JASC 6220
Service difficulty reports · 2,052
Reports filed under 6220 · Main Rotor Head, 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 = '6220' 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 = '6220' 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 HEEA967784Seal · leakI.B. SEAL LEAKING DUE TO DETERIORATION. ONE EACH O.B. SEAL SHOWING MINOR LEAK. REPLACED ALL SEALS AS A SET. PARTS SCRAPPED LOCALLY.SDR 96ZZZX5854Ball Joint · wornTEFLON LINERS WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH 3 EACH NEW UNITS, CORRECTED PROBLEM.SDR 96ZZZX5040Droop Stop · bentDROOP STOP ON RT SIDE HUB WAS BENT BY PILOT WHEN ATTEMPTING TO INSTALL TEETER LOCKS DURING ACFT TY-DOWN PROCEDURE. CREW CHIEF HAD REPAIRED STOP, BUT STOP WAS TWEAKED FORE AND AFT AS WELL AS UP AND DOWN. STOP HUNG UP DURING COAST DOWN AND R/S ROTOR BLADES CHASDR 96ZZZX5086Bolt · failedTHE BOLTS THAT FAILED ATTACH INBOARD END OF MAIN ROTOR DAMPER. NEITHER DAMPER CAME LOOSE SINCE THE DESIGN OF THE ROTOR HEAD PREVENTS BOLT FROM COMING OUT ALL THE WAY. REMOVED ALL SAP BOLTS FROM SERVICE AND CHECKED TORQUE ON ALL M/R DAMPER BOLTS.SDR 96ZZZX5868Spherical Stop · wornSPHERICAL STOP ELASTOMERICS WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR 96ZZZX5851Spherical Stop · wornSPHERICAL STOP ELASTOMERICS WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR HEEA967659Spindle · bearing failedSPINDLE NEEDS BEARING REPLACEMENT.SDR HEEA967658Spindle · unbondedSPINDLE UNBONDED.SDR HCMA9645Spherical Stop · crackedSPHERICAL STOPS ARE CRACKING.S/N 9528,9529,&9527SDR 96ZZZX5850Spherical Stop · wornSPHERICAL STOP ELASTOMERICS WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR HEEA967655Seal · deterioratedRUBBER UNBONDED FROM METAL RING. RUBBER BOOT APPEARS TO BE DRY ROTTED. PARTS SCRAPPED LOCALLY. REPLACED WITH SERVICEABLE PARTS.SDR CA960826052Bearing · unapproved(CAN) OEM PUTS THEIR PART NUMBER ON THE BEARING. BEARING REMOVED DID NOT HAVE PROPER PART NUMBER ON IT.SDR CA960826051Bearing · unapproved(CAN) OEM USES BEARINGS MANUFACTURED BY NMB. BEARING REMOVED WAS MADE BY NEW DEPARTURE.SDR CA970311041Starflex · cracked(CAN) 20 MM CRACK IN STARFLEX.SDR 97ZZZX639Seal · wornM/R HEAD SEAL WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR 96ZZZX4870Freq Adapter · defectiveINSTALLED NEW FREQUENCY ADAPTERS BECAUSE OF LIFE LIMIT ON OLD ADAPTERS. TRACK AND BALANCE ACCOMPLISHED. SEVEN FLIGHT HOURS LATER, PILOTS COMPLAINED OF VIBRATION. COULD NOT COMPLETE TRACK AND BALANCE ATTEMPT TO MINIMUM IPS. REPLACED FREQUENCY ADAPTER. TRACSDR MVH0064216Rod End · wornPART WORN EXCESSIVELY.SDR AU961048Droop Stop · cracked(AUS) MAIN ROTOR DROOP STOP RING CRACKED IN SEVERAL PLACESSDR CA960826037Star Arm · debonded(CAN) IN FLIGHT, VIBRATION LEVEL INCREASING AND GROUND RESONANCE ENCOUNTERED DURING LANDING STAR ARM - BLUE POSITION - END BUSHING SLEEVE DEBONDED CAUSING IT TO WEAR INTO STAR ARM COMPOSITE MATERIAL NO EVIDENCE OF DEBOND WAS FOUND AT LAST 100 HOUR INSPECTIONSDR CA960812018Starflex · debonded(CAN) VIBRATION LEVEL INCREASED DURING FLIGHT, AND GROUND RESONANCE EXPERIENCED DURING LANDING. INSPECTION SHOWED THAT THE BLUE POSITION STAR ARM END BUSHING HAD DEBONDED IN FLIGHT AND HAD CAUSED EXCESSIVE DAMAGE IN COMPOSITE.SDR CA960717004Stabilizer Bar · worn bearing(CAN) EXCESSIVE PLAY DISCOVERED IN BEARING ALSO ON BOLT.SDR CA960715008Damper · sheared bolt(CAN) BOLT FOUND SHEARED IN TWO AT THE ATTACHMENT TO THE MAIN ROTOR HUB.SDR HEEA967469Bolt · coat flakeBOLTS HAVE COATING FLAKING. SERIAL NUMBERS REMOVED ARE A701, A746, AND A603.SDR HEEA967437Spindle · debondedDAMPER BEARING UNBONDED.SDR ERAA96254M/R Head · defectiveLOWER CONE SEAT WAS INSTALLED IN AC 416EH AND HAD TO BE REMOVED BECAUSE IT WAS NOT PROPERLY TAPPED & THREADED FOR LOWER CONE HOLES. RETURNED LOWER CONE SEAT PART REF ERA MMIR# ERAA000248.SDR ERAA96248Lower Cone Seat · mis mfgNEW LOWER CONE SEAT THAT HAS TWO BOLT HOLES THAT ARE NOT THREADED.SDR AU960911Grip · cracked(AUS) MAIN ROTOR HEAD GRIPS CRACKED - FOUND DURING EDDY CURRENT INSPECTION IAW AD/BELL47/92 AMDT4SDR 96ZZZX5758Ring · groovedGROOVED RING. REPLACED 4 EA.SDR 97ZZZX92Cone Seat · mismanufacturedMALFUNCTION: RECEIVED LOWER CONE SEAT FOR M/R HEAD THAT WAS NOT PROPERLY TAPPED AND THREADED. SUBMITTER SUGGESTION: THAT BELL QUALITY CONTROL CHECK LOWER CONE SEAT THOROUGHLY BEFORE SHIPPING TO CUSTOMER.SDR HEEA967404Starflex · crackedCRACKED STARFLEX ARM BEYOND LIMITS.SDR CA960712106Lead Lag Link · cracked(CAN) CRACK FOUND ON EAR OF LEAD - LAG LINK. FROM BOLT HOLE TO EDGE.SDR 97ZZZX649Bearing · wornM/R CENTERING BEARING ELASTOMERICS WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR 97ZZZX648Bearing · wornM/R CENTERING BEARING ELASTOMERICS WORN BEYOND SERVICEABLE LIMITS. DEBONDING. REPLACED WTIH NEW UNIT, CORRECTED PROBLEM.SDR 97ZZZX647Bearing · wornM/R CENTERING BEARING ELASTOMERICS WORN BEYOND SERVICEABLE LIMITS. DEBONDING. REPLACED WWITH NEW UNIT, CORRECTED PROBLEM.SDR 97ZZZX646Bearing · wornM/R CENTERING BEARING ELASTOMERICS WORN BEYOND SERVICEABLE LIMITS. DEBONDING. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR 96ZZZX3839Link Assy · bushing looseWHILE C/W WITH VISUAL INSPECTION PER AD 93-03-13 (R/D 3-21-95) TWO BLADE ATTACHMENT BUSHINGS WERE FOUND LOOSE IN ONE LEAD/LAG LINK ASSY. M/R HUB TO BE RETURNED TO A MDHS SERVICE CENTER FOR REPLACEMENT OF THIS LINK ASSY WITH A SERVICEABLE PART.SDR CA960619025Trunnion Bearing · excess play(CAN) PITCH HORN TRUNNION BEARING REPLACED DUE TO AXIAL PLAY IN THE PITCH LINK BOLT BEARING.SDR HEEA967394Starflex · crackedSTARFLEX HAS CRACK IN ONE ARM.SDR AU960778Trunnion · cracked(AUS) MAIN ROTOR HUB TRUNNION CRACKED IN RADIUS - FAILURE ANALYSIS GROUP COULD FIND NO EVIDENCE OF CRACKING USING BOTH FLUORESCENTDYE PENETRANT AND MAGNETIC PARTICLE INSPECTION TECHNIQUES - THERE WAS EVIDENCE OF REWORK BY POLISHING - PART RETURNED TO BELLHELISDR 96ZZZX3964Starflex · wornTEFLON LINERS WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR 97ZZZX650Bearing · wornM/R CENTERING BEARING ELASTOMERICS WORN BEYOND SERVICEABLE LIMITS. DEBONDING. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR AU960746Control Rotor · cracked(AUS) MAIN ROTOR HEAD CONTROL ROTOR CRACKED AT SPAR END THROUGH THE FIRST BOLT HOLE FOR APPROXIMATELY 50% OF CIRCUMFERENCE - FOUND DURING INSPECTION IAW AD/HIL12/17 AMDT4SDR 96ZZZX3959Starflex · wornTEFLON LINERS WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH 3 EACH NEW UNITS, CORRECTED PROBLEM.SDR 96ZZZX3958Spherical Stop · wornELASTOMERICS WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR 96ZZZX3957Spherical Stop · wornELASTOMERICS WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR 96ZZZX3956Spherical Stop · wornELASTOMERICS WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR HEEA967246Bracket · brokeDURING THE PROCESS OF LOOSENING M/R WEIGHT BOLT FOR ROUTINE M/R TRACK AND BALANCE, HUB BALANCE BRACKET BROKE IN TWO PIECES. BREAK WAS IN AREA OF 90 DEGREE BEND APPROX. 10% OF FRACTURE AREA APPEARS TO BE A FRESH BREAK. INSPECTED M/R WEIGHT STICK-UPAND FOUND TSDR HEEA967243Cone · coating scoredTEFLON COATING SCORED. SENT TO BELL HELICOPTER TEXTRON FOR INSPECTION AND REPAIR.SDR 96ZZZX2945Hub · crackedHUB FOUND CRACKED INSIDE HUB AT CONTROL ROTOR TRUNNION STUD HOLE. CRACK FOUND AT 50-HOUR DYE PENETRANT INSPECTION DURING C/W AD 73-20-3. SUBMITTER STATED CRACKS IN THIS AREA OCCUR ON OCCASION.SDR CA960530004Tie Rod · sheared(CAN) THE COUNTERWEIGHT ROD SHEARED AT THE BASE OF THE SPACER AND DRAG BRACE ATTACHMENT ON THE MAIN ROTOR HEAD. THE COUNTERWEIGHT, WASHERS AND SPACER LEFT THE AIRCRAFT CAUSING A VIBRATION IN THE AIRCRAFT AND FLIGHT CONTROLS. THE TIE ROD IS SUBJECT TO A 300 HOU
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