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.

SDR 96ZZZX5511Lever Assy · wornDAILY INSPECTION FOUND BUSHINGS AND BEARINGS WORN BEYOND LIMITS. PARTS REQUIRING REPLACEMENT: 4 EACH 206-010-338-001 SPACERS, 4 EACH 206-010-337-001 BEARINGS, 2 EACH 206-010-338-003 BUSHINGS, 2 EACH NAS6605D64 BOLTS, 1 EACH 206-010-470-101 BEARING. SUBMITTEAug 15, 1996 · N175AL · Bell 206L4SDR 96ZZZX5508Lever Idler · wornDAILY INSPECTION FOUND BUSHINGS AND BEARINGS WORN BEYOND LIMITS. PARTS REQUIRING REPLACEMENT: 4 EACH 206-010-338-001 SPACERS, 4 EACH 206-010-337-001 BEARINGS, 2 EACH 206-010-338-003 BUSHINGS, 2 EACH NAS6605D64 BOLTS, 1 EACH 206-010-470-101 BEARING. SUBMITTEAug 15, 1996 · N1078N · Bell 206L1SDR 96ZZZX5507Link Assy · wornDAILY INSPECTION FOUND BUSHINGS AND BEARINGS WORN BEYOND LIMITS. PARTS REQUIRING REPLACEMENT: 4 EACH 206-010-338-001 SPACERS, 4 EACH 206-010-337-001 BEARINGS, 2 EACH 206-010-338-003 BUSHINGS, 2 EACH NAS6605D64 BOLTS, 1 EACH 206-010-470-101 BEARING. SUBMITTEAug 15, 1996 · N1078N · Bell 206L1SDR CA960826026Bearing · overheated(CAN) PILOT REPORTED STIFFNESS OF CYCLIC CONTROL. AFTER SHUTDOWN, CYCLIC WAS VERY DIFFICULT TO MOVE AND SWASHPLATE WAS HOT. CONTROLS DISCONNECTED AT SWASHPLATE AND BEARING ROUGHNESS NOTED. GREASE PURGED BUT BEARING STILL ROUGH.Aug 12, 1996 · Bell 206BSDR CA960814201Inner Ring · cracked(CAN) ON DAILY INSPECTION, CRACK FOUND IN L.H. TRUNNION MOUNTING EAR OF THE SWASHPLATE INNER RING.Aug 4, 1996 · Bell 204BSDR 96ZZZX5669Bellows · tornBELLOWS IS TORN AROUND CLAMP AND FOLD AREAS. REPLACED WITH NEW UNIT, CORRECTED PROBLEMJul 31, 1996 · N158BK · Bolkms BK117A3SDR 96ZZZX4274Duplex Bearing · failedSWASHPLATE REMOVED DUE TO BINDING AND ROUGHNESS. ON DISASSEMBLY, FOUND DUPLEX BEARING FLAKING AND CHIPPING. BEARING CAGE HAS SEPARATED AND CAUSED DAMAGE TO INNER RING OF SWASHPLATE. SUBMITTER STATED THIS IS THE THIRD BEARING IN LAST 12 MONTHS WITH LESS THANJul 30, 1996 · N2654 · Bell 206L1SDR 96ZZZX5682Bellows · tornBELLOWS IS TORN AROUND CLAMP AND FOLD AREAS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Jul 28, 1996 · N911BY · Bolkms BK117A4SDR 96ZZZX4858Duplex Bearing · failedSWASHPLATE REMOVED DUE TO BEARING ROUGHNESS. FOUND DUPLEX BEARING BAD. BEARING PARTS DAMAGE INNER RING. INNER RING REPLACED. SUBMITTER STATES THE THIRD BEARING FAILURE IN PAST 12 MONTHS WITH LESS THAN 1,000 HOURS TT.Jul 27, 1996 · N2654 · Bell 206L1SDR CA970311027Swashplate Assy · unbonded(CAN) UPPER SEAL CAME UNBONDED FROM OUTER CAP P/N 206-010-444-001 ALLOWING IT TO SPIN IN METAL TO METAL.Jul 16, 1996 · Bell 206BSDR 96ZZZX4873Link Assy · wornPLAY IN EXCESS OF .025 INCH AT TWO PLACES. SEE BELL MM L3, FIG 62.21. AT TEAR DOWN FOUND BEARING AND SPACERS WORN. TOTAL TIME LESS THAN 1,000 HOURS AND 1 YEAR SINCE REPLACED. REPLACED 5 EACH.Jul 13, 1996 · Bell 206L1SDR 96ZZZX5179Duplex Bearing · failedDUPLEX BEARING BREAKING DOWN WITH ONLY 465.9 HOURS.Jul 10, 1996 · N3181B · Bell 206BSDR HEEA967508Swashplate · bearing failedSWASHPLATE BEARING INNER RACE IS SPINNING.Jul 5, 1996 · N9214U · Doug MD900SDR 96ZZZX5843Bellows · tornBELLOWS IS TORN AROUND CLAMP AND FOLD AREAS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Jun 27, 1996 · N202LF · Bolkms BO105LSA3SDR 96ZZZX5680Bellows · tornBELLOWS IS TORN AROUND CLAMP AND FOLD AREAS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Jun 23, 1996 · N7060G · Bolkms BK117B1SDR 96ZZZX3848Drive Link · wornPLAY IN EXCESS OF .025 INCH AT TWO PLACES. SEE BELL MM L3, FIGURE 62.21. AT TEAR DOWN, FOUND BEARING AND SPACERS WORN. TOTAL TIMES LESS THAN 1,000 HOURS AND 1 YEAR SINCE REPLACED.Jun 20, 1996 · N2619 · Bell 206L3SDR 96ZZZX3847Drive Link · wornPLAY IN EXCESS OF .025 INCH AT TWO PLACES. SEE BELL MM L3, FIGURE 62.21. AT TEAR DOWN, FOUND BEARING AND SPACERS WORN. TOTAL TIMES LESS THAN 1,000 HOURS AND 1 YEAR SINCE REPLACED.Jun 20, 1996 · N40LP · Bell 206L1SDR 96ZZZX3846Drive Link · wornPLAY IN EXCESS OF .025 INCH AT TWO PLACES. SEE BELL MM L3, FIGURE 62.21. AT TEAR DOWN, FOUND BEARING AND SPACERS WORN. TOTAL TIMES LESS THAN 1,000 HOURS AND 1 YEAR SINCE REPLACED.Jun 20, 1996 · N3899C · Bell 206L1SDR 96ZZZX3845Drive Link · wornPLAY IN EXCESS OF .025 INCH AT TWO PLACES. SEE BELL MM L3, FIGURE 62.21. AT TEAR DOWN, FOUND BEARING AND SPACERS WORN. TOTAL TIMES LESS THAN 1,000 HOURS AND 1 YEAR SINCE REPLACED.Jun 20, 1996 · N2654 · Bell 206L1SDR 96ZZZX3844Drive Link · wornPLAY IN EXCESS OF .025 INCH AT TWO PLACES. SEE BELL MM L3, FIGURE 62.21. AT TEAR DOWN, FOUND BEARING AND SPACERS WORN. TOTAL TIMES, LESS THAN 1,000 HOURS AND 1 YEAR SINCE REPLACED.Jun 20, 1996 · N5007F · Bell 206L1SDR 96ZZZX3636Mast · misoverhauledMAST RECEIVED FROM BELL AS SERVICEABLE REPAIRED. FOLLOWING DISCREPANCIES FOUND ON RECEIVING INSPECTION: 1. THE WORD 'REWORKED' NEVER WAS ENGRAVED ON FLANGE 'E' AS STATED ON BHT-C. R AND O MANUAL, SECTION 63-00-00, PAGE 62, PARAGRAPH 1, FIGURE 63-17. 2. INJun 19, 1996 · Bell 412SDR ERAA96249Bearing · wornBEARINGS ARE WORN BEYOND LIMITS.Jun 18, 1996 · N412EH · Bell 412SDR 96ZZZX3406Shaft · failedINVESTIGATION OF AN EXPERIMENTAL HELICOPTER ACCIDENT FOUND FOLLOWING PROBLEM: BEARING ASSY SHAFT INSERT BROKEN OFF INSIDE OF MAIN ROTOR SHAFT. STUB SHAFT FELL OUT THE MAIN ROTOR SHAFT. MAIN SHAFT AND SPROCKET AND CHAIN DUG INTO FUEL TANK. TOP OF MAIN BEARIJun 18, 1996 · N7182Z · Amtr ROTORWAYEXECSDR CA960826035Shim · uniball bind(CAN) ON INSTALLATION AFTER REPAIR BY OVERHAUL FACILITY, SWASHPLATE TILT FRICTION CHECKED AND FOUND WITHIN LIMITS AFTER GROUND RUN, PILOT REPORTED CYCLIC HARD TO MOVE WITH HYDRAULICS ON, ALMOST IMPOSSIBLE TO MOVE WITH HYDRAULICS OFF. SWASHPLATE HAD BEEN SHIMMJun 17, 1996 · Bell 206BSDR CA960812011Swashplate · incorrect assy(CAN) SWASHPLATE WAS REPLACED AND TILT FRICTION CHECKED, FOUND TO BE WITHIN LIMITS. AFTER A GROUND RUN THE PILOT COMPLAINED OF THE CYCLIC BEING EXTREMELY HARD TO MOVE WITH HYDRAULICS ON AND ALMOST IMPOSSIBLE WITH HYDRAULIC OFF. INVESTIGATION REVEALED THAT THE Jun 17, 1996 · Bell 206BSDR 96ZZZX3837Bearing · making metalTRANSMISSION CHIP CAUTION LIGHT ILLUMINATED DURING FLIGHT. FOUND MULTIPLE FLAKES ON MAGNETO PLUGS. MAST BEARING FOUND TO BE CAUSE OF METAL. CAUSE UNDETERMINED.Jun 11, 1996 · N16917 · Bell 206B3SDR 96ZZZX5540Yoke · crackedCRACKS FOUND BETWEEN CONTROL ROD AND UNIVERSAL YOKES. CRACK RUNS DOWN THE WEB BETWEEN BOTH AT 2 LOCATIONS. SUBMITTER STATED THIS IS SECOND FOUND THIS MONTH. THE OTHER CRACKED SWASHPLATE IS S/N 11-897-88H WITH SIMILAR TIME IN SERVICE. CRACKED SWASHPLATE YOKJun 7, 1996 · N890JR · Enstrm F28FSDR 96ZZZX4185Swashplate Yoke · crackedCRACKS FOUND BETWEEN CONTROL ROD AND UNIVERSAL YOKES. CRACK RUNS DOWN THE WEB BETWEEN BOTH AT 2 LOCATIONS. THIS IS SECOND FOUND THIS MONTH. THE OTHER CRACKED SWASHPLATE IS S/N 11-897-88H WITH SIMILAR TIME IN SERVICE. CRACKED SWASHPLATE YOKE REMOVED FROM SEJun 7, 1996 · N890JR · Enstrm F28FSDR HCMA9625Bearing · worn excessBEARING WORN EXCESSIVELY.Jun 5, 1996 · N532BH · Snias AS350BASDR 97ZZZX667Scissors · wornDRIVE SCISSORS WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.May 25, 1996 · N901CF · Doug MD900SDR 96ZZZX2944Adapter · crackedMAST ASSY ADAPTER HAS CRACK AROUND 90 DEGREES OF CIRCUMFERENCE ON LOWER OR BOTTOM SURFACE, CRACK VISIBLE ON TOP SURFACE. NOTE: ACFT DELIVERY DATE IS 12/27/94.May 20, 1996 · N5748M · Bell 214STSDR 96ZZZX3840Bolt · steppedPILLOW BLOCK BOLTS (3 EACH) FOUND STEPPED AND SCORED.May 17, 1996 · N6533Y · Bell 206L3SDR ERAA96240Bearing · excess playBEARINGS HAVE EXCESS RADIAL AND AXIAL PLAY.May 16, 1996 · N412EH · Bell 412SDR ERAA96239Tube · mis mfgNEW TUBE . FITTING AND ROD END HAVE INCORRECT FIT. WALL THICKNESS TOO GREAT.May 16, 1996 · Bell 412SDR 96ZZZX5672Bellows · tornBELLOWS IS TORN AROUND CLAMP AND FOLD AREAS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.May 16, 1996 · N424MB · Bolkms BK117A3SDR 96ZZZX3166Link Idler · wornDAILY INSPECTION FOUND BUSHING AND BEARINGS WORN BEYOND LIMITS. PARTS REQUIRING REPLACEMENT: 4 EACH 206-010-338-001 SPACERS, 4 EACH 206-010-337-001 BEARINGS, 2 EACH 206-010-338-003 BUSHINGS, 2 EACH NAS6605D64 BOLTS, 1 EACH 206-010-470-101 BEARING. SUBMITTERMay 9, 1996 · N5740L · Bell 206L1SDR 96ZZZX3165Lever Assy · wornDAILY INSPECTION FOUND BUSHING AND BEARINGS WORN BEYOND LIMITS. PARTS REQUIRING REPLACEMENT: 4 EACH 206-010-338-001 SPACERS, 4 EACH 206-010-337-001 BEARINGS, 2 EACH 206-010-338-003 BUSHINGS, 2 EACH NAS6605D64 BOLTS, 1 EACH 206-010-470-101 BEARING. SUBMITTERMay 9, 1996 · N5740L · Bell 206L1SDR 96ZZZX3161Link Idler · wornDAILY INSPECTION FOUND BUSHINGS AND BEARINGS WORN BEYOND LIMITS. PARTS REQUIRING REPLACEMENT: 4 EACH 206-010-338-001 SPACERS, 4 EACH 206-010-337-001 BEARINGS, 2 EACH 206-010-338-003 BUSHINGS, 2 EACH NAS6605D64 BOLTS, 1 EACH 206-010-470-101 BEARING. SUBMITTEMay 9, 1996 · N1081G · Bell 206L1SDR 96ZZZX3160Lever Assy · wornDAILY INSPECTION FOUND BUSHINGS AND BEARINGS WORN BEYOND LIMITS. PARTS REQUIRING REPLACEMENT: 4 EACH 206-010-338-001 SPACERS, 4 EACH 206-010-337-001 BEARINGS, 2 EACH 206-010-338-003 BUSHINGS, 2 EACH NAS6605D64 BOLTS, 1 EACH 206-010-470-101 BEARING. SUBMITTEMay 9, 1996 · N1081G · Bell 206L1SDR 96ZZZX3460Nut · lost torqueWHEN REMOVING SWASHPLATE, MECHANIC FOUND NUT TO HAVE LOST TORQUE. (HAND TIGHT.) HAVE FOUND SEVERAL MAST NUTS ON 206L-3'S AND 206L-4'S MAST ASSEMBLIES THAT HAVE LOST TORQUE. BELIEVE THE CONTACT AREA BETWEEN THE MAST NUT AND THE BEARING INNER RACE IS TOO SMALMay 7, 1996 · N343AL · Bell 206L3SDR 97ZZZX2770Universal Hsng · crackedMOUNTING WEBS FOR CONTROL ROD BEARINGS AND UNIVERSAL JOINT OF LOWER SWASHPLATE FOUND CRACKED AT INSPECTION. THIS IS A PRIMARY FLIGHT CONTROL PART. THIS PART HAS A RETIREMENT LIFE OF 17,700 HOURS. PART NON-REPAIRABLE. REPLACED WITH SERVICEABLE PART 28-16119May 6, 1996 · N8626S · Enstrm F28FSDR 97ZZZX2555Universal Hsng · crackedMOUNTING WEBS FOR CONTROL ROD BEARINGS AND UNIVERSAL JOINT OF LOWER SWASHPLATE FOUND CRACKED AT INSPECTION. THIS IS A PRIMARY FLIGHT CONTROL PART. THIS PART HAS A RETIREMENT LIFE OF 17,700 HOURS. PART NON-REPAIRABLE. REPLACED WITH SERVICEABLE PART 28-16119May 6, 1996 · N8626S · Enstrm F28FSDR 96ZZZX3415Duplex Bearing · failedTHIS IS THE SECOND DUPLEX BEARING FAILURE OF THIS TYPE IN LAST 6 MONTHS. BEARINGS FAILED WITH 1,000 HOURS OR LESS. PREVIOUS BEARING, SN 17910, FAILED AT 915.1 HOURS. BEARINGS ARE NORMALLY CONDITIONAL ITEMS AND SELDOM NEED CHANGING AT 4,800-HOUR OVERHAUL PERMay 6, 1996 · N2616 · Bell 206L3SDR ERAA96229Trunnion Assy · bearing defectNEW TRUNNION BEARING THAT HAS DEFECTIVE SEAL. WHILE GREASING TO PREPARE TO INSTALL ON AIRCRAFT, SEAL POPPED OUT OF BEARING.May 3, 1996 · Bell 412SDR 96ZZZX2591Sleeve Assy · crackedDURING A WEEKLY INSPECTION, MECHANIC FOUND THE SWASHPLATE SLEEVE UNIBALL CRACKED AT THE COLLECTIVE LEVER BEARING. REMOVED SWASHPLATE ASSY, PN 206-010-450-113, SN EAJG-111249, TT 4,230.7 HRS TSO. TSN AIRCRAFT TT, 8,304.5 HRS. INSTALLED SERVICEABLE SWASHPLATEMay 3, 1996 · N82FC · Bell 206BSDR AU960537Plate · cracked(AUS) MAIN ROTOR SWASHPLATE CONTROL PLATE FORE/AFT CYCLIC INPUT HORN LUG CRACKED AND BROKEN ON LH SIDEApr 16, 1996 · Bell 47G3BSDR 96ZZZX4183Drive Link · wornPLAY IN EXCESS OF .025 INCH AT TWO PLACES. SEE BELL MM L3, FIGURE 62.21. AT TEAR DOWN FOUND BEARINGS AND SPACERS WORN. TOTAL TIMES LESS THAN 1,000 HOURS AND 1 YEAR SINCE REPLACED.Apr 13, 1996 · N5000G · Bell 206L1SDR AU960823Bearing · failed(AUS) MAIN ROTOR MAST BEARING FAILED - SUSPECT CAUSED BY HEAVY LANDING - METAL CONTAMINATION OF OIL SYSTEMApr 12, 1996 · Bell 47G3BSDR 96ZZZX2453Non Rotate Star · wornDAILY INSPECTION FOUND SERVO TO STAR ATTACH POINT WORN BEYOND LIMITS AND SERVO ROD END WEARING INTO STAR.Apr 10, 1996 · N5787E · Aerosp AS355FSDR HEEA966885Link Scissors · gougedLINK SCISSORS GOUGED AT BEARING ARM.Mar 27, 1996 · N350BZ · Snias AS350B2
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