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 HEEA979027Indicator · faultyLIMIT LIGHT COMES ON TOO SOON.SDR HEEA979019Control Display · faultyDIMMING CONTROL NOT WORKING, STAYS BRIGHT. REPLACED V101 PHOTOCELL AND S103 IDT SWITCH. REPAIRED. TESTED. CHECKED 28V LIGHTING. BENCH CHECK GOOD.SDR 98ZZZX579Manifold · 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 97ZZZX2151Bearing · wornBEARING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH 2 EACH NEW UNITS, CORRECTED PROBLEM.SDR 97ZZZX1348Pump · leakingLEAKING AT CASE DRAIN WHEN PUMP IS SHUT OFF. NEW PUMP, LASTED ONLY 15 MINUTES IN OPERATION.SDR 97ZZZX1342Gyro Horizon · inoperableGYRO HORIZ PITCH AND ROLL CSAS INOPERABLE.SDR 97ZZZX2150Bolt · wornBOLT WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR HEEA978849Support · crackedTUBE SUPPORT CRACKED COMPLETELY ON INNER CORE.SDR 97ZZZX1343Computer · failedYAW COMPUTER HAD EHA FAILED IN FULL RETRACT POSITION.SDR 97ZZZX1340Gyro Horizon · failedHORIZON STARTED SPINNING AND TUMBLING IN-FLIGHT.SDR HEEA968811Mount · crackedONE LEG OF ENGINE MOUNT CRACKED IN HALF.SDR 97ZZZX2433Seal · leakingSEAL LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR 97ZZZX2432Seal · leakingSEAL LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH 3 EACH NEW UNITS, CORRECTED PROBLEM.SDR 97ZZZX2431Seal · leakingSEAL LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR 97ZZZX2430Seal · leakingSEAL LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR 97ZZZX2429Shaft · defectiveCOMPRESSOR SHAFT IMPROPER STRETCH. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR 97ZZZX2428Seal Ring · wornSEAL RING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH 2 EACH NEW UNITS, CORRECTED PROBLEM.SDR 97ZZZX2427Turbine · blade shiftROTOR ASSY FAILED SB LT101-72-10-0153. EXCESSIVE IBPT BLADE SHIFT NR 9 -0.026 INCH. REPLACED WITH USED UNIT, CORRECTED PROBLEM. PART TOTAL CYCLES, 3,172.3.SDR 97ZZZX2426Seal · leakSEAL LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR 97ZZZX2425Spring · wornSEAL RING EXPANDER SPRING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH 2 EACH NEW UNITS, CORRECTED PROBLEM.SDR 97ZZZX2137Bearing · wornBEARING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH 2 EACH NEW UNITS, CORRECTED PROBLEM.SDR 97ZZZX1375Gearbox · wrong partGEARBOX WAS REMOVED FROM BK117, S/N 7146, AND ASB BK117-10-109 WAS NOT C/W DURING OVERHAUL. THIS GEARBOX WAS TO BE USED ON A BO105S, S/N 2033, AND IS NOT ALLOWED TO BE IAW THIS ASB.SDR 97ZZZX1395Actuator · leakedCARGO DOOR STRUT LEAKED OVERNIGHT AFTER INSTALLING NEW.SDR 97ZZZX1353Starter · malfunctionedSTARTER/GENERATOR MALFUNCTION. ENGINE SLOW TO START.SDR HEEA968729Indicator · intermittentINDICATOR INTERMITTENT. TIME SINCE REPAIR 31:25.SDR HEEA968728Transmitter · intermittentTORQUE TRANSMITTER INTERMITTENT. TIME SINCE REPAIR 31:25.SDR 97ZZZX1341Indicator · defectiveINDICATOR TESTS PASSED THE CALIBRATION LINE.SDR 98ZZZX583Manifold · 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 97ZZZX1347Transceiver · inoperativeINOPERABLE COCKPIT VHF.SDR 97ZZZX1345Transceiver · failedTRANSCEIVER WILL NOT TRANSMIT.SDR 97ZZZX2962Bearing · failedNR 2 BEARING FAILURE. DURING START, NR 2 ENGINE FAILED. NR 1 ENGINE WAS AT GROUND IDLE. FAILURE OCCURRED AT 40 PERCENT N1 DURING START-UP. ALL PARAMETERS WERE NORMAL AND WITHIN LIMITS. THERE WAS A SUDDEN LOUD NOISE FOLLOWED BY SMOKE FROM THE TAILPIPE AND SDR 97ZZZX2321Switch · failedPRESSURE SWITCH WILL NOT ILLUMINATE AT MINIMUM PRESSURE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR 97ZZZX1346Transceiver · failedTRANSCEIVER WILL NOT RECEIVE. DID NOT WORK WHEN INSTALLED.SDR 97ZZZX637Blade · crackedM/R BLADE CRACKS AND SKIN BULGING. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR 97ZZZX636Blade · crackedM/R BLADE CRACKS AND SKIN BULGING. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR 97ZZZX1377Mount Link · out of limitsENGINE MOUNT LINK DIMENSIONS OUT OF LIMITS.SDR HEEA968414Transceiver · indicator inopDME INDICATOR INOPERATIVE. (COMPONENT DETACHED FROM CIRCUIT BOARD) FOUND C125 CAPACITOR LOOSE IN UNIT. REPLACED C125 CAPACITOR. UNIT STILL INOPERATIVE. FOUND L202 COIL HAD BROKEN LEAD AND WAS DETACHED FROM BOARD AT ONE END. CLEANED UP BOARD AND WAS ABLE TSDR HEEA968400Indicator · reads highTOT INDICATOR READS 10-15 PERCENT C HIGH THROUGHOUT RANGE.SDR HEEA968399Indicator · failedTOT INDICATOR CHECKED BAD.SDR 97ZZZX2315Bearing · wornBEARING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR 96ZZZX5991Transceiver · failedTRANSCEIVER WILL NOT TRANSMIT. IN A/C ONLY 3.5 HRS BEFORE FAILURE.SDR 96ZZZX5992Transceiver · failedTRANSCEIVER WILL NOT TRANSMIT.SDR HEEA968297Indicator · reads highINDICATES HIGH OUT OF TOLERANCE AT 100%. STICKS ON START.SDR 97ZZZX2424Bearing · defectiveNR 2 BEARING HAS FLAT SPOTS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR HEEA968184Control Unit · malfunctionADJUSTMENT KNOBS FOR FREQUENCY CHANGE DON'T WORK PROPERLY. PERFORMED PRELIMINARY INSPECTION. CLEANED WAFERS, FOUND PHOTOCELL (V101) NOT DIMMING. REPLACED V101 PHOTOCELL. REPAIRED. RAISED HEADER (P101) AND APPLIED HUMISEAL. ALSO REPLACED 28V BULB (DS301). SDR HEEA968182Indicator · lights inopINSTRUMENT LIGHTS ON 1/2 WORK. FOUND 4 BURNT LAMPS. PERFORMED PRELIMINARY INSPECTION. REPLACED 4 EACH LAMPS. PERFORMED COMPLETE CALIBRATION AND ALIGNMENT. BENCH CHECK GOOD.SDR HEEA968093Transceiver · defectiveSQUELCH STAYS ON.SDR HEEA968077Transceiver · defectiveWILL NOT TRANSMIT. FOUND UNIT TO HAVE INTERMITTENT TRANSMIT POWER AND WEAK RECEIVER SENSITIVITY. ADJUSTED PRESELECTOR TUNING VOLTAGE AND ALIGNED RECEIVER, REPAIRED RECEIVER SENSE PROBLEM. UNIT HAS INTERMITTENT TRANSMIT PROBLEM FROM 138-140MHZ, REPLACED VCO MSDR HEEA967981Manifold · crackedENGINE LEAK CHECK REVEALED: FUEL LEAKING FROM FUEL MANIFOLD TUBING. REPLACED DISCREPANT PART.SDR 96ZZZX5770Transceiver · inoperativeINOP WHEN INSTALLED IN A/C - WILL NOT TRANSMIT.
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