# JASC 3241: Brake Anti-Skid Section

- Type: JASC system/component code (FAA)
- ATA chapter: 32 Landing Gear
- Title in the code table: BRAKE ANTI-SKID SECTION
- Service difficulty reports: 1,310
- FAA code table: https://www.faa.gov/sites/faa.gov/files/JASC_Code.pdf#page=34
- Page: https://openairdocs.org/jasc/3241

## What it covers

The system units and parts that automatically control brake pressure during landing roll to prevent tire skidding. Typical parts are transducer, control box, valve, etc.

## Service difficulty reports (1,310, newest 50)

- [SDR CALA2026100820212](https://openairdocs.org/sdr/CALA2026100820212), Oct 6, 2026: Boeing 75733N. AUTOBRAKE SYS. FAULTED. NORM ANTISKID EICAS S ANTI SKID SYSTEM FAILURE IN THE NORMAL SYSTEM. PILOTS STATED: TRIED RESET TWO TIMES. MESSAGES CAME (N57864)
- [SDR ABXA20261005447](https://openairdocs.org/sdr/ABXA20261005447), Oct 5, 2026: Boeing 767341. WARNING LIGHT. ILLUMINATED. AFTER BLOCK OUT, ANTI-SKID EICAS AND LIGHT CAME ON. RETURNED TO GATE (BTB). MTC DEFERRED ANTI-SKID COMPLETE SYSTEM IAW M (N760CK)
- [SDR DALA2026100505507](https://openairdocs.org/sdr/DALA2026100505507), Oct 3, 2026: Boeing 737932ER. WARNING MESSAGE. ILLUMINATED. DECLARED EMERGENCY DUE TO ANTISKID INOP ANNUNCIATION. FOUND HIGH RESISTANCE ON ANTISKID VALVE V7. REPLACED SAME AND PERF (N830DN)
- [SDR DALA2026100205473](https://openairdocs.org/sdr/DALA2026100205473), Oct 1, 2026: Boeing 717200. ANTI-SKID SYS. WARNING MESSAGE. ATO- DISCONTINUED TAKEOFF ROLL AT 25KTS AFTER RECEIVING AN ANTI-SKID FAIL MESSAGE. MAINTENANCE TROUBLESHOOT PER B717 FIM (N895AT)
- [SDR CALA2026092219684](https://openairdocs.org/sdr/CALA2026092219684), Sep 19, 2026: Boeing 777222. ANTI-SKID VALVE. FAULTED. ANTI-SKID NORM VLV R EICAS STATUS ONE ANTISKID NORMAL VALVE FAULT ON THE RIGHT MAIN LANDING GEAR.DB BRAKE SYSTEM CONTROL (N210UA)
- [SDR VNAA2026092225202](https://openairdocs.org/sdr/VNAA2026092225202), Sep 18, 2026: Cndair CL6002D24. CONTROL UNIT. UNSERVICEABLE. BRAKE OVHT WARNING MSG DURING CRUISE, NR 3 SENSOR, LT INBD CHANNEL ALSO FAILED ON LANDING WITH RT INBD ON MEL. REF. H78A (N612NN)
- [SDR CALA2026091419415](https://openairdocs.org/sdr/CALA2026091419415), Sep 13, 2026: Boeing 737924ER. CONTROL MODULE. FAULTED. ANTI SKID INOP LIGHT ILLUMINATED DURING TAKEOFF AND STAYED ON DU RING FLIGHT PERFORMED BITE TEST, REF FIM 32-42 TASK 801 (N37420)
- [SDR CALA2026090919333](https://openairdocs.org/sdr/CALA2026090919333), Sep 7, 2026: Boeing 737824. TRANSDUCER. FAULTY. ANTI SKID INOPERATIVE ON T/O AT 120 KTS. LIGHT REMAINS ON. PERFORMED ANTI SKID BITE HAD SP CO LI & XDCR 2 FAULTS. PLACED (N13227)
- [SDR DXTA2026082809460](https://openairdocs.org/sdr/DXTA2026082809460), Aug 27, 2026: Cessna 680A. CONTROLLER. FAILED. ANTISKID FAIL AMBER CAS. ON CLIMB OUT, ILLUMINATED AND CLEARED ITSELF. ON DESCENT, ILLUMINATED AND CLEARED. FOQA DATA IN (N977QS)
- [SDR K11A2026082700386](https://openairdocs.org/sdr/K11A2026082700386), Aug 27, 2026: Boeing 737883. ANTI-SKID SYS. FAILED. ALL 4 MAIN TIRES BLEW ON LANDING. WHEELS GROUND DOWN TO BRAKES ON BOTH SIDES OF AIRCRAFT. ACFT STOPPED ON RUNWAY, NO LON (N326FL)
- [SDR DXTA2026081409241](https://openairdocs.org/sdr/DXTA2026081409241), Aug 11, 2026: Emb EMB505. TRANSDUCER. FAULT MESSAGE. UPON LANDING AND INITIAL BREAK APPLICATION, RECEIVED A STRONG RT YAW FROM THE ACFT FOLLOWED BY ANTI-SKID FAIL CAS. REMOV (N443QS)
- [SDR DXTA2026081209220](https://openairdocs.org/sdr/DXTA2026081209220), Aug 10, 2026: Cndair CL6002B16. CONTROLLER. FAULTY. A SKID OTBD AMBER CASS MESSAGE CAME ON DURING LANDING PHASE. RAN QRH, DIVERTED TO KBED. REMOVED AND REPLACED ANTI-SKID C (N219QS)
- [SDR DALA2026072704337](https://openairdocs.org/sdr/DALA2026072704337), Jul 24, 2026: Boeing 737832. VALVE. FAULTY. DIVERTED TO LAX DUE TO AN ANTI-SKID FAULT LIGHT. R & R NRML A/S VALVE V7, CKS GOOD. (9626624) AIRCRAFT WAS GROUNDED (N3743H)
- [SDR DALA2026072204294](https://openairdocs.org/sdr/DALA2026072204294), Jul 22, 2026: Boeing 737932ER. CONTROL BOX. WARNING MESSAGE. D/E- PASSING ABOUT 13K ALTITUDE ANTISKID LIGHT CAME ON. WE HAD ALREADY ACCOMPLISHED AFTER T/O CHECK LIST AND LIGHT WAS O (N864DN)
- [SDR SWAA2026072773191](https://openairdocs.org/sdr/SWAA2026072773191), Jul 20, 2026: Boeing 7378. CONTROL UNIT. FAULTY. ANTI SKID INOP LIGHT ILLUMINATED. CREW STATED ANTI SKID INOP LIGHT ILLUMINATED ON TAKE OFF ROLL AND REMAINED THROUGH OUT (N8866H)
- [SDR DALA2026062403747](https://openairdocs.org/sdr/DALA2026062403747), Jun 23, 2026: Boeing 737832. CONTROL BOX. INOPERATIVE. MISC/DE- DECLARED EMERGENCY INTO SEA DUE TO MOMENTARY ANTI-SKID LIGHT DURING TAKEOFF LAS. PERFORMED AACU BITE CHECK. FOU (N3742C)
- [SDR 3EJA20260525002](https://openairdocs.org/sdr/3EJA20260525002), May 18, 2026: Cessna 560XL. ANTI-SKID SYS. UNSERVICEABLE. ANTI-SKID LIGHT FLASHED JUST BEFORE LANDING, NO MAIN BRAKES, USED EMERGENCY BRAKE TO STOP. (N809JS)
- [SDR VNAA2026051318001](https://openairdocs.org/sdr/VNAA2026051318001), May 10, 2026: Cndair CL6002D24. WARNING MESSAGE. FALSE ACTIVATION. A/SKID INBD CAUTION WHEN GEAR DOWN FOR LANDING AND IB GND SPOILER FAULT STATUS MSG.FOLLOWED QRH. MSG DISAPPEARED WHEN GE (N636NN)
- [SDR DALA2026050102770](https://openairdocs.org/sdr/DALA2026050102770), Apr 30, 2026: Boeing 7572Q8. TRANSDUCER. FAULTED. DECLARED AN EMERGENCY - DUE TO ANTISKID MESSAGE ON DESCENT. REPLACED #6 WHEEL SPEED TRANSDUCER. (8370166) AIRCRAFT WAS G (N712TW)
- [SDR 2026FA0000297](https://openairdocs.org/sdr/2026FA0000297), Apr 16, 2026: Boeing 7879. CONCENTRATOR. FAULTED. ANTISKID 5 STATUS AXLE AND BRAKE FAULT. PERFORMED FIM PROCEDURE AS PER DMC B787-A-32-40-F2-A6A-421A-A. PRIOR TO TAKE OFF
- [SDR DALA2026032201929](https://openairdocs.org/sdr/DALA2026032201929), Mar 19, 2026: Boeing 717200. ANTI-SKID SYS. FAULTED. DUE TO RIGHT ANTISKID FAIL ON APPROACH ATL. CORRECTIVE ACTION: FAULTED #3 WHEEL SPEED TRANSDUCER. REPLACED SAME NO HELP. (N989AT)
- [SDR DXTA2026031307214](https://openairdocs.org/sdr/DXTA2026031307214), Mar 11, 2026: Cndair CL6002B16. WARNING MESSAGE. FALSE ACTIVATION. ON TAXI OUT WE GOT THE AMBER A/SKID INBD CAS MESSAGE.2). ON TAXI OUT WE GOT THE AMBER A/SKID OUTBD CAS MESSAGE. DOWNLOAD (N245QS)
- [SDR AALA202603102119](https://openairdocs.org/sdr/AALA202603102119), Mar 6, 2026: Boeing 737823. SHUTOFF VALVE. FAULTY. AIRCRAFT WAS GROUNDED: ANTI-SKID INOPERATIVE LIGHT ILLUMINATED AUTOBRAKE DISARM LIGHT REMAINS ILLUMINATED. REMOVE AND RE (N892NN)
- [SDR AALA202602237230](https://openairdocs.org/sdr/AALA202602237230), Feb 21, 2026: Boeing 7378. ANTI-SKID SYS. FAULTY. AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS NOT DECLARED DUE TO: ANTI-SKID INOPERATIVE LIGHT ILLUMINATED DURING FLIGHT. AIRC (N308TB)
- [SDR CALA2026021713842](https://openairdocs.org/sdr/CALA2026021713842), Feb 15, 2026: Boeing 7879. CONTROL CARD. FAULTED. ANTI-SKID ADVISORY FAULT DETECTED IN ANTISKID SYS. AHM INDICATES MM 32-30042 FAULTING THE RDC 7 RT INBD BRAKE SYS CONTRO (N35953)
- [SDR DALA2026021201019](https://openairdocs.org/sdr/DALA2026021201019), Feb 10, 2026: Boeing 757251. CONTROL UNIT. FAULTED. SHIP 5652 MISC/DE- CREW DECLARED EMERGENCY INTO ATL DUE TO ANTISKID EICAS MESSAGE IN FLIGHT. C/W QRH. UNEVENTFUL LANDING (N552NW)
- [SDR ABXA20260120023](https://openairdocs.org/sdr/ABXA20260120023), Jan 20, 2026: Boeing 767383. ANTI-SKID VALVE. LEAKING. AFTER ENGINE START UP RT HYD QTY - 0. RH ANTI-SKID SELF RESETTING FUSE VALVE HYD LEAK. AIRCRAFT RETURNED TO BLOCKS (BTB) (N226CY)
- [SDR 4TXA2026010422501](https://openairdocs.org/sdr/4TXA2026010422501), Jan 3, 2026: Boeing 737401. COMPUTER. INTERMITTENT. #3 MLG TIRE BLEW ON LANDING ROLL. REQUIRED CONDITIONAL INSPECTION. PERFORMED CONDITIONAL INSPECTION I.A.W. AMM 05-51-54, (N804TJ)
- [SDR DALA2025122309338](https://openairdocs.org/sdr/DALA2025122309338), Dec 22, 2025: Boeing 737932ER. CONTROL UNIT. FAULTED. DECLARED EMERGENCY DUE TO ANTI-SKID LIGHT ILLUMINATED AFTER TAKEOFF. PERFORMED AACU BITE TEST. FAILS AACU REPLACED SAME. (N854DN)
- [SDR ABXA20251219350](https://openairdocs.org/sdr/ABXA20251219350), Dec 19, 2025: Boeing 767316. WARNING MESSAGE. ILLUMINATED. DURING TAXI OUT ALTN ANTISKID AND NORM ANTISKID STATUS MESSAGE ON GROUND ANTI-SKID EICAS MESSAGE APPEARED A/C RETURNED T (N227CY)
- [SDR DALA2025121909251](https://openairdocs.org/sdr/DALA2025121909251), Dec 14, 2025: Boeing 767332. ANTI-SKID VALVE. FAULTED. DE/MISC- DUE TO ANTISKID MESSAGE ON APPROACH. REPLACED NUMBER 8 ANTISKID VALVE.(8144734) (N178DZ)
- [SDR ABXA20251213329](https://openairdocs.org/sdr/ABXA20251213329), Dec 13, 2025: Boeing 767306. TRANSDUCER. MALFUNCTIONED. DURING TAKEOFF ANTI SKID EICAS MSG. AT 40 KNOTS, ABORTED TAKEOFF (ATO) AND RETURNED TO GATE (BTB) AND MTX GROUNDED A/C , (N1229A)
- [SDR VNAA2025121211102](https://openairdocs.org/sdr/VNAA2025121211102), Dec 11, 2025: Cndair CL6002C10. TRANSDUCER. UNSERVICEABLE. ANTI - SKID INBD CAUTION MSG ON APPROACH AND IB GND SPLR FAULT STATUS. REMOVED AND REPLACED RT INBD WHEEL SPEED TRANSDUC (N508AE)
- [SDR ASMF20251216334](https://openairdocs.org/sdr/ASMF20251216334), Dec 8, 2025: Boeing 7879. WARNING LIGHT. ILLUMINATED. ANTI-SKID LIGHT ON. DEFERRED IAW MEL 32-42-02 CAT "C" (N742AM)
- [SDR CALA2025120411777](https://openairdocs.org/sdr/CALA2025120411777), Nov 30, 2025: Boeing 767322. TRANSDUCER. FAULTED. ANTI-SKID EICAS MESSAGE, BITE SHOWED BOX 4-8 & XDCR-4 AFTER RESET XDCR-4 PERSISTENT.SWAPPED POSN 4 WITH POSN 3 XDCR & FA (N664UA)
- [SDR DXTA2025120105879](https://openairdocs.org/sdr/DXTA2025120105879), Nov 28, 2025: Cessna 560XL. HYDRAULIC SYSTEM. FAULTED. AT GEAR DOWN SELECTION EVERYTHING APPEARED TO OPERATE NORMAL. ON SHORT FINAL WE HAD A ANTISKD INOP. LANDED AND AFTER EXI (N568QS)
- [SDR CALA2025120111599](https://openairdocs.org/sdr/CALA2025120111599), Nov 28, 2025: Boeing 767424ER. WARNING MESSAGE. FALSE ACTIVATION. ON CLIMBOUT AND CRUISE INTERMITTANT ANTISKID EICAS. AS PER FLIGHT CREW, MESSAGE APPEARED ON CLIMB OUT THEN DISAPPERED UN (N59053)
- [SDR 3EJA744JS112525](https://openairdocs.org/sdr/3EJA744JS112525), Nov 25, 2025: Cessna 525B. CONTROL VALVE. FAILED. AFTER NORMAL LANDING FROM RIGHT SIDE APPLIED BRAKES, ANTI SKID LIGHT CAME ON AND BRAKES DID NOT ACTUATE. R & R ANTISKID  (N744JS)
- [SDR AALA202511260404](https://openairdocs.org/sdr/AALA202511260404), Nov 24, 2025: Boeing 737823. TRANSDUCER. FAILED. AIRCRAFT WAS GROUNDED: ANTI-SKID INOPERATIVE LIGHT AND AUTO BRAKE DISARM LIGHT ILLUMINATED WITH SWITCH IN THE RTO POSITI (N964AN)
- [SDR DALA2025112408547](https://openairdocs.org/sdr/DALA2025112408547), Nov 24, 2025: Boeing 717200. ANTI-SKID SYS. FAULTED. PERFORMED GO AROUND AND DECLARED AN EMERGENCY DUE TO LEFT ANTISKID CAUTION MESSAGE ON FINAL APPROACH. RECORDED BCU INTER (N983AT)
- [SDR AALA202511244327](https://openairdocs.org/sdr/AALA202511244327), Nov 20, 2025: Boeing 737823. CONTROL UNIT. FAULTY. AIRCRAFT WAS GROUNDED: ANTI-SKID INOPERATIVE LIGHT ILLUMINATED IN THE OFF POSITION. IN RTO, BOTH ANTI-SKID INOPERATIVE A (N964AN)
- [SDR AALA202511172205](https://openairdocs.org/sdr/AALA202511172205), Nov 16, 2025: Boeing 737823. ANTI-SKID SYS. FAULTED. AIRCRAFT WAS GROUNDED: DURING TAXI IN AIRCRAFT BEHIND US ADVISED THE TOWER WE HAD SMOKE COMING FROM LEFT MAIN NR 1 TIRE. (N964AN)
- [SDR ABXA20251030283](https://openairdocs.org/sdr/ABXA20251030283), Oct 30, 2025: Boeing 767381. VALVE. DEFECTIVE. DURING TAXI, AND DURING ANTI SKID TEST, FOUND PARKING BRAKE LIGHT EXTINGUSHED ON CENTER CONSOLE WITH PARKING BRAKE SET.  (N390CM)
- [SDR AALA202510297189](https://openairdocs.org/sdr/AALA202510297189), Oct 28, 2025: Boeing 737823. ANTI-SKID SYS. FAULTED. AIRCRAFT WAS NOT GROUNDED: ANTI-SKID INOPERATIVE ON TOUCHDOWN AUTO-BRAKE DISARMED AND ANTI-SKIP INOPERATIVE LIGHT ILLUMI (N831NN)
- [SDR DXTA2025102205381](https://openairdocs.org/sdr/DXTA2025102205381), Oct 20, 2025: Cessna 680A. ANTI-SKID VALVE. FAULTY. TAXIING OUT OF RAMP FELT BRAKES SLIP MOMENTARILY. ON RETURN TO RAMP, APPLIED BRAKES LIBERALLY AT TAXI SPEED AND GOT DIST (N585QS)
- [SDR AALA202510218075](https://openairdocs.org/sdr/AALA202510218075), Oct 18, 2025: Boeing 737823. CONTROL UNIT. FAULTED. AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: DURING TAKEOFF ANTI-SKID INOPERATIVE LIGHT ILLUMINATED. AIRCRAF (N932AN)
- [SDR DALA2025101007438](https://openairdocs.org/sdr/DALA2025101007438), Oct 10, 2025: Boeing 757251. CONTROL UNIT. ILLUMINATED. MISC/DE- DUE TO ANTISKID MESSAGE ON DESCENT. REPLACED ANTISKID/AUTOBRAKE CONTROL UNIT. (N551NW)
- [SDR REXA2025100200898](https://openairdocs.org/sdr/REXA2025100200898), Sep 28, 2025: Cndair CL6002C10. CONTROL UNIT. INOPERATIVE. BRAKE OVERHEAT WARNING MESSAGE POSTED ON ARRIVAL AT 7,000! COMPLETED EMERGENCY CHECKLIST AND QRH PROCEDURE. RH OB BRAKE  (N655CA)
- [SDR ABXA20250923237](https://openairdocs.org/sdr/ABXA20250923237), Sep 23, 2025: Boeing 767231. ANTI-SKID VALVE. DEFECTIVE. ON TAXI OUT, RH HYD QUANTITY WENT TO RF ON STATUS PAGE AFTER ENGINE START. AIRCRAFT RETURNED TO BLOCKS. MAINTENANCE REMO (N650GT)
- [SDR CALA2025091508913](https://openairdocs.org/sdr/CALA2025091508913), Sep 13, 2025: Boeing 7379. CONTROL UNIT. FAULTED. ANTI-SKID INOPERATIVE PILOT STATES AUTO BRAKE LIGHT & ANTI-SKID LIGHT CAME ON DURING TAKEOFF ROLL, PILOT ALSO STATES THA (N17402)

All 1,310: https://openairdocs.org/jasc/3241/reports.md

## Other codes in chapter 32

- [JASC 3200](https://openairdocs.org/jasc/3200): Landing Gear System (862 reports)
- [JASC 3201](https://openairdocs.org/jasc/3201): Landing Gear/Wheel Fairing (45 reports)
- [JASC 3210](https://openairdocs.org/jasc/3210): Main Landing Gear (1,879 reports)
- [JASC 3211](https://openairdocs.org/jasc/3211): Main Landing Gear Attach Section (1,177 reports)
- [JASC 3212](https://openairdocs.org/jasc/3212): Emergency Flotation Section (759 reports)
- [JASC 3213](https://openairdocs.org/jasc/3213): Main Landing Gear Strut/Axle/Truck (2,210 reports)
- [JASC 3220](https://openairdocs.org/jasc/3220): Nose/Tail Landing Gear (1,842 reports)
- [JASC 3221](https://openairdocs.org/jasc/3221): Nose/Tail Landing Gear Attach Section (256 reports)
- [JASC 3222](https://openairdocs.org/jasc/3222): Nose/Tail Landing Gear Strut/Axle (2,074 reports)
- [JASC 3230](https://openairdocs.org/jasc/3230): Landing Gear Retraction/Extension System (11,171 reports)
- [JASC 3231](https://openairdocs.org/jasc/3231): Landing Gear Door Retract Section (2,248 reports)
- [JASC 3232](https://openairdocs.org/jasc/3232): Landing Gear Door Actuator (740 reports)
- [JASC 3233](https://openairdocs.org/jasc/3233): Landing Gear Actuator (2,686 reports)
- [JASC 3234](https://openairdocs.org/jasc/3234): Landing Gear Selector (2,085 reports)
- [JASC 3240](https://openairdocs.org/jasc/3240): Landing Gear Brake System (6,453 reports)
- [JASC 3242](https://openairdocs.org/jasc/3242): Brake (1,696 reports)
- [JASC 3243](https://openairdocs.org/jasc/3243): Master Cylinder/Brake Valve (445 reports)
- [JASC 3244](https://openairdocs.org/jasc/3244): Tire (2,748 reports)
- [JASC 3245](https://openairdocs.org/jasc/3245): Tire Tube (390 reports)
- [JASC 3246](https://openairdocs.org/jasc/3246): Wheel/Ski/Float (2,489 reports)
- [JASC 3250](https://openairdocs.org/jasc/3250): Landing Gear Steering System (2,362 reports)
- [JASC 3251](https://openairdocs.org/jasc/3251): Steering Unit (338 reports)
- [JASC 3252](https://openairdocs.org/jasc/3252): Shimmy Damper (79 reports)
- [JASC 3260](https://openairdocs.org/jasc/3260): Landing Gear Position and Warning (13,421 reports)
- [JASC 3270](https://openairdocs.org/jasc/3270): Auxiliary Gear (Tail Skid) (84 reports)
- [JASC 3297](https://openairdocs.org/jasc/3297): Landing Gear System Wiring (2,407 reports)

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