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 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 COSDR ALGA100722Pitch Link · bindingBINDING, ROUGH AXIAL PLAY BEYOND MAX. REPLACED WITH NEW BY FIELD MAINTENANCE.SDR 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.SDR 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.SDR CA050307010Nut · incorrect(CAN) CAD PLATED NUT NAS1022AX8 INSTALLED INSTEAD OF DRY FILM LUBED NAS10222A8. THE NAS1022AX8 NUT FAILED DURING TORQUE UP, PART CRACKED.SDR ALGA100083Bearing · debondedELASTOMERIC BEARING COMPLETELY UNBONDED FROM SPINDLE / REPLACED WITH NEW/SERVICEABLE PART BY FIELD MAINTENANCE.SDR ALGA099103Bushing · migratedAT 500HR INSP FOUND BUSHING SLID OUT OF PLACE. POSSIBLE MANUFACTURER DEFECT. REPLACED WITH NEW OR SERVICEABLE PART BY O/H SHOP.SDR 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 THESDR 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)SDR 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 TYSDR 2004FA0000939Beam · crackedDURING 100 HOUR INSPECTION, FOUND FLEX BEAM CRACKED IN AREA OF LEG GOING INTO UPPER HUB. REPLACED PART WITH UPDATED SERVICEABLE PART.SDR 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 HRSSDR 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 HRSSDR ALGA098250Bearing · bindingBINDING, ROUGH, AND AXIAL PLAY BEYOND MAX. REPLACED W/NEW BY FLT MAINTENANCE.SDR TXER098345Spherical Stop · wornSHERICAL STOPS WORNSDR 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.SDR 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.SDR 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 ALSDR 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 ISSDR CA040819002Restraint · delaminated(CAN) DURING DAILY INSPECTION IT WAS NOTED THE FLAP RESTRAINT HAD BECOME DELAMINATED AT BEARING HOUSING.SDR 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.SDR 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.SDR 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.SDR 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.SDR 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.SDR ALGA096003Drive Link · debondedFOUND WEAR PLATE DEBONDED. ASSY. REPLACED BY FIELD MAINT.SDR 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.SDR 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 REASSEMBSDR KBM2004F00130Freq Adapter · cracked1 EA MAIN ROTOR FREQUENCY ADAPTER HAS A CRACK LENGTH BLISTER OUT OF LIMITS, SN 10659. REMOVED AND REPLACED.SDR ALGA094801Bearing · bindingEXCESSIVE AXIAL WEAR AND BINDING. REPLACED WITH NEW PART, BY FIELD MAINT.SDR 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.SDR 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.SDR CA040806005Bushing · loose(CAN) ALL 3 BUSHINGS FOUND LOOSE ON D.I. STARFLEX WAS REPLACED.SDR CA040723004Bushing · loose(CAN) ALL 3 BUSHINGS FOUND LOOSE ON D.I. STARFLEX WAS REPLACED.SDR ALGA094404Yoke · delaminatedFOUND DELAMINATION ON YOKE ARM. REPLACED WITH SERVICABLE PART.SDR ALGA094405Stud · crackedFOUND 8 CRACKED STUDS. REPLACED WITH NEW STUDS.SDR KBM2004F00053Bearing · wornBEARING FOUND WORN. REMOVED AND REPLACED.SDR 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 SDR ALGA094222Universal · wornFOUND EXCESSIVE AXIAL PLAY. REMOVED AND REPLACED WITH NEW PART IN FIELD.SDR ALGA094218Universal · ratchetingFOUND EXCESS AXIAL PLAY AND RATCHETY. UNIT REPLACED WITH NEW BY FIELD MAINT.SDR 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 HUBSDR TXER096035Spherical Stop · wornMAIN ROTOR SPHERICAL STOPS WORN.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.SDR 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.SDR 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.SDR 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.SDR 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.SDR 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.SDR ALGA094103Universal · ratchetingROUGH AND RATCHETY. REMOVED AND REPLACED WITH NEW PART.SDR AC2A097164Stud · crackedPART IS CRACKED WHERE THREADED AREA ATTACHES TO FLANGE. REPLACED STUD ASSEMBLY.
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