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 ALGA2012061204Shaft · corrodedMAIN ROTOR SHAFT, CORROSION BEYOND LIMITS.SDR 2A6R2012060700001Rotor Shaft · crackedUPON INSTALLATION OF MAIN ROTOR TRANSMISSION - EXCESSIVE VERTICAL PLAY WAS NOTED. UPON WITHDRAWL OF ROTOR MAST FROM GEARBOX FOR SPACER TUBE INSPECTION, A CRACK WAS NOTED ON ROTOR SHAFT. VERIFIED BY VISUAL 10 POWER MAGNIFICATION.SDR ALGA2012052401Bearing · corrodedMAIN ROTOR MAST HAS BEARING CORROSION BEYOND LIMITS.SDR CA120523011Bearing · leaking(CAN) EXCESSIVE GREASE LEAKAGE FROM MAIN ROTOR SWASHPLATE BEARING FOUND AT ALF AFTER LAST FLIGHT, INSPECTION. SWASHPLATE CHECK FOR OVERTEMP, NO ABNORMAL TEMPERATURE AFTER 15 MINUTE GROUND RUN. SWASHPLATE BEARING ROTATION CHECK FOR ABNORMAL FRICTION/ROUGHNESSSDR ALGA2012043001Mast · damagedDURING COURSE OF 1500 HR INSPECTION, FOUND MAST POLE (206-040-535-109, SN N-767) CORRODED ON SPLINES. MAST NUT (206-040-078-005) CORRODED BEYOND LIMITS. LOCKPLATE (206-040-113-105) WORN BEYOND LIMITS. REPLACED MAST POLE, NUT AND LOCKPLATE.SDR ALGA2012040501Mast · corrodedPITTING CORROSION ON SPLINES ON MAST POLE BEYOND LIMITS.SDR ALGA2012032000008Nut · corrodedMAIN ROTOR MAST NUT HAS PITTING CORROSION BEYOND LIMITS.SDR ALGA2012320000007Liner · corrodedMAIN ROTOR MAST LINER HAS PITTING CORROSION BEYOND LIMITS.SDR ALGA201203190006Bearing · wornSWASHPLATE BEARING WORN BEYOND LIMITS.SDR ALGA20010319205Bushing · wornSWASHPLATE BUSHING WORN BEYOND LIMITS.SDR ALGA20123200004Bushing · wornMAIN ROTOR SWASHPLATE BUSHING IS WORN BEYOND LIMITS.SDR ALGA201203121204Cap · corrodedSWASHPLATE CAP HAS PITTING CORROSION BEYOND LIMITS.SDR ALGA201203121203Cap · corrodedSWASHPLATE CAP HAS PITTING CORROSION BEYOND LIMITS.SDR ALGA20122281215Nut · corrodedPITTING CORROSION BEYOND LIMITS.SDR ALGA20122281214Mast · corrodedMAST CORRODED BEYOND LIMITS.SDR 2012FA0000185Mast · brokenACFT LANDED ON LOAD TRUCK. ACFT RECEIVED FUEL AND LOAD. PILOT FELT VIBRATION AND SHUTDOWN ACFT AND FOUND MAST POLE BROKEN.SDR ALGA2012020100075Mast · corrodedCORROSION FOUND ON TUNGSTEN CARBIDE AREA OF MAST POLE. SENT TO HELICOPTER FOR EVALUATION IAW ASB 407-11-94 MANUAL.SDR ALGA2012012400412Bearing Race · corrodedMAIN ROTOR MAST BEARING RACE HAS PITTING CORROSION BEYOND LIMITS.SDR ALGA2012012401412Mast · corrodedMAST HAS PITTING CORROSION BEYOND LIMITS ON SPLINES.SDR CA120116003Gimbal Ring · damaged(CAN) DURING 100 HRS INSPECTION, 2 SMALL DAMAGED SCREWS WHERE FOUND IN THE BOTTOM OF THE MAIN TRANSMISSION BAY STILL ATTACHED WITH LOCKING WIRE. FURTHER INSPECTION REVEALED THAT THE SCREW BELONGED TO 1 OF THE 4 SWASHPLATE GIMBAL RING ATTACHEMENT POINTS. SWASSDR ALGA2012011601712Nut · corrodedMAIN ROTOR MAST NUT HAS PITTING CORROSION BEYOND REPAIR LIMITS.SDR QMLD20111192662Mast · corrodedTHE MAIN ROTOR SHAFT HAS CORROSION ON THE TOP OF THE FLANGE WHERE IT COMES INTO CONTACT WITH THE SILVER SHIM AND THE MAIN ROTOR HEAD. THE CORROSION IS BEYOND LIMITS.SDR CA111115015Bearing · failed(CAN) THEMECHANICS DISCOVERED DURING NORMAL INSPECTION, THE FAILED PITCH LINK BEARING CAUSING UNREPAIRABLE DAMAGE TO THE PITCH HORN. PARTS WERE REPLACED. CAUSE OF BEARING FAILURE IS UNKNOWN.SDR CA111104007Ring · cracked(CAN) SWASHPLATE ASSY IN FOR A 2500 HR INSPECTION WHEN THE COMPONENT SHOP NOTICED 2 DISTINCT CRACKS ON THE INSIDE OF THE RING AS VIEWED FROM THE HOLES ON THE BOTTOM OF THE STATIONARY INNER RING.SDR RMXA20110915001Boot · tornMAST BOOT CAME FREE FROM ROTATING SWASH PLATE. A PIECE OF THE BOOT LOWER FLANGE TORE OFF AND DEPARTED THE ACFT MOST LIKELY HITTING THE P/C LINKS THAT CAUSED A VIBRATION FELT IN THE CYCLIC CONTROL STICK.SDR QMLA2011090711104Control Tube · crackedDURING AN AIRWORTHINESS CHECK, A CRACK WAS DISCOVERED IN THE MAIN ROTOR ROTATING CONTROL TUBE ATTACHED TO THE GREEN MAIN ROTOR BLADE. THE CRACK WAS LOCATED IN THE COLLAR OF THE TUBE POSITIONED NEAREST THE BLADE, AND WAS PARALLEL TO THE LENGTH OF THE TUBE. ONCSDR CA090929004Bearing · loose(CAN) BEARING SLEEVE FOUND LOOSE DUE TO IMPROPER ADHESIVE USE AND IMPROPER STAKING OF BEARING ASSY.SDR QMLDMG2492Gear · wornWHILE PERFORMING AN INSP OF THE MAIN ROTOR MAST, FOUND LATERAL PLAY IN THE COLLECTOR GEAR. UPON REMOVAL OF THE MAST NUT THE LOWER MAST BEARING FELL OUT OF THE MAIN TRANSMISSION. UPON FURTHER INVESTIGATION FOUND DAMAGE ON THE LOWER BEARING FACE AND THE MAST NUSDR ALGAR8311A1210305Nut · backed outLOWER RACE RETENTION NUT BACKED OFF TO END OF THREADS CAUSING CUTTING ACTION IN LOWER PORTION OF TRANSMISSION CASE.SDR CA110727004Bearing · failedUPON ROUTINE INSP OF MAIN ROTOR TRANSMISSION ASSY INTERNAL WAFER FILTER, THE ON SITE AME DISCOVERED AN UNUSUALLY LARGE QUANTITY OF FERROUS METAL. FURTHER INVESTIGATION REVEALED METAL FOUND ON THE CHIP DETECTOR AND SUMP SCREEN OF THE TRANSMISSION. THE ACFT WASDR EOPA07201130569Mast · making metalTRANSMISSION LIGHT ILLUMINATED IN FLIGHT. ON FURTHER INVESTIGATION TRANSMISSION AND MAST ASSY REPLACEMENT REQUIRED.SDR CA110711014Guide · wornDEEP WEAR FOUND ON LOWER PORTION OF OUTER SURFACE OF GUIDE. WEAR TO THE DEPTH OF .030" APPROX 1/3 OF THE CIRCUMFERENCE OF GUIDE.SDR CA110725013Retainer · scoredDURING 100 HR INSP, IT WAS FOUND THAT LOCKWIRE TAIL ON NAS1352-08H8P SCREW MADE CONTACT WITH INNER SURFACE OF RETAINER PN: C206-1 CAUSING SCORING. SWASHPLATE ASSY REPLACED.SDR ALGAR52711N463Mast · corrodedCORROSION FOUND IN AREA OF TUNGSTEN CARBIDE WHERE MAIN ROTOR LOWER CONE CLAMPS.SDR QMLDML0371Mast · wornMAIN ROTOR MAST WAS REMOVED FOR OTHER INSPECTIONS AND WAS FOUND TO HAVE FRETTING IN ZONE "G". AREA OF THE SEALING RING RUNNER FOR THE UPPER MAST SEAL.SDR QMLDMG2014Rotor Shaft · faultyWHILE TRYING TO ISOLATE A MALFUNCTION WITH THE MAST MOMENT INDICATION SYSTEM THE STRAIN GAGE WAS FOUND TO HAVE ERRATIC READINGS.SDR CA110422003Bushing · crackedONE BUSHING FOUND CRACKED DURING 600 H INSP. ASSY REPLACED.SDR E3MA20110406Swashplate · frozenDURING THE BUILD UP OF THE MAIN GEAR BOX IT WAS DISCOVERED THAT THE ROTATING PORTION OF THE SWASH PLATE WOULD NOT ROTATE.SDR UNFR2011040200001Swashplate · out of adjustPREFORMING GROUND RUNS AND BALANCING OF M/R BLADES AND ON ADJUSTING OF LINKS FOUND PLAY IN THE SWASHPLATE ASSY. REMOVED SWASHPLATE AND RETURNED TO VENDOR WHERE PREVIOUSLY REPAIRED UNIT. THERE A SHIMMING WASHER WAS DISCOVERED MISSING.SDR QMLA2011032911038Nut · backed outSUPPLEMENTAL INFORMATION: THE MECHANIC WAS COMPLYING WITH QAN 12-09 CONCERNING THE INTRODUCTION OF TECHNICAL FAX 09-006 REGARDING THE EC-135 ROTOR MAST NUT TORQUE CHECK. THE MECHANIC FOUND THAT THE MAST NUT BACKED OFF BY HAND WHEN INITIATING THE TORQUE CHECKSDR QMLA20110329110Nut · backed outTHE MECHANIC WAS COMPLYING WITH QAN 12-09 CONCERNING THE INTRODUCTION OF TECHNICAL FAX 09-006 REGARDING THE EC-135 ROTOR MAST NUT TORQUE CHECK. THE MECHANIC FOUND THAT THE MAST NUT BACKED OFF BY HAND WHEN INITIATING THE TORQUE CHECK. HE THEN TORQUED THE MASTSDR RMXA110314194936Swashplate · dirtyPILOT EXPERIENCED A BINDING OR HARD POINT PREVENTING CYCLIC TRAVEL IN THE AFT LT QUADRANT OF TRAVEL DURING HOVER TAXI/FWD FLIGHT IN GROUND EFFECT. THE PILOT PERFORMED A RUN ON LANDING. THE PILOT SELECTED IDLE AND PERFORMED A CONTROL FREEDOM CHECK WITH CYCLICSDR R29R20110228001Drive Link · misrepairedBEARING IMPROPERLY STAKED IN DRIVE LINK ASSEMBLY. MAXIMUM GAP BETWEEN BEARING RACE AND LINK LUG IS .005". GAP MEASURED .015" WHEN RECIEVED FROM ABLE ENGINEERING & COMPONENT SERVICES IN PHEONIX, AZ. THIS IS THE SECOND DRIVE LINK FROM ABLE THAT HAS BEEN IMPROPERSDR CA110225003Bearing · damaged(CAN) TRANSMISSION CHIP LIGHT EXPERIENCED IN FLIGHT, METAL FOUND ON TRANSMISION CHIP PLUGS. MAST ASSY REMOVED FOR INSPECTATION. MAST BEARING FOUND TO HAVE 1 UNSERVICEABLE BALL BEARING. NEW BEARING INSTALLED.SDR QMLA2010121010080Bearing Race · debondedMAST BEARING INNER RACE HAS BECOME DEBONDED FROM THE MAIN ROTOR SHAFT. MAIN ROTOR SHAFT WAS REMOVED AND SENT FOR REPAIR. INSTALLED SERVICEABLE SHAFT TO RETURN ACFT TO SERVICE. DO NOT KNOW WHAT HAS CAUSED THE INNER RACE OF THE MAST BEARING TO DE-BOND AND SPISDR CA101220010Nut · seized(CAN) UNABLE TO RELEASE THE NUT THAT RETAINED THE BEARING HOUSING TO THE MAST POLE, EXCESSIVE FORCE APPLIED, 2000 FT/LBS.SDR CA101220009Nut · seized(CAN) UNABLE TO RELEASE THE NUT THAT RETAIN THE BEARING HOUSING ON THE MAST POLE AFTER EXCESSIVE FORCE WAS APPLIED, 2000 FT/LBS. A PREVIOUS INCIDENT WAS HANDLE BY MFG ON SN 52351 AND BOTH ASSY WERE RETURNED TO LAB FOR INVESTIGATION.SDR CA101209002Swashplate · damaged(CAN) DRY AND GRITTY SOUND HEARD FROM SWASHPLATE ASSEMBLY DURING MAIN ROTOR COAST DOWN. SWASHPLATE ASSEMBLY REPLACED.SDR QMLA2010111110075Bearing Race · debondedMAST BEARING INNER RACE HAS BECOME DEBONDED FROM THE MAIN ROTOR SHAFT.SDR QMLA2010110810074Sliding Sleeve · debondedUPON AIRWORTHINESS INSPECTION IN THE MORNING, THE MECHANIC FOUND THAT THE MAIN ROTOR SWASHPLATE SLIDING SLEEVE TEFLON BUSHING HAD TEFLON LINER DEBONDED FROM BUSHING AND WAS WORKING ITS WAY OUT OF THE LOWER PORTION OF THE SLIDING SLEEVE ASSEMBLY AND THUS AFFECT
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