JASC 6320
Service difficulty reports · 1,931
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 95ZZZX4372Ball Joint · bulgedYELLOW BALL JOINT BULGED. OTHER THREE BADLY CRACKED AND WORKING. REMOVED AND REPLACED BALL JOINTS.SDR 95ZZZX4371Ball Joint · crackedYELLOW BALL JOINT BULGED. OTHER THREE BADLY CRACKED AND WORKING. REMOVED AND REPLACED BALL JOINTS.SDR 95ZZZX4370Ball Joint · crackedYELLOW BALL JOINT BULGED. OTHER THREE BADLY CRACKED AND WORKING. REMOVED AND REPLACED BALL JOINTS.SDR 95ZZZX4369Ball Joint · crackedYELLOW BALL JOINT BULGED. OTHER THREE BADLY CRACKED AND WORKING. REMOVED AND REPLACED BALL JOINTS.SDR HEEA955302Seal · failedTRANSFERRING OIL FROM ENGINE TO TRANSMISSION. REPLACED FWD AND AFT DOUBLE LIP SEALS IN ENGINE GEARBOX.SDR HEEA955292Bearing · failedTRANSMISSION REMOVED DUE TO EXCESSIVE METAL ON CHIP PLUG. BEARING SPALLED. REPAIRED TRANSMISSION AND REPLACED BEARING WITH NEW PART.SDR HEEA955276Bearing · failedINNER AND OUTER RACES AND BALL SPALLING. REPLACED WITH NEW BEARING SET AND RETURNED TO SERVICE.SDR HEEA955247Indicator · inoperativeNEEDLE ON PRESSURE SIDE HAS NO INDICATION.SDR HEEA955246Indicator · failedNO INDICATION WITH A-C RUNNING.SDR 95ZZZX3867Switch · failedMAIN ROTOR TRANSMISSION OIL TEMP/PRESSURE LIGHT ILLUMINATED IN-FLIGHT. INVESTIGATION FOUND THE SWITCH WOULD OPEN AT A LOWER TEMPERATURE THAN NORMAL. INSTALLED NEW SWITCH, OPERATIONAL CHECK NORMAL.SDR 95ZZZX4226Seal · leakingREPLACED MAGNETIC INPUT SEAL ON MAIN ROTOR TRANSMISSION WITH NEW SEAL DUE TO EXCESSIVE OIL LEAKAGE FROM SEAL. REMOVED AND REPLACED MAGNETIC SEAL.SDR GCHA9514Transmission · gear failedDURING FLIGHT A/C REGISTERED TRANSMISSION CHIP LIGHT. PERFORMED AN UNSCHEDULED LANDING. IT WAS FOUND TO HAVE METAL IN OIL CAUSED BY A BEVEL GEAR FAILURE. ACTT 6002.6. REMOVED AND REPLACED TRANSMISSION .SDR HEEA955162Bearing · defectiveBEARING SLINGING GREASE. REPLACED WITH NEW BEARINGSDR 95ZZZY1464Seal Assy · failedSEAL FAILED.SDR EGRA9596Stay Assy · wornLEFT HAND TRANSMISSION STAY ASSY FOUND WORN BEYOND LIMITS REPLACED LEFT HAND STAY ASSY.SDR HEEA955115Restraint · defectiveAIRCRAFT EXPERIENCES A MILD SHUDDER IN CRUISE FLIGHT. THIS SHUDDER HAS A DURATION OF 2-3 SECONDS AND THERE IS NO PREDICTING HOW OFTEN OR WHEN IT WILL OCCUR. THE ROTOR SYSTEM HAS BEEN CHECKED FOR TRACK AND BALANCE.SDR HEEA955114Bearing · wornAIRCRAFT EXPERIENCES A MILD SHUDDER IN CRUUISE FLIGHT. THIS SHUDDER HAS A DURATION OF 2-3 SECONDS AND THERE IS NO PREDICTING HOW OFTEN OR WHEN IT WILL OCCUR. THE ROTOR SYSTEM HAS BEEN CHECKED FOR TRACK AND BALANCE.SDR 95ZZZX3343Main Case · crackedON DISASSEMBLY FOR OVERHAUL, FOUND CRACK ABOVE INPUT QUILL IN CASE WEB. CAUSE: UNKNOWN. SUBMITTER STATED THIS HAS OCCURRED ON THE BELL 212 MAIN TRANSMISSION CASE SEVERAL TIMES IN THE PAST.SDR 95ZZZX5613Bearing · crackedGEARBOX WAS DISASSEMBLED FOR OVERHAUL, BEARING, PN 117-12610-01, INNER RACE FOUND CRACKED. NO OTHER DAMAGE FOUND.SDR 95ZZZX5305Transmitter · defectiveTRANSMITTER UNIT CAUSES PRESSURE GAUGE TO READ LOW AND FLUCTUATE. REPLACED WITH NEW UNIT(S) CORRECTED PROBLEM.SDR 95ZZZX2772Link 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 NAS 6605D64 BOLTS, 1 EACH 206-010-470-101 BEARING. NORMAL SDR 95ZZZX2771Link 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 NAS 6605D64 BOLTS, 1 EACH 206-010-470-101 BEARING. NORMAL SDR HEEA955041Transmission · leakingMAST BEARING HOUSING LEAKING. (LOWER) REPLACED TRANSMISSION AND RETURNED TO SERVICE.SDR HEEA955000Center Case · wornCENTER CASE TAIL ROTOR BORE WORN BEYOND LIMITS.SDR HEEA954993Drag Pin Assy · defectiveBEARING BECAME UNSTAKED. REPLACED WITH SERVICEABLE DRAG PIN.SDR HEEA954992Transmission · making metalTRANSMISSION MAKING METAL. CAUSE OF METAL: BEARING SPALLED. REPAIRED AND REPLACED BEARING AND RETURNED AIRCRAFT TO SERVICE.SDR 96ZZZX1004Transmission · making metalTRANSMISSION MAKING METAL.SDR 95ZZZY0956Sealing Ring · leakingSEALING RING LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT(S), CORRECTED PROBLEM.SDR 95ZZZX2470Bearing · defectiveDURING REPAIR OF M/R TRANSMISSION AFTER THE RING GEAR HAD FAILED, THE TRANSMISSION OUTPUT SHAFT DUPLEX BEARING ASSEMBLY WAS FOUND WITH A 'CLICK' IN IT AS IT ROTATED. BEARING WAS REMOVED AND SENT IN FOR OVERHAUL.SDR 95ZZZX3101Bolt · not drilledMAINTENANCE MANUAL FOR BO-105 CALLS FOR TRANSMISSION FILTER BOLT, PN 2101005241, TO BE SAFETY WIRED, BUT THE BOLT HAS NO HOLE DRILLED. AT FURTHER CHECK OF 105 FLEET, REVEALS NONE OF THE BOLTS ARE DRILLED. DRILLED BOLT AND SAFETIED. EITHER MM SHOULD BE CHANGSDR 95ZZZX2452Camshaft · crackedON SHUT-DOWN, PILOTS FELT AN UNUSUAL VIBRATION AND GROWL. NR 1 CAMSHAFT FOUND CRACKED ABOUT 340 DEGREES AROUND CAM THROUGH OIL HOLES. SIKORSKY AIRCRAFT HAS BEEN NOTIFIED AND CAM SENT FOR FRACTURE ANALYSIS. REF: OPERATOR CONTROL NR JYER950504.SDR HEEA954907Case Assy · mis mfgUPON DISASSEMBLY OF TRANSMISSION FOR OVERHAUL, CENTER CASE WAS IDENTIFIED AS BEING INCORRECTLY MANUFACTURED. (STUD HOLE PATTERN NOT IN PROPER LOCATION TO FACILITATE OIL PASSAGES) (APPROX 72 DEGREES)SDR 95ZZZX2401Transmission · pump defectiveDURING PRE-FLIGHT, PILOT FELT A ROUGH CLUNK IN THE ROTOR SYSTEM. AS THE ROTOR WAS TURNED, SUBSEQUENT INSPECTION FOUND THE GEAR OIL PUMP OF THE MAIN ROTOR TRANSMISSION REQUIRED A VERY HIGH BREAK-AWAY TORQUE TO BEGIN ROTATION AND AFTER THAT, IT WAS RATCHETY. USDR 95ZZZX3109Switch · defectiveNR 1 TRANSMISSION OIL PRESSURE LIGHT ON IN-FLIGHT, INTERMITTENTLY. REMOVED AND REPLACED.SDR 95ZZZX2366Ring Gear · defectiveUPON INPSECTION PRIOR TO ASSEMBLY IN A M/R TRANSMISSION, ONE OF THE BOLT HOLES WAS DISCOVERED TO HAVE VOIDS IN THE WALL OF THE HOLE DEEPER AND PERPENDICULAR TO THE THREADS. PART WAS RETURNED TO MANUFACTURER.SDR HEED95132Tab Locknut · seal leakSEAL LEAKING. ORDERED NEWSDR HEED95110Packing · leaking#1 INPUT QUILL SEAL CHANGE LEAKING. ORDER NEW PACKINGSDR HEED95109Packing · leaking#1 INPUT QUILL SEAL CHANGE LEAKING. ORDER NEW PACKINGSDR HEED95108Packing · leaking#1 INPUT QUILL SEAL CHANGE LEAKING. ORDER NEW PACKINGSDR HEED95107Packing · leaking#1 INPUT QUILL SEAL CHANGE LEAKING. ORDER NEW PACKINGSDR HEED95106Tab Loc-Nut · defective#1 INPUT QUILL SEAL CHANGE LEAKING. ORDER NEW SEALSDR 95ZZZX2531Transducer · defectiveUPON LANDING, PILOT REPORTS TRANSMISSION OIL PRESSURE WAS PEGGED TO THE HIGH SIDE ON APPROACH TO HOSPITAL HELIPAD. REPLACED TRANSDUCER, OPS CHECKED OKAY.SDR HEEA954793Tube Assy · leakTUBE ASSEMBLY DEVELOPED A PIN HOLE LEAK AROUND "B" NUT COLLAR. PIN HOLE APEARS TO BE CAUSED BY CORROSION. "B" NUT FERRULE ON TUBE ASSEMBLY WAS STAINLESS STEEL AS THIS IS AN ALUMINUM LINE.SDR HEEA954770Adapter · leakingSEAL LEAKING.SDR HEEA954769Housing · seal leakingSEAL LEAKING.SDR HEEA954768Seal Assy · leakingSEAL LEAKING.SDR 95ZZZX2469Switch · failedIN-FLIGHT, TRANSMISSION OIL TEMP LIGHT ILLUMINATED SEVERAL TIMES. TEMP INDICATOR READING NORMAL. AIRCRAFT DIVERTED TO FOURCHON. 206L-1 IPC, CHAPER 63-99-00, PAGE 8, FIGURE 63-2, ITEM 23.SDR HEEA954680Pump · leakingFRONT SEAL ON PUMP LEAKING OIL. REPLACED WITH SERVICEABLE PUMP ASSEMBLY.SDR 95ZZZY0726Transmitter · failedNO INDICATION. REPLACED WITH NEW UNIT(S) CORRECTED PROBLEM.SDR 95ZZZY0721Transmitter · failedPRESSURE TRANSMITTER WORKED FOR FIRST 30 MIN. FROM INSTALLATION. AFTER 30 MIN. UNIT FAILED TO INDICATE. REPLACED WITH NEW UNIT(S) CORRECTED PROBLEM.
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