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 AALA202610101350Master Cylinder · defectiveAIRCRAFT WAS GROUNDED: RIGHT BRAKE UNABLE TO MODULATE BRAKING PRESSURE, RIGHT BRAKE PEDAL HAS LITTLE OR NO FEEDBACK - MAINTENANCE REPLACED THE RIGHT-HAND MASTER CYLINDER AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 32-43-12SDR COEA2026082705738Master Cylinder · failedFLIGHT 7804, PILOT SIDE RIGHT BRAKE PEDAL INEFFECTIVE. REPLACED ALL 4 MASTER CYLINDERS AND RT BRAKE ASSEMBLY. FLUSHED ENTIRE SYSTEM. ALL CHECKS GOOD.SDR 37CA2026070900144Skid · corrodedCORROSION WAS IDENTIFIED IN THE SKID TUBE BUSHING AREA WHERE SKID SHOE THROUGH BOLTS ATTACH.SDR ELYA20250804004Master Cylinder · bypassingCOMPLETE LOSS OF LEFT BRAKE. REMOVED AND REPLACED MASTER CYLINDER.SDR DALA2025062304667Fitting · shearedSHIP 3236 - MISC/DE - DUE TO L/G DOORS NOT CLOSED ECAM WARNING AT GEAR EXTENSION. FOUND LH FORWARD GEAR DOOR ACTUATOR FITTING ON THE KEEL BEAM WITH SHEARED FASTENERS. MAINTENANCE STILL IN PROGRESS. (LP: 7474401)SDR AALA202503234383Master Cylinder · low pressureAIRCRAFT WAS GROUNDED: AFTER AUTOBRAKES DISENGAGED, LEFT BRAKE PEDAL DEFLECTION FOR FIRST 3" OF TRAVEL, DOES NOT PRODUCE ANY BRAKING. MAINTENANCE REPLACED THE ALTERNATE BRAKE MASTER CYLINDER AND ACCOMPLIHSED A SATISFACTORY LEAK / OPERATIONAL CHECK PER AMM 32-4SDR AALA202409108825Master Cylinder · leakingAIRCRAFT WAS GROUNDED: UPON LANDING LEFT BRAKES GRABBED HARD, RIGHT BRAKES PUSHED TO FLOOR FOR BRAKE APPLICATION. TAXI IN BOTH BRAKES VERY SOFT PUSHEDTO FLOOR FOR FULL STOP. **ORIGINAL REPORT WAS AALA202409023554** MAINTENANCE REPLACED THE BRAKE CONTROL HYDRAUSDR AALA202409106689Master Cylinder · leakingAIRCRAFT WAS GROUNDED: UPON LANDING LEFT BRAKES GRABBED HARD, RIGHT BRAKES PUSHED TO FLOOR FOR BRAKE APPLICATION. TAXI IN BOTH BRAKES VERY SOFT PUSHEDTO FLOOR FOR FULL STOP. **ORIGINAL REPORT WAS AALA202409023554** MAINTENANCE REPLACED THE BRAKE CONTROL HYDRAUSDR AALA202407088714Master Cylinder · leakingAIRCRAFT WAS GROUNDED: FLIGHT CREW REPORTED THAT THE RIGHT BRAKE PEDAL HAS 1-2 INCHES OF TRAVEL BEFORE ENGAGING. MAINTENANCE FOUND THE FLUID LEVEL OF THE LOW PRESSURE BRAKE RESERVOIR BELOW LIMITS DUE TO THE RIGHT BRAKE MASTER CYLINDER 2626GM LEAKING WHICH WAS SDR SWAA2024062003261Wheel · abnormalAFTER LANDING AT TAXI. SPEED FELT SLIGHT SHIMMY FROM NOSE WHEEL AND TOWER REPORTED SMALL AMOUNT OF SMOKE FROM FRONT OF AIRCRAFT/ ONCE INFORMED OF SMOKE AIRCRAFT WAS STOPPED/ IN CONCURRENCE WITH STOP SMOKE WAS NO LONGER OBSERVED AND GROUND PERSONNEL CONFIRMED #SDR AALA202406205113Master Cylinder · leakingAIRCRAFT WAS GROUNDED: FLIGHT CREW REPORTED WHEEL BRAKE VIBRATION ON LANDING ROLLOUT STARTING APPROXIMATELY 60 KNOTS TO 30 KNOTS. MAINTENANCE FOUND THE RIGHT HAND BRAKE MASTER CYLINDER LEAKING AND REPLACED IT PER AMM 32-43-12. A SATISFACTORY LEAK / OPERATIONALSDR 141A2024040200002Master Cylinder · defectiveLEFT HAND BRAKE INEFFECTIVE. MAINTENANCE REPLACED LEFT HAND MASTER CYLINDER. PERFORMED HIGH SPEED TAXI. OPS CHECKED GOODSDR SWIA20231120Unknown · warning messageMLG OVERHEAT WARNING MESSAGE DURING DESCENT. EVERY TIME WE RESET THE MASTER WARNING, IT WOULD GO OFF AGAIN. FOLLOWED QRH PROCEDURE. WITH GEAR FULLY DOWN, ALL BRAKE TEMPS SHOWED ZERO BUT THE WARNING MESSAGE PERSISTED. WARNING WENT AWAY ONCE WE WERE FULLY CONFIGSDR ENHA202310251716Brake Sys · faultyRIGHT BRAKE MUSHY- AT TIMES NON-RESPONSIVE BRAKE ON RIGHT MAIN GEAR-YAWS PLANE TO THE LEFT ON TAXISDR FDEA202310101738Brake · failedUPON GEAR RETRACTION ON TAKEOFF IN IND WE GOT A BRAKE TEMP LIGHT ON CLIMB OUT. THE #6 BRAKE CONTINUED TO CLIMB AND PEAKED AT 7. WE RAN QRH PROCEDURES AND EXTENDED THE GEAR TO COOL THE BRAKE. UPON LANDING IN PHX THE #6 BRAKE INDICATOR WAS THE FIRST ONE TSDR YADA2023092101Master Cylinder · failedPILOT REPORTED AFTER LANDING AND DURING TAXI "PILOT SIDE LEFT BRAKE GOES FLAT". MAINTENANCE PERFORMED TROUBLESHOOTING AND FOUND THAT THE PILOTS LEFT PEDAL BRAKE MASTER CYLINDER WAS FULLY COMPRESSING CAUSING PEDAL TO GO ALL THE WAY TO THE FLOOR. PILOTS LEFT PESDR KCQA202306050504Hose · leakingPILOT RH HAND BRAKE INOPERATIVE. ON WO# 000101 DATED 06/05/2023 FOUND EMPTY BRAKE RESERVOIR. INSPECTED BRAKE PLUMBING AND FOUND LEAKING LOWER HOSE ON PILOT SIDE RH MASTER CYLINDER. REMOVED AND REPLACED WITH NEW HOSE AND BLED BRAKES IAW BE99 AMM 32-40-00 ANDSDR SIMA20230414001Unknown · unknownRIGHT MAIN LANDING GEAR WHEEL WELL ELECTRIC FUMES/ ACID ODOR ALSO LIQUID SPILL/ HIDRAULICS-C/A-RESECURED HYD LINE ON #1 BRAKE VALVE & REMOVED AND REPLACED O-RINGS IAW AMM - 32-44-01. NO LEAKS NOTED.SDR UOIA2023041200006Master Cylinder · blockedAFTER LANDING LOSS BRAKE ACTION.SDR IPXA2023040392540Anti-Skid Sys · warning messageANTISKID INOP EICAS MSG QRH PROCEDURE ACCOMPLISHED. ANTISKID/AUTOBRAKE CONTROL UNIT SHOWS VLV 7 NIL TIME OR PARTS AT EMA. XFERD TO MIL IAW MEL 32-42-1-1A DEACTIVATED BY SPECIAL TOOL CAT C 10 DAYS. PLAARS INSTALLED DMP C/OUT SATISREVERSED DMP 32-42-1-1A (SLIDE SDR 2023FA0000181Unknown · unknownCREW REPORTED ON APPROACH 6 INTO KTEB, PRIOR TO FAF, AMBER BRAKE 50% DEGRADED CAS MESSAGE POSTED. EXECUTED GO-AROUND, WITH TOWER INSTRUCTIONS. VECTORED TO FIGURE OUT THE SITUATION. ASKED FOR DIVERSION INTO KEWR. WERE GIVEN DELAYED VECTORS DUE TO AN EMERGENCY ASDR IPXA2023030491510None · inoperativeINSPECTION TYPE:NAON LANDING ROLL AUTO BRAKES DID NOT DISENGAGE BY USING THE SPEED BREAK LEVERPERFORMED OPERATIONAL TEST PER AMM 32-42-00-715-263. TEST GOOD & NO HISTORY.SDR SWIA20230223Unknown · crackedIN RH W/W, BRAKE PRESSURE TRANDUCER'S FWD HYD LINE MOUNTING BRACKET IS CRACKED (MARKED). (C-CHECK RO 4/5/2023) REPLACED RH MLG UPPER W/W BRAKE PRESSURE TRANSDUCERS FWD HYD MOUNTING BRACKET. REF CRJ200 SRM 51-42-06 AND REF DWG 601R75261 REV -N. PRESSURE SDR MTNA20230127001Master Cylinder · faultedON TAXI TO RAMP IT WAS OBSERVED THE CAPTAINS RIGHT SIDE BRAKE WAS INEFFECTIVE. REPLACED CAPTAINS BRAKE MASTER CYLINDER. OPS CHECK GOOD. NO LEAKS NOTED.SDR SWIA202266739None · overheatedBRAKE OVER HEAT MASTER WARNING IN DECENT. COME ON SHOWED 12 ON RIGHT INBOARD THE WENT TO 0, WENT AWAY. CAME BACK ON AT 20. FLOWED QRH STAYED RED 0 ALL THE WAY TO THE GATE. (FLIGHT 3083 - FILED CLOSED) THIS DISCREPANCY WAS TRANSFERRED TO CAMP ITEM 25769593SDR 2022FA0000662Master Cylinder · detachedPILOT R/H MASTER CYLINDER PISTON CAME OUT OF HOUSING WHEN PARKING BRAKE WAS APPLIED. THIS CAUSING THE RUDDER PEDAL TO FALL BACKWARDS. SNAP RING RETAINS GLAND THAT PREVENTS THE PISTON AND SHAFT FROM SEPARATING FROM HOUSING.SDR 2022FA0000661Master Cylinder · detachedCO-PILOT L/H MASTER CYLINDER PISTON PULLED OUT OF HOUSING WHEN PARKING BRAKE APPLIED. CAUSING THE L/H RUDDER PEDAL TO FALL BACKWARDS. SNAP RING RETAINS GLAND HOLDING PISTON INSIDE OF MASTER CYLINDER.SDR YENA2022110101050None · failedFLT# 8598, VQQ-FLL. BRAKES ALTERNATE (R) RELEASE ECAM MSG, AFTER GEAR DOWN, WENT AROUND MAINT SAID TO CYCLE A/SKID NW SWITCH, MESSAGE WENT AWAY BUT RETURNED ON NEST GEAR DOWN; REMOVED & REPLACED RH ALTERNATE BRAKE DIRECT DRIVE VALVE (98GG) IAW AMM32-43-35. OPSSDR WX0A1900010074286Servo Valve · faulty(EMERGENCY DECLARED) AFTER SELECTING GEAR DOWN RECEIVED BRAKES ALTN R RELEASED, ECAM MESSAGE ""ALTN R BRK"" WAS DISPLAYED ON STATUS PAGE./ R&R BRK ALTN SERVOVALVE,R&R PRESS XDCR-BRK,YELLOW R (100GG) IAW AMM 32-44-29,R&R PRESS XDCR 100GG CONNECTOR (100GGA) IAWSDR 2022FA0000535Piston Rod · brokenTHE THREADED END OF THE RIGHT BRAKE MASTER CYLINDER PISTON ROD SNAPPED OFF WHILE BLEEDING THE BRAKES. THE SEATS WERE OUT OF THE AIRCRAFT FOR ANNUAL INSPECTION SO THE RUDDER PEDAL WAS ONLY BEING PUSHED BY HAND. THE BROKEN END OF THE ROD LOOKED LIKE IT HAD BEESDR IPXA2022052382383Anti-Skid Sys · warning message**EMERGENCY DECLARED** **NORMAL LANDING** DURING CRUISE-EICAS ANTI SKID ILLUMINATED RAN QRH-NO CHANGE. DMP COMPLIED WITH. M781726REPLACED #8 XDCR PER 32-42-06-044-023 & 32-42-06-404-010. REPLACED SKID CONTROL UNIT PER 32-42-01-024-069 & 32-42-01-404-021. CHECSDR GTIA2022051636424None · fault messageDURING APPROACH KSNA SELECTING GEAR DOWN, ECAM CAUTION BRAKE ALT BRK FAULT WHEEL SYST PAGE WAS NORMAL, HYD PRESS NORMAL (G,B,Y) ACCUM PRESSURE NORMAL UPON LANDING AT KLAS (AIR RETURN) ECAM CAUTION BRK SYS 1 FAULT UPON LANDING AUTOBRAKES & NORMAL BRAKES OPERATESDR IPXA2022041481168None · failedINSPECTION TYPE:NA**EMERG DECLARED** ANTI SKIDE R FAIL DURING FIRST APPROACH WENT AROUND AND ACCOMPLISH QRH PROCEDURE 2ND APPROACH NO INDICATION NON EVENTFUL LANDINGACCOMPLISHED FIMM 32 40 12 00 FIG 110 BLOCKS 1,2, AND 3 FOUND FAULT LAST FLIGHT A/S VALVE SYS 1SDR FDEA202204050873Brake · damagedBRAKE OVERHEAT ON TAXI OUT. NUMBER 5 BRAKE GOT TO 710. AIRCRAFT STOPPED AND WHILE STOPPED THE FUSE PLUG BLEW AND PRESSURE WENT TO ZERO. INSPECTED #5 MLG AXLE IAW MD11 AMM 32-43-20-4 NO HEAT DAMAGE, INSTALLED NEW #5 BRAKE AND TIRE. ALL TEST PASSED AND TSDR YENA2022031400176Accumulator · underservicedFLT#2736, LAX-SFO. 'ALTERNATE BRAKE SYSTEM TEST FAILED ( BRAKE PRESSURE 1000 PSI AND ACCUMULATOR NEAR 0); FOUND BRAKE ACCUMULATOR PRESS LOW. SERVICED TO SPECIFIED LIMIT REF AMM 12-14-32. AND ACCOMPLISHED OPERATIONAL CHECK OF ALTERNATE BRAKING SYSTEM FOUND SATSDR MTNA20220312001Master Cylinder · weakFO'S RIGHT BRAKE PEDAL WEAK IN EFFECTIVENESS. REMOVED AND REPLACED FO MASTER BRAKE CYLINDER. OPS AND LEAK CHECK GOOD.SDR YADA2021123101None · nonePILOT REPORT - CAPTAINS LEFT BRAKE PEDAL LOOSES PRESSURE AND GOES TO FLOOR - NO BRAKE. MAINTENANCE REPLACED THE CAPTAINS LEFT BRAKE MASTER CYLINDER.SDR SIMA20210922001None · noneENROUTE HAD BRAKE LIGHT ON ?IN FLT. EMERGENCY DECLARED - IN CLIMBOUT PRKG BRK NOT RELEASED CAUTION STAYED ON UNTIL AFTER LDG BRK FAULT ADVISORY MSG THEN CAM ON AND EXTINGUISHED AT GATE-C/A-PERFORMED OPS CHECK OF SYSTEM AND INSPECTED SYSTEM OPS CHECK FAILED INSSDR AALA202109214315Switch · failedAIRCRAFT WAS GROUNDED: AUTO BRAKE FAILED UPON LANDING AUTO BRAKE DISARM LIGHT EXTINGUISHED IN OFF POSITION. REMOVED AND REPLACED LEFT SWITCH PACK PER WORK CARD 08L11276001.SDR HYIA20210525001Master Cylinder · faultedTHE PILOT A LOSS OF PRESSURE ON THE RIGHT BRAKE DURING PARKING. MAINTENANCE INSPECTED AND FOUND THE RIGHT MASTER CYLINDER TO BE AT FAULT. REPLACED THE MASTER CYLINDER HOSE, AND RESEALED THE MASTER CYLINDER. PERFORMED BLAKE BLEEDING PROCEDURES WITH NO FURTHER SDR MTNA20210326001Master Cylinder · inoperativePILOT REPORTED RIGHT HAND BRAKE SOFT. REMOVED AND REPLACED RIGHT BRAKE MASTER CYLINDER. OPS CHECK GOOD.SDR COEA2020070704946Master Cylinder · failedFLIGHT 7770, LEFT BRAKE HAD NO BRAKING ACTION, PEDAL GOES TO THE FLOOR. MAINTENANCE REPLACED THE BRAKE MASTER CYLINDER. OPS AND LEAK CHECKED GOOD.SDR 2020FA0000287Nut · looseLEFT BRAKE PEDAL DID NOT PROPERLY ACTUATE BRAKES. PEDAL WAS SOFT AND APPLIED LITTLE TO NO BRAKING ACTION ON LEFT BRAKE. CORRECTIVE ACTION. JAM NUT ON HYDRAULIC ELBOW TO BRAKE MASTER CYLINDER LOOSE. TIGHTEN JAM NUT TO ELBOW. NO LEAKS NOTED ON BRAKE MASTER CYLINSDR O2GA2020032001Master Cylinder · leakingTHE CREW EXPERIENCED A LEFT MAIN LANDING GEAR BRAKE ISSUE DURING TAXI. POST INSPECTION LEFT MAIN TIRES WERE FLAT SPOTTED. MAINTENANCE REPLACED THE #1 AND #2 WHEEL/ TIRE AND BRAKE ASSEMBLIES. PILOT SIDE LEFT BRAKE MASTER CYLINDER WAS ALSO REPLACED. SYSTEM AND TSDR 5JGA2020030600000Master Cylinder · failedTHE PILOT EXPERIENCED A TOTAL FAILURE OF THE LEFT BRAKE SYSTEM DURING LANDING, NO EXTERNAL LEAKS WERE DETECTED FOLLOWING INSPECTION AND THE RESERVOIR WAS FULL, AIR WAS NOTED IN THE RESERVOIR IMMEDIATELY DURING THE BLEEDING PROCEDURE.SDR AALA202001149014Master Cylinder · defectiveAIRCRAFT WAS GROUNDED: CAPT LEFT BRAKE PEDAL FEELS SPONGY. REMOVED AND REPLACED LEFT BRAKE CONTROL MASTER CYLINDER IAW AMM 32-43-12-000-001-A.SDR SWIA2020021448453Attach Bracket · crackedLH MLG W/W HYDRAULIC PRESSURE TRANSDUCER ATTACH BRACKET AT LWR SURFACE OF PRESSURE FLOOR SKIN, BROKEN. (C-CHECK) RO 2/10/2020 REMOVED AND REPLACED ATTACH BRACKET FOR PRESSURE TANSDUCER LH MLG W/W IAW CRJ200 SRM. P/N:MS20470AD5-6 TAG:B15674. P/N:601R7526SDR SWIA2020021448452Attach Bracket · crackedRH MLG W/W HYDRAULIC PRESSURE TRANSDUCER ATTACH BRACKET AT LWR SURFACE OF PRESSURE FLOOR SKIN, BROKEN. (C-CHECK) RO 2/10/2020 REMOVED AND REPLACED ATTACH BRACKET FOR PRESSURE TRANSDUCER RH MLG W/W IAW CRJ200 SRM. P/N:MS20470AD5-6 TAG:B15674 P/N:601R75262-SDR YADA20191223001Master Cylinder · cavitatesCAPT AND FO LEFT BRAKE PEDAL UNRESPONSIVE.SDR HYIA20191112004O-Ring · leakingPILOT REPORTED RIGHT BRAKE FAILURE. MAINTENANCE INSPECTED AND FOUND AN O-RING IN THE RIGHT MASTER CYLINDER BLEEDING BY. RE-SEALED THE RIGHT MASTER CYLINDER WITH NO FURTHER DEFECTS NOTED.
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