JASC 3243

Service difficulty reports · 445

Reports filed under 3243 · Master Cylinder/Brake Valve, 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 = '3243'
  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 IU62001F00007Housing · crackedHOUSING ASSEMBLY IS CRACKED THROUGH BETWEEN BOTH VALVE BORES. STRESS FATIGUE.Jun 13, 2001 · Boeing 737*SDR CA031117009Support · cracked(CAN) WHILE PERFORMING AN AW CHECK, CRACKS WERE SUSPECTED IN AFT CROSS TUBE SUPPORT AREA. AFTER PAINT STRIPPING CRACKS CONFIRMED AS FOLLOWS. A SMALL HAIRLINE CRACK WAS FOUND ON THE FWD LEG OF THE LT CROSS TUBE SUPPORT. CRACK IS JUST OUTBOARD OF 90 DEGREE ANJun 1, 2001 · Bell 206BSDR 20010604CW008Valve · leakingORIGINAL INSTALLATION POWER BRAKE VALVE WAS FOUND TO BE LEAKING INTERNALLY CAUSING SKYDROL FLUID TO BE SPILLED ON THE PRESSURE SIDE OF THE FORWARD PRESSURE BULKHEAD.May 9, 2001 · N622SV · Israel GALAXYSDR CA010522018Clevis Bolt · bent(CAN) BRAKES WERE NOT AS RESPONSIVE AS USUAL. UPON INSPECTION RT MASTER BRAKE CYLINDER CLEVIS BOLT FOUND TO BE BENT.May 7, 2001 · Bbavia 7ECASDR AUS20010665Cylinder · leaking(AUS) RH BRAKE MASTER CYLINDER LEAKING AT ELBOW FITTING. INVESTIGATIONFOUND THAT THE ELBOW HAD NOT BEEN FULLY SCREWED IN AND THESEALING O' RING WAS DISPLACED ONTO THE THREADS OF THE ELBOW INSTEAD OF FITTING INTO THE SEAL RECESS DUE TO THE B' NUTCOVERING THE RApr 26, 2001 · Cessna 182SSDR CA010504006Valve · failed(CAN) EICAS PARK BRAKE ON MESSAGE WILL NOT EXTINGUISH.Apr 19, 2001 · Lear 45LEARSDR VNAA0104004Valve · failedTHE FLIGHT CREW RECEIVED A EMERGENCY PARKING BRAKE ACCUMULATOR LOW PRESSURE WARNING MESSAGE DURING FLIGHT. THE FLIGHT CREW REFERENCED THE QUICK REFERENCE HANDBOOK AND RETURNED TO THE FIELD. THE LANDING WAS MADE WITHOUT INCCIDENT. MAINTENANCE INSPECTED AND RApr 9, 2001 · N431JS · Dorner DO328100SDR ABXA010065Valve · defectiveTHE LEFT MAIN LANDING GEAR WHEEL BRAKES WOULD NOT OPERATE. MAINTENANCE INSPECTED AND FOUND THE BRAKE HYDRAULIC POWER VALVE ASSY TO HAVE A BROKEN FORK. THE POWER VALVE WAS REPLACED IAW DC-8 MM 32-42-02.Feb 27, 2001 · N825AX · Doug DC863SDR C2XA00CL096Master Cylinder · failedAFTER LANDING THE CREW REPORTED THE CAPTAINS LEFT BRAKE PEDAL HAD NO RESISTANCE. A/C TAXIED TO THE GATE WITHOUT FURTHER INCIDENT. MX REMOVED/REPLACED THE CAPTAINS LEFT BRAKE MASTER CYLINDER IAW BEECHCRAFT MM 32-40-06. A/C WAS RELEASED FOR SERVICE.Nov 13, 2000 · N69549 · Beech 1900DSDR 20001212SH021Housing · crackedHOUSING ASSY CRACKED BETWEEN BOTH PORTS AND ACROSS THE FLANGE AREA. POSSIBLE CAUSE, WEAK POINT OF THE HOUSING, FATIGUE AND/OR OVERSTRESSED. (X)Nov 8, 2000 · Boeing 737*SDR CHQA20000041Master Cylinder · lack of lubeCAPTAIN REPORTED THE RIGHT BRAKE PEDAL AS INOPERATIVE. MAINTENANCE INSPECTED THE SYSTEM, FOUND THE MASTER CYLINDER REQUIRED SERVICING. THE MASTER CYLINDER WAS SERVICED, SYSTEM BLED, WITH ALL INDICATIONS NORMAL.Oct 3, 2000 · N845JS · Bag JETSTM3101SDR 20001025SH026Master Cylinder · malfunctionedRIGHT BRAKE DRAGGING AND LOCKING UP. THIS WOULD ONLY HAPPEN WHEN COPILOT RIGHT BRAKE WAS USED. WOULD NOT DRAG OR LOCK WHEN PILOT''S BRAKES WERE USED. AFTER TROUBLESHOOTING, CHANGED PILOT''S RIGHT MASTER CYLINDER WHICH TOOK CARE OF PROBLEM. (X)Oct 2, 2000 · N392CA · Swrngn SA226TCSDR 20010502CW006O-Ring · wornPILOT REPORTED LOST RIGHT BRAKE AFTER LEAVING BLOCKS. PILOT SIDE, RIGHT BRAKE MASTER CYLINDER ORING LEAKING/BYPASSING HYDRAULIC FLUID. RIGHT BRAKE PISTO O-RINGS LEAKING. REPLACE O-RING SEAL IN THE PILOTS SIDE RIGHT BRAKE MASTER CYLINDER. REPLACED THE O-RISep 25, 2000 · N933FE · Cessna 208BSDR CHQA20000032Master Cylinder · lack of lubeCAPTAIN REPORTED THE RIGHT BRAKE PEDAL HAD NO PRESSURE DURING TAXI. MAINTENANCE INSPECTED THE SYSTEM AND FOUND THE MASTER CYLINDER NEEDED SERVICING. THE MASTER CYLINDER WAS SERVICED, SYSTEM BLED, WITH ALL INDICATIONS NORMAL.Sep 13, 2000 · N845JS · Bag JETSTM3101SDR 20000828SH006Housing · crackedTHE HOUSING IS CRACKED AT THE CENTER DIVIDER. POSSIBLE CAUSE, FATIGUE, STRESS AND/OR WEAK POINT IN HOUSING. (X)Aug 3, 2000 · Boeing 737*SDR CHQA20000014Master Cylinder · lowCAPTAIN REPORTED THE RT CAPTAINS BRAKE PEDAL HAD NO PRESSURE. MAINTENANCE INSPECTED THE SYSTEM, SERVICED THE BRAKE MASTER CYLINDER, BLED THE SYSTEM. OPS CHECKED OK.Jul 20, 2000 · N845JS · Bag JETSTM3101SDR CA000724024Master Cylinder · leaking(CAN) WHILE WORKING ON ANOTHER NEARBY AIRCRAFT IN HANGAR, MECHANIC NOTICED PUDDLE OF HYDRAULIC FLUID UNDER THE AZTEC. MONITORED FOR ONE HOUR, INCREASED IN SIZE OF PUDDLE COMFIRMED LEAK TO BE MAJOR. OIL RAN FROM NOSE NACELLE AREA TO MID-CENTER SECTION BEFOREJul 9, 2000 · Piper PA23250SDR VNAA0006002Warning System · activatedWHILE EN ROUTE, THE CREW RECEIVED A EMERGENCY PARK ACCUMULATOR AMBER CAS MESSAGE. THE CREW FOLLOWED THE PROCEDURES IN THE QUICK REFERENCE HANDBOOK AND COULD NOT CLEAR THE CAS MESSAGE. FLIGHT 4176 THEN DIVERTED TO BGM WHERE, ON FINAL THE MESSAGE CLEARED BY ITJun 5, 2000 · N442JS · Dorner DO328100SDR CA000516024Valve · failed(CAN) PILOTS CHECKED FOR BRAKE PRESSURE DURING CRUISE FLIGHT AT 33,000 FEET. BRAKES WERE VERY SOFT. PARKING BRAKE VALVE FOUND TO HAVE LEAKING O-RINGS. SEALS REPLACED.May 8, 2000 · Piper PA42SDR 20010425CW011Packing · wornLEFT BRAKE FAILED ON LANDING. LEFT BRAKE MASTER CYLINDER REPLACED. OPS CHECKED GOOD. REMOVED MASTER CYLINDER INSPECTED AND NO VISUAL FAULTS OR DISCREPANCIES WERE FOUND. COMPONENT INTERNAL INSPECTION REVEALED NO DAMAGE OTHER THAN GOUGED ORING.May 5, 2000 · N1553C · Beech 1900CSDR AU000335Seal · worn(AUS) BRAKE MASTER CYLINDER LOC O SEAL'' FAILED.Apr 8, 2000 · Cessna 421CSDR MALA000205Valve · failedDURING TRAINING LT AND RT MAIN LANDING GEAR WILL NOT RETRACT WHEN HANDLE IS SELECTED IN THE UP POSITION. MAINTENANCE REPLACED BRAKE SELECTOR VALVE. IAW AVRO AMM 32-41-91. OPS & LEAK CHECK GOOD. PERFORMED REQUIRED GEAR SWINGS PER AMM 32-20-00.Mar 16, 2000 · N502XJ · Bac AVRO146RJ85ASDR CA000323006Snap Ring · loose(CAN) DURING REPLACEMENT OF THE VENT BLOWER ASSY, THE AME LIGHTLY PULLED ON THE PILOT''S LT RUDDER PEDAL. THE LT BRAKE MASTER CYLINDER SNAP RING LET GO AND THE CYLINDER CAME APART DRAINING ALL THE BRAKE FLUID AND LEAVING THE BRAKE SYSTEM INOPERATIVE. THE SUBMMar 15, 2000 · Beech A100SDR RU3A00001Screw · brokenPILOTS RIGHT BRAKE PEDAL WENT DOWN FULL TRAVEL FOLLOWED BY BOTH HYD PRESS LOW LIGHTS ILLUMINATING. HYDRAULIC FLUID DRIPPING FROM WEEP HOLES IN BELLY OF AIRCRAFT. FOUND POWER BRAKE VALVE ADJUSTING SCREW BROKEN AND LAYING IN BELLY OF AIRCRAFT. (M)Mar 14, 2000 · N55 · Lear 60LEARSDR 20000613SH020Master Cylinder · leakingPILOTS LEFT BRAKE BLEEDS DOWN WHEN STEADY PRESSURE IS PUT ON IT. RIGHT BRAKE, AS WELL AS THE COPILOTS, WORK FINE.Mar 10, 2000 · N981LL · Beech B300SDR 20000502SH006Housing · crackedHOUSING ASSEMBLY IS CRACKED THROUGH INTERNAL PORT THAT SUPPLIES THE HYDRAULIC FLUID TO THE LARGE BORES. POSSIBLE CAUSE: HOUSING ASSY HAS BEEN NOTED TO HAVE A HISTORY OF CRACKING IN THIS AREA. WEAK AREA OF HOUSING DUE TO DESIGN OF MANUFACTURING PROCESS. (X)Feb 25, 2000 · Boeing 737*SDR CA000222011Connector · coked(CAN) GEAR DISAGREE ON EICAS. EMERGENCY EXTENSION C/W. FOUND CANNON PLUG ON MLG SELECTOR VALVE COKED. CLEANED AND INSPECTED CANNON PLUG AND REPLACED GEAR SELECTOR VALVE.Feb 19, 2000 · Cndair CL6002B19SDR CA000222009Brake · failed(CAN) NO BRAKE ACTION DURING LANDING. LEFT BRAKE PEDAL WENT FULLY DOWN. LEFT MASTER BRAKE REMOVED, INSPECTED AND FOUND TO HAVE BENT SHAFT. NEW MASTER BRAKE CYLINDER INSTALLED.Jan 7, 2000 · Piper PA31350SDR 2000ZZZX220Hose · deterioratedDURING AN ANNUAL INSPECTION BOTH MASTER CYLINDER FLEXIBLE HOSES WERE FOUND SEVERELY DETERIORATED.Dec 30, 1999 · N1044Y · Cessna 180ASDR SCNA99154Valve · leakingWHILE THE AIRCRAFT WAS PARKED AT THE GATE SMOKE WAS NOTICED IN THE CABIN. MAINTENANCE FOUND THE PARKING BRAKE VALVE LEAKING. REMOVED AND REPLACED PARK BRAKE VALVE PER MM 324421. OPERATIONALLY AND LEAK CHECKS GOOD.Dec 21, 1999 · N291SC · Boeing 7272K3SDR GAIA99237Brake · lockedFLT 1728 - MEM-DEN, NR 1 BRAKE DEBOOSTER WILL NOT RESET. NR 1 BRAKE ASSEMBLY LOCKED UP. REPLACED NR 1 BRAKE ASSEMBLY PER B727 MM 32-41-32. ALSO, REPLACED NR 1 BRAKE LOCK OUT DEBOOST VALVE PER B 727 MM 32-41-21. ALL SYSTEMS CHECKED GOOD. AIRCRAFT RETURNED Dec 16, 1999 · N6838 · Boeing 727223SDR CA991230001Spring · cracked(CAN) RT BRAKE CITED AS ''SOFT''. AME REMOVED RT SHUTTLE VALVE AND DISSASSEMBLED IT. CUT O-RING REPLACED. FAULT STILL APPEARED. AME REMOVED RT MASTER CYLINDER (P/N90-380001-11(VI-15-1000)) AND DISASSEMBLED.SPRING WASHER FOUND TO BE SPLIT IN HALF.SPRING REPLANov 29, 1999 · Beech 200BEECHSDR 99UAL900551Valve · intermittentON ARRIVAL TO MEX, CAPTAIN SET PARKING BRAKE AND IT FAILED. AIRCRAFT ROLLED ABOUT 20 FEET BEFORE CAPTAIN WAS ABLE TO APPLY BRAKES. AIRCRAFT CONTACTED JETWAY AT THE LEFT ENGINE COWL. *S/D* PERFORMED AN OPERATIONAL TEST OF THE PARKING BRAKE SYSTEM PER AMM TAOct 24, 1999 · N422UA · Airbus A320232SDR CA990915024Valve · failed(CAN) AFTER LANDING WITH NO BRAKES USED, THE NR 1 AND NR 2 BRAKES WERE HOT. LEFT BRAKE VALVE REPLACED.Aug 26, 1999 · Dhav DHC8311SDR 99ZZZX3634Valve · crackedBODY IS CRACKED ABOVE PORT 5 RADIATING OUTWARD FROM ORIFICE PLUG POSSIBLY DUE TO FATIGUE, DEFECT IN THE CASTING, OR OVERSTRESSED AT ASSEMBLY.Aug 12, 1999 · Boeing 737*SDR 99ZZZX2436Line · failedDURING GROUND RUN-UP IN PREPARATION FOR AN ANNUAL INSPECTION, THE RIGHT BRAKE LINE BLEW OUT AT THE MASTER CYLINDER CONNECTION. DATE CODE ON HOSE WAS 12-64.Jun 8, 1999 · N6627W · Piper PA28140SDR 99ZZZX2259Master Cylinder · failedUPON TOUCH DOWN ON PAD, THE LEFT WHEEL BRAKE FAILED TO HOLD. AIRCRAFT TURNED 45 DEGREES TO THE RIGHT. PILOT ON CONTROLS PUT IN LEFT PEDAL AND PULLED POWER STOP TURN. AIRCRAFT WAS REPOSITIONED ON THE PAD AND SHUT DOWN.May 12, 1999 · N741SW · Skrsky S76ASDR RAIA990414Master Cylinder · failedFLT 7360 - STL - RIGHT BRAKE INOPEATIVE ON CAPTAINS SIDE. MAINTENANCE SERVICED CAPTAINS RIGHT MASTER CYLINDER. (M)Apr 11, 1999 · N425AM · Bag JETSTM3201SDR RAIA990327Master Cylinder · failedFLT 7100 - STL - CAPTAINS LEFT BRAKE WEAK. MAINTENANCE SERVICED CAPTAINS LEFT BRAKE MASTER CYLINDER. (M)Mar 18, 1999 · N428AM · Bag JETSTM3201SDR 99ZZZX1862Master Cylinder · crackedBODY IS CRACKED AT PORT 5. FATIGUE, OVERTORQUE OR IMPACT OF FITTING, OR DEFECT IN CASTING. STRENGTHEN CASTING.Feb 24, 1999SDR 99ZZZX1855Valve · crackedBODY IS CRACKED AT PORT (5). POSSIBLE OVERTIGHTENING OF FITTING OR IMPACT COULD HAVE CAUSED CRACK. DEFECTIVE PLUG INSTALLATION OR FATIGUE ALSO SUSPECT. PROPER TORQUE OF THE FITTING AND/OR CORRECT PLUG INSTALLATION PREVENTING ANY IMPACT TO AREA WOULD BE HELPFeb 8, 1999SDR RAIA990130Master Cylinder · failedFLT 7328 - STL - CAPTAINS RIGHT BRAKE INOPERATIVE. MAINTENANCE SERVICED CAPTAINS RIGHT BRAKE MASTER CYLINDER. (M)Jan 23, 1999 · N425AM · Bag JETSTM3201SDR RAIA990118Master Cylinder · required serviceSTL - FLT 7366 - CAPTAIN'S RIGHT BRAKE INOPERABLE. MAINTENANCE SERVICED CAPTAIN'S RIGHT MASTER CYLINDER. (X)Jan 17, 1999 · N425AM · Bag JETSTM3201SDR RAIA990109Master Cylinder · inoperativeSTL - FLT 7058 - RIGHT BRAKE INOPERATIVE. MAINTENANCE SERVICED CAPTAIN'S AND FIRST OFFICER'S RIGHT BRAKE MASTER CYLINDER. (X)Jan 11, 1999 · N427AM · Bag JETSTM3201SDR CA990311046Master Cylinder · failed(CAN) DURING REPOSITIONING FROM HANGAR TO GATE, FLIGHT CREW NOTICED INCREASING LEVELS OF STEERING INPUT REQUIRED TO MAINTAIN DIRECTIONAL CONTROL. AIRCRAFT FINALLY STOPPED ON TAXIWAY AND WOULD NOT MOVE FORWARD WITH ENGINE POWER. MAINTENANCE FOUND BRAKE PRESSURDec 15, 1998 · Beech 1900DSDR VNAA9811018Valve · failedWHILE EN ROUTE, AN EMERGENCY ACCUMULATOR LOW PRESSURE WARNING MESSAGE ILLUMINATED. THE AIRCRAFT RETURNED TO PIT AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE INSPECTED AND REPLACED THE EMERGENCY PARKING BRAKE VALVE, IN ACCORDANCE WITH DORNIER MAINTENANCE Nov 17, 1998 · N439JS · Dorner DO328100SDR 98ZZZX4509Rod · brokenPILOT'S RIGHT MASTER CYLINDER ROD IN CYLINDER BROKE (3) IN 200 HOURS AT AREA OF MACHINED THREADS. SUBMITTER SUSPECTED MANUFACTURING DEFECT.Nov 2, 1998 · N738ZC · Cessna 172NSDR AU981393Bolt · failed(AUS) BRAKE MASTER CYLINDER EYEBOLT FAILED AT THE LOWER END OF THE LOCKNUT CAUSING THE AIRCRAFT TO SWERVE OFF THE RUNWAY. PART TC: 800.Oct 22, 1998 · Airtrc AT802SDR 98ZZZX4051Washer · mismanufacturedUNABLE TO BLEED MASTER BRAKE CYLINDER AFTER INSTALLING NEW O-RINGS AND WASHER P/N 494-083 (NR 24 IN ILLUSTRATED PARTS). NEW WASHER HAD TOO LARGE ON OUTSIDE DIAMETER PRESENTING SLEEVE (NR 22 IN ILLUSTRATION) FROM SLIDING DOWN OVER IT. INSTEAD, THE SLEEVE RESTEOct 16, 1998 · N6918 · Piper PA23160SDR VNAA9809012Metering Unit · failedTHE RIGHTHAND AND LEFTHAND BRAKES STARTED PULSATING, DURING TAXI AND WHEN STOPPED. THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE INSPECTED AND REPLACED THE BRAKE METERING UNIT, IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 32-42-03. OPERATIONAL AND LEAK CHESep 15, 1998 · N442JS · Dorner DO328100
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