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.
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
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 DXTA2011102004754Master Cylinder · reads lowBRAKES ARE VERY SOFT UPON LANDING. ANTI-SKID NEVER ENGAGED ON WET RUNWAY. UPON INSPECTION OF THE BRAKE PRESSURE CYLINDER, NOTICED IT READ LOW. AT 55 DEGREES, SHOULD HAVE BEEN 625-650 AND READ 425. TROUBLESHOT SYS, FOUND BRAKE ACCUMULATOR LOW. SERVICED BRAKESDR AWHA101811Master Cylinder · malfunctionedTHE PILOT REPORTED WHILE TAXIING INTO THE SMF RAMP, EXPERIENCED A RIGHT BRAKE FAILURE. HE WAS AT NORMAL TAXI SPEED ENTERING THE RAMP WHEN HE ATTEMPTED TO APPLY SMOOTH RIGHT RUDDER AND BRAKE TO MAKE A RIGHT TURN. THE PEDAL WENT TO THE FLOOR AND THE AIRCRAFT DSDR DXTA2011101104750Master Cylinder · leakingLEFT PILOT, RT BRAKE SOFT, WITH FULL APPLICATION RT BRAKE INDICATES 400 PSI. RT PILOT BRAKES ARE NORMAL. R & R PILOTS LT AND RT BRAKE MASTER CYLINDERS REF MM 27-20-35-401, BLED MASTER CYLINDERS, REF MM 32-40-00. OPS & LEAK CHECKED GOOD. TAXI CHECKED GOOD.SDR AWHA100611Master Cylinder · malfunctionedAFTER LANDING AT OAK TAXIED TO THE RAMP WITHOUT INCIDENT. AFTER THE UNLOAD, DURING FIRST MAJOR LT TURN AT TAXI SPEED, WHILE APPLYING STEADY LIGHT BRAKE PRESSURE TO THE LT BRAKE, THE BRAKE PEDAL SLOWLY BUT CONTINUOUSLY FADED ALL THE WAY TO THE FLOOR. IMMEDIATSDR AWHA2011F00209Master Cylinder · failedDURING FIRST MAJOR LEFT TURN AT TAXI SPEED, WHILE APPLYING STEADY LIGHT BRAKE PRESSURE TO THE LT BRAKE, TO SHARPEN UP THE TURN, THE BRAKE PEDAL SLOWLY BUT CONTINUOSLY FADED ALL THE WAY TO THE FLOOR. IMMEDIATELY PUT THE POWER LEVER INTO BETA TO SLOW THE ACFT. SDR HSYA2011082211Master Cylinder · deterioratedPILOT TAXIED, AT HOLD SHORT LINE TO RUNWAY, THE LEFT BRAKE FAILED. PILOT APPLIED FULL RT BRAKE AND WAS ABLE TO REGAIN FULL LT BRAKE EFFECTIVENESS BY PUMPING THE BRAKE. ACFT RETURNED TO BLOCKS FOR TROUBLESHOOTING. MX TROUBLESHOT SYS TO LT BRAKE MASTER CYLINDESDR CA110818007Shaft · sheared(CAN) ON LANDING AND TAXIING TO MX BASE, PILOT APPLIED PRESSURE TO THE BRAKES, AND FOUND THAT THEY HAD FAILED. FOUND THAT THE SHAFT OF THE BRAKE MASTER CYLINDER HAD SHEARED. THERE WAS NO FURTHER INCIDENT. MX REPLACED THE MASTER CYLINDER AND THE ACFT WAS SDR CA110815013Shaft · brokenWHEN THE PILOTS GOT INTO THE AFT, THEY PRESSED IN ON THE BRAKES TO RELEASE THE PARKING BRAKE, AND THE LT SIDE MASTER CYLINDER SHAFT SNAPPED. NO FURTHER INCIDENT WAS REPORTED. MX REPLACED THE MASTER CYLINDER. ACFT RETURNED TO SERVICE.SDR UALA2011071103442Master Cylinder · faultyCAPT LEFT TOE BRAKE SLOW TO RETURN TO NORMAL POSITION AFTER BRAKE APPLICATION. REPLACED LT BRAKE CONTROL MASTER CYLINDER, OPS CHECK NORMAL.SDR 2011F00158Master Cylinder · malfunctionedPILOT REPORTED ON TAXI LT BRAKE PEDAL WENT TO THE FLOOR, SUBSEQUENT BRAKE ACTIONS THE BRAKES OPERATED NORMALLY. THE LT BRAKE MASTER CYLINDER WAS R & R AS A PRECAUTION. BLED BRAKES. OPS CHECK GOOD. TAXI AND STEERING CHECKS GOOD.SDR TRBA2011086Master Cylinder · inoperativeTHE F/O REPORTED THE LT BRAKE FELT SPONGY DURING LANDING. THE ACFT WAS REMOVED FROM SERVICE. R & R THE F/O MASTER CYLINDER IAW JIC 32-42-13. THE ACFT WAS RETURNED TO SERVICE.SDR DXTA2011060704607Master Cylinder · leakingCO-PILOT SIDE RT BRAKE IS FREE MOVING HALF WAY THROUGH THE BRAKES. WHEN APPLIED IT CAUSES UNEVEN BRAKING. R & R LT & RT CO-PILOTS BRAKE MASTER CYLINDER. PERFORMED BRAKE SYS BLEED, AND OPS, AND LEAK CHECKED SATISFACTORY. ALL WORK DONE IAW MM 32-42-02 AND SDR HSYA2011052411Master Cylinder · failedPILOT REPORTED AFTER BLOCK OUT FOR FLIGHT 8691 - RIGHT BRAKE ON AIRCRAFT FELT SPONGY AND BRAKE PEDAL, WHEN FULLY APPLIED, WENT TO THE FLOOR - FAILED. THE ACFT WAS RETURNED TO THE PARKING RAMP FOR MX TROUBLESHOOTING. R & R RT BRAKE ASSEMBLY IAW MM 32-40-00. RSDR AWH2011F00001Master Cylinder · inoperativePILOT REPORTED WHILE TAXIING TO THE RAMP, A RT TURN WAS MADE AND WAS SLIGHTLY OVER STEERED CAUSING THE PILOT TO INPUT LT BRAKE TO CORRECT. HE REPORTED WHEN HE APPLIED THE LT BRAKE PEDAL, THE PEDAL WENT TO THE FLOOR AND THE LT BRAKE WAS NOT EFFECTIVE. HE THENSDR AWH2011F00000Master Cylinder · failedPILOT REPORTED DURING STRAIGHT TAXI TO LOADING POSITION, THE LT BRAKE PEDAL WENT TO THE FLOOR 3 TIMES. THE ACFT WAS SHUTDOWN AND SECURED AND THE PILOT CALLED MX. 30 MINUTES LATER, THE PILOT CALLED AND REPORTED THE LT BRAKE OPERATED NORMALLY. MX REPLACED THESDR DJFA2011017Master Cylinder · failedDURING TAXI, CREW REPORTED BRAKES SPONGY AND PEDALS SLOWLY LOSING PRESSURE. MX FOUND THE RT BRAKE MIXING VALVE AND PILOT RT BRAKE MASTER CYLINDER FAILED. BOTH COMPONENTS WERE REPLACED.SDR COEA2011041302821Master Cylinder · failedFLIGHT 7202: LOSS OF NORMAL BRAKING UPON LANDING: UPON LANDING AT SITKA, FIRST OFFICER'S RIGHT HAND BRAKE FAILED TO ENGAGE AND BRAKE PEDAL WENT TO FLOOR. CAPTAIN'S BRAKES OPERATED PROPERLY AND HE CONTROLLED THE AIRCRAFT DURING TAXI TO THE RAMP. FAILURE WAS SDR CA110201012Piston · broken(CAN) DURING TAXI, THE LEFT BRAKE MASTER CYLINDER PISTON SNAPPED OFF AT THE RUDDER PEDAL CONNECTION JUST BELOW THE JAMB NUT. THE AIRCRAFT RETURNED TO IT`S PARKING SPOT. THE PILOT INFORMED MAINTENANCE THAT THE BRAKE WAS "LOOSE". MAINTENANCE REPLACED THE PISTON SDR 2011FA0000028Packing · malfunctionedFIELD ENGINEER REPORTED A SAFETY HAZARD OF THE PARKING BRAKE VALVE ASSY. IT IS THAT WHEN THE PILOT TOES THE BRAKE PEDALS NORMALLY THE PARKING BRAKE VALVE WILL CLOSE ITSELF. AND THE SAME MALFUNCTION HAS OCCURRED MANY TIMES IN THE PAST YEARS. AFTER DISASSEMBLSDR DXTA2011011104407Master Cylinder · underservicedDURING TAXI, THE BRAKES WOULD NOT WORK UNTIL THE PEDALS WERE PUSHED HALF WAY DOWN AND THEN THEY WOULD GRAB ABRUPTLY. THIS HAPPEN 2 TIMES FROM THE LT SEAT. SERVICED THE BRAKE MASTER CYLINDERS AND BLED THE BRAKES IAW MM 32-40-00. OPS AND TAXI CHECKS ARE GOOD SDR DXTA2010112904332Master Cylinder · lowPILOTS SIDE BRAKES ARE MUSHY AND THEN BECOME GRABBY AS THEY APPROACH THE FLOOR. UNABLE TO CHECK CO-PILOTS SIDE DUE TO PAX ONBOARD. INSPECTED BRAKE ACCUMULATOR, PRESSURE GOOD. RESEVOIR FLUID LEVEL GOOD, NOTED IN HISTORY LEFT BRAKES & MAXERET WERE BLED. CHECKSDR DXTA2010102004267Master Cylinder · leakingNO LT BRAKE PSI WHEN BRAKE PEDAL APPLIED. LT BRAKE PEDAL GOES ALL THE WAY TO STOP. RT BRAKE WORKS NORMAL. FOUND THE PILOTS LT MASTER CYLINDER LEAKING EXTERNALLY. REMOVED THE MASTER CYLINDER AND INSTALLED A INSPECTED MASTER CYLINDER REF MM 32-40-00. OPS AND LESDR YAD2010F00000Master Cylinder · unserviceableON LANDING, LT BRAKES LOCKED UP. PILOT STATED THAT AFTER LANDING THE LT BRAKES ACTIVATED WITHOUT INPUT FROM EITHER CREW MEMBER. THE DEGREE OF BRAKING ACTION WAS SLIGHT INITIALLY BUT BUILT AS TAXI PROGRESSED TO THE POINT THAT THE ACFT COULD NOT BE TAXIED AFTESDR 2010FA0001056Master Cylinder · crackedPILOT SQUAWK: LT PILOT SIDE BRAKE MASTER CYLINDER ROD BROKE AT THE THREADS BELOW PEDAL CLEVIS. LOST ALL BRAKING CONTROL ON LT SIDE. LT BRAKE MASTER CYLINDER, PN 9882012-5.SDR COEA2010091004911Generator · faultyENROUTE FROM SIT TO KTN FLIGHT 8216: WHILE ENROUTE THE NR 2 DC GENERATOR CONTROL UNIT WENT OFF LINE. CREW ATTEMPTED TO RESET THE GENERATOR WITHOUT SUCCESS. CREW ELECTED TO DIVERT TO SEA WHERE MAINTENANCE WAS AVAILABLE. SEA MAINTENANCE REMOVED AND REPLACED SDR DXTA2010091304230Master Cylinder · underservicedLT BRAKE PEDAL ON PILOT SIDE EXTREMELY SOFT AND ESSENTIALLY INOP. ALL OTHER BRAKE PEDALS AND LEVERS WORK AS REQUIRED. INSPECTED AND FOUND PILOTS LT MASTER CYLINDER 2 TABLESPOONS LOW ON FLUID. SERVICED LT MASTER CYLINDER. INSPECTED BRAKE LINES FROM SAID MASSDR HYIA68752RBRK810Master Cylinder · underservicedCREW REPORTED, RT BRAKE FAILED ON TAXI WHICH LEAD TO AFT PROCEEDING INTO GRASS OFF TAXIWAY. MX INSPECTED ACFT BRAKING SYS, SERVICED RT MASTER CYLINDER. ACFT RELEASED BACK TO SERVICE.SDR JIK2010F00001Master Cylinder · inoperativeON TAXI OUT FROM THE LOADING RAMP THE RT BRAKE PEDAL WAS NOT EFFECTIVE. THE PILOT TAXIED BACK TO THE LOADING RAMP WITHOUT INCIDENT. MX FOUND THE RT BRAKE MASTER CYLINDER WAS NOT HOLDING PRESSURE. REPLACED THE RT BRAKE MASTER CYLINDER WITH A SERVICEABLE PARTSDR CA100615009Shaft · brokenON LANDING, THE LT BRAKE PEDAL ROTATED FORWARD AND THERE WAS NO BRAKING ACTION. ONCE ON THE RAMP IT WAS DISCOVERED THAT THE MASTER CYLINDER PISTON SHAFT BROKE AT THE THREADS, FLUSH WITH THE END OF THE CLEVIS FITTING.SDR 2010FA0000440Piston · broken(Z94E) THE BRAKE PISTON ON THE LT BRAKE MASTER CYLINDER BROKE AT THE THREADED END WHERE IT ATTACHES TO THE CLEVIS. WHEN THE BRAKES FAILED THE PILOT VEERED TO THE RT AND STRUCK A RUNWAY TAXI LIGHT.SDR UALA2010041901289Bolt · missingRT MLG SIDE STRUT ATTACH POINT, WHERE IT ATTACHES TO THE SPINDLE ON THE OUTER CYL, SAFETY BOLTS ARE MISSING CHECKED NUT FOR PROPER TORQUE AND INSTALLED SAFETY BOLTS.SDR DXTA2010012903959Master Cylinder · weakLT BRAKE PEDAL ON CO-PILOTS SIDE NEARLY GOES TO THE FLOOR DURING BRAKE APPLICATION. OPERATION ON PILOTS SIDE APPEARS NORMAL. R & R LT BRAKE PEDAL MASTER CYLINDER ON COPILOTS SIDE WITH AN OVERHAULED UNIT. BLED BRAKES SYS; OPS CHECK SATISFACTORY IAW MM CHAPTESDR DXTA2010012703957Master Cylinder · weakCOPILOT SIDE, RT BRAKE PEDAL GOES SOFT DURING TAXI. AFTER PEDAL WAS ALMOST TO THE FLOOR, RELEASED PRESSURE, AND BRAKING WAS RESTORED. THIS HAPPENED 5 TIMES ON A 2 MILE TAXI. R & R COPILOTS RT MASTER CYLINDER IAW MM CHP 32-42-01. BLEED SYS IAW MM CHP 32-42-20.SDR DXTA2009122103904Master Cylinder · inoperativeLT BRAKE PEDAL ON CAPTAINS SIDE FADES TO THE STOP. T/S FOUND LT SIDE OTBD MASTER CYLINDER BAD. REMOVED AND REPLACED MASTER CYLINDER WITH A OVERHAULED UNIT. BLED BRAKES. LEAKS AND OPS CHECK GOOD AT THIS TIME IAW MM 32-42-02.SDR DXTA2009121503897Master Cylinder · leakingCAPTAIN'S LT BRAKE PEDAL GOES TO STOP WITH LITTLE OR NO PRESSURE. BRAKE PRESSURE GAUGE CONFIRMS NO PRESSURE. REMOVED LEAKING MASTER CYLINDER AND INSTALLED NEW MASTER CYLINDER IAW MM 32-40-00. OPS/LEAK CHECK GOOD.SDR DXTA2009120703882Master Cylinder · defectiveDURING TAXI OUT, CAPTAIN'S LT BRAKE PEDAL WENT ALL THE WAY TO STOP WHILE ATTEMPTING BRAKE APPLICATION, WITHOUT BRAKE EFFECTIVENESS. MADE 2 ATTEMPTS W/O SUCCESS. CO-PILOT BRAKES WORKED AND STOPPED ACFT. CAPT SIDE BRAKES REGAINED EFFECTIVENESS SHORTLY THEREAFTSDR CA091102009Piston Rod · broken(CAN) LT BRAKE MASTER CYL PISTON ROD BROKE IN THREAD AREA.SDR GUUA95532081209AMaster Cylinder · failedPILOT REPORTS RT BRAKE GOES TO FLOOR WITH NO BRAKING ON CAPTAIN`S BRAKE. REPLACED CAPTAIN RT BRAKE MASTER CYL. OPS CHECK SATISFACTORY. NOTE: PREVIOUSLY SUBMITTED OPENSDR IXXA09SMN067SFitting · corrodedDURING ROUTINE C-CHECK INSP FOUND RT MLG WHEEL WELL FITTING CORRODED AT STA 940.000 LONGERON 24 RT. REMOVED CORROSION. FOUND OUT OF LIMITS. REMOVED FASTENERS AS NEEDED TO PERFORM REPAIR. REMOVED DAMAGED FITTING. FABRICATED SPLICES, DOUBLER, AND FILLERS. CLESDR USAA2009061191460O-Ring · leakingFLT 977 CLT-PDX - RETURN TO FIELD - CREW REPORTED LOSS OF YELLOW HYDRAULIC SYSTEM. AIRCRAFT RETURNED TO CLT AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED O-RING ON BRAKE AUTOMATIC SELECTOR 2576GM. SERVICED SYSTEM AND OPERATED WITH NO LEAKS NOTEDSDR 2009FA0000393Master Cylinder · unserviceableEXCESSIVE PREMATURE FAILURE OF THE MLG WHEEL BRAKE MASTER CYLINDERS, 17 SETS OF MASTER CYLINDERS WITH IDENTICAL SN, SUSPECT CONTAMINATION BEING INDUCED INTO COMPONENTS AT THE MFG SITE, SUSPECT THESE COMPONENTS ARE BEING OVERHAULED AND THEN SOLD AS "NEW". RSDR DXTA2009041303590Master Cylinder · malfunctionedON LANDING ROLLOUT, CAPTAINS LT BRAKE PEDAL WOULD GO ALL THE WAY TO THE FLOOR AND GRAB VERY LITTLE. REMOVED FAULTY PILOTS LEFT MASTER CYLINDER AND INSTALLED NEW MASTER CYL IAW MM 32-42-02. BLED BRAKES IAW 32-42-00. OPS CHECK GOOD. PEDALS FEEL NORMAL AT THIS TSDR GUUA94232040309AMaster Cylinder · malfunctionedPILOT REPORTS RT BRAKE PEDAL STILL GOES TO THE GROUND. HAVE TO CONSTANTLY PUMP TO BRAKE. REPLACED NR 4 BRAKE MASTER CYL, BLED BRAKE LINES. OPS CHECK NORMAL.SDR 2009FA0000249Master Cylinder · failedCOMPLETE RT BRAKE IND SYS FAILURE WHILE TAXING THE ACFT. NO VISIBLE SIGNS OF DAMAGE OR FLUID LEAKAGE, POSSIBLY DEFECTIVE MASTER CYLINDER OR BRAKE CALIPER ASSY.SDR DXTA2009030503528Master Cylinder · inoperativeNO RESISTANCE ON CAPTAINS SIDE LEFT BRAKE PEDAL. REMOVED AND REPLACED PILOTS LT MASTER CYL WITH O/H UNIT. BLED BRAKE SYSTEM LEAK CHECK GOOD, TAXI CHECK BRAKE OPS CHECK GOOD, ALL 4 BRAKE PEDALS ARE FIRM. WORK IAW MM 32-42-00 AND CH 32-42-02SDR DXTA2009030403528Master Cylinder · inoperativeREMOVED AND REPLACED PILOTS LT MASTER CYL WITH O/H UNIT. BLED BRAKE SYSTEM LEAK CHECK GOOD, TAXI CHECK BRAKE OPS, CHECK GOOD, ALL 4 BRAKE PEDALS ARE FIRM. WORK IAW MM CH 32-42-00 AND CH 32-42-02.SDR CA090302005Rod End · sheared(CAN) DURING ROLLOUT INSTRUCTOR’S LT MASTER BRAKE CYLINDER PISTON ROD END CLEVIS SHEARED OFF UNDER MODERATE BRAKING. STUDENT COMPLETED TAXI TO PARKING APRON.SDR GUUA93832020109AMaster Cylinder · malfunctionedFLIGHT: 9171 TPA/MIA DURING TAXI CAPTAINS RIGHT BRAKE GOES FLAT. REPLACED RIGHT BRAKE PEDAL MASTER CYLINDER.SDR Z5FA011309N341CS1Master Cylinder · defectiveDURING TAXI OUT, CO-PILOT'S BRAKES WENT TO FLOOR ON INITIAL APPLICATION, PILOT TOOK CONTROL OF BRAKES AND RETURNED TO FBO. MX CREW WENT TO AIRCRAFT, TROUBLESHOT, REPLACED CO-PILOT'S LT AND RT MASTER CYLINDERS, BLED BRAKED, OPERATION SATISFACTORY, RETURNED ACFSDR DXTA2008121903410Master Cylinder · leakingLT BRAKE PEDAL ON PILOT'S SIDE WILL NOT HOLD PRESSURE WITH STEADY SLOW PRESSURE APPLIED, THE PEDAL GOES TO THE FLOOR. TS SYS REMOVED PILOTS LT WHEEL BRAKE MASTER CYLINDER AND INSTALLED OVERHAULED MASTER CYLINDER IAW AMM 32-42-02 REV 25. BLEED BOTH RT AND LT
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