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 CA050518005Spring · broken(CAN) DURING AN DI CONDUCTED BY A ENGINEER, A BROKEN SPRING WAS DISCOVERED UNDER THE CHINESE HAT.THE SPRING WAS REPLACED WITH NEW. THE OTHER SPRINGS WERE INSPECTED AND NO DEFECTS WERE FOUND. THE SPRING WHICH WAS BROKEN, SHOWED SIGNS OF A CRACK WHICH FINALLY COApr 21, 2005 · Snias AS350B3SDR ALGA100722Pitch Link · bindingBINDING, ROUGH AXIAL PLAY BEYOND MAX. REPLACED WITH NEW BY FIELD MAINTENANCE.Apr 20, 2005 · N937AL · Bell 407SDR CA050303014Grip · cracked(CAN) ROTOR GRIP WAS SUBMITTED FOR NDT TESTING IAW AD 2001-17-17 AND WAS REJECTED DUE TO CRACKING IN THE ADAPTER NUT THREAD AREA. GRIP WAS NEW AND HAD ONLY ACCUMULATED 196.9 HOURS SINCE NEW.Mar 3, 2005 · Bell 47G4ASDR CA050303015Grip · cracked(CAN) MAIN ROTOR GRIP WAS REMOVED TO COMPLY WITH AD 2001-17-17 AND WAS REJECTED DUE TO CRACKING INDICATIONS IN THE THREADS OF THE ADAPTER NUT AREA.Mar 3, 2005 · Bell 47G4ASDR CA050307010Nut · incorrect(CAN) CAD PLATED NUT NAS1022AX8 INSTALLED INSTEAD OF DRY FILM LUBED NAS10222A8. THE NAS1022AX8 NUT FAILED DURING TORQUE UP, PART CRACKED.Feb 24, 2005 · Bell 412SDR ALGA100083Bearing · debondedELASTOMERIC BEARING COMPLETELY UNBONDED FROM SPINDLE / REPLACED WITH NEW/SERVICEABLE PART BY FIELD MAINTENANCE.Feb 5, 2005 · N5NBGS · Bell 412SDR ALGA099103Bushing · migratedAT 500HR INSP FOUND BUSHING SLID OUT OF PLACE. POSSIBLE MANUFACTURER DEFECT. REPLACED WITH NEW OR SERVICEABLE PART BY O/H SHOP.Jan 25, 2005 · N512AL · Urocop EC120BSDR CA051118002Clevis · mismanufacturedTHE LOCKING CHANNEL FOR THE KEY IS NOT COMPLETELY MACHINED WHICH RESULTS IN NOT BEING ABLE TO FULLY ADJUST THE PITCH ROD ASSY. SEE ATTACHED PHOTOGRAPHS NR 2 IS A CORRECTLY MACHINED CHANNEL AND NR 1 IS THE FAULTY PART IN QUESTION. THE PART WAS RETURNED TO THEJan 17, 2005 · Skrsky S61NSDR MDR02BO2005Nut · crackedUPON INSPECTION AND MAINTENANCE OF MAIN ROTOR HEAD ASSY, SUBCOMPONENT (UPPER QUAD NUT) WAS SENT TO VENDOR FOR MAG PARTICLE INSPECTION AND SUBSEQUENTLY WAS REJECTED. THIS CONDITION HAS BEEN REPORTED TO MFG FOR INVESTIGATION AND ANALYSIS OF CAUSE. (K)Jan 10, 2005SDR 2005FA0000340Bearing Race · cracked(MDR05-072) THE MRH SLEEVE AND SPINDLE ASSY DEVELOPED AN OIL LEAK WHILE ON AIRCRAFT AND WAS NOTED DURING ROUTE INSPECTION. UPON REMOVAL AND REPLACEMENT WITH A SERVICEABLE ASSY, A CRAK WAS FOUND ON THE INNER RACE. VISUAL INSPECTION SHOWS WEAR AND CORROSION TYJan 10, 2005 · N158AC · Skrsky S64FSDR 2004FA0000939Beam · crackedDURING 100 HOUR INSPECTION, FOUND FLEX BEAM CRACKED IN AREA OF LEG GOING INTO UPPER HUB. REPLACED PART WITH UPDATED SERVICEABLE PART.Dec 16, 2004 · N902PD · Doug MD900SDR 2004FA0000940Hub · crackedDURING ACCOMPLISHMENT OF A.D. 2002-10-05 " MAIN ROTOR UPPER HUB INSP." FOUND (3) OUT OF (10) BOLT HOLES CRACKED AS DEPICTED IN MD HELICOPTERS SERVICE BULLETIN 900-072. PART TOTAL TIME: 292 HRSDec 16, 2004 · N902PD · Doug MD900SDR 2004FA0000938Hub · crackedDURING ACCOMPLISHMENT OF AD 2002-10-05 "MAIN ROTOR UPPER HUB INSP" FOUND BOLT HOLES CRACKED AS DEPICTED IN MD HELICOPTERS SERVICE BULLETIN 900-072. PART TOTAL TIME: 1852 HRSDec 16, 2004 · Doug MD900SDR ALGA098250Bearing · bindingBINDING, ROUGH, AND AXIAL PLAY BEYOND MAX. REPLACED W/NEW BY FLT MAINTENANCE.Nov 25, 2004 · N437AL · Bell 407SDR TXER098345Spherical Stop · wornSHERICAL STOPS WORNOct 29, 2004 · N151TA · Aerosp AS355*SDR CA041210001Stud · cracked(CAN) ALL EIGHT STUDS (STATIC STOPS) FOUND CRACKED ON INSPECTION. MAINTENANCE CREWS REPORT LOWER STUDS ARE ALWAYS FOUND TO BE CRACKED ANY TIME THEY ARE INSPECTED. PROBLEM IS COMMON THROUGHOUT FLEET OF SEVEN BELL 407 HELICOPTERS.Oct 25, 2004 · Bell 407SDR 2004FA0000877Rotor Head · crackedHAD VIBRATION (.7 IPS) CAUTION ON IDS DURING FLIGHT AND HIGH VIBRATION ON SHUT DOWN BETWEEN 30-40 PERCENT NR. INSPECTED MAIN ROTOR SYSTEM IAW MAINTENANCE MANUAL AND FOUND (3) OUT OF (5) FLEXBEAMS CRACKED. REPLACING FLEXBEAMS WITH NEW UPDATED FLEXBEAMS.Oct 12, 2004 · N3PD · Doug MD900SDR CA040909005Pitch Link · broken(CAN) DURING CRUISE FLIGHT PILOT FELT SUDDEN VIBRATION IN THE M/R FLIGHT CONTROLS SYSTEM. A/C LANDED AT FIRST SUITABLE SITE. UPON INSPECTION, AME DISCOVERED THAT THE 'SCREW IN' RETAINING CUPS ON ONE OF THE M/R PITCH LINKS LOWER ROD ENDS DISINTEGRATED THUS ALSep 5, 2004 · Aerosp AS355F1SDR ALG2004F00047Rotor · overtorquedIN A HOVER, WAS AT A HOVER ABOUT TO TAKE OFF WHEN EVERYTHING STARTED SPEEDING UP, LOOKED AT THE TORQUE GAUGE AND SAW 120 PERCENT TORQUE, IMMEDIATELY LOWERED THE COLLECTIVE AND LANDED, AS LOWERED THE COLLECTIVE AND EVERYTHING RETURNED TO NORMAL. MAINTENANCE ISAug 25, 2004 · N174AL · Bell 206L4SDR CA040819002Restraint · delaminated(CAN) DURING DAILY INSPECTION IT WAS NOTED THE FLAP RESTRAINT HAD BECOME DELAMINATED AT BEARING HOUSING.Aug 8, 2004 · Bell 206BSDR ERAA098181Transducer · inoperativeBIM COMES ON WHEN NR IS 80 PERCENT AND GOES OUT WHEN NR IS 80 PERCENT ALL BLADE SPAR PRESSURE GOOD. CONTACTS WERE CLEANED AND ADJUSTED, CONNECTOR V/S ACTION TAKEN: INSPECTED REPAIRED ADJUSTED CONNECTOR AND O-RINGS REPLACED POST REPAIR FUNCTION TEST.Jul 26, 2004 · N562EH · Skrsky S61NSDR 2004FA0000876Rotor Head · crackedDURING ACCOMPLISHMENT OF AD 2002-10-05, "MAIN ROTOR UPPER HUB INSP", FOUND (2) OUT OF (10) HOLES CRACKED IN UPPER HUB FLANGE AS DEPICTED IN MD HELICOPTERS SERVICE BULLETIN 900-072 PART TOTAL TIME: 91.23 HRS.Jul 19, 2004 · N3PD · Doug MD900SDR 2004FA0000578Hub · crackedDURING ACCOMPLISHMENT OF A.D. 2002-10-05, (MAIN ROTOR UPPER HUB INSP.) FOUND (2) OUT OF (10) HOLES CRACKED IN UPPER HUB FLANGE AS DEPICTED IN MFG SERVICE BULLETIN 900-072.Jul 19, 2004 · N3PD · Doug MD900SDR CA040726008Starflex · unserviceable(CAN) STARFLEX ARM END BUSHING ON YELLOW BLADE ARM BECAME LOOSE AROUND ADHESIVE JOINT OF CARBIDE BUSH AND A GAP, BEYOND SERVICEABLE LIMITATIONS, DEVELOPED. STARFLEX REPLACED WITH NEW PART IAW AS 350MWC.Jul 18, 2004 · Snias AS350B2SDR CA040727014Spherical Stop · unserviceable(CAN) SEPARATION OF ELASTAMERIC NOTICED VISUALLY DURING (S) TYPE INSPECTION. VERY TOP MOST OB LAMINATION OF THE SHERICAL STOP WAS NOTED TO EXCEED PUBLISHED LIMITS. NO MENTION OF INFLIGHT VIBRATIONS. THE PART WAS REPLACED.Jul 15, 2004 · Snias AS350B2SDR ALGA096003Drive Link · debondedFOUND WEAR PLATE DEBONDED. ASSY. REPLACED BY FIELD MAINT.Jul 7, 2004 · N514AL · Urocop EC120BSDR ALGA095233Hub · damagedLIGHTNING STRIKE INSPECTION, FOUND ARCING ON YELLOW PITCH CHANGE ROD AND ON HUB SPLINE. ALSO, FOUND VARIOUS LOCATIONS ON HUB ASSY WITH HIGH MAGNETISM.Jun 10, 2004 · N512AL · Urocop EC120BSDR ERAA097097Bearing · damagedPIVOT BEARING BROKEN IN HALF. CAME IN CONTACT WITH M/R FITTING WHEN PIVOT BEARING BROKE. NO DEFECTS NOTED ON SPINDLE. PIVOT BEARING BROKEN. REMOVED PITCH HORN FROM SPINDLES BROKEN PIVOT BEARING, CLEANED AND INSPECTED PARTS. C/W NDT OF SPINDLE AND REASSEMBJun 7, 2004 · N164EH · Bell 412SDR KBM2004F00130Freq Adapter · cracked1 EA MAIN ROTOR FREQUENCY ADAPTER HAS A CRACK LENGTH BLISTER OUT OF LIMITS, SN 10659. REMOVED AND REPLACED.May 31, 2004 · N1188P · Snias AS350BASDR ALGA094801Bearing · bindingEXCESSIVE AXIAL WEAR AND BINDING. REPLACED WITH NEW PART, BY FIELD MAINT.May 25, 2004 · N408AL · Bell 407SDR ERAA097105Rotor Head · leakingLEAKING INBOARD SEAL. SEALS WORN, WEAR RINGS GROOVED, FLAT WASHERS WARPED. DISASSEMBLED TO FACILITATE INBOARD SEAL REPLACEMENT. VISUALLY INSPECTED AND FOUND SLIGHT CORROSION, REPAIRED.May 24, 2004 · N133EH · Bolkms BO105SSDR ERAA097104Bolt · galledBLADE BOLT GALLED SLIGHT GALLING ON BOTH BOLTS ACTION TAKEN. SCRAPPED BOTH PRIMARY BLADE BOLTS DUE TO GALLING BEYOND LIMITS IAW BO-105 MM CH 13.May 24, 2004 · N135EH · Bolkms BO105ASDR CA040806005Bushing · loose(CAN) ALL 3 BUSHINGS FOUND LOOSE ON D.I. STARFLEX WAS REPLACED.May 17, 2004 · Aerosp AS355F2SDR CA040723004Bushing · loose(CAN) ALL 3 BUSHINGS FOUND LOOSE ON D.I. STARFLEX WAS REPLACED.May 17, 2004 · Aerosp AS355F2SDR ALGA094404Yoke · delaminatedFOUND DELAMINATION ON YOKE ARM. REPLACED WITH SERVICABLE PART.May 5, 2004 · N408AL · Bell 407SDR ALGA094405Stud · crackedFOUND 8 CRACKED STUDS. REPLACED WITH NEW STUDS.May 5, 2004 · N408AL · Bell 407SDR KBM2004F00053Bearing · wornBEARING FOUND WORN. REMOVED AND REPLACED.Apr 30, 2004 · N230SH · Snias AS350BASDR 2004F00102Strap · brokenMAIN ROTOR BONDING STRAP BROKEN. THIS IS A CONSTANT PROBLEM, PORTION OF THE STRAP WHICH CONTINUES TO BREAK IS MADE OF COPPER. THIS END OF THE STRAP BOLTS TO A STAINLESS STEEL CONNECTION WHICH NEVER BREAKS. THE ENDS OF THE BONDING STRAPS SHOULD BE MADE OF A Apr 28, 2004 · N521RC · Agusta A119SDR ALGA094222Universal · wornFOUND EXCESSIVE AXIAL PLAY. REMOVED AND REPLACED WITH NEW PART IN FIELD.Apr 21, 2004 · N697AL · Bell 407SDR ALGA094218Universal · ratchetingFOUND EXCESS AXIAL PLAY AND RATCHETY. UNIT REPLACED WITH NEW BY FIELD MAINT.Apr 21, 2004 · N457AL · Bell 407SDR 2004FA0000324Hub · crackedDURING ACCOMPLISHMENT OF AD 2002-10-05 (MAIN ROTOR UPPER HUB INSPECTION), FOUND (3) OUT OF (10) BOLT HOLES TO BE CRACKED AS DEPICTED IN MFG SERVICE BULLETIN 900-072. CRACKS START IN BOLT HOLE CHAMFER. PART TOTAL TIME: 102.0HOURS. REMOVED AND REPLACED UPPER HUBApr 21, 2004 · N3PD · Doug MD900SDR TXER096035Spherical Stop · wornMAIN ROTOR SPHERICAL STOPS WORN.Apr 17, 2004 · N118TA · Aerosp AS355*SDR 2004FA0000801Hub · crackedDURING ACCOMPLISHMENT OF AD 2002-10-05, MAIN ROTOR UPPER HUB INSP. FOUND (3) OUT OF (10) BOLT HOLES CRACKED AS DEPICTED IN SB 900-072. CRACKS START IN BOLT HOLE CHAMFER. PART TOTAL TIME: 102.0 HRS.Apr 13, 2004 · N3PD · Doug MD900SDR 2004FA0000308Swashplate · incorrectRECEIVED SWASHPLATE ASSY FROM VENDOR OVERHAUL SHOP. DURING INSTALLATION FOUND LEVER (PN 206-010-467-001) WAS INSTALLED UP-SIDE-DOWN. ALSO FOUND SHIMS (PN 206-010-463-005) WERE NET STACKED EVENLY. PROBABLE CAUSE: WORKMANSHIP AND QA PROBLEM.Apr 13, 2004 · N383SH · Bell 206L3SDR 2004FA0000331Hub · crackedDURING ACCOMPLISHMENT OF AD 2002-10-05 (MAIN ROTOR UPPER HUB INSP.) FOUND (3) OUT OF (10) BOLT HOLES CRACKED AS DEPICTED IN SERVICE BULLETIN 900-072. CRACKS START IN BOLT HOLE CHAMFER. PART TOTAL TIME: 102 HRS.Apr 13, 2004 · N3PD · Doug MD900SDR 2004FA0000332Hub · crackedDURING ACCOMPLISHMENT OF AD2002-10-05 (MAINROTOR UPPER HUB INSP.) FOUND (3) OUT OF (10) BOLT HOLES CRACKED AS DEPICTED IN MFG SERVICE BULLETIN 900-072. CRACKS START IN BOLT HOLE CHAMFER. PART TOTAL TIME: 102.0 HRS.Apr 13, 2004 · N3PD · Doug MD900SDR 2004FA0000323Hub · crackedDURING ACCOMPLISHMENT OF AD2002-10-05 (MAINROTOR UPPER HUB INSP.) FOUND (3) OUT OF (10) BOLT HOLES CRACKED AS DEPICTED IN MFG SERVICE BULLETIN 900-072. CRACKS START IN BOLT HOLE CHAMFER. PART TOTAL TIME: 102.0 HRS.Apr 13, 2004 · N3PD · Doug MD900SDR 2004FA0000322Hub · crackedDURING ACCOMPLISHMENT OF AD2002-10-05 (MAIN ROTOR UPPER HUB INSP.) FOUND (3) OUT OF (10) BOLT HOLES CRACKED AS DEPICTED IN MFG SERVICE BULLETIN 900-072. CRACKS START IN BOLT HOLE CHAMFER. PART TOTAL TIME: 102.0 HRS.Apr 13, 2004 · N3PD · Doug MD900SDR ALGA094103Universal · ratchetingROUGH AND RATCHETY. REMOVED AND REPLACED WITH NEW PART.Apr 8, 2004 · N436AL · Bell 407SDR AC2A097164Stud · crackedPART IS CRACKED WHERE THREADED AREA ATTACHES TO FLANGE. REPLACED STUD ASSEMBLY.Apr 4, 2004 · N430CT · Bell 430
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