JASC 6320

Service difficulty reports · 1,930

Reports filed under 6320 · Main Rotor Gearbox, 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 = '6320'
  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 QMLA2022111120074Transmission · warning lightPILOT GOT A TRANSMISSION CHIP WARNING LIGHT. HE DID A PRECAUTIONARY LANDING OUTSIDE OF SALOME AZ , TRANSMISSION OIL AND FILTER REPLACED ALONG WITH A 20-MINUTE GROUND RUN AT 100%. CHECKED GOOD. (SERVICEABILITY CHECK WITH REFERENCE TO BH 407 MM DMC-407-A-63-00-0Nov 10, 2022 · N911CN · Bell 407SDR QMLA2022110920073Gearbox · making metalWHILE IN THE DECELERATION PHASE FOR LANDING, THE "XMSN CHIP" AND MASTER CAUTION LIGHTS ILLUMINATED. ALL OTHER INDICATIONS - TRANSMISSION PRESSURE, TEMP. WERE NORMAL. NO ABNORMAL NOISE OR VIBRATIONS NOTED. LANDING AND SHUTDOWN WERE NORMAL. INSPECTED CHIP DETENov 8, 2022 · N434AM · Bell 407SDR 2022FA0000625None · noneLEFT XMSN CD INOP CAUTION MESSAGE ILLUMINATED.Oct 18, 2022 · N429CF · Bell 429SDR M3XA2022101300617Transmission · making metalPILOT PERFORMED A PRECAUTIONARY LANDING SAFELY WITH A PATIENT ON BOARD FOR A MAIN TRANSMISSION CHIP INDICATION. PATIENT TRANSFERRED BY GROUND. MECHANIC INSPECTED MAIN TRANSMISSION CHIP DETECTORS AND FOUND SMALL CHIPS. MECHANIC FLUSHED THE TRANSMISSION AND ROct 13, 2022 · N408UT · Bell 407SDR QR9R20220622001Transmitter · making metalTRANSMISSION CHIP LIGHT ILLUMINATED DURING FLIGHT. REMOVED AND REPLACED MAIN ROTOR TRANSMISSION ASSEMBLY DUE TO CHIPS FOUND ON CHIP DETECTORS (CATEGORY "D").Jun 22, 2022 · Bolkms BK117C2SDR M3XA20211101005Transmission · nonePILOT REPORTED IN CRUISE FLIGHT A TRANSMISSION CHIP LIGHT ILLUMINATED WITH A PATIENT ON BOARD. PILOT PERFORMED A PRECAUTIONARY LANDING WITHOUT INCIDENT. PATIENT WAS TRANSPORTED BY GROUND. MECHANIC INSPECTED TRANSMISSION CHIP DETECTORS AND FOUND A HAIR LIKE Nov 1, 2021 · N655RA · Bell 407SDR NKVA2025011500013Swashplate · crackedA TECHNICIAN REPORTED THAT DURING HIS DAILY INSPECTION HE FELT SOME "LOOSENESS" IN THE SWASHPLATE THAT HE HAD NOT NOTICE ON PRIOR DAILY INSPECTIONS. HE INVESTIGATED FURTHER AND FOUND THAT THE SWASHPLATE INNER RING WAS CRACKED AT THE GIMBAL ATTACHMENT LUG. THE Oct 13, 2021 · N205PT · Bell 205A1SDR IAVA91WH91921Seal · misalignedAFTER DEPARTING KPTN ABOUT 15 MINUTES OUT TRANSMISSION LOW PRESSURE LIGHT ILLUMINATED AND TRANSMISSION OIL PRESSURE WAS READING LOW AND ERRATIC. TRANSMISSION OIL TEMPERATURE WAS READING HIGH. PILOT LANDED IN A FIELD. UPON SHUTTING DOWN THERE WAS OIL ON THE SIDSep 19, 2021 · N91WH · Bell 407SDR QR9R20210827003Transmission · corrodedA MAINTENANCE INSPECTION OF THE M/R TRANSMISSION ASSY REVEALED CORROSION DUE TO WATER INTRUSION AND POOR VENTILATION. TRANSMISSION ASSY REPLACED; LIMITED TEST FLIGHT COMPLETED IAW 05-60-00, 6-1.Aug 27, 2021 · Bolkms BK117C2SDR QR9R20210827001Transmission · contaminatedDURING MAIN TRANSMISSION OIL CHANGE, MAINTENANCE DETECTED OIL WAS CONTAMINATED. FURTHER EVALUATION REVEALED INTERNAL CORROSION DUE TO WATER INTRUSION.Aug 27, 2021 · Bolkms BK117C2SDR QR9R20210826002Transmission · contaminatedMAIN TRANSMISSION DUE REPLACEMENT PER AIRBUS AHD FOR CONTAMINATION FROM WATER INTRUSION.Aug 26, 2021 · Bolkms BK117C2SDR QR9R20210826001Transmission · corrodedA MAINTENANCE INSPECTION OF THE M/R TRANSMISSION ASSY REVEALED INTERNAL CORROSION FROM WATER INTRUSION.Aug 26, 2021 · Bolkms BK117C2SDR QR9R20210819001Gear · corrodedDURING WATER INTRUSION INSPECTION, MAINTENANCE DETECTED SEVERE INTERNAL CORROSION ON TRANSMISSION GEARS DUE TO LACK OF VENTILATION.Aug 19, 2021 · Bolkms BK117C2SDR AC2A2021081813901Chip Detector · damagedMGB L/H SUMP CHIP DETECTOR RETAINING GROOVES WORN BEYOND ACCEPTABLE PUBLISHED MANUFACTURE LIMITS AS RECEIVED FROM OVERHAUL CONDITION.Aug 9, 2021 · N639MM · Agusta AW139SDR 2A6D202107025003Gearbox · corrodedMAIN GEAR BOX UPPER SURFACE WHERE IT MATES WITH THE RING GEAR HAS MINOR PITTING CORROSION MEASURING APPROXIMATELY .002” - .003” IN DEPTH.Jul 2, 2021 · N4613 · Snias AS350B3SDR 2021FA0000190Pinion Gear · flakingAIRCRAFT OWNER EXPERIENCED THREE TRANSMISSION CHIP LIGHT WARNING INDICATIONS. THE TWO CHIP DETECTORS WERE PULLED AND METAL SLIVERS WERE FOUND ON THE LOWER CHIP DETECTOR. THE PROCEDURES LISTED IN THE BELL 206L-SERIES MAINTENANCE MANUAL PARAGRAPH 66-14. SERVICEAJun 30, 2021 · N275GB · Bell 206L1SDR AC2A2021061313902Bearing · unserviceableMGB OIL COOLER FAN DRIVE SEAL LEAKING 463.2 HOURS AFTER OVERHAUL OF MGB CAUSING OIL TO CONTAMINATE OIL COOLER FAN BEARINGS WHICH ARE GREASE BEARINGS. FAN WAS REPLACED AS PRECAUTIONARY MEASURE DUE TO UNKNOWN CONDITION OF FAN BEARINGS.Jun 12, 2021 · N639GG · Agusta AW139SDR AC2A2021061313901Shaft Seal · leakingMGB OIL COOLER FAN DRIVE SEAL LEAKING 463.2 HOURS AFTER OVERHAUL CAUSING OIL TO CONTAMINATE OIL COOLER FAN BEARINGS WHICH ARE GREASE BEARINGS. SEAL WAS REPLACED AND FAN WAS REPLACED AS PRECAUTIONARY MEASURE DUE TO UNKNOWN CONDITION OF FAN BEARINGS.Jun 12, 2021 · N639GG · Agusta AW139SDR 9EKA20210602Nut · looseDURING ROUTINE MAINTENANCE IT WAS DISCOVERED THAT FRETTING WAS OCCURRING BETWEEN THE RING GEAR CASE AND THE UPPER CASE OF MAIN GEAR BOX. C/W TORQUE CHECK OF STUDS AND FOUND NUTS HAVE LOST TORQUE.May 29, 2021 · N823H · Bell 214STSDR YV3R2021031300449Fanwheel · defectiveCUSTOMER REPORTED FANWHEEL ASSEMBLY P/N: B174-1 COOLING FAN ATTACHMENT HARDWARE LOOSE.Mar 6, 2021 · Robsin R22BETAIISDR QMLA2021021820008O-Ring · out of positionDURING MGB OIL FILTER CHANGE, FOUND O-RING IN WRONG GROOVE ON OIL CLOGGING INDICATOR FOR THE LOWER END OF FILTER. THERE ARE TWO GROOVES BUT ONE IS JUST PART OF THE DESIGN OF THE HOUSING AND IF O-RING IS IN THIS WRONG GROOVE, UNFILTERED OIL CAN BYPASS THE FILTFeb 17, 2021 · N404AM · Bell 407SDR QMLA2021021820007Indicator · inoperativePILOT NOTED NO TRANSMISSION OIL PRESSURE INDICATION ON THE TRANSMISSION OIL PRESSURE GAUGE. THE CAWS PANEL TRANSMISSION WARNING LIGHT WAS NOT ILLUMINATED INDICATING THAT THERE WAS INDEED TRANSMISSION OIL PRESSURE. DURING TROUBLESHOOTING TRANSMISSION PRESSUREFeb 15, 2021 · N407VV · Bell 407SDR QMLA2021021620006Switch · dirtyACFT MADE A PRECAUTIONARY LANDING IN A FIELD DUE TO MRGB OIL PRESSURE WARING LIGHT. PULLED AND CLEANED SWITCH. NO DEFECTS NOTED. ACFT WAS RUN UP AND OPS CHECK WAS NORMAL.Feb 15, 2021 · N336AM · Urocop EC130B4SDR M3XA20210121001Gearbox · making metalPILOT REPORTED MGB CHIP FOR 1 SECOND DURING STRAIGHT AND LEVEL FLIGHT AT 3500 FT MSL, 88% Q 685 MGT. PRECAUTIONARY LANDING INTO TLH. PATIENT WHO WAS ON BOARD WAS PICKED UP BY COMPANY AIRCRAFT AND TRANSPORT WAS COMPLETED TO GAINESVILLE, FL. MECHANIC FOUND ONJan 19, 2021 · N762MT · Bell 407SDR YTRA2020121801Gearbox · making metalWHILE RETURNING TO AN ONSHORE BASE LOCATION THE CAUTION PANEL INDICATED A MAIN GEARBOX CHIP LIGHT. THE PILOT PERFORMED A PRECAUTIONARY LANDING ONSHORE AT A SUITABLE LOCATION PRIOR TO ARRIVING AT THE INTENDED BASE.Dec 18, 2020 · N663RL · Bell 407SDR YV3R2021010500411Seal · leakingCUSTOMER REPORTED MAIN ROTOR GEARBOX OUTPUT SEAL P/N: C966-3 WAS LEAKING.Dec 17, 2020 · N273S · Robsin R44RAVENIISDR YV3R2021010500410O-Ring · leakingCUSTOMER REPORTED MAIN ROTOR GEARBOX PINION OUTPUT COVER O-RING P/N: A215-156 WAS LEAKING.Dec 17, 2020 · N273S · Robsin R44RAVENIISDR YV3R2021010500409O-Ring · leakingCUSTOMER REPORTED MAIN ROTOR GEARBOX PINION OUTPUT SPACER O-RING P/N: A215-029 WAS LEAKING.Dec 17, 2020 · N273S · Robsin R44RAVENIISDR QMLA2020121420066Chip Detector · fodMGB CHIP LIGHT ILLUMINATED AFTER DEPARTURE FROM BASE WITH PAT ON BOARD. MAINTENANCE FOUND FOUR SMALL METALLIC PARTICALS (.2MM OR LESS IN SIZE), DETERMINED TO BE CATEGORY F (SWARF) MATERIAL, NOTE TSO IS 15 HOURS AT TIME OF EVENT. PARTICALS WERE RECOVERED AND Dec 13, 2020 · N808LF · Snias AS350B3SDR QMLA2020111620062Transmission · usedWHILE ENROUTE TO THE HOSPITAL FROM A SCENE CALL, THE XMSN CHIP LIGHT ILLUMINATED. IMMEDIATE PRECAUTIONARY LANDING WAS CONDUCTED WITHOUT INCIDENT. MAINTINENCE FOUND SMALL METALLIC PARTICLES ON THE LOWER CHIP DETECTOR. GEARBOX OIL AND FILTER WERE DRAINED AND Nov 13, 2020 · N407VV · Bell 407SDR YV3R2020111000382Fanwheel · defectiveCUSTOMER REPORTED FANWHEEL ASSEMBLY P/N: B174-1 HAD SPIDER CRACK IN HUB ALONG WITH LOOSE HARDWARE.Nov 5, 2020 · Robsin R22BETAIISDR YV3R2020091600345Fanwheel · defectiveCUSTOMER REPORTED FANWHEEL ASSEMBLY P/N: B174-1 WAS CRACKED. Sep 11, 2020 · Robsin R22BETAIISDR YV3R2020070700297Fanwheel · crackedCUSTOMER REPORTED FANWHEEL ASSEMBLY P/N: B174-1 COOLING VAIN WELD SHOWED SIGNS OF A CRACK.Jun 29, 2020 · Robsin R22BETAIISDR LJEA2020061600001Gearbox · crackedMAIN GEARBOX CASE CRACKED IN WEBBING ABOVE INPUT QUILL. FERRY PERMIT REQUESTED TO RELOCATE AIRCRAFT TO A LOCATION FOR MAINTENANCE.Jun 11, 2020 · N205RH · Bell 205A1SDR R9EA20200811001Gearbox · failedDURING FLIGHT, AIRCREW NOTICED LOW OIL PRESSURE TO THE MAIN GEAR BOX, NO LIGHT OR OTHER INDICATIONS NOTED. AIRCRAFT RETURNED TO BASE WITH NO OTHER DISCREPANCIES. PERFORMED INSPECTION OF THE MAIN GEAR BOX SUMP SCREEN AND FOUND THE SCREEN COVERED WITH THE INTERJun 7, 2020 · N138AR · Skrsky S61NSDR 2020FA0000280Gearbox · making metalDURING THE ANNUAL INSPECTION OF THE AIRCRAFT, IT HAS BEEN FOUND MAGNETIC PARTICLES ON THE MGB DETECTOR CHIP. THE QUANTITY OF MAGNETIC PARTICLES IS HIGH, BUT THE LIGHT OF THE DETECTOR WAS NOT ON, ALTHOUGH IT HAS BEEN CHECKED THAT IT WORKS. ACCORDING TO THE SIJun 4, 2020 · Robsin R44SDR HDNA202005260249Warning Light · illuminatedMAIN ROTOR INDICATING SHIP LIGHT ILLUMINATED IN FLIGHT DUE TO CAT A MATERIAL ON INDICATING PLUG.May 26, 2020 · N135GF · Urocop EC135P2SDR QMLA2020052720021Gearbox · making metalON TAKEOFF FROM THE AIRPORT THE PILOT HAD THE MAIN ROTOR GEARBOX CHIP INDICATION ILLUMINATE. THE PILOT LANDED BACK AT THE HANGAR, LESS THAN ONE MINUTE OF FLIGHT PUT ON THE AIRCRAFT. MECHANIC REMOVED CHIP DETECTOR AND FOUND APPROXIMATELY 20 METAL CHIPS ON DETMay 21, 2020 · N404LL · Bell 407SDR K2DA53101Transmission · making metalSHORTLY AFTER TAKEOFF THE MAIN ROTOR TRANSMISSION CHIP LIGHT ILLUMINATED. THE AIRCRAFT TURNED AROUND AND LANDED BACK AT THE AIRPORT & MX WAS DISPATCHED TO THE AIRCRAFT. UPON INSPECTION OF THE MAIN ROTOR TRANSMISSION CHIP DETECTORS, MAINTENANCE PERSONNEL FOUNMar 11, 2020 · N808PH · Bell 407SDR QMLA2020021062008Gearbox · making metalMGB CHIP INDICATION AT START UP. PERFORMED INSPECION OF MAG PICK UP AND OIL FILTER AND FOUND SIGNIFICNT METAL. SENT CHIPS AND OIL FOR ANALYSIS. ZF TECHNICAL STAFF FOUND METAL TO BE FROM LOWER MAST BEARING SPINNING IN BORE. THEY RECOMENED MGB BE SENT IN FOR REPFeb 6, 2020 · N200HN · Urocop EC135T2SDR YV3R2020021120240Fanwheel · defectiveCUSTOMER REPORTED FANWHEEL ASSEMBLY P/N: B174-1 INNER HUB BOLTS ARE LOOSE AND HOLES ELONGATED.Feb 5, 2020 · N767ER · Robsin R22BETAIISDR 7AJA202001160001Warning Light · illuminatedPILOT REPORTED SHORTLY AFTER DEPARTING YUMA MEDICAL CENTER THE "MGB CHIP" LIGHT ILLUMINATED. PILOT LANDED AT KNYL.Jan 16, 2020 · N864MB · Snias AS350B3SDR 8LFA2020012714001Transmission · making metalMAIN GEAR BOX TRANSMISSION LIGHT IN FLIGHT. GEAR BOX REQUIRED REPLACEMENT DUE TO CHIP MATERIAL. THIS IS THE THIRD CHIP EVENT ON THE MGB, TWO PREVIOUS INSTANCES WERE ON 11/14/2019 ON MGB SN V3 (TT 2483.1) AND ON 10/18/2019 MGB SN V75 (TT:3182.8).Jan 14, 2020 · N636LF · Agusta AW119MKIISDR YV3R2019012200225Fanwheel · faultyCUSTOMER REPORTED FANWHEEL ASSEMBLY P/N: B174-1 HAD A CRACK.Jan 9, 2020 · Robsin R22BETAIISDR QMLA2020011320001Transmission · making metalJUST AFTER TAKE OFF FROM THE HOSPITAL HELIPAD, DURING THE INITIAL CLIMB TO CRUISE ALTITUDE, THE XSMN CHIP CAUTION LIGHT ILLUMINATED. ALTITUDE WAS APPROXIMATELY 700 FEET, AIRSPEED OF 90 KTS WITH CLIMB-OUT POWER APPLIED. FORTUNATELY, WE WERE JUST PASSING THE APPJan 4, 2020 · N357AM · Bell 407SDR 2020FA0000122Mount · damagedPILOT REPORTED 2 PER VIBRATION. INSPECTION FOUND RUBBER SURROUNDING STEEL BUSHING ON ONE OF FOUR MAIN GEAR BOX MOUNTS HAD FAILED ALLOWING EXCESS MOVEMENT OF MAIN ROTOR DRIVE SYSTEM.Dec 7, 2019 · N3019S · Robsin R22SDR 2020F00078Gearbox · crackedCRACK SUSPECTED IN MAIN GEARBOX CASE ABOVE INPUT QUILL PURSUANT TO GUIDANCE FROM BELL HELICOPTERS IN BELL 205 CR&O FIG 66-37. CRACK APPEARS TO EXTEND THROUGH WEB IN AREA IDENTIFIED. CONTACTED BELL & RECEIVED LETTER OF NO TECHNICAL OBJECTION FOR A ONE TIME FERRNov 20, 2019 · N304HA · Bell 205A1SDR 9EKA2019091200000Chip Detector · contaminatedDURING START UP THE PILOTS RECEIVED A CHIP LIGHT ON THE GAUGES CORRESPONDING WITH A CHIP LIGHT IN THE MGB SYSTEM. THE AIRCRAFT WAS SHUT DOWN AND THE MAG PLUG FOR THE EPICYCLIC MODULE WAS PULLED FOR INSPECTION AND MULTIPLE CHIPS / FLAKES WERE FOUND. THE REMAINISep 12, 2019 · N252EV · Urocop EC225LPSDR YV3R2019083020174Fanwheel · faultyCUSTOMER REPORTED FANWHEEL ASSEMBLY P/N: B174-1 HUB ATTACHMENT HARDWARE WAS NOT TORQUED.Aug 28, 2019 · Robsin R22BETAIISDR YV3R2019082820166Swashplate · wornCUSTOMER REPORTED ARM SCISSOR P/N: A204-1 HAD EXCESSIVE WEAR ON CORD ARM AND BOLT.Aug 20, 2019 · Robsin R22BETAII
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