR 98ZZZX106Rotor Assy · failedROTOR ASSY FAILED SB LT101-72-10-0153, Q-ROTOR = 12.36 GMIN2. EXCESSIVE IBPT BLADE SHIFT. REPLACED WITH USED UNIT, CORRECTED PROBLEM. PART TOTAL CYCLES, 3,148.SDR 98ZZZX1151Seal · leakedLEFT ENGINE NR 2 BEARING SEAL, UPON INSTALLATION, UNIT LEAKED BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR 97ZZZX5065Speed Pickup · failedSPEED PICKUP UNIT FAILED TO TEST UPON INSTALLATION. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR HEEA0010360Indicator · reads highN1 READS HIGH AT 90% AND ABOVESDR HEEA0010198Actuator · leakingT/R ACTUATOR LEAKING HYRAULIC FLUID.SDR HEEA0010178Indicator · intermittentMAST MOMENT INDICATOR INTERMITTENT IN FLIGHT.SDR HEEA0010177Transmitter · intermittentTORQUE TRANSMITTER INTERMITTENT IN FLIGHT.SDR 97ZZZX3591Computer · failedSPAS COMPUTER CAUTION LIGHT ILLUMINATES INTERMITTENTLY IN-FLIGHT. UNIT FAILED AFTER ONLY 178 HOURS. REMOVED AND REPLACED. (X)SDR 97ZZZX4593Blade · crackedFAILED BLADE INSPECTION. EXCESSIVE SKINS CRACKS AND BULGING. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR 97ZZZX4592Blade · crackedFAILED BLADE INSPECTION. EXCESSIVE SKINS CRACKS AND BULGING. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR HEEA0010064Transducer · erraticENG TORQUE ERRATIC READINGS.SDR HEEA0010048Indicator · defectiveAFTER ONE HOUR OF USE, NEEDLE DROPS FROM NINETY PERCENT TO FIFTY PERCENT.SDR 97ZZZX4098Bearing · wornBEARING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH 2 EACH NEW UNITS, CORRECTED PROBLEM.SDR 97ZZZX3614Gyro · driftsDIRECTIONAL GYRO DRIFTS OFF HEADING. FAILED AFTER ONLY 4.5 HOURS OPERATION.SDR HAIHEEA9597Blade · defectiveWEIGHT PACKAGE MOVIAL. S/N 1158 & 1174SDR HAIHEEA9542Armature · brushes wornSTART/GEN BRUSHES WORN. SHORTED OUT. RECEIVED REWOUND FROM VENDOR. TIME SINCE REPAIR 258:15.SDR HAIHEEA9539Battery · defectiveBATTERY NOT HOLDING CHARGE. FAILED CAPACITY CHECK 3 TIMES.SDR 97ZZZX4078Bearing · roughBALL BEARING ROUGH. REPLACED WITH 2 EACH NEW UNITS, CORRECTED PROBLEM.SDR HAIHEEA9369Actuator · leakACTUATOR LEAK BETWEEN ELECTRO MECHANICAL ACTUATOR AND HYDRAULIC SERVO BODY.SDR HAIHEEA9330Blade · bulgingBLADE BULGING BEYOND LIMITS.SDR 97ZZZX3617Computer · malfunctionPITCH AND ROLL CSAS CAUTION LIGHT ILLUMINATED INTERMITTENTLY.SDR 97ZZZX3595Fire Bottle · failedFIRE EXTINGUISHER BOTTLE LOST PRESSURE AND CONTENTS.SDR 97ZZZX3594Computer · malfunctionSPAS LIGHT WILL NOT EXTINGUISH ON ANNUNCIATOR PANEL.SDR HEEA979157Fuel Pump · leakingON ENGINE INSTALLATION RUNUPS FUEL FOUND LEAKING EXCESSIVELY FROM FUEL PUMP CASE DRAIN. REPLACED FUEL PUMP.SDR 97ZZZX2318Pin · wornSECONDARY BLADE PIN WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR 97ZZZX2317Pin · wornSECONDARY BLADE PIN WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR 97ZZZX2316Blade Pin · wornSECONDARY BLADE PIN WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR 97ZZZX2136Blade Pin · wornSECONDARY BLADE PIN WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR HEEA979028Transmitter · defectiveUNIT TRANSMITS LOW.
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