JASC 6321

Service difficulty reports · 275

Reports filed under 6321 · Main Rotor Brake, 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 = '6321'
  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 HEEA076275Caliper · leakingCALIPER LEAKING. REPLACED WITH SERVICEABLE PART.Oct 11, 2001 · N911MJ · Skrsky S76ASDR HEEA076274Caliper · leakingCALIPER LEAKING. REPLACED WITH SERVICEABLE PART.Oct 11, 2001 · N911MJ · Skrsky S76ASDR KBMA111960Brake · inoperativeROTOR BRAKE NOT FUNCTIONING PROPERLY. INSTALLED SERVICEABLE ROTOR BRAKE.Oct 6, 2001 · N313LV · Snias AS350B2SDR KBMA111959Cable · malfunctionedROTOR BRAKE NOT FUNCTIONING PROPERLY. REPLACED BRAKE CABLE.Oct 6, 2001 · N313LV · Snias AS350B2SDR HEEA076318Housing · wornREMOVED FOR MODIFICATION. FOUND EXCESSIVE WEAR ON HOUSING, BRAKE PAD BOLT RETAINER HOLES AND PAD RETAINER BOLTS.Oct 2, 2001 · N496PH · Bell 407SDR HEEA076064Brake Assy · wornWORN BRAKE LINING. PENDING VENDOR RETURN.Sep 10, 2001 · N972AE · Snias AS350BSDR HEEA075637Cylinder · failedROTOR BRAKE WILL NOT ENGAGE. REPLACED WITH SERVICEABLE PART.Aug 28, 2001 · N5019F · Bell 206L1SDR LS1R074935Brake · stuckPART MOVEMENT RESTRICTED.Aug 13, 2001 · N58AG · Bell OH58ASDR 2001FA0000117Disk · crackedDURING A SCHEDULED MAINTENANCE EVENT THE MAIN ROTOR BRAKE DISC WAS FOUND TO BE FRACTURED, COMPLETELY THROUGH, FROM THE OUTER TO THE INNER CIRCUMFERENCE, AND THERE WERE SOME VISUAL CRACKS EMANATING FROM AROUND THE MOUNTING HOLES. THE CREW HAD MENTIONED, THAT DJul 27, 2001 · N317MX · Skrsky S76CSDR HEEA073723Pad · wornWORN PAD. TO BE RETURNED TO VENDOR.Jun 20, 2001 · N417PH · Bell 407SDR 2001F00374Sleeve · frozenROTOR BRAKE CABLE IS FROZEN. CANNOT ACTUATE CABLE, SUSPECT SILICA SAND BUILD UP FROM FORWARD END. MFG DOES NOT INSTALL BRASS END CAP ON THE CABLE END WHICH IS INSTALLED UNDER BELLY PANS.Jun 15, 2001 · N313LV · Snias AS350B2SDR HEEA073417Pad · wornWORN PADS.Jun 11, 2001 · N492PH · Bell 407SDR HEEA073354Pad · wornWORN AND GLAZED.Jun 8, 2001 · N8595X · Bell 407SDR HEEA073095Brake Assy · damagedOIL SOAKED FROM LEAKING SEAL OF INPUT.May 10, 2001 · N970AE · Snias AS350BSDR HEEA073017Disk · wornWORN. SENT TO BELL HELICOPTER TEXTRON FOR CREDIT AGAINST REPLACEMENT PART PURCHASED. REFERENCE: DMR#715175.May 7, 2001 · N467PH · Bell 407SDR 2001F00511Support · wornBRAKE LINING SUPPORT WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (M)Apr 24, 2001 · N392LG · Snias AS350B3SDR 20010420CW018Caliper · stuckDURING RUN UP PRIOR TO 135 REVENUE FLIGHT. SMOKE COMING OUT OF INTAKE COWLING AREA, NOTIFIED FLIGHT CREW WHO SHUT DOWN THE AIRCRAFT. MAINTENANCE FOUND ONE ROTOR BRAKE PUCK STUCK OUT AGAINST THE DISC CAUSING SMOKE.Mar 22, 2001 · N518AL · Skrsky S76ASDR 20010130CW004Brake · crackedROTOR BRAKE CHATTERING FOUND CRACKED ROTOR BRAKE DISC./ THIS IS SECOND EVENT.Jan 15, 2001 · N511ME · Urocop EC135P1SDR TI1R001480Brake · wornBRAKE LINING SU - LININGS WORN TO LIMITS. REMOVED AND REPLACED.Jan 4, 2001 · N350AZ · Snias AS350B2SDR AC2A072795Liner · wornROTOR BRAKE WEAK - REPLACED LININGS WITH NEW.Dec 6, 2000 · N430CH · Bell 430SDR TI1R001391Bearing · delaminatedPAD BEARING, DELAMINATED. REMOVED AND REPLACED.Nov 29, 2000 · N4UV · Bell 230SDR R7MR32645Support · wornROTOR BRAKE SUPPORT WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Nov 22, 2000 · N392LG · Snias AS350B3SDR 20001215SH014Support Bracket · wornBRAKE LINING SUPPORT WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)Oct 30, 2000 · N397LG · Snias AS350B3SDR 20001107SH027Liner · wornROTOR BRAKE LINING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEMS. (X)Aug 9, 2000 · N901CF · Doug MD900SDR 20000801SH037Switch · inoperativeROTOR BRAKE SWITCH ASSY UNIT INOPERATIVE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)Jun 7, 2000 · N135SJ · Urocop EC135P1SDR RRXA001647Floorboard · misdrilledDURING A MAINTENANCE VISIT, FOUND NUMEROUS DRILLED HOLES THROUGHOUT FLOOR PANEL C2-R1, DAMAGE EXCEEDED LIMITATIONS IAW DC-8 SRM. REMOVED DAMAGE, TREATED AREA IAW DC-8 SRM 51-1-8. ACCOMPLISHED WELD REPAIR ON DISCREPANT HOLES IAW E.O. 99-236 WITH APPROVED 81Mar 28, 2000 · N994CF · Doug DC862SDR 20001107SH026Bolt · wornBOLT - ROTOR BRAKE, WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)Mar 9, 2000 · N901CF · Doug MD900SDR HEEA066509Pad Assy · wornPAD ASSEMBLY WORN. SCRAPPED.Feb 15, 2000 · N720PH · Bell 407SDR 2000ZZZX834Pad · wornDURING REMOVAL OF ROTOR BRAKE CALIPER ASSEMBLIES, FOUND GUIDE HOLES ON PAD ASSY AND GUIDE BOLTS WORN. BOLT, PN D0166-1, WORN IN EXCESS OF 50 PERCENT OF BOLT DIAMETER. PAD ASSY, PN D0163-1, GUIDE HOLES WORN IN EXCESS OF 65 PERCENT OF WALL THICKNESS. POSSIBLE Feb 8, 2000 · N407AK · Bell 407SDR 2000ZZZX833Pad · wornDURING REMOVAL OF ROTOR BRAKE CALIPER ASSEMBLIES, FOUND GUIDE HOLES ON PAD ASSY AND GUIDE BOLTS WORN. BOLT, PN D0166-1, WORN IN EXCESS OF 50 PERCENT OF BOLT DIAMETER. PAD ASSY, PN D0163-1, GUIDE HOLES WORN IN EXCESS OF 65 PERCENT OF WALL THICKNESS. POSSIBLE Feb 8, 2000 · N407AK · Bell 407SDR HEEA065991Bolt · strippedSTRIPPED BOLTS WHEN SAFETY BRAKE.Jan 17, 2000 · N402PH · Bell 407SDR HEEA065990Bolt · strippedSTRIPPED BOLTS WHEN SAFETY BRAKE.Jan 17, 2000 · N402PH · Bell 407SDR HEEA065622Pin · wornPIN WORN. PART SCRAPPED.Jan 7, 2000 · N402PH · Bell 407SDR HEEA064882Pad Assy · wornPAD ASSEMBLY WORN.Oct 20, 1999 · N467PH · Bell 407SDR HEEA064790Rotor · wornDISK PAD WORN.Oct 15, 1999 · N4000L · Snias AS350B2SDR HEEA064789Rotor · wornROTOR WORN.Oct 15, 1999 · N6095S · Snias AS350B2SDR HEEA064660Pin · wornPLAY BETWEEN HUB SET AND PIN.Oct 4, 1999 · N467PH · Bell 407SDR HEEA064659Pin · wornWORN, PLAY IN DRIVE LINK.Oct 4, 1999 · N467PH · Bell 407SDR HEEA063124Cylinder · malfunctionedPRESSURE BINDING ON UP AND DOWN STROKE ON CYLINDER ASSY.Jul 28, 1999 · N720PH · Bell 407SDR HEEA063107Pin · wornPIN WORN, PLAY IN DRIVE LINK.Jul 28, 1999 · N467PH · Bell 407SDR 99ZZZX3334Brake Pad · wornHOLES FOR BOLTS THAT GUIDE PAD AND HOLD IN PLACE ARE ELONGATED. ONCE BEFORE THE SAME P/N PAD CAME LOOSE DUE TO HOLE OPENING UP. SUBMITTER SUGGESTED BASE OR METAL BE MADE OF THICKER MATERIAL AROUND GUIDE PIN HOLES.Jul 27, 1999 · N407JR · Bell 407SDR 99ZZZX3333Bolt · wornBOLTS HAVE STEPS (GROOVES) WORN IN THEM. THIS CAUSES THE PAD ASSY TO STICK. BOLTS ARE USED AS GUIDE PINS.Jul 27, 1999 · N407JR · Bell 407SDR HEEA061728Brake Assy · malfunctionedWHEN ROTOR BRAKE CALIPERS WERE INSTALLED, INBOARD MICROSWITCH CONTACTS ROTOR BRAKE QUILL HOUSING. INBOARD MICROSWITCH WAS INSTALLED DIFFERENT ON THIS CALIPER ASSY THAN THE ONE REMOVED. SCRAPPED SWITCH ASSY ON INBOARD SIDE OF ROTOR BRAKE CALIPER.Apr 6, 1999 · N5010F · Bell 212SDR 99ZZZX2883Relief Valve · failedROTOR BRAKE WILL NOT BUILD UP ANY PRESSURE. REF: RMA R020183 MCN 64. REMOVED AND REPLACED.Apr 2, 1999 · N117LU · Bolkms BK117B1SDR HEEA060982Brake Assy · damagedBRAKE ASSEMBLY HAS RUBBER SEPARATED.Mar 3, 1999 · N6100R · Snias AS350B2SDR HEEA060978Brake Assy · wornBRAKE ASSEMBLY WORN BEYOND LIMITS.Mar 3, 1999 · N4034Q · Snias AS350B2SDR 99ZZZX770Cap · crackedCAP CRACKED BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. THIS PART BEING RETURNED FOR PRODUCT INVESTIGATION.Jan 8, 1999 · N625MB · Bolkms BK117A3SDR 99ZZZX758Brake · leakingBRAKE MASTER CYLINDER REPLACED WITH NEW DUE TO LEAK.Jan 7, 1999 · N4445V · Bell 412EPSDR 98ZZZX4809Brake Kit · failedREPLACED WITH NEW DISC PACK AND ROTOR BRAKE KIT SUPPLIED BY BELL HELICOPTER.Dec 1, 1998 · N407AP · Bell 407SDR HEEA0016787Pin · wornMAIN ROTOR PIN WORN.Nov 11, 1998 · N407PH · Bell 407
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