# JASC 3230: Landing Gear Retraction/Extension System - Type: JASC system/component code (FAA) - ATA chapter: 32 Landing Gear - Title in the code table: LANDING GEAR RETRACT/EXTEND SYSTEM - Service difficulty reports: 11,170 - FAA code table: https://www.faa.gov/sites/faa.gov/files/JASC_Code.pdf#page=34 - Page: https://openairdocs.org/jasc/3230 ## What it covers The miscellaneous parts of the retraction and extension systems other than actuators, and door actuating mechanism. Location, such as nose, right or left main should be referenced in the "Part Location" field unless the defective part is common to all locations. Typical parts are leveling cylinders, centering system, actuator brackets, bungees, emergency extension system parts, uplocks/downlocks, uplock/downlock actuator, drag braces, etc. ## Latest service difficulty reports - [SDR YENA2026101900988](https://openairdocs.org/sdr/YENA2026101900988), Oct 17, 2026: WARNING MESSAGE, ILLUMINATED (N612JB) - [SDR RU3A202610150001](https://openairdocs.org/sdr/RU3A202610150001), Oct 15, 2026: LANDING GEAR, MALFUNCTIONED (N92) - [SDR DXTA2026101610172](https://openairdocs.org/sdr/DXTA2026101610172), Oct 13, 2026: NUT, LOOSE (N754QS) - [SDR SWAA2026101351251](https://openairdocs.org/sdr/SWAA2026101351251), Oct 12, 2026: LOCK PIN, INSTALLED (N7881A) - [SDR 2026FA0000829](https://openairdocs.org/sdr/2026FA0000829), Oct 12, 2026: SAFETY VALVE, LEAKING (N864AT) - [SDR R61A2026101200301](https://openairdocs.org/sdr/R61A2026101200301), Oct 12, 2026: LANDING GEAR, FAULTED (N223JQ) - [SDR DXTA2026101410124](https://openairdocs.org/sdr/DXTA2026101410124), Oct 10, 2026: CONTROL MODULE, DEFECTIVE (N938QS) - [SDR 2026F00227](https://openairdocs.org/sdr/2026F00227), Oct 10, 2026: SELECTOR VALVE, DEFECTIVE (N999YG) - [SDR DXTA2026101210105](https://openairdocs.org/sdr/DXTA2026101210105), Oct 9, 2026: PRIORITY VALVE, DEFECTIVE (N484QS) - [SDR DXTA2026101210101](https://openairdocs.org/sdr/DXTA2026101210101), Oct 9, 2026: PRIORITY VALVE, DEFECTIVE (N413QS) - [SDR SWIA2026100877555](https://openairdocs.org/sdr/SWIA2026100877555), Oct 8, 2026: LANDING GEAR, MALFUNCTIONED (N910EV) - [SDR DXTA2026101210090](https://openairdocs.org/sdr/DXTA2026101210090), Oct 8, 2026: LANDING GEAR, FAULTED (N889QS) - [SDR DXTA2026100810054](https://openairdocs.org/sdr/DXTA2026100810054), Oct 5, 2026: LANDING GEAR, MALFUNCTIONED (N608QS) - [SDR DALA2026100705552](https://openairdocs.org/sdr/DALA2026100705552), Oct 5, 2026: LANDING GEAR, FAULTED (N355NB) - [SDR 2026FA0000809](https://openairdocs.org/sdr/2026FA0000809), Sep 29, 2026: SAFETY VALVE, FAULTED (N948AV) - [SDR JR2R20260929896](https://openairdocs.org/sdr/JR2R20260929896), Sep 29, 2026: BUSHING, CORRODED (N85320) - [SDR JR2R20260929897](https://openairdocs.org/sdr/JR2R20260929897), Sep 29, 2026: BUSHING, CORRODED (N85320) - [SDR K11A2026092900393](https://openairdocs.org/sdr/K11A2026092900393), Sep 29, 2026: MODULE, INTERMITTENT (N730CK) - [SDR FDEA202609241436](https://openairdocs.org/sdr/FDEA202609241436), Sep 24, 2026: ELECT MODULE, MALFUNCTIONED (N149FE) - [SDR N6WA2026092405](https://openairdocs.org/sdr/N6WA2026092405), Sep 22, 2026: RELIEF VALVE, INOPERATIVE (N541GJ) - [SDR DXTA2026092209788](https://openairdocs.org/sdr/DXTA2026092209788), Sep 18, 2026: LANDING GEAR, SLOW (N953QS) - [SDR DXTA2026091709753](https://openairdocs.org/sdr/DXTA2026091709753), Sep 16, 2026: LANDING GEAR, MALFUNCTIONED (N534QS) - [SDR DXTA2026091509696](https://openairdocs.org/sdr/DXTA2026091509696), Sep 13, 2026: SQUAT SWITCH, DEFECTIVE (N891QS) - [SDR CALA2026091519422](https://openairdocs.org/sdr/CALA2026091519422), Sep 12, 2026: SELECTOR, FAULTED (N77575) - [SDR VNAA2026091124701](https://openairdocs.org/sdr/VNAA2026091124701), Sep 9, 2026: SELECTOR VALVE, UNSERVICEABLE (N592NN) - [SDR DXTA2026090109517](https://openairdocs.org/sdr/DXTA2026090109517), Sep 1, 2026: LINK PIN, WORN (N933QS) - [SDR DXTA2026090109518](https://openairdocs.org/sdr/DXTA2026090109518), Sep 1, 2026: LINK PIN, WORN (N933QS) - [SDR 2026FA0000689](https://openairdocs.org/sdr/2026FA0000689), Aug 30, 2026: ARM, BENT (N384T) - [SDR VNAA2026090124002](https://openairdocs.org/sdr/VNAA2026090124002), Aug 29, 2026: SELECTOR VALVE, FAULTED (N618NN) - [SDR VNAA2026090124103](https://openairdocs.org/sdr/VNAA2026090124103), Aug 28, 2026: SELECTOR VALVE, FAULTED (N647NN) - [SDR SWAA2026082880719](https://openairdocs.org/sdr/SWAA2026082880719), Aug 24, 2026: LANDING GEAR, MALFUNCTIONED (N277WN) - [SDR VNAA2026082723601](https://openairdocs.org/sdr/VNAA2026082723601), Aug 24, 2026: ACTUATOR, FAULTED (N523AE) - [SDR VNAA2026082523501](https://openairdocs.org/sdr/VNAA2026082523501), Aug 24, 2026: SELECTOR VALVE, UNSERVICEABLE (N582NN) - [SDR DALA2026082604835](https://openairdocs.org/sdr/DALA2026082604835), Aug 19, 2026: SEQUENCE VALVE, FAULTED (N686DA) - [SDR FDEA202608181142](https://openairdocs.org/sdr/FDEA202608181142), Aug 18, 2026: PROCESSOR, FAULTED (N689FE) - [SDR HYIA20260818001](https://openairdocs.org/sdr/HYIA20260818001), Aug 16, 2026: SWITCH, FAULTY (N6813J) - [SDR CALA2026081818705](https://openairdocs.org/sdr/CALA2026081818705), Aug 16, 2026: PROXIMITY SENSOR, FAULTED (N73259) - [SDR AALA202608174223](https://openairdocs.org/sdr/AALA202608174223), Aug 15, 2026: LANDING GEAR, STUCK (N868NN) - [SDR DALA2026081704680](https://openairdocs.org/sdr/DALA2026081704680), Aug 14, 2026: VALVE, FAILED (N812NW) - [SDR DXTA2026081409273](https://openairdocs.org/sdr/DXTA2026081409273), Aug 13, 2026: SQUAT SWITCH, OUT OF RIG (N841QS) - [SDR VNAA2026081222501](https://openairdocs.org/sdr/VNAA2026081222501), Aug 10, 2026: SELECTOR VALVE, FAULTED (N540EG) - [SDR DXTA2026081209208](https://openairdocs.org/sdr/DXTA2026081209208), Aug 9, 2026: STRUT, FAULTY (N452QS) - [SDR YENA2026080600654](https://openairdocs.org/sdr/YENA2026080600654), Aug 3, 2026: PRIORITY VALVE, FAILED (N3142J) - [SDR DXTA2026080409094](https://openairdocs.org/sdr/DXTA2026080409094), Aug 1, 2026: UPLOCK SWITCH, DEFECTIVE (N931QS) - [SDR DXTA2026080409078](https://openairdocs.org/sdr/DXTA2026080409078), Jul 31, 2026: CONTROL ARM, FAULTED (N653QS) - [SDR VNAA2026073122003](https://openairdocs.org/sdr/VNAA2026073122003), Jul 30, 2026: SELECTOR VALVE, FAULTED (N587NN) - [SDR FDEA202607291057](https://openairdocs.org/sdr/FDEA202607291057), Jul 29, 2026: SHEAR PIN, DAMAGED (N748FD) - [SDR AALA202607296950](https://openairdocs.org/sdr/AALA202607296950), Jul 28, 2026: SWITCH, FAULTY (N734AR) - [SDR AALA202607249249](https://openairdocs.org/sdr/AALA202607249249), Jul 20, 2026: BYPASS VALVE, INOPERATIVE (N772AN) - [SDR 2026FA0000619](https://openairdocs.org/sdr/2026FA0000619), Jul 19, 2026: ROD END, SHEARED (N274GC) --- From OpenAirDocs.org, an independent open copy of FAA data. 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