JASC 6420

Service difficulty reports · 907

Reports filed under 6420 · Tail 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 = '6420'
  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 HAIHEEA9999Bearing · crackedTWO EACH INBOARD BEARINGS CRACKED. 2 EACH OUTBOARD BEARINGS GALLED ON BOTH BLADES P/N 206-016-201-131 (T.T. 471:50) ALONG WITH 4 EACH SLEEVES P/N 206-010-733-003.May 30, 1997 · N7077B · Bell 206L4SDR HAIHEEA9997Inner Sleeve · damagedMECHANICAL DAMAGE WAS FOUND ON NEW INNER SLEEVE ASSY UPON RECEIVING.May 30, 1997 · Bolkms BO105SSDR HAIHEEA9937Bearing · crackedCRACKED. REPLACED WITH NEW BEARING.May 28, 1997 · N2270Y · Bell 206L1SDR HAIHEEA9909Body · separationT/R BODY SEPARATION.May 19, 1997 · N6097Z · Snias AS350B2SDR HAIHEEA9907Hub · brinneledREPLACED THE FOLLOWING PARTS OF T/R HUB ASSEMBLY: 4 EACH, BEARING P/N 214-011-819-101, WORN EXCESSIVELY 1 EACH, TRUNNION P/N 214-011-804-101, BRINELLING. 2 EACH, BEARINGS P/N 214-011-803-101, BRINELLING (SCRAPPED LOCALLY) 2 EACH,SEALS P/N 92-7521, WORN (SCRAPMay 19, 1997 · N8045T · Bell 214STSDR HAIHEEA9905Yoke · mis mfgTHE POSITION OF THE FLAPPING RELIEF ARE MISMACHINED IN CENTER BORE OF YOKE. THE RELIEF ARE 90 DEGREES OFF FROM PROPER POSITION. (MISMANUFACTURED)May 19, 1997 · N6160Z · Bell 206L3SDR HAIHEEA9475Yoke · bearing failedBEARINGS SEPARATED. REPLACED WITH SERVICEABLE YOKE ASSEMBLY.Apr 23, 1997 · N6040U · Aerosp AS355F2SDR HAIHEEA9226Control Rod · wornBEARINGS WORN.Mar 21, 1997 · N6095S · Snias AS350B2SDR JYDR970327Shoulder Bolt · crackedFOUND CRACK IN FIRST TWO THREADS WITH MPI. FOUND CRACK-LIKE INDICATION ON INNER RACE ABOUT .750 INCH LONG WITH MPI. COMPONENT P/N 6511007000019. PART MARKINGS: VENDOR CODE - 81996 - U. S. ARMY AVIATION AND TROOP COMMAND. THIS IS A BREAKOUT PART. (X)Mar 13, 1997 · Skrsky S64ESDR 97ZZZX2144Bearing · wornBEARING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH 2 EACH NEW UNITS, CORRECTED PROBLEM.Mar 4, 1997 · N118LF · Bolkms BK117A4SDR 97ZZZX2149Bearing · wornBEARING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH 2 EACH NEW UNITS, CORRECTED PROBLEM.Feb 27, 1997 · N5188B · Bolkms BK117B1SDR 97ZZZX2135Bolt · wornT/R FITTED BOLT WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Feb 27, 1997 · N5188B · Bolkms BK117B1SDR 97ZZZX1677Bearing · roughDAILY INSPECTION FOUND EXCESS GREASE ON T/R SPIDER ASSY. CLOSER INSPECTION FOUND THE BEARING WAS ROUGH AND BINDING.Feb 25, 1997 · N6100R · Snias AS350B2SDR HEEA979010Bearing · wornBEARING WORN.Feb 10, 1997 · N350BZ · Snias AS350B2SDR AU970126Pitch Link · faulty(AUS) TAIL ROTOR PITCH LINK BEARINGS NOT STAKED - BEARINGS MOVING IN LINKS AND ONE BEARING DISLODGED - PITCH LINKS HAD BEEN FITTED NEW A WEEK EARLIER - PERSONNEL/MAINTENANCE ERRORJan 27, 1997 · Agusta A109CSDR 97ZZZX2151Bearing · wornBEARING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH 2 EACH NEW UNITS, CORRECTED PROBLEM.Jan 23, 1997 · N527SF · Bolkms BK117A3SDR 97ZZZX2150Bolt · wornBOLT WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Jan 15, 1997 · N527SF · Bolkms BK117A3SDR HEEA978835Lever Assy · bearing wornLEVER ASSY BEARING WORN.Jan 10, 1997 · N230UN · Bell 230SDR CA970311074Seal · leaking(CAN) T/R ASSY INPUT SEAL FOUND LEAKING EXCESSIVELY.Jan 6, 1997 · Bell 206BSDR CHIR823CBearing · disbondDURING 300-HOUR INSPECTION, ONE OF THE OUTBOARD ELASTOMERIC BEARINGS FELL OUT WHEN THE T/R ASSY WAS DISASSEMBLED. THE GLUE BOND HAD FAILED. THERE SEEMED TO BE ONLY A SMALL AMOUNT OF GLUE. SOR SENT TO MDHC 12-30-96 ON THIS PART/PROBLEM. (X)Dec 31, 1996 · N1611W · Hughes 369ESDR 97ZZZX2126Bearing · wornBEARING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH 2 EACH NEW UNITS, CORRECTED PROBLEM.Dec 30, 1996 · N203LF · Bolkms BO105LSA3SDR 97ZZZX2137Bearing · wornBEARING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH 2 EACH NEW UNITS, CORRECTED PROBLEM.Dec 16, 1996 · N951AM · Bolkms BK117A3SDR HEEA968641Body · worn excessBEARING BORE WORN BEYOND LIMITS AND BEARING SEPARATION.Dec 10, 1996 · N6100R · Snias AS350B2SDR 97ZZZX2124Bearing · wornBEARING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH 2 EACH NEW UNITS. CORRECTED PROBLEM.Dec 7, 1996 · N202LF · Bolkms BO105LSA3SDR 97ZZZX200Swashplate · bushing detachedVIBRATION FELT THROUGH T/R PEDALS, SPECIFICALLY LEFT PEDALS. UPON INSPECTION, BUSHING AT INBOARD END OF T/R SWASHPLATE T-HEAD HAD COME OUT, SLID INBOARD ON T/R OUTPUT SHAFT AND DAMAGED T/R OUTPUT SHAFT SEAL.Nov 29, 1996 · N9244F · Hughes 369HSSDR HEEA968548Body · bearing failedBEARINGS SEPARATED. REPLACED WITH SERVICEABLE T/R YOKE ASSEMBLY.Nov 22, 1996 · N60951 · Snias AS350B2SDR 97ZZZX2315Bearing · wornBEARING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Oct 22, 1996 · N527SF · Bolkms BK117A3SDR 97ZZZX941Yoke · mismanufacturedWHILE TRYING TO SET FLAP ANGLE ON BLADES, FOUND YOKE INBOARD WHERE BLADE MOUNTS ARE NOT MILLED OUT ENOUGH TO PROPERLY SET BLADE FLAP ANGLE. YOKE NOT AIRWORTHY.Oct 17, 1996 · N358AL · Bell 206L3SDR 97ZZZX2145Bearing · wornBEARING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH 2 EACH NEW UNITS, CORRECTED PROBLEM.Oct 15, 1996 · N17SJ · Bolkms BK117B1SDR 97ZZZX2143Bearing · wornBEARING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Oct 15, 1996 · N117CW · Bolkms BK117A4SDR 97ZZZX2133Bolt · wornFITTED BOLT WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNITS, CORRECTED PROBLEM.Oct 15, 1996 · N117CW · Bolkms BK117A4SDR 96ZZZX5729Yoke · req replacementCOMPLY WITH ASB412-96-89 INSPECTION OF T/R YOKE. YOKE REPLACED.Oct 9, 1996 · Bell 412SDR 96ZZZX5675Bolt · wornBOLT WORN BEYOND SERVICEABLE LIMITS. REPLACED WTIH NEW UNIT, CORRECTED PROBLEM.Oct 2, 1996 · N5188B · Bolkms BK117B1SDR CA961203008Bearing Race · rough(CAN) DURING INSPECTION OF TAIL ROTOR, A ROUGH, RATCHETING FEELING WAS NOTICED. FURTHER INSPECTION REVEALED THAT THE INNER BEARING RACE WAS CRACKED.Sep 25, 1996 · Bell 206L3SDR 96ZZZX5678Bearing · wornBEARING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH 2 EACH NEW UNITS, CORRECTED PROBLEM.Sep 25, 1996 · N586BH · Bolkms BK117A4SDR 96ZZZX5616Yoke · crackedDURING DAILY CLEANING OF HELICOPTER, PILOT NOTICED WHAT APPEARED TO BE A CRACK IN TH E T/R YOKE. AFTER REMOVING PAINT AND INSPECTING WITH A MAGNIFYING GLASS, A CRACK WAS DEFINITELY VISIBLE. CRACK STARTED AT CENTER LINE OF OUTBOARD BOLT HOLE, EXTENDIING TO OUSep 25, 1996 · N777CP · Bell 206BSDR 96ZZZX4869Bearing · failedDURING THE PRE-FLIGHT INSPECTION, THE SEAL OF THE DUPLEX BEARING WAS OBSERVED TO BE DETACHED FROM THE BEARING. DISASSEMBLY SHOWED A TOTAL LOSS OF LUBRICANT AND SEVERAL BALLS MISSING FROM THE OUTER DUPLEX BEARING.Sep 11, 1996 · N911RX · Agusta A109K2SDR HEEA967629Hub · bushing crackedINBOARD BUSHING P/N 214-010-766-101 BEING CRACKED ON BOTH GRIP SETS. ( GRIP SET P/N 214-010-822-101, S/N A474 AND S/N A477, T.T. 734:45, T.S.O. 734:45. )Aug 2, 1996 · N3897N · Bell 214STSDR 96ZZZX5684Bearing · wornBEARING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH 2 EACH NEW UNITS, CORRECTED PROBLEM.Jul 28, 1996 · N911BY · Bolkms BK117A4SDR 96ZZZX5683Fitted Bolt · wornFITTED BOLT WORN BEYOND SERVICEABLE LIMITS. REPLACED WTIH NEW UNIT, CORRECTED PROBLEM.Jul 28, 1996 · N911BY · Bolkms BK117A4SDR 96ZZZX3967Hub · stiffPILOT NOTED THAT WITH INCREASED RPM, TAIL ROTOR PEDALS BECAME STIFF. THE T/R BLADE FEATHERING BEARINGS WERE NOT FOUND TO BE CRACKED. TAIL ROTOR HUB ASSY WAS REMOVED AND VISUALLY INSPECTED IAW BELL 206L-4 MM. NO OBVIOUS DEFECTS HAVE BEEN NOTED. A THOROUGH TJul 23, 1996 · N123NH · Bell 206L4SDR CA960812016Hub · unbalanced(CAN) TAIL ROTOR INSTALLED AFTER OVERHAUL. UNABLE TO BALANCE TAIL ROTOR ASSEMBLY AFTER SEVERAL RUNS. UNIT REMOVED AND REPLACED.Jul 19, 1996 · Bell 206BSDR 96ZZZX5664Bearing · wornBEARING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH 2 EACH NEW UNITS, CORRECTED PROBLEM.Jul 18, 1996 · N10UM · Bolkms BK117B1SDR 96ZZZX5673Bearing · wornBEARING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH 2 EACH NEW UNITS, CORRECTED PROBLEM.Jul 12, 1996 · N5194C · Bolkms BK117B1SDR 96ZZZX3838Elbow · wrong partDURING CLEAN-UP AND INSPECTION OF TRANSMISSION PARTS AT OVERHAUL, DISCOVERED TRANSMISSION OIL SUPPLY FITTING PN MS20823-4 HAD RESTRICTOR ORIFICE SIMILAR TO PN 47-712-035-1 MANIFOLD PRESSURE GAUGE LINE RESTRICTOR. SUBMITTER STATED COULD CAUSE TRANSMISSION FAILJul 8, 1996 · Bell 47G5SDR 96ZZZX5667Bearing · wornBEARING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW 2 EACH UNITS, CORRECTED PROBLEM.Jun 27, 1996 · N118LF · Bolkms BK117A4SDR HEEA967479Inner Sleeve · worn excessivelyINNER SLEEVE IS WORN EXCESSIVELY. (SEAL RIDE AREA WORN)Jun 24, 1996 · N132AE · Bolkms BK117B2SDR HEEA967428Yoke · bearing wornCOMPLY WITH OSN 214ST-96-08, ALSO BLADE BEARINGS ARE WORN.Jun 21, 1996 · N3897N · Bell 214STSDR 96ZZZX5674Fitted Bolt · wornFITTED BOLT WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Jun 9, 1996 · N5188B · Bolkms BK117B1SDR HEEA967315Laminate Bearing · wornTAIL ROTOR LAMINATE FLAPPING BEARINGS ARE WORN AND SPLIT. REPLACED WITH SERVICEABLE BEARING.Jun 4, 1996 · N6100R · Snias AS350B2
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