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 CA010208014Hub · cracked(CAN) DURING THE POST FLIGHT INSPECTION BY AME A FINE LINE WAS NOTICED ON THE UPPER DAMPER ATTACH LUG. THE LUG WAS PAINT STRIPPED AND A DEFINITE CRACK CAN BE SEEN. STARTING NEAR THE BOLT HOLE PROGRESSING INBOARD FOR APPROXIMATELY 1 1/4 INCH. THE MAIN ROTOR HUJan 24, 2001 · Skrsky S76ASDR CA010208016Grip · cracked(CAN) AIRCRAFT IS BEING IMPORTED INTO CANADA. CRACKS IN ROOT OF THREADS FOUND DURING EDDY CURRENT INSPECTION.Jan 22, 2001 · Bell 47J2SDR 20010130CW005Yoke · crackedH.A.S. REPLACED WITH NEW YOKE FROM BELL HELICOPTER. A 1.5 LONG CRACK WAS FOUND ON TOP OF THE YOKE AT STATION 31.Jan 16, 2001 · N430TX · Bell 430SDR CA010511027Hub · cracked(CAN) FOUND CRACKED IN THREADED AREA AFTER EDDY CURRENT INSPECTION WHILE CARRYING OUT AD, CF-1988-08R1.Jan 15, 2001 · Bell 47G4ASDR 2001F00524Ball Joint · wornTEFLON LINERS WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT CORRECTED PROBLEM. (M)Jan 9, 2001 · N3593X · Snias AS350BSDR 20010502CW009Ball Joint · wornWORN BEYOND SERVICEABLE LIMITS. REMOVED AND REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Jan 6, 2001 · N52285 · Snias AS350B3SDR AC2A072807Shear Restraint · delaminatedDELAMINATING FROM SHAFT REPLACED SHEAR RESTRAINT.Jan 1, 2001 · N430CH · Bell 430SDR AC2A072804Yoke · crackedSPAN-WISE CRACK 12 INCHES FROM CENTER. REPLACED.Jan 1, 2001 · N430CH · Bell 430SDR AC2A072803Yoke · crackedSPAN-WISE CRACK ON TOP APPROX 12 INCHES FROM CENTER. REPLACED.Jan 1, 2001 · N430CH · Bell 430SDR R7MR33409Bushing · wornWORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Dec 29, 2000 · N117MA · Bolkms BK117A4SDR AU001201Yoke · cracked(AUS) MAIN ROTOR YOKE CRACKED IN THE AREA DESCRIBED IN AD/R22/49.Dec 20, 2000 · Robsin R22ALPHASDR 20010123CW009Hub · debondedRUBBER DEBONDED IN FLIGHT, M/R HUB DAMPER ELASTOMERIC.Dec 19, 2000 · N407BR · Bell 407SDR CA010108019Hub · torn(CAN) DURING SHUTDOWN PILOTS NOTICED A WHISTLING SOUND COMING FROM MAIN ROTOR BLADES. DURING A VISUAL INSPECTION AFTER ROTORS HAD STOPPED A POCKET LOWER SKIN WAS SEEN TO BE MISSING. ROTOR BLADE WAS REPLACED AND THE AIRCRAFT RETURNED TO SERVICE.Dec 6, 2000 · Skrsky S61NSDR AU001151Hub · cracked(AUS) MAIN ROTOR HUB SEVERELY CRACKED IN AN AREA NOT KNOWN FOR CRACKING. FOLLOWING TAKEOFF CONTROL WAS ALMOST IMPOSSIBLE AND THE MASSIVE VIBRATION CAUSED THE FORE/AFT ENGINE MOUNT TO BE TORN FROM ITS HOUSING AND THE SHAFT TO CRACK. THE CRACK WAS OPENINGUP UNDEDec 5, 2000 · Hiller UH12ESDR CA010103002Hub · worn(CAN) AFTER NOTICING A RAPID INCREASE IN VIBRATION WE TRIED TO DYNAMICALLY BALANCE THE MAIN ROTOR. SINCE WE WERE UNABLE TO BE WITHIN RECEPTACLE LIMITS, WE REMOVED THE MAIN ROTOR HEAD AND ROTOR BLADES FOR FURTHER INSPECTION. WE FOUND THE HUB HOLE ENLARGED, THE Dec 4, 2000 · Robsin R44SDR 20001214SH032Spring · brokenANTI-VALVE ASSY SPRING IS BROKEN. (X)Dec 2, 2000 · N37SH · Snias AS350BSDR R7MA312832477Starflex · wornSTARFLEX, OUTBOARD BUSHINGS WORN AND LOOSE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Nov 25, 2000 · N103LN · Snias AS350B3SDR 20001215SH031Bearing · delaminatedMAIN ROTOR CENTERING BEARIN ASSY , DELAMINATION. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)Nov 17, 2000 · N901CF · Doug MD900SDR 20001206SH014Bearing · corrodedDURING 500-HOUR INSPECTION, FOUND CORROSION ON THE SPHERICAL THRUST BEARING HOLES. NOTED MASTINOX WAS NOT USED AT THE TIME OF ASSEMBLY. REF: S/N''S LK3520, LK3544, LK3678. (X)Nov 7, 2000 · N5204J · Snias AS350B2SDR 20001206SH013Adapter · corrodedDURING 500-HOUR INSPECTION, FOUND CORROSION IN BOLT HOLES OF FREQUENCY ADAPTER. NOTED MASTINOX WAS NOT USED AT THE TIME OF ASSEMBLY. (X)Nov 7, 2000 · N5204J · Snias AS350B2SDR 20001206SH012Flange · corrodedDURING 500-HOUR INSPECTION, FOUND CORROSION ON LOWER SLEEVE FLANGE. NOTED MASTINOX WAS NOT USED AT THE TIME OF ASSEMBLY. REF: S/N M4413, M4415, M4417. (X)Nov 7, 2000 · N5204J · Snias AS350B2SDR 20001206SH011Flange · corrodedDURING 500-HOUR INSPECTION, FOUND CORROSION ON UPPER SLEEVE FLANGE HOLES. NOTED MASTINOX WAS NOT USED AT THE TIME OF ASSEMBLY. (X)Nov 7, 2000 · N5204J · Snias AS350B2SDR 20001206SH010Bolt · corrodedDURING 500-HOUR INSPECTION, FOUND CORROSION ON SLEEVE ATTACHING BOLTS. NOTED MASTINOX WAS NOT USED AT THE TIME OF ASSEMBLY. REF: S/NS 6327, 6329, 6339, 6343, 6370, AND 6380. (X)Nov 7, 2000 · N5204J · Snias AS350B2SDR 20001113SH006Hub · crackedPRIOR TO THE INSTALLATION OF MAIN ROTOR HEAD ASSY, SN 493, AD 73-20-03 WAS ACCOMPLISHED. THE MAIN ROTOR HUB, SN 493, WAS FOUND CRACKED INSIDE THE HUB IN THE AREA OF THE CONTROL ROTOR STUDS. METHOD OF INSPECTION WAS DYE PENETRANT. THE ASSY RECORDS INDICATE TOct 27, 2000 · Hiller UH12ESDR CA001107011Main Rotor · delaminated(CAN) DELAMINATION DETECTED WITH REFERENCE TO EUROCOPTER AS350 MAINTENANCE WORK CARD 62.20.00.601 PARAGRAPH 4.3 (ILLUSTRATION FIGURE 5, DETAIL A, LOCATION ON PART AT DETAIL N). PENETRATION WITH A 010 INCH FEELER GAUGE TO A DEPTH OF APPROXIMATELY .75 INCH DETOct 26, 2000 · Snias AS350BASDR 20001107SH017Bearing · debondedCENTERING BEARING ASSY, MAIN ROTOR, DEBONDING. (X)Oct 16, 2000 · N901CF · Doug MD900SDR 20001215SH030Bearing · delaminatedMAIN ROTOR ENTERING BEARING ASSY, DELAMINATION. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)Oct 13, 2000 · N901CF · Doug MD900SDR CA001026020Hub · cracked(CAN) UPON PURCHASE OF THIS AIRCRAFT AND DISASSEMBLED FOR INSPECTION AND RE-FURBISHING, THE MAIN ROTOR HEAD ASSEMBLY WAS FOUND CRACKED AT THE FOLLOWING LOCATION THE LOWER ATTACHMENT EAR FOR THE MAIN ROTOR DAMPER (RED POSITION). (X)Oct 2, 2000 · Skrsky S76ASDR CA001026019Bearing · separated(CAN) UPON PURCHASE OF THIS HELICOPTER AND DISASSEMBLY FOR INSPECTION AND RE-FURBISHING, THE BLUE POSITION M/R SPINDLE, RETENTION BEARING AND THRUST BEARING WERE REMOVED AS A COMPLETE UNIT. THE AFT BASE END OF THE THRUST BEARING, APPROX .75 INCH, WAS FOUND SEOct 2, 2000 · Skrsky S76ASDR 20001107SH016Bearing · debondedCENTER BEARING ASSY, MAIN ROTOR, DEBONDING. (X)Oct 1, 2000 · N901CF · Doug MD900SDR 20001019SH032Bearing · failedDURING MAINTENANCE CHECKS, WHITE M/R BLADE TRUNNION BEARING GREASE WAS FOUND TO BE DARKER THAN RED BLADE. GRAY/RED IN COLOR. REMOVED AND REPLACED M/R TRUNNION BEARINGS WITH NEW BEARINGS. WHILE BLADE BEARING SHOWS SIGNS OF ADVANCED BRINNELLING. SUBMITTER STSep 28, 2000 · N911VR · Bell 212SDR 20001019SH002Bolt · brokenBROKEN BOLT FOUND ON PRE-FLIGHT INSPECTION. HELICOPTER IS USED FOR MULTIPLE ROLES INCLUDING PERSONNEL TRANSPORT, EXTERNAL LOAD, WATER DROPPING, AND RECONNAISSANCE. CAUSE IS UNKNOWN AT THIS TIME, BUT IS BEING DETERMINED. (X)Sep 25, 2000 · N13HF · Snias AS350B1SDR CA000907002Pin · worn(CAN) DURING MAINTENANCE TEARDOWN, PINS FOUND TO HAVE MECHANICAL WEAR AND REPLACED. (X)Aug 21, 2000 · Bell 206L1SDR 20001206SH025Support Bracket · fracturedPILOT EXPERIENCED A MAIN ROTOR VIBRATION WHICH SUBSEQUENTLY BECAME SEVERE DURING CRUISE FLIGHT. PILOT MADE A LANDING AT NEAREST AIRPORT, DURING SHUT DOWN OF ENGINES, VIBRATION WENT AWAY. INVESTIGATION OF MAIN ROTOR SYS NOTED THE LOWER PENDULUM OF ONE OF THE Aug 14, 2000 · N222UT · Bell 222USDR 20001108SH002Bearing · debondedMAIN ROTOR CENTER BEARING ASSEMBLY IS DEBONDING. (X)Aug 13, 2000 · N901CF · Doug MD900SDR 20000818SH002Hub · corrodedON DAILY INSPECTION, FRETTING SUSPECTED BETWEEN M/R GRIPS AND PITCH HORNS. THE TORQUE WAS CHECKED ON ALL FOUR MAIN ROTOR GRIP RETAINING BOLTS. ALL FOUR FAILED THE TORQUE CHECK. DISASSEMBLED M/R GRIPS AND FOUND BUFFER PADS TO BE LOOSE, DISTORTED, AND EVIDENCAug 1, 2000 · N141CF · Bell 222USDR 20000829SH017Nut · unserviceableNUT P/N 12NH-8 AND P/N EB080. LOOSE TORQUE IF INSTALLED IAW ASB 222U-98-54, ASB HAS NO WASHER INSTALLED UNDER THE HEAD OF THE NUT. THE NUT BECOMES DEFORMED AND LOSES TORQUE. CORRECTED ASB 222U-98-54 TO SHOW A WASHER P/N 140-007-33-28=3, AND NEW NUT P/N 7594Jul 31, 2000 · N911ED · Bell 222USDR CA000810015Starflex · cracked(CAN) STAR FOUND CRACK IN YELLOW. P STAR FLEX REPLACED.Jul 20, 2000 · Snias AS350DSDR 20000801SH022Ball Joint · wornTEFLON LINERS WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)Jul 11, 2000 · N53LH · Aerosp AS355F1SDR 20001019SH031Bearing · failedDURING A POST-FLIGHT INSPECTION, DARK BLACK GREASE WAS FOUND ON THE M/R TRUNNION. REMOVED AND DISASSEMBLED M/R TRUNNION. ONE TRUNNION BEARING HAD TOTALLY FAILED. INNER AND OUTER RACES WERE BROKEN. (X)Jul 10, 2000 · N911KW · Bell 212SDR 20001218SH004Pin · brokenVISUAL INSPECTION REVEALED BROKEN PIN. (X)Jul 7, 2000 · N502CH · Hughes 369DSDR AC2A0000066Hose · bindingWHILE INSPECTING M/R DAMPERS, THE BLACK DAMPER HOSE WAS FOUND BINDING WHEN THE DAMPER WAS ROTATED. THE INBOARD FERREL WAS ALSO FOUND TURNING WHEN HOSE WAS ROTATED. REPLACED HOSE, THE BAD NOSE WAS FOUND TO BE .50 INCH SOFTER THAN THE NEW HOSE. (X)Jul 6, 2000 · N72649 · Skrsky S76ASDR 20000816SH034Adapter · tornFREQUENCY ADAPTER TORN. REMOVED AND REPLACED FREQUENCY ADAPTER PAIR. (X)Jul 6, 2000 · N365WM · Aerosp AS365N2SDR 20000816SH033Adapter · tornFREQUENCY ADAPTER, SN 17143, TORN. REMOVED AND REPLACED FREQUENCY ADAPTER PAIR. (X)Jul 6, 2000 · N365WM · Aerosp AS365N2SDR 20000807SH015Pitch Horn · corrodedAT FIRST OVERHAUL OF MAIN ROTOR HUB ASSEMBLY, CORROSION PITTING UNDER BUMPER PLATES. (X)Jun 28, 2000 · N627AL · Bell 407SDR 20000807SH014Pitch Horn · corrodedAT FIRST OVERHAUL OF MAIN ROTOR HUB ASSEMBLY, CORROSION PITTING UNDER BUMPER PLATES. (X)Jun 28, 2000 · N627AL · Bell 407SDR AC2A0000065Bolt · defectivePART IS DEFECTIVE. BOLT HEAD HAS SEVEN SIDES INSTEAD OF THE USUAL SIX. PART TT IS 311.0 HOURS SINCE NEW. REPLACED BOLT. (X)Jun 22, 2000 · N5366Y · Bolkms BO105SSDR AU000500Cuff · cracked(AUS) MAIN ROTOR CUFF CRACKED FROM BOLT HOLE. CRACK LENGTH 10MM (0.393IN). FOUND DURING DYE PENETRANT INSPECTION IAW AD/HIL12/17(SB 36-1).Jun 21, 2000 · Hiller UH12ESDR AU000523Bolt · wrong part(AUS) MAIN ROTOR HUB LATCH BOLTS HAD UNKNOWN HISTORY AND WERE REPLACED. THE LATCH BOLTS WERE SERIAL NUMBERED FOR USE ON BELL 206L TYPE AIRCRAFT AND HAVE A 1200 HOUR LIFE. (X)Jun 19, 2000 · Bell 206B3SDR AU000482Trunnion · damaged(AUS) MAIN ROTOR TRUNNION FAULTY. MAST AND SPLIT CONES ALSO REPLACED.Jun 1, 2000 · Bell 206B3
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