# JASC 3260: Landing Gear Position and Warning

- Type: JASC system/component code (FAA)
- ATA chapter: 32 Landing Gear
- Title in the code table: LANDING GEAR POSITION AND WARNING
- Service difficulty reports: 13,421
- FAA code table: https://www.faa.gov/sites/faa.gov/files/JASC_Code.pdf#page=35
- Page: https://openairdocs.org/jasc/3260

## What it covers

The system parts which provide indication and warning of the landing gear position. Includes gear safety switches which prevent inadvertent actuation such as squat or air/ground sensor. Typical parts are relay, switch bracket, lamp, horn, uplock switch, downlock switch, in transit switch, etc.

## Service difficulty reports (13,421, newest 50)

- [SDR DALA2026102105789](https://openairdocs.org/sdr/DALA2026102105789), Oct 20, 2026: Boeing 717200. PSEU. FAILED. PERFORMED A GO AROUND AND THEN DECLARED AN EMERGENCY DUE TO A PSEU FAILURE. REPLACED PSEU AND LANDING GEAR POSITION INDI (N899AT)
- [SDR FDEA202610201623](https://openairdocs.org/sdr/FDEA202610201623), Oct 20, 2026: Boeing 7673S2F. LAMP. INOPERATIVE. RT MAIN MLG LIGHT INDICATOR INOPERATIVE. AMM 32-61-00-5-0, AMM 20-84-18, AMM 20-60-01, ON ENTRY TO FLT DECK, THE RT MLG  (N144FE)
- [SDR SWIA2026101877761](https://openairdocs.org/sdr/SWIA2026101877761), Oct 18, 2026: Cndair CL6002C11. WARNING LIGHT. ILLUMINATED. GEAR DISAGREE ON GEAR RETRACTION, NOSE GEAR INDICATOR WENT RED, A GEAR DISAGREE AURORAL. AFTER 30 SECONDS MESSAGE EXTING (N779SK)
- [SDR SWIA2026101677760](https://openairdocs.org/sdr/SWIA2026101677760), Oct 16, 2026: Cndair CL6002B19. SENSOR. OUT OF TOLERANCE. GEAR DISAGREE AFTER TAKEOFF, RT MAIN SHOWED RED. AFTER RUNNING QRH WITH HYD PUMPS ON, RT MAIN SHOWED NORMAL. FLIGHT 5039 (N223JS)
- [SDR DXTA2026101910224](https://openairdocs.org/sdr/DXTA2026101910224), Oct 16, 2026: Cessna 680A. UPLOCK SWITCH. FAULTED. GEAR UPLOCK FAULT RIGHT WHITE CAS MESSAGE DISPLAYED UPON GEAR EXTENSION. REMOVED RT MLG UPLOCK SWITCH DUE TO GEAR UPLOCK (N910QS)
- [SDR SCNA20261016435S](https://openairdocs.org/sdr/SCNA20261016435S), Oct 16, 2026: Boeing 73786N. SENSOR. FAULTED. ON GEAR RETRACT BOTH GREEN & REF NOSE WHEEL LIGHT ILLUM RAN QRH (EMERGENCY DECLARED). TROUBLE SHOT IAW FIM 32-61 TASK 80 (N7949A)
- [SDR SCNA20261019436](https://openairdocs.org/sdr/SCNA20261019436), Oct 15, 2026: Boeing 73786N. WARNING LIGHT. FALSE ACTIVATION. ON GEAR RETRACT, BOTH GREEN+RED NOSE WHEEL LIGHTS ILLUM. RAN QRH MX NOTIFIED BW9425 (EMERGENCY DECLARED). PERFORMED PSEU (N7949A)
- [SDR SCNA20261016435](https://openairdocs.org/sdr/SCNA20261016435), Oct 15, 2026: Boeing 73786N. WARNING LIGHT. ILLUMINATED. ON GEAR RETRACT BOTH GREEN & RED NOSE WHEEL LIGHT ILLUM RAN QRH. (EMERGENCY DECLARED) (WORK IN PROGRESS) (N7949A)
- [SDR 2026FA0000835](https://openairdocs.org/sdr/2026FA0000835), Oct 14, 2026: Cessna 310. SWITCH. MALFUNCTIONED. LANDING GEAR SWITCH, DOWN POSITION SAFETY FAILED DUE TO WEAR ALLOWING INADVERTENT UP POSITION ACTUATION WHEN BUMPED. (N3618G)
- [SDR 2026FA0000833](https://openairdocs.org/sdr/2026FA0000833), Oct 13, 2026: Piper PA44180. SQUAT SWITCH. DEFECTIVE. THE LEFT LANDING GEAR SQUAT SWITCH WAS FOUND TO BE DEFECTIVE/INOPERATIVE RESULTING IN A SAFETY CONCERN. IF SOMEONE WERE  (N869AT)
- [SDR 2026FA0000834](https://openairdocs.org/sdr/2026FA0000834), Oct 12, 2026: Piper PA44180. DOWNLOCK SWITCH. DEFECTIVE. LEFT LANDING GEAR DOWN LOCK SWITCH INTERMITTENT FAILURE. THE LEFT GEAR DOWNLOCK SWITCH WAS FOUND TO BE INTERMITTENT WHEN (N897AT)
- [SDR DXTA2026101510134](https://openairdocs.org/sdr/DXTA2026101510134), Oct 11, 2026: Cessna 680A. LANDING GEAR. MALFUNCTIONED. ON CLIMB OUT WHEN ATTEMPTING TO RETRACT LANDING GEAR, AMBER GEAR DISAGREE L-R-N CAS MESSAGE POSTED. ALL 3 GEAR INDICATOR (N915QS)
- [SDR SWIA2026101177594](https://openairdocs.org/sdr/SWIA2026101177594), Oct 11, 2026: Cndair CL6002B19. PROXIMITY SENSOR. FALSE INDICATION. UPON SELECTING GEAR UP, GOT GEAR DISAGREE, NOSE DOOR WARNINGS, WOW INPUT, STEERING INOP CAUTIONS AND WOW STATUS MESSAGE  (N207PS)
- [SDR DXTA2026101310116](https://openairdocs.org/sdr/DXTA2026101310116), Oct 10, 2026: Cessna 680A. SQUAT SWITCH. OUT OF RIG. AFTER TAKEOFF, UPON GEAR RETRACTION WE RECEIVED THE WOW MISCOMPARE AND GEAR DISAGREE L-R-N CAS MESSAGES, THEN SHORTLY AF (N646QS)
- [SDR DXTA2026101310100](https://openairdocs.org/sdr/DXTA2026101310100), Oct 9, 2026: Textrn TEXTRON700. GSD. FAULTED. AT CRUISE, AMBER GEAR DISAGREE R DISPLAYED. TROUBLESHOOTED IN QRH AND LANDED AS SOON AS PRACTICAL. REMOVAL OF #3 GSD41 P (N801QS)
- [SDR A6WA202610098917](https://openairdocs.org/sdr/A6WA202610098917), Oct 9, 2026: Cndair CL6002B19. DOWNLOCK. FAULTED. WHILE CLIMBING RECEIVED GEAR DISAGREE WARNING FOR APOX 10 SECONDS. NOSE GEAR DID NOT DISPLAY STATUS. OCCURRED WHEN GEAR  (N411ZW)
- [SDR ABXA20261008461](https://openairdocs.org/sdr/ABXA20261008461), Oct 8, 2026: Boeing 767341. SENSOR. BROKEN. NOSE A/G DISAGREE THAT RESULTED IN TAKEOFF CONFIG ON CLIMB OUT. CREW AIR TURNED BACK TO CVG (ATB) AND LANDED WITHOUT FUR (N760CK)
- [SDR ABXA20261006457](https://openairdocs.org/sdr/ABXA20261006457), Oct 6, 2026: Boeing 767341. BRACKET. BROKEN. AFTER TAKEOFF WHEN THE CREW PUT THE FLAPS UP TO APPROX 220 KTS, THE RED FLAPS EICAS WARNING CAME ON WITH AURAL ALARM. CR (N760CK)
- [SDR YQSA20261006001](https://openairdocs.org/sdr/YQSA20261006001), Oct 6, 2026: Cessna 560CESSNA. LAMP. BURNED OUT. WE WERE ON A NORMAL FLIGHT TO KARV FROM KLNK. UPON APPROACH TO KARV I COMMANDED THE GEAR DOWN, AND WE BOTH DID NOT SEE A (N816SH)
- [SDR UIEA2026100500945](https://openairdocs.org/sdr/UIEA2026100500945), Oct 5, 2026: Boeing 7673Y0. PROXIMITY SENSOR. FALSE ACTIVATION. 40 MINS INTO FLIGHT @ FL340, RT LANDING GEAR DISCREET LIGHTS, AMBER REV LIGHT, AND ENTRY DOORS/EMER DOORS DISCREET LIGHT (N1619A)
- [SDR UIEA2026100400943](https://openairdocs.org/sdr/UIEA2026100400943), Oct 4, 2026: Boeing 7673Y0. PSEU. INOPERATIVE. APPROX 1 HR AFTER T/O DURING CRUISE @ FL360, LEFT LANDING GEAR DISCRETE LIGHT ILLUMINATED. INTERMITTENT - RT LANDING GEA (N1619A)
- [SDR FDEA202610041474](https://openairdocs.org/sdr/FDEA202610041474), Oct 4, 2026: Boeing 767300. HOUSING. NOT SEATED. AFTER LOWERING MLG ON APPROACH IN MEMPHIS, RT MLG LIGHT DID NOT ILLUMINATE. ALL OTHER INDS NORMAL. NO EICAS MSG. TOWER S (N179FE)
- [SDR SIMA20261004003](https://openairdocs.org/sdr/SIMA20261004003), Oct 4, 2026: Emb ERJ170100SE. SENSOR. FAILED. LG WOW SYS FAULT/ RAN QRH/ DIVERTED TO MAF/ MTX INSP. EMERGENCY DECLARED. FOUND LG WOW SYS FAIL RELATED TO ASCB BUS FAUL (N749BM)
- [SDR VNAA2026100526201](https://openairdocs.org/sdr/VNAA2026100526201), Oct 3, 2026: Cndair CL6002D24. TARGET. MISSING. GEAR DISAGREE ON CLIMB OUT C/A FOUND NLG PROX SENSOR TARGET MISSING. INSTALLED RH NLG CTR PROX SENSOR TARGET. (N635NN)
- [SDR AALA202610050900](https://openairdocs.org/sdr/AALA202610050900), Oct 2, 2026: Airbus A321253NX. SENSOR. FAULT MESSAGE. AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO LAX DUE TO THE FLIGHT CREW REPORTING THAT  (N466AN)
- [SDR DXTA2026100509980](https://openairdocs.org/sdr/DXTA2026100509980), Oct 1, 2026: Cessna 680A. LANDING GEAR. MALFUNCTIONED. DURING CLIMB, PASSING FL370, FELT WHAT APPEARED TO BE A GEAR-RELATED BUMP. SHORTLY THEREAFTER, AN AMBER GEAR DISAGREE CA (N629QS)
- [SDR AALA202610056063](https://openairdocs.org/sdr/AALA202610056063), Oct 1, 2026: Airbus A319132. LANDING GEAR. FAULT MESSAGE. AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO BNA DUE TO THE FLIGHT CREW REPORTING THAT  (N807AW)
- [SDR DXTA2026100109932](https://openairdocs.org/sdr/DXTA2026100109932), Sep 28, 2026: Cessna 680A. BRACKET. LOOSE. ON ROTATION MLG SELECTED UP, BUT MLG REMAINED DOWN & LOCKED. MLG DISAGREE L-R-N DISPLAYED ALONG WITH WOW MISCOM. RAN QRH (N649QS)
- [SDR DXTA2026100109917](https://openairdocs.org/sdr/DXTA2026100109917), Sep 27, 2026: Cessna 680A. SQUAT SWITCH. DEFECTIVE. ON DEPARTURE, GEAR WAS SELECTED UP AND WE STARTED HEARING LOUD BANGS COMING FROM FRONT OF THE AIRCRAFT. WE HEARD 10-15 B (N934QS)
- [SDR DXTA2026092909885](https://openairdocs.org/sdr/DXTA2026092909885), Sep 25, 2026: Emb EMB505. LANDING GEAR. MALFUNCTIONED. ON TAKEOFF WE GOT A RED CAS LG LEVER DISAG. WE RAN THE CHECKLIST. EXTENDED THE GEAR. GOT NORMAL EXTENSION. THEN RETRACTE (N407QS)
- [SDR ASAA2026092567121](https://openairdocs.org/sdr/ASAA2026092567121), Sep 25, 2026: Boeing 717200. PROXIMITY SENSOR. FAULTED. PSEU FAULT IN FLIGHT. ATB PER MX. GROUNDED - YES. REMOVED ALL CLAMPS EXCEPT FOR STEP 6(E)(E) PER AMM 32-61-03. REMOVED A (N483HA)
- [SDR DXTA2026092809868](https://openairdocs.org/sdr/DXTA2026092809868), Sep 24, 2026: Cessna 680A. LANDING GEAR. FAULTED. ON APPROACH TO KCHS, SELECTED MLG DOWN & GOT 3 GREEN INDS, RECEIVED WOW MISCOMPARE CAS MESSAGE, ELECTED TO GO AROUND, ON (N690QS)
- [SDR AALA202609233062](https://openairdocs.org/sdr/AALA202609233062), Sep 22, 2026: Airbus A321211. SENSOR. FAULT MESSAGE. AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED INBOUND INTO BOS DUE TO THE FLIGHT CREW REPORTING THAT AT LANDING GEAR  (N180US)
- [SDR DXTA2026092409817](https://openairdocs.org/sdr/DXTA2026092409817), Sep 20, 2026: Emb EMB505. WARNING MESSAGE. ILLUMINATED. ON TAKEOFF FROM KSLK, DURING MLG RETRACT, THE MLG LEVER DISAG RED CASS ILLUM, ALONG WITH THE RED & WHITE HASHMARK IND OV (N310QS)
- [SDR 2026FA0000746](https://openairdocs.org/sdr/2026FA0000746), Sep 17, 2026: Cessna 525B. BULB. INOPERATIVE. WHILE ON APPROACH INTO BUF, WE EXTENDED THE LANDING GEAR JUST OUTSIDE OF THE FAF. THE LEFT MAIN LANDING GEAR GREEN LIGHT (N525CR)
- [SDR CVGA20260921004](https://openairdocs.org/sdr/CVGA20260921004), Sep 15, 2026: Emb EMB505. UPLOCK BOX. FAILED. WE DID NOT GET A DOWN AND LOCKED NOSE GEAR INDICATIONWHEN MOVING THE GEAR HANDLE TO THE DOWN POSITION. FOLLOWING THE QRH (N670UP)
- [SDR AALA202609163769](https://openairdocs.org/sdr/AALA202609163769), Sep 13, 2026: Airbus A319132. PROXIMITY SENSOR. FAULT MESSAGE. AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT DIVERTED TO MIA DUE TO THE FLIGHT CREW REPORTING AN LG (N832AW)
- [SDR DXTA2026090909589](https://openairdocs.org/sdr/DXTA2026090909589), Sep 6, 2026: Cessna 560XL. UPLOCK SWITCH. FAULTED. DURING APPROACH SELECTED GEAR DOWN RECEIVED A GEAR DISAGREE L CAS MESSAGE AND AN X ON THE LEFT MAIN GEAR WINDOW (SEE PIC (N14QS)
- [SDR DALA2026090705015](https://openairdocs.org/sdr/DALA2026090705015), Sep 4, 2026: Airbus A320212. PROXIMITY SENSOR. FAULTED. SHORT FINAL WITH GEAR DEPLOYMENT L/G LGCIU 1 FAULT ECAM. COMPLETED ECAM PROCEDURE WITH GO AROUND. GEAR CYCLED UP AND DOW (N359NW)
- [SDR DXTA2026090209498](https://openairdocs.org/sdr/DXTA2026090209498), Aug 31, 2026: Cessna 680A. SWITCH. FAULTED. CLIMBING THROUGH FLIGHT LEVEL 380 UP TO FLIGHT LEVEL 430 WE ENCOUNTERED SOME HEAVY VIBRATIONS COMING FROM THE NOSE SECTI (N512QS)
- [SDR DALA2026090104927](https://openairdocs.org/sdr/DALA2026090104927), Aug 31, 2026: Airbus A321213. ANNUNCIATOR. FAULTED. MISC/DE - PERFORMING A GO-AROUND DUE TO NOSE GEAR DOWN AND LOCK NOT ILLUMINATING ON LANDING GEAR PANEL. ECAM INDICATES G (N345DN)
- [SDR SWIA2026082976972](https://openairdocs.org/sdr/SWIA2026082976972), Aug 29, 2026: Cndair CL6002B19. UPLOCK SENSOR. FAULTED. SELECTED LANDING GEAR UP. THE LANDING GEAR IN THE TRANSITION UP HAD THE INDICATION SWAPPING INTERMITTENTLY BETWEEN UP AN (N463SW)
- [SDR UIEA2026082800820](https://openairdocs.org/sdr/UIEA2026082800820), Aug 28, 2026: Boeing 747481F. POSITION UNIT. FAULTED. AFTER TAKEOFF ON INITIAL CLIMB, GEAR TILT, EICAS MSG. RT BODY GEAR DID NOT RETRACT AND TILT INDICATION. COMPLETED CHECKL (N404KZ)
- [SDR DALA2026083004888](https://openairdocs.org/sdr/DALA2026083004888), Aug 27, 2026: Airbus A319114. GCU. EXCESS PLAY. GO-AROUND, 2 FLIGHTS IN A ROW L/G SYS DISAGREE ON LANDING ROLLOUT. R & R LGCIU 2 IAW AMM 32-31. TEST OK. DURING INSPECTI (N343NB)
- [SDR DALA2026082704865](https://openairdocs.org/sdr/DALA2026082704865), Aug 26, 2026: Boeing 717200. PROXIMITY SENSOR. OUT OF ADJUST. ATB- RETURNED TO LIT DUE TO LEFT GEAR UNSAFE ANNUNCIATION. MLG DOOR PROX SENSOR ADJUSTED TO BE WITHIN LIMITS IAW AMM 32- (N965AT)
- [SDR DALA2026082404786](https://openairdocs.org/sdr/DALA2026082404786), Aug 24, 2026: Airbus A321271NX. ADIRU. FAULTED. DIV - TO ATL DUE TO FLT L/G DOWN MEMO MESSAGE. ABLE TO CLEAR MSG AND CONFIRMED GEAR WAS UP AND LOCKED. REPLACED ADIRU 1. (N533DT)
- [SDR N6WA2026082401](https://openairdocs.org/sdr/N6WA2026082401), Aug 23, 2026: Cndair CL6002C11. PSEU. INOPERATIVE. PROXIMITY SYS 1 FAULT (B1 047818)PSEU / LA & LB IOC 6 BUSS DEGRADED. REMOVED AND REPLACED PSEU IAW CRJ 550 AMM 32-61-00  (N515GJ)
- [SDR AALA202608267815](https://openairdocs.org/sdr/AALA202608267815), Aug 22, 2026: Airbus A319132. SELECTOR VALVE. FAULTY. AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED & ACFT RETURNED TO PHL DUE TO FLT CREW REPORTING THE GEAR HANDLE WOULD  (N803AW)
- [SDR DXTA2026082509393](https://openairdocs.org/sdr/DXTA2026082509393), Aug 22, 2026: Emb EMB505. INTERFACE UNIT. FAULTED. IN CRUISE, MULTIPLE CAS MESSAGES AND X INDICATIONS ON ENGINE, ETC. NOSE GEAR INDICATION UNSAFE WHILE RETRACTED AND EXTEN (N404QS)
- [SDR DALA2026082404803](https://openairdocs.org/sdr/DALA2026082404803), Aug 21, 2026: Boeing 737832. PROXIMITY SENSOR. FAULTED. DIV/DE- DIVERTED TO JFK DUE TO NOSE GEAR DISAGREE AFTER RETRACTION. REPLACED NLG DOWN PROXIMITY SENSOR S845. NLG FUNCTIO (N3738B)

All 13,421: https://openairdocs.org/jasc/3260/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 3241](https://openairdocs.org/jasc/3241): Brake Anti-Skid Section (1,310 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 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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