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.

SDR 97ZZZX4213Stop Bearing · failedPILOT REPORTS VERTICAL VIBRATION AND RETURNED TO BASE. INSPECTION REVEALED 'BLUE' M/R SPHERICAL STOP BEARING, P/N 204A33-633 156, FAILED. REPLACED ALL THREE M/R SPHERICAL STOPS WITH P/N 704A33633-109. RUN-UP OPS CHECK GOOD.Sep 5, 1997 · N4AK · Snias AS350BSDR 98ZZZX1402Idlercrank Brg · failedIDLERCRANK BEARING FAILURES FOUND DURING NORMAL INSPECTION.Aug 27, 1997 · N313KA · Kaman K1200SDR 98ZZZX1401Idlercrank Brg · failedIDLERCRANK BEARING FAILURES FOUND DURING NORMAL INSPECTION.Aug 27, 1997 · N313KA · Kaman K1200SDR 97ZZZX4470Frahm Assy · deterioratedLATERAL VIBRATION IN AIRCRAFT. FOUND ALL RUBBER PARTS DETERIORATED (ERASER TYPE WEAR) INSIDE FRAHM ASSEMBLY.Aug 26, 1997 · N437AL · Bell 407SDR 98ZZZX1400Idlercrank Brg · failedIDLERCRANK BEARING FAILURES FOUND DURING NORMAL INSPECTION.Aug 21, 1997 · N313KA · Kaman K1200SDR 98ZZZX1399Idlercrank Brg · failedIDLERCRANK BEARING FAILURES FOUND DURING NORMAL INSPECTION.Aug 21, 1997 · N313KA · Kaman K1200SDR 97ZZZX4094Pin Boss · axial slippageDURING DAILY INSPECTION, NOTICED ONE M/R PIN SLIGHTLY UP ON YELLOW AND BLUE BLADE. UPON CLOSE EXAMINATION BY REMOVING M/R BLADES, FOUND THAT M/R PIN BOSSES HAD AXIALLY MOVED TO CAUSE PIN EXTRACTION DIFFICULTY AND SOME VIBRATIONS AS REPORTED EARLIER BY PILOT. Aug 21, 1997 · N92LG · Snias AS350B2SDR 97ZZZX3793Hub · crackedCRACK DISCOVERED DURING POST-FLIGHT INSPECTION. CRACK ON TOP SURFACE OF CENTER SECTION BETWEEN RESERVOIR MOUNT HOLE AND TIE BAR BOLT ACCESS HOLE. EXTENDS THROUGH RESERVOIR HOLE DOWN INTO WEB OF CENTER SECTION. ROTOR HUB OPERATED ON MJ022 IN 'LR' CONFIGURATIAug 14, 1997 · N2FOR · Boeing 234SDR HEEA0010611Bearing · wornFACE OF BEARING IS WORN OFF. REPLACED WITH SERVICEABLE ROD END BEARING.Aug 7, 1997 · N6559Z · Bell 412SDR CA970731015Shim · incorrect(CAN) AIRCRAFT ROUGH IN HOVER AND CLUNKING NOISE HEARD ON SHUTDOWN. INSPECTION SHOWED INCORRECT SHIMMING OF STATIC STOPS ALLOWING FITTING TO ROTATE IN BORE OF YOKE WHICH POUNDED ONTO STATIC STOP, DAMAGING STATIC STOP. PROSEAL FOUND INSIDE YOKE ON RADIUS RIJul 24, 1997 · Bell 206BSDR HEEA0010511Bearing · corrodedBEARING CORRODED. AT TIME OF CLEANING PRESERVATIVE FOR INSTALLATION FOUND CORROSION ON ROLLERS.Jul 16, 1997 · Bell 206L3SDR HEEA0010494Cone Lower · liner wornLOWER CONE TEFLON LINER WORN AND TORN.Jul 16, 1997 · N23023 · Bell 412SDR HEEA0010480Hub · wont balanceUNABLE TO BALANCE M/R HUB ON AIRCRAFT.Jul 15, 1997 · Bell 214STSDR HEEA0010419Damper · defectiveM/R ROTOR DAMPER INNER BUSHING CAVITY OVERSIZED.Jul 9, 1997 · N22342 · Skrsky S76ASDR 97ZZZX3545Starflex · debondedPILOT REPORTED MAIN ROTOR VIBRATION. INSPECTION REVEALED YELLOW STAR ARM BUSHING DE-BONDED AND MOVED OUTBOARD. FURTHER INSPECTION REVEALED CRACK UNDER BUSHING IN COMPOSITE MATERIAL. PART LASTED 90.5 HOURS AND IS LIFE LIMITED AT 2,220 HOURS. PREVIOUS PART LJul 9, 1997 · N117LB · Aerosp AS355F1SDR HEEA0010390Cone Set · wornCONE SET IS WORN.Jul 7, 1997 · N417PH · Bell 407SDR CA970722010Pin · unserviceable(CAN) INCORRECT PIN INSTALLED, SUBMITTER STATED A 206B PIN RATHER THAN A 206L PIN WAS INSTALLED.Jul 7, 1997 · Bell 206L1SDR CA970722012Stop · delaminated(CAN) SPERICAL STOP DELAMINATED TO MAX LIMITS.Jul 4, 1997 · Snias AS350BSDR HEEA0010372Starflex · crackedSTARFLEX CRACKED.Jun 30, 1997 · N60951 · Snias AS350B2SDR HEEA0010371Ring · pittedSEAL RIDE HAS UNACCEPTABLE PITTING AND GOUGES.Jun 30, 1997 · N911HM · Bolkms BO105SSDR HEEA0010370Pin Strap · wrong partSERIAL NUMBER ETCHING ON PART DOES NOT MATCH WITH HISTORICAL RECORD WHICH READS DI21571.Jun 30, 1997 · Bell 206L1SDR 97ZZZX4406Frahm Damper · damagedPILOT REPORTED A ONE-TO-ONE VIBRATION. WHILE WORKING ON THE ROTOR VIBRATION, THE FRAHM DAMPER WAS FOUND DAMAGED. UPON REMOVING MAIN ROTOR COVER ASSEMBLY, NOTED ITEM 32 (LINER ASSEMBLY) HAD EXCESSIVE CONTACT WITH ITEM 17 (PAD ASSEMBLY). LINER ASSEMBLY WAS BRJun 30, 1997 · N407AL · Bell 407SDR 97ZZZX4087Bearing · debondedHUB ASSEMBLY CENTERING BEARING BEGINNING TO INDICATE SIGNS OF DEBONDING. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Jun 27, 1997 · N901CF · Doug MD900SDR HEEA0010282Spindle · bearing failedBEARING SEPARATED FROM SPINDLE.Jun 25, 1997 · N22347 · Bell 412SDR HEEA0010273Hub · bearing spunHUB BEARING SPUN CAUSING WEAR IN LINER. REPLACED WITH SERVICEABLE HUB ASSY.Jun 25, 1997 · Bell 412SDR CA970807040Droop Ring · misinstalled(CAN) DROOP RING WAS FOUND TO BE INCORRECTLY INSTALLED BOTH DROOP RING AND FOLLOWERS WERE INSTALLED UPSIDE DOWN, CAUSING CONTACT BETWEEN THE RING AND LOWER SHOE OF THE MAIN ROTOR HUB. THE LOWER SHOE WAS DAMAGED.Jun 24, 1997 · Hughes 369DSDR HEEA0010194Bolt · missingDURING A GENERAL INSPECTION OF AIRCRAFT, FOUND ONE OF THE PILLOW BLOCK BOLTS MISSING FROM THE PILLOW BLOCK ASSEMBLY. INSTALLED 4 EACH NEW BOLTS AND NUTS AND A NEW BUSHING AND 3 NEW WASHERS WHERE BOLT WAS MISSING. SCRAPPED 3 EACH BOLTS.Jun 20, 1997 · N6251Y · Bell 206L3SDR HEEA0010129Bearing · wornSHOULDER OF THE BEARING WORN.Jun 16, 1997 · N22347 · Bell 412SDR CA970630003Bearing · cracked(CAN) WHEN REPLACING GRIPS FOR TX FOUND BEARING WITH A CRACKED SEPARATOR.Jun 13, 1997 · Bell 206BSDR 97ZZZX3600Flexure · debondedINSPECTION PRIOR TO INSTALLATION REVEALED SHEAR PAD TO BE DEBONDED. PART RECEIVED BAD FROM STOCK.Jun 12, 1997 · N219HM · Bell 222USDR HEEA0010083Cone · scoredM/R HEAD LOWER CONE TEFLON SCORED.Jun 11, 1997 · N23023 · Bell 412SDR 97ZZZX4129Link Assy · crackedMAIN ROTOR SYSTEM COLLECTIVE DRIVE LINK ASSY CRACKED. SEE AD 97-12-02 DATED 5-29-97 AND SB 900-056. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Jun 8, 1997 · N901CF · Doug MD900SDR 97ZZZX4089Fretting Buffer · defectiveMAIN ROTOR SYSTEMS MAIN ROTOR HUB REMOVED TO FACILITATE OTHER MAINTENANCE. REPLACED FRETTING BUFFER WITH NEW UNIT, CORRECTED PROBLEM.Jun 8, 1997 · N901CF · Doug MD900SDR 97ZZZX4088Fretting Buffer · defectiveMAIN ROTOR SYSTEM MAIN ROTOR HUB REMOVED TO FACILITATE OTHER MAINTENANCE WITH NEW UNIT, CORRECTED PROBLEM.Jun 8, 1997 · N901CF · Doug MD900SDR CHI1801Pin · slippedROTOR HEAD WAS INSPECTED WHILE IN THE SHOP FOR ROUTINE MAINTENANCE. IT WAS NOTED THAT THE YELLOW ARM WAS STIFF WHEN MOVED DOWN ITS HORIZONTAL AXIS (FLAPPING). DISASSEMBLY SHOWED THE LAG BEARING RACE ON THE HORIZONTAL PIN HAD MOVED OUTBOARD TILL IT TOUCHED THJun 3, 1997 · Boeing 234SDR CA970618014Starflex · cracked(CAN) TWO CRACKS IN CENTER SECTION OF STAR, AREA G1 PER MWC 62..20.00.601, FIG. 3. CRACKS EXTENDED DOWNWARD 21 AND 25 MM RESPECTIVELY AND AROUND BOTTOM EDGE AND CONTINUED INBOARD 2 AND 3 MM RESPECTIVELY.Jun 1, 1997 · Snias AS350BSDR HAIHEEA9928Control Rod · corrodedTUBES CORRODED BEYOND LIMITS. REPLACED WITH SERVICEABLE TUBES.May 28, 1997 · N7136J · Bolkms BO105SSDR HAIHEEA9927Control Rod · corrodedCORROSION FOUND AROUND COLLAR. REMOVED AND SCRAPPED CONTROL ROD. REPLACED WITH SERVICEABLE CONTROL ROD.May 28, 1997 · N3539T · Bolkms BO105SSDR 97ZZZX4121Support · crackedDROOP SUPPORT CRACKED AT MAIN ROTOR HEAD ATTACH AREA ON 2 MAIN ROTOR BLADES. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.May 22, 1997 · N901CF · Doug MD900SDR 97ZZZX4120Support · crackedDROOP SUPPORT CRACKED AT MAIN ROTOR HEAD ATTACH AREA ON 2 MAIN ROTOR BLADES. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.May 22, 1997 · N901CF · Doug MD900SDR 97ZZZX4119Support · crackedDROOP SUPPORT CRACKED AT MAIN ROTOR HEAD ATTACH AREA ON 2 MAIN ROTOR BLADES. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.May 22, 1997 · N901CF · Doug MD900SDR 97ZZZX4072Support · crackedDROOP SUPPORT CRACKED AT MAIN ROTOR HEAD ATTACH AREA ON 2 MAIN ROTOR BLADES. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.May 22, 1997 · N901CF · Doug MD900SDR 97ZZZX4071Support · crackedDROOP SUPPORT CRACKED AT MAIN ROTOR HEAD ATTACH AREA ON 2 MAIN ROTOR BLADES. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.May 22, 1997 · N901CF · Doug MD900SDR 97ZZZX4070Striker Plate · crackedHUB ASSEMBLY DROOP SUPPORT CRACKED AT MAIN ROTOR HEAD ATTACH AREA ON 2 MAIN ROTOR BLADES. REPLACED WITH 5 EACH NEW UNITS, CORRECTED PROBLEM.May 22, 1997 · N901CF · Doug MD900SDR CA970626015Bearing · chafed(CAN) AT 100-HOUR INSPECTION, THE MAIN ROTOR TEETER HINGE BEARING WAS FOUND CHAFED AND ELONGATED.May 14, 1997 · Robsin R22SDR HAIHEEA9833Frahm Assy · defectiveINTERNAL RUBBER BUMPER STRIP FELL OUT OF ASSEMBLY.May 12, 1997 · N407PH · Bell 407SDR 97ZZZX4428Hub · corrodedDEFECT DISCOVERED AT 1,200 HOUR INSPECTION. FOUND PITTING CORROSION I SPLINES OF TRUNNION. SUBMITTER STATES MANUFACTURER'S RECOMMENDED LUBRICANT NOT SUFFICIENT. RECOMMEND A SUFFICIENT LUBRICANT FOR THIS APPLICATION. MANUFACTURER SPECIFIES MIL-C-16173 GRADMay 9, 1997 · N365AL · Bell 206L3SDR 97ZZZX4125Link Assy · bindingMAIN ROTOR SYSTEM COLLECTIVE DRIVE ASSY DEFECT. COLLECTIVE BINDING AT LOW PITCH SETTINGS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.May 9, 1997 · N901CF · Doug MD900SDR 97ZZZX4124Link Assy · bindingMAIN ROTOR SYSTEM LINK ASSY COLLECTIVE DRIVE. COLLECTIVE BINDING AT LOW PITCH SETTINGS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.May 9, 1997 · N901CF · Doug MD900SDR HAIHEEA9814Hub Liner · pittedWHILE INSPECTING LOWER MAST BEARING, FOUND M/R HUB LINER PITTED.May 7, 1997 · N9214U · Doug MD900
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