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.
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
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 AC2R20101214001Gearbox · making metal(AC2R) APPROX 2 MILES FROM LANDING, THE MAIN GEARBOX CHIP LIGHT ILLUMINATED. PERFORMED THE MAIN GEARBOX CAUTION LIGHT ILLUMINATED EMERGENCY PROCEDURE AND LANDED. MX FOUND 1 FLAKE ON PLUG, PERFORMED A SERVICEABILITY CHECK AND RETURNED ACFT TO SERVICE. RECHECKSDR YTRA10341Spindle · crackedDURING ROUTINE O/H OF TRANSMISISON ASSY PN 206-040-002-115, SN A189, FOUND SPINDLE CRACKED.SDR AC2A685K001Warning Light · illuminatedHAD JUST LEFT, ENROUTE, FOR AN ACFT SWAP WHEN A TRANSMISSION CHIP LT LIGHT ILLUMINATED. FOLLOWED EMERGENCY PROCEDURES AND LANDED AS SOON AS POSSIBLE AT SHIPPING PAD.SDR CA101109007Module · cracked(CAN) S92 MAIN MODULE 92351-15100-042 S/N: A173-00009 ARRIVED IN THE DELTA COMPONENT SHOP DUE TO IT BEING REMOVED FROM AIRCRAFT 920060 AT TSN: 4428:23. IT WAS REMOVED FROM THE AIRCRAFT BECAUSE A CRACK FOUND ON THE MAIN HOUSING 92351-15110-046 S/N: A056-00305 RSDR CA101124001Bearing · mismanufactured(CAN) INPUT MODULE S/N: A171-00062 WAS RECEIVED INTO LOCAL SHOP TO CARRY OUT MODIFICATION IAW CSN 92-068. DURING A GENERAL FUNCTION CHECK OF THE UNIT, FOUND THAT THE IFWU WHEN ROTATED WAS ROUGH AND JUMPY WHILE FREEWHEELING, DISASSEMBLY AND FURTHER INSPECTION WSDR CA101109017Bearing · brinelled(CAN) INPUT MODULE S/N: A171-00062 WAS RECEIVED INTO SHOP TO CARRY OUT MODIFICATION IAW CSN 92-068. DURING A GENERAL FUNCTION CHECK OF THE UNIT, FOUND THAT THE IFWU WHEN ROTATED WAS ROUGH AND JUMPY WHILE FREEWHEELING, DISASSEMBLY AND FURTHER INSPECTION WAS RESDR QMLA2010101310067Transmission · misalignedMAIN TRANSMISSION CHIP LIGHT. SLIGHT ABRASION ON CHIP DETECTOR. CLEANED CHIP DETECTOR INSTALLED CLEAN FILTER ALL IAW EC135-63A-012 REV 4 STAGE A PROCEDURES. ACFT RETURNED TO SERVICE.SDR CA100930005Bearing · mismanufacturedBEARING, PN SB2559-101, SN 0799, WO 5402643ACMR F1002402, PO 2120265, NEW BEARING ROLLERS AND ROLLER CAGE DO NOT ROTATE WHEN INSTALLED ON BEARING SUPPORT. FINAL INSP PROCEDURE BY OEM TO BE REVIEWED AND INCREASE INSP CRITERIA. SQID SENT TO QA FOR INVESTIGATISDR QMLA2010091810061Chip Detector · contaminatedTHE TRANSMISSION CHIP LIGHT ILLUMINATED IN CRUISE FLIGHT ON RETURN FLIGHT TO BASE. THE MECHANIC INSPECTED THE CHIP PLUGS AND FILTERS, AND FOUND A SMALL PARTICLE ON THE PLUG, AND FUZZ ON BOTH THE FILTER HOUSING AND THE FILTERS. THE MECHANIC PROCEEDED TO DRAINSDR CA100927010Bearing · spalledTRANSMISSION CHIP LIGHT CAUSED BY STEADY BEARING ON INPUT PINION.SDR 2010FA0001010Seal · leakingFOUND SEAL LEAKING. THIS IS THE LATEST SEAL, HAVING PROBLEMS WITH. THESE SEALS ARE VERY DIFFICULT TO INSTALL DUE TO NEW MATERIALS AND NO CHANGES IN PROCEDURE OR TOOLING HAS COME FROM THE MFG. THE PROCESS OF INSTALLING THE SEAL USUALLY DESTROYS THE SEALING LSDR CA100825006Housing · damaged(CAN) DURING MEDEVAC MISSION MASTER CAUTION LIGHT AND XMSN PRESSURE LIGHT ILLUMINATED. THE PRESSURE GAUGE WAS DROPPING RAPIDLY. PRESSURE THEN DROPPED TO ZERO. FLIGHT CREW MADE A PAN PAN CALL TO NEAREST ATC AND EXECUTED EMERGENCY LANDING WITHOUT FURTHER INCIDENSDR CA100820007Module · cracked(CAN) DURING A POST FLIGHT MX CHECK, A CRACK IN THE RT MGB ATTACHMENT FOOT WAS DISCOVERED. THE CRACK IS A RADIAL CRACK THAT EMANATES FROM THE AFT MOUNTING BOLT HOLE. THE MAIN MODULE IS BEING REPLACED.SDR CA100811003Pressure Switch · intermittent(CAN) FLASHES OF THE MGB PRESSURE LIGHT IN FLIGHT. AIRCRAFT LANDED SAFELY. AME SENT ON SITE, NO VISIBLE DAMAGE OR LEAK. MGB PRESSURE SWITCH SUSPECTED TO BE THE CAUSE AND REPLACED. MGB FILTER REPLACED. RUN-UP, LEAK CHECK AND TEST FLIGHT C/O, WITHOUT ANY ADSDR CA100808001Nut · loose(CAN) MAIN ROTOR VIBRATION DEVELOPED DURING SHORT FINAL TO BASE. HOIST USED TO LIFT MAIN ROTOR MAST AND EXCESSIVE MAST BEARING PLAY NOTICED. SPECIAL TOOLS ON ORDER FROM EUROCOPTER TO REMOVE AND INSPECT MAST SPACER TUBE. DISSASSEMBLY AND INSPECTION TO CONTINUE SDR CA100820005Gearbox · making metal(CAN) DURING A DRYING RUN FOR A POST FLIGHT WATER RINSE ON THE AIRCRAFT, A MAIN MODULE CHIP LIGHT ILLUMINATED. AN INSPECTION OF THE MAGNETIC CHIP PLUG WAS CONDUCTED AND FIVE FLAT SKINNY METAL CHIPS WERE FOUND ON THE CHIP PLUG OF THE MAIN MODULE. THE CHIPS WESDR CA100730009Drain Valve · leakingDEFECT- OIL NOTICED ON TAILBOOM AND VERT FIN AFTER SHUTDOWN. NO SECONDARY INDICATIONS NOTED (IE CAUTION, TEMP, OR PRESSURE). MGB SERVICED WITH 3 LITRES OF BP 2380 OIL AND OIL SYS DRAIN LINES DISCONNECTED FOR TROUBLESHOOTING AS NO OIL WAS FOUND ON DECK PANS.SDR 2010F00179Transmission · warning lightAFTER INITIAL CLIMB-OUT AND LEVEL OFF AT 1500 FT AGL THE ACFT DISPLAYED A "MASTER CAUTION", LIGHT WITH ASSOCIATED "XMSN CHIPS". ALL OTHER TRANSMISSION INDICATIONS WERE NORMAL. THE LIGHT WAS ON SOLID AND THE "CHIP ZAPPER" WAS APPLIED. THE CHIP LIGHT EXTINGUISHESDR P4YA2010070600001Oil Cooler · leaking4 MILES OUT, MGB WARNING LIGHT ILLUMINATED. NOTICED PRESSURE DROP TO .5 BAR. UPON FINAL, NOTICED TEMP TO BE 115°C. ALL SEQUENCE OF EVENTS WITHING 2:20 MIN. UPON INSP ON GROUND, FOUND OIL COOLER ASSY LEAKING AND FURTHER NOTICED PLUG BLOW OUT OF BACK OF OIL COOSDR CA100706008Duplex Bearing · failed(CAN) MAIN TRANSMISSION CHIP LIGHT ILLUMINATED DURING FERRY FLIGHT EN ROUTE, EVENT OCCURRED APPROX 2 HRS AFTER TAKEOFF. MISSION ABORTED AND AIRCRAFT LANDED IN A FIELD . UPON DISSASSEMBLY OF THE TRANSMISSION, DUPLEX BEARING 407-340-032-101 WAS FOUND INCORRECTLSDR E30A6/13/10Transmission · making metalAFTER TAKEOFF ON CLIMB OUT THE TRANSMISSION CHIP DETECTOR ILLUMINATED. ACFT LANDED AT PAD AND WAS SHUTDOWN WITHOUT INCIDENT. CHIP DETECTORS WERE REMOVED AND A SMALL CHIP WAS DISCOVERED ON THE CHIP DETECTOR IN THE TRANSMISSION RESERVOIR. CHIP WAS CLEARED ANDSDR CA100614003Bypass Valve · defectiveACFT WAS IN CRUISE FLIGHT, HEADING OFFSHORE WITH PASSENGERS. CREW WERE ALERTED TO A MGB OIL BY-PASS INDICATION ON THE MULTI FUNCTION DISPLAY. AS THE SYS IS NOT AUTOMATIC, THE SWITCH WAS CHECKED AND CONFIRMED TO BE IN THE "NORM" AND NOT "TEST" POSITION. ACFT SDR 2010FA0000525Bevel Gear · crackedMAIN ROTOR TRANSMISSION WAS MAKING VERY SMALL AMOUNTS OF METAL, BUT ENOUGH TO KEEP SETTING OFF THE CHIP DETECTOR. STRAINED OIL AND FILTER LOOKED NORMAL. TEAR DOWN INSPECTION, FOUND BEVEL GEAR COMPLETELY CRACKED THROUGH. THERE WHERE NO OVER TORQUE INDICATIONS. SDR QMLA2010052410019Nut · undertorquedMAIN ROTOR MAST NUT TORQUE FAILED TORQUE CHECK ON 400HR INSP. MAST NUT BACKED OFF BY HAND. IT TOOK 8 CYCLES FOR MAST NUT TO PASS TORQUE CHECK.SDR P3T2010F00000Spindle · corrodedTRANSMISSION SPINDLE MOUNT, WAS FOUND TO HAVE EXCESSIVE PITTING CORROSION DURING A 1200 HR TRANSMISSION TOP CASE INSPECTION. R & R WITH -0-TT, NEW SPINDLE. SENT OLD CORE TO VENDOR BUT UPON NDT INSP, VENDOR REJECTED CORE DUE TO POSSIBLE STRESS CRACKS AND WASSDR CA100430007Quill · cracked(CAN) TRANSMISSION TAIL ROTOR DRIVE QUILL CORK FOUND LEAKING OIL DURING 600 HOUR INSPECTION AND REPACK OF OUTPUT FLEX COUPLING. DRIVE QUILL REMOVED AND BEARING RETAINER FOUND CRACKED COMPLETELY ACROSS.SDR CA100415005Bearing · failedON REMOVAL OF THE BEVEL REDUCTION GEAR, 2 LARGE CHIPS WHERE FOUND ON THE UPPER INSIDE SURFACE. INSPECTED THE EPICYCLIC AND FOUND ONE OF THE GEARS BEARING HAD FAILED. THIS WAS A SUPRISE TO US AS WE DID NOT HAVE ANY INDICATION THE MGB WAS MAKING METAL. NO CHISDR 2010F00057Gear · failedSPIRAL BEVEL COLLECTOR GEAR FAIL APART, (DRIVE TOOTH/GEAR BOKE AWAY/SEPARATED FROM THE BEVEL GEAR BODY) WITH IN THE MAIN ROTOR GEARBOX/TRANSMISSION.SDR ALGA030810N92TZMount · crackedDURING DAILY SERVICE CHECK/ AD COMPLIANCE MX LOCATED A CRACK ON THE RT MOUNT FOOT AT THE AFT BOLT HOLE.SDR 2010FA0000218Transmission · making metalCHECKED TRANSMISSION CHIP DETECTOR AFTER CHIP LIGHT ILLUMINATED ON APPROACH TO LANDING. SMALL PIECE OF METAL FOUND ON CHIP DETECTOR , CLEARED BY MX, 30 MIN GROUND RUN PROVED NO MORE METAL ON CHIP PLUG. MOVED ACFT TO NEW LOCATION, .1 FLIGHT TIME REINPECTED CHIPSDR 2010FA0000209Gearbox · making metalDURING A TOUR FLIGHT THAT DEPARTED AIRPORT, THE MGB CHIP LIGHT ILLUMINATD 3 MINUTES INTO THE FLIGHT. THE PILOT RETURNED TO DEPARTURE WITHOUT INCIDENT. THE MECHANIC INSPECTED THE CHIP PLUGS AND FOUND METAL ON LOWER PLUG. THE OIL WAS CHANGED AND THE CHIP PLUGSDR P4YA2010021800001Oil Cooler · destroyedAFTER 1 HOUR AND 40 MINUTES OF INSTRUMENT TRAINING A LOUD NOISE WAS HEARD FROM THE REAR OF THE ACFT AND A SLIGHT VIBRATION WAS FELT BY THE CREW. AFTER A COUPLE OF MINUTES, 1 OF THE MAIN GEAR BOX OIL COOLER FAN BELTS LIGHT ILLUMINATED. AN IMMEDIATE TURN TO THSDR HEEA127166Garlock Seal · unsecureLANDED ACFT ON PLATFORM AND PASSENGER NOTICED OIL LEAK. TRANSMISSION LOW PRESSURE CAUTION LIGHT ILLUMINATED DURING ROUTINE 2 MINUTE ENG COOL DOWN. PILOT IMMEDIATELY SHUTDOWN ENGINE. PILOT REPORTS OIL ON ENG DECK. TRANSMISSION LOST OIL PRESSURE DURING COOL SDR CA100108006Gearbox · making metal(CAN) MAIN GEARBOX CHIP DETECTOR WARNING TRIGGERED IN FLIGHT. THE ACFT RETURNED TO BASE. THE MAIN CHIP DETECTOR WAS REMOVED FROM THE MGB FOR INSP. A PIECE OF FERROUS MATERIAL WAS FOUND ATTACHED . CYLINDRICAL IN SHAPE. APPOX .800IN LONG X .200 IN DIAMETER. ASDR CA091214007Housing · flaking(CAN) FOLLOWING WASH OF ENTIRE UPPER HOUSING, WATER WASH OF OIL PASSAGES AND ADHESION TEST, IT WAS NOTED THAT THE PROTECTIVE COATING WAS FLAKING IN ONE AREA OF INTERNAL SURFACE EXPOSING MAGNESIUM SURFACE. RETURN TO VENDOR. DIRECTOR OF QUALITY FOR HSI CONTACTSDR HCM2009F00001Gearbox · making metalACFT DEPARTED AIRPORT ON A SIGHT SEEING FLIGHT AT 11:54 AM, SHORTLY BEFORE RETURNING, AT APPROX 12:40 PM AT 1,000 FT AGL THE ENGINE "CHIP" LIGHT ILLUMINATED, THE PILOT REDUCED POWER AND WITHIN 4 TO 5 SECONDS ADDITIONAL CAUTION LIGHTS ILLUMINATED AND THE AURAL SDR CA091103002Mount · cracked(CAN) UPON PERFORMING THE 10 HR RECURRING INSP, A CRACK WAS DISCOVERED AT THE MAIN GEARBOX RT MOUNT FOOT. THERE ARE 2 BOLTS SECURING THIS FOOT, 1 FWD AND 1 DIRECTLY AFT APPROX3 INCHES APART. THE CRACK EXTENDS FROM THE AFT BOLT HEAD OTBD AND DOWN THE VERTICAL FSDR CA091102004Ring Gear · cracked(CAN) DURING DISASSEMBLY OF THE S61MGB , THE RING GEAR PN: S6135-2201-003 WAS FOUND TO BE CRACKED. ALONG WITH THE RING GEAR, ONE OF THE MOUNTING STUDS WAS BROKEN AND ONE OF THE MS21045-5 MOUNTING NUTS WAS CRACKED. ALSO 3 OF THE BRG SUPPORT MOUNTING STUD HOLE BSDR CA091106002Ring Gear · cracked(CAN) DURING DISASSEMBLY, THE RING GEAR PN: S6135-22017-003 WAS FOUND TO BE CRACKED. ALONG WITH THE RING GEAR, ONE OF THE MOUNTING STUDS WAS BROKEN AND ONE OF THE MS21045-5 MOUNTING NUTS WAS CRACKED. ALSO 3 OF THE BRG SUPPORT MOUNTING STUD HOLE BUSHINGS, IN THSDR CA091124002Transmission · making metal(CAN) PILOTS NOTED TRANSMISSION CHIP LIGHT IN FLIGHT, RETURNED TO BASE. AME INSPECTED CHIP DETECTOR. METAL FOUND ON CHIP DETECTORS. MAIN TRANSMISSION REMOVED FOR REPAIR (TC NR 20091124002)SDR CA091124001Gearbox · making metal(CAN) DURING TRAINING FLIGHT, PILOTS NOTED TRANSMISSION CHIP LIGHT, BURN-OFF ATTEMPTED PER FLM. NOT SUCCESSFUL, RETURNED TO BASE AME INSPECTED CHIP DETECTOR. FUZZ FOUND CLASS C CHAP 11 TABLE 11-2 MM. CLEANED AND GROUND RUN, NO FAULT FOUND. AIRCRAFT RETURNESDR CA091113006Housing · peeling(CAN) FAULTY SERMATEL COATING ON NEW UPPER HSG. FOLLOWING WASH AND INSP OF NEW UPPER HSG, IT WAS NOTED THAT THE PROTECTIVE COATING WAS FLAKING OFF IN 2 SPOTS ON INSIDE OF HSG EXPOSING MAGNESIUM CASTING. RETURN TO VENDOR FOR FULL WARRANTY. REQUEST FOR OEM FEEDSDR CA090930002Module · contaminated(CAN) NR 2 INPUT CHIP INDICATION TRIGGERED IN FLIGHT, AIRCRAFT RETURNED TO BASE. FOLLOW UP INSPECTION OF NR 2 INPUT MODULE CHIP DETECTOR WAS CARRIED OUT. TWO RIVETS HEADS WERE FOUND BRIDGING THE DETECTOR GAP. DURING REPLACEMENT OF THE INPUT MODULE TWO ADDITIONSDR AC2A2009090183074Unknown · malfunctionedSIX MINUTES OUT OF VENICE, LA, TRANSMISSIONSDR CA090902007Bearing · spalledENG CHIP LIGHT, FOUND PROBLEM WITH THE PWR TAKEOFF OUTPUT SHAFT BEARING, INNER AND OUTER RACE WORN.SDR CA100505007Transmission · failedDURING FLIGHT, PILOT HAD TRANSMISSION CHIP LIGHT AND RETURNED TO HANGAR TO LAND, ON SHUTDOWN UNUSUAL NOISE WAS HEARD COMING FROM THE TRANSMISSION, CHIP PLUGS AND INTERNAL OIL FILTER WERE REMOVED AND INSPECTED, LARGE CHIPS WERE NOTED ON THE CENTER AND LOWER CHISDR CA090812005Bearing Cage · out of limitsBEARING CONE PN: SB3316-101 RECEIVED NEW WAS CAGE SHAKE CHECKED AND FOUND TO BE BEYOND LIMITS FOR USED BEARINGS IAW SA4047-76-7-8, CHG.10-30 NOV 08. MANUAL LIMIT IS .016" AND AVERAGE READING WHEN CHECKED WAS .021". COMPANY SQID NR 09-06198 ISSUED.SDR CA090812003Gearbox · peelingFOLLOWING CLEANING AND AIR PRESSURE DRYING OF UPPER HSG THE TECH NOTICED THAT THE PROTECTIVE COATING STARTING TO PEEL AWAY AT 4 AREAS INTERNALLY AT TOP PORTION OF HSG. THIS WAS VIEWED BY HSI DURING THEIR AUDIT VISIT. COMPANY SQID REPORT NR IS 09-06199.SDR CA090728015Drive Shaft · leakingINPUT SEAL ON HELICOPTER MAIN TRANSMISSION LEAKED OIL WHICH WASHED MAIN DRIVESHAFT COUPLING GREASE THROUGH SHAFT AND INTO ENG COMPARTMENT. GREASE WAS DISCOVERED ON DAILY INSP BY PILOT AND HELICOPTER WAS GROUNDED FOR FURTHER INSP. THERE WAS NO INDICATION OF OSDR CA090703003Nut · loose(CAN) WHILE CARRYING OUT 600 HR INSP ON ACFT, WAS NOTED THAT THE MAIN ROTOR GEARBOX INPUT BEVEL NUT WAS LOOSE. THERE WAS SIGN OF FRETTING AND THE ADAPTER WAS LOOSE. THE NUT WAS REMOVED AND PINION INSPECTED NO DAMAGE. MFG WAS CONTACTED AND THE PINION WAS INS
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