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 95ZZZX5098Bearing · wornSPHERICAL THRUST BEARINGS WORN BEYOND LIMITS. REPLACED THRUST BEARINGS.SDR 95ZZZX5097Bearing · wornSPHERICAL THRUST BEARINGS WORN BEYOND LIMITS. REPLACED THRUST BEARINGS.SDR 95ZZZX5096Bearing · wornSPHERICAL THRUST BEARINGS WORN BEYOND LIMITS. REPLACED THRUST BEARINGS.SDR HEED95278Piston Rod · excess wearEXCESSIVE WEAR IN THE CYLINDER HEAD SEAL RIDE AREA. NOTE: TT: UNK TTSI: 124.20 REPLACE PART WITH REWORKED , TSO:-0- PARTSDR HEED95240Spring · separationM/R FLAPPING SPRING SEPERATION. ORDERED NEW UNITSDR HEED95239Flapping Spring · separationFLAPPING SPRING SEPERATION. ORDERED NEW UNITSDR 95ZZZX3748Blade Pin · fracturedAT 100-HOUR INSPECTION, THE PIN WAS DISCOVERED BROKEN WHERE THE CLIP LOCKS ON THE SHAFT. SEE MDHC SOR NR 300155.SDR HEEA955294Washer · deteriorationMATERIAL DETERIORATION CAUSING EXCESSIVE LOAD. LOWERED TORQUE ON ADJUSTMENT SCREWS AND LOWERED PRELOAD ON THRUST PLUGS.SDR HEEA955290Pin Strap · seals faultySTRAPS S/N LK7796 AND LK7807 REMOVED DUE TO 2 YEAR RETIREMENT AS PER AD 78-11-02R1. AT DISASSEMBLY FOUND 1 EACH PILLOW BLOCK SEAL P/N 450351 DAMAGED. FOUND GRIP SEALS LEAKING AND RETAINER LOOSE. FOUND TRUNNION PLUGS DETERIORATED. PIN SERIALNUMBERS REMOVED SDR HEEA955289Strap · seals defectiveSTRAPS S/N LK7796 AND LK7807 REMOVED DUE TO 2 YEAR RETIREMENT AS PER AD 78-11-02R1. AT DISASSEMBLY FOUND 1 EACH PILLOW BLOCK SEAL P/N 450351 DAMAGED. FOUND GRIP SEALS LEAKING AND RETAINER LOOSE. FOUND TRUNNION PLUGS DETERIORATED.SDR HEEA955286Yoke · failedBEARING JOURNALS ON YOKE BREAKING DOWN ALONG WITH FOUR BEARINGS P/N 206-011-118-001 AND TWO EACH TRUNNION BEARING/RACE ASSEMBLIES P/N 206-011-111-001. GREASE REMOVED FROM M/R WAS PARTIALLY LIQUEFIED AND CONTAMINATED WITH METAL PARTICLES. TOTAL TIME ON ALL PARSDR HEEA955280Yaw Dampers · wornFOUND LH END PLATES HAD A LOT OF PLAY DURING 100 HOUR INSPECTION. FOUND PLAY TO BE AT LH YAW DAMPER SHAFT AT INBOARD SIDE.SDR HEEA955250Piston · defectiveADJUSTMENT SCREW OF CHECK VALVES NOT FLUSH.SDR 95ZZZX5734Bearing · blisteredBLUE SPHERICAL THRUST BEARING BLISTERED. INSTALLED 2 EACH SERVICEABLE SPHERICAL THRUST BEARINGS.SDR 95ZZZX5733Bearing · blisteredBLUE SPHERICAL THRUST BEARING BLISTERED. INSTALLED 2 EACH SERVICEABLE SPHERICAL THRUST BEARINGS.SDR 95ZZZX5080Rod Assy · bearing looseBEARING LOOSE AND RUSTED. REMOVED AND REPLACED.SDR 95ZZZX4373Freq Adapter · splitYELLOW FREQUENCY ADAPTER HAS SPLIT CASING. REMOVED AND REPLACED.SDR HEEA955168Damper · making metalMETAL FOUND IN CYLINDER AND VALVE ASSY PLUG TANGS WORN OFF.SDR HEEA955167Damper · making metalMETAL PARTICLES IN FLUID AND CYLINDER, ALSO VALVE ASSY PLUG TANGS WORN OFF.SDR HEEA955166Damper · wornM/R DAMPER HAS WEAR GROOVE ON INNER CYLINDER WALL.SDR HEEA955165Damper · wornM/R DAMPER HAS WEAR GROOVE ON INNER CYLINDER WALL.SDR 95ZZZX3342Yoke · corrodedSCHEDULED 1200 HOUR OVERHAUL FOUND M/R HUB HAS CORROSION IN RADIUS RING BORE BEYOND LIMITS OF .002 INCH PER BELL 206B-3 CR & O MANUAL. SUSPECT CAUSED BY MOISTURE AND DISSIMILAR METAL CONTACT BETWEEN RADIUS RING AND YOKE BORE.SDR HEEA955141Strap · defectiveUNABLE TO TRACK AND BALANCE ON AIRCRAFTS. (THREE EACH DIFFERENT A/C - N6610C, N5742H, AND N8593X. SERIAL NUMBERS REMOVED ARE BT16714 AND BT16728.SDR 95ZZZX5562Bolt · wornMAIN BOLT HAS WORN THREADS. REPLACED WITH NEW UNIT(S) CORRECTED PROBLEM.SDR HEEA955128Shaft Seal · leakSHAFT SEAL STATIC LEAK.SDR 96ZZZX1662Bolt · wornBOLT WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR HEEA955106Link · bearing wornELASTOMERIC BEARING WORN. RECEIVED INTALLED ON AIRCRAFT ON 12-26-94.SDR 95ZZZX5902Sight Glass · defectiveMAIN ROTOR HEAD SIGHT GLASS HAS IMPERFECTIONS IN THE U-CHANNEL. UNIT NEVER INSTALLED. REPLACED WITH NEW UNIT(S) CORRECTED PROBLEM.SDR EGRA9592Trunnion · off centerDURING GROUND RUN UP OF AIRCRAFT A GROUND BOUNCE CONDITION OCCURRED. CHECKED CENTERING ON M/R HEAD TRUNNION. TRUNNION OFF CENTER BY .003. ADJUSTED TRUNNION. REASSEMBLIED. C/W MAIN ROTOR TRACK AND BLANCE, CHECKED GOOD.SDR HEEA955044Laminates Stop · separationRUBBER SEPARATION. SERIAL NUMBERS REMOVED PHI1025, PHI1496, PHI1290, PHI1410. REPLACED WITH SERVICEABLE MEMBERS.SDR HEEA955043Laminates Stop · separationRUBBER SEPARATION. SERIAL NUMBERS REMOVED PHI995, PHI1251, PHI1213. REPLACED WITH SERVICEABLE MEMBERS.SDR 96ZZZX1000Damper · defectiveDAMPER TIMING IS SLOW 2 SECONDS.SDR HEEA955014Damper Set · separationSEPARATION BEYOND LIMITS. SERIAL NUMBERS REMOVED ARE 1913, 1886, 2418 AND 2414.SDR HEEA955007Strap · req replacementREMOVED DUE TO 2 YEAR RETIREMENT AS PER AD 78-11-02R1. S/N'S LK8068 & LK8052SDR HEEA954989Damper Set · seperationSEPARATION BEYOND LIMITS. S/N 1801, 1791 & 2313SDR HEEA954988Damper Set · req replacementREMOVED TO INSTALL NEW STYLE DAMPER SET P/N 412-010-145-105. S/N 2326 & 2311SDR ERAA9575Tie Bolt · wrong sizeNEW TIE BOLT THAT WOULD NOT GO INTO ROTOR ASSY. TOP MUTE MICS AT .4433 (MAX IS .4425 AS PER ALLISON L/H & SUPERIOR PRINTS).SDR 95ZZZX2922Spherical Stop · delaminatedPOST FLIGHT FOUND 3 EACH SPHERICAL STOPS WITH RUBBER BULGING AND DELAMINATED BEYOND LIMITS.SDR 95ZZZX2921Spherical Stop · delaminatedPOST FLIGHT FOUND 3 EACH SPHERICAL STOPS WITH RUBBER BULGING AND DELAMINATED BEYOND LIMITS.SDR 95ZZZX2920Spherical Stop · delaminatedPOST FLIGHT FOUND 3 EACH SPHERICAL STOPS WITH RUBBER BULGING AND DELAMINATED BEYOND LIMITS.SDR HEEA954946Damper Set · separationDAMPER SET SEPARATION BEYOND LIMITS. SERIAL NUMBERS REMOVED 2809, 2815, 2826 AND 2803.SDR HEEA954945Bearing · separationSEPARATION BEYOND LIMITS. BEARING S/N LK3275 & LK3388SDR HEEA954944Bearing · separationSEPARATION BEYOND LIMITS.SDR 95ZZZY0995Bolt · plating wearMAIN BOLT EXCESSIVE PLATING WEAR. REPLACED WITH NEW UNIT(S), CORRECTED PROBLEM.SDR 95ZZZY0978Ball End · wornTEFLON LINERS WORN BEYOND SERVICEABLE LIMITS. LINERS OF THE BEARINGS ARE CRACKED WHERE THEY RIDE ON THE STARFLEX. REPLACED WITH NEW UNIT(S), CORRECTED PROBLEM.SDR 95ZZZY0972Ball End · wornTEFLON LINERS WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT(S), CORRECTED PROBLEM.SDR 95ZZZY0970Ball End · wornTEFLON LINERS WORN BEYOND SERVICEABLE LIMITS. UNITS SCRAPPED ON SITE.SDR 95ZZZX2792Race · wornON DISASSEMBLY FOR REPAIR, FOUND BEARING RACE WORN BEYOND LIMITS. BEARING PN 412010216105, SN RE299. ARM PN 412010263101.SDR 95ZZZX2791Bearing Race · wornON DISASSEMBLY FOR REPAIR, FOUND BEARING RACE WORN BEYOND LIMITS. BEARING PN 412010216105, SN RE493. ARM PN 412010263101.SDR HEEA954939Bolt · defectiveCARBIDE COATING FLAKING BEYOND LIMITS.
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