JASC 6230
Service difficulty reports · 1,271
Reports filed under 6230 · Main Rotor Mast/Swashplate, newest first.
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 jasc_code = '6230' 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 jasc_code = '6230' 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 99ZZZX3335Bearing · roughSWASHPLATE ASSY WAS REMOVED DUE TO BEARING ROUGHNESS. FOUND BEARING INNER RACE BREAKING DOWN. SUBMITTER STATED THIS IS SECOND BEARING ON ASSY, S/N JIJA-90059, IN 9 MONTHS.SDR CA990818003Bearing · failed(CAN) AFTER SHUTDOWN (FOLLOWING LOGGING OPERATIONS), A LOT OF BLACK GREASE AND METAL HAD BEEN SLUNG FROM THE SWASHPLATE SEAL AND PIECES OF BEARING CAGE WERE FOUND ALL OVER THE AFT SWASHPLATE AREA AND THRUST DECK. SWASHPLATE WAS REMOVED AND BEARINGS WERE EXTRESDR 99ZZZX3282Bearing · crackedDURING A MAST NUT TORQUE CHECK, A MECHANIC NOTICED EXCESSIVE AXIAL PLAY IN MAIN ROTOR MAST. UPON MEASURING PLAY, IT WAS FOUND TO BE OUT OF LIMITS AND TRANSMISSION WAS SENT TO OVERHAUL SHOP FOR EVALUATION. TRANSMISSION WAS INSPECTED AND THIS BALLBEARING WAS FSDR HEEA063402Pitch Link · corrodedP/C LINK CORRODED BEYOND LIMITS. REPLACED WITH SERVICEABLE PARTS.SDR 99ZZZX3783Bearing · making metalMAST BEARING PRODUCING METAL. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR HEEA062988Hub Bushing · wornWORN BEARINGS ON HUB.SDR HEEA062980Drive Ring · wornSPLINE WORN BEYOND LIMITS ON DRIVE RING SET.SDR CA990818001Link · cracked(CAN) PART WAS NEW AT PREVIOUS OVERHAUL OF ROTOR HEAD ASSY, HOWEVER, DISASSEMBLY REVEALED THAT A 0.125 INCH CRACK AT THE PIN BORE EDGE FOUND DURING NDT INSPECTION.SDR BAQA062725Mast · gougedMAST HAD 1 INCH LONG GOUGE ON MATING AREA UNDER SPLIT CONES. GOUGE DEPTH STARTED AT .001 INCH.SDR 99ZZZX3248Bearing · failedBEARING CAUSING CHIP LIGHT.SDR 99ZZZX3445Bungee Socket · loosePILOT COMPLAINED OF A STIFF COLLECTIVE. FOUND COLLECTIVE BUNGEE BRACKET DEFLECTING EXCESSIVELY DURING CONTROL MOVEMENT. FOUND THE BUNGEE PLUNGER 369A 7372-5 DRAGGING WITHIN BUNGEE SOCKET 369A 7371-7. CLEANED OUT DRIED OUT MOLYBOENUM DISULPHIDE GREASE AND RSDR CA990630059Mast · cracked(CAN) CRACKS VISIBLE ON FLANGE SURFACE EMANATING FROM ROTOR HEAD ATTACHMENT BORES.SDR HEEA062502Lever Assy · wornLEVER ASSEMBLY BUSHING WORN. SERIAL NUMBERS REMOVED ARE A-2487 AND A-2485.SDR HEEA062501Gimbal Ring · wornBUSHING ON GIMBAL RING WORN.SDR CA990707031Bearing · corroded(CAN) DURING 100 HOUR INSPECTION, SWASHPLATE BEARING ROUGHNESS WAS NOTED DURING ROTATION. MAST ASSEMBLY WAS REMOVED AND SENT FOR FURTHER INSPECTION WHERE SWASHPLATE BEARING WAS REPLACED DUE TO CORROSION AND BRINELLING.SDR CA991007046Swashplate · out of adjust(CAN) THE SWASHPLATE FRICTION WAS ADJUSTED AT THE 300 HOUR INSPECTION. WAS ADJUSTED TO THE HIGH SIDE. HOWEVER, WHEN THE OUTSIDE TEMPERATURE WENT UP, SO DID THE FRICTION. UNIT WAS RE-ADJUSTED.SDR 99ZZZX3209Silver Shim · leakingSILVER SHIM ON MAIN ROTOR LEAKING. REF: MCN 33. REMOVED AND REPLACED.SDR R7MA0000624Support · wornCOATING FOR SWASHPLATE SUPPORT WORN TO LIMITS. (X)SDR 99ZZZX1951Mast · corrodedMAST REMOVED FOR OVERHAUL. FOUND UPPER SPLINES CORRODED AND WORN BEYOND LIMITS. RETIREMENT LIFE 5,000 HOURS.SDR 2000ZZZX140Link · looseLINK HAD EXCESSIVE PLAY. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR HEEA061571Swashplate · malfunctionedUNABLE TO ADJUST FRICTION ON M/R SWASHPLATE.SDR HEEA061554Idler Assy · wornIDLER ASSEMBLY HAS WORN BEARINGS.SDR HEEA061546Gimbal Ring · wornGIMBAL RING WORN.SDR HEEA061545Hub Bushing · wornHUB BUSHING WORN.SDR HEEA061330Lever Assy · mismanufacturedMISMANUFACTURED. PINS WOULD NOT ENGAGE SLEEVE ASSY, MIC'ED PINS AND FOUND TO BE .010 INCH OVERSIZED.SDR CA991007043Swashplate · vibration(CAN) WHEN MAINTENANCE RUNNING WITH BLADES OFF, A SEVERE STICK SHAKE (1.2 IPS) WAS NOTED. SWASHPLATE REPLACED AND SHAKE REDUCED TO 0.2 IPS.SDR 99ZZZX3225Bearing · failedFAILED ASB-430-99-0, GREASE HAS METAL IN IT. REPLACED SWASHPLATE DUPLEX BEARING.SDR HEEA061142Gimbal Ring · wornGIMBAL RING WEARING IN PIN AREA AND BUSHING.SDR CA990318074Bearing · making metal(CAN) SWASHPLATE INSPECTED IAW UPCOMING ASB(430-99-XX - NOT YET ISSUED). FINDINGS ARE AS FOLLOWS: METAL FLAKES FOUND IN GREASE COMING FROM INNER AND OUTER RACE CAGES OF BEARING. BALL BEARING HAD EVIDENCE OF FLAT SPOT OR MARKS.SDR 99ZZZX1688Mast · corrodedMAST WAS SCRAPPED DUE TO EXCESSIVE CORROSION PITTING ON UPPER SPLINES. THIRTY PERCENT OF RETIREMENT LIFE.SDR HEEA060642Nut · corrodedCORROSION ON THREADS. REPLACED WITH SERVICEABLE PART.SDR HEEA060641Liner · corrodedLINER/MAST WORN AND CORRODED. REPLACED WITH SERVICEABLE PART.SDR HEEA060632Bearing · corrodedWORN AND CORRODED. REPLACED LINER AND RETURNED TO SERVICE.SDR HEEA060492Swashplate · leakingUPPER GREASE SEAL LEAKING ON SWASHPLATE.SDR HEEA060430Ring Assy · corrodedRING ASSY CORRODED UNDER NUTPLATE. SCRAPPED AND REPLACED WITH SERVICEABLE PART.SDR HEEA060194Hub · leakingOUTBOARD GRIP SEAL LEAKING ON MAIN ROTOR HUB ASSEMBLY.SDR HEEA060191Swashplate · wornWORN SWASHPLATE ASSY, VERTICAL BOUNCE IN HOVER.SDR HEEA060190Swashplate · wornSLIDERS ARE WORN ON SWASHPLATE.SDR HEEA060189Swashplate · wornSWASHPLATE EXPERIENCED GENERAL PREMATURE WEAR, DUE TO OPERATIONS IN HIGH DUST ENVIRONMENT. ONE SPHERICAL BEARING ON OUTER RING EXCEEDED LIMITS IN ADDITION TO COLLECTIVE PIVOT BUSHINGS AT LIMITS. REPLACED WITH SERVICEABLE SWASHPLATE ASSY.SDR HEEA060188Bearing · pittedSWASHPLATE PITTED ON RACES. REPLACED DUPLEX BEARING AND RETURNED SWASHPLATE ASSY TO SERVICE.SDR HEEA060187Bushing · wornSWASHPLATE WORN. REPLACED BUSHINGS AND RETURNED SWASHPLATE ASSY TO SERVICE.SDR HEEA060186Bushing · wornSWASHPLATE WORN. REPLACED BUSHINGS AND RETURNED SWASHPLATE ASSY TO SERVICE.SDR HEEA060185Bushing · wornSWASHPLATE WORN. REPLACED BUSHINGS AND RETURNED SWASHPLATE ASSY TO SERVICE.SDR HEEA060184Bushing · wornSWASHPLATE WORN. REPLACED BUSHINGS AND RETURNED SWASHPLATE ASSY TO SERVICE.SDR HEEA060126Bearing · damagedBALLS BREAKING DOWN. REPLACED WITH SERVICEABLE BEARINGS.SDR 99ZZZX3219Bearing · wordIDLER ASSY HAS WORN BEARING.SDR 99ZZZX3361Bearing · failedMAST BEARING CHIP LIGHT WILL NOT EXTINGUISH. REPLACED PER INSTRUCTIONS FROM BELL HELICOPTER.SDR 99ZZZX847Link Assy · looseLINK ASSY, DRIVE-SCISSORS, EXCESSIVE PLAY AT HIGH SPEED. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR 99ZZZX222Rod · wornDURING AIRCRAFT APPROACH, THE COLLECTIVE WAS LOWERED AND THE NR 1 ENGINE BEGAN A SERIES OF COMPRESSOR STALLS AND HIGH TOT. POWER REDUCED AND AIRCRAFT LANDED WITHOUT INCIDENT. SUBMITTER STATED NEW ROD AND NEW BELLCRANK AT EACH OVERHAUL MIGHT CURE WEAR PROBLEMSDR HEEA0016794Link Assembly · wornLINK ASSEMBLY BUSHING WORN. SERIAL NUMBERS REMOVED ARE AFS 1491 AND AFS 1467. REPLACEMENT SERIAL NUMBERS ARE AFS 2073 AND AFS 2068.
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