# N631QS: 2019 Textron 680A - Status: Valid registration - Airframe: [Textron 680A](https://openairdocs.org/model/textron-680a) (registry code 2076814, 10 seats) - Engine: [Pratt & Whitney Canada PW306D1](https://openairdocs.org/engine/pratt-whitney-canada-pw306d1) (registry code 51850) - Data sheets: [TCDS T00012WI](https://openairdocs.org/tcds/T00012WI) (Textron Aviation Inc.), [TCDS E35NE](https://openairdocs.org/tcds/E35NE) (Pratt & Whitney Canada Corp.) (OpenAirDocs) - Serial number: 680A0180 - Year built: 2019 - Type: Fixed wing multi engine - Engine type: Turbo-fan - Airworthiness: Standard, transport - Airworthiness date: February 8, 2019 - Certificate issued: March 17, 2026 - Expires: March 31, 2033 - Mode S code: A842E2 - Owner type: Co-owned, fractional ownership - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=631QS - Page: https://openairdocs.org/aircraft/N631QS From the FAA registry file of October 24, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination. ## ADs that may apply (OpenAirDocs): 3 in force ### Matched by airframe (Textron 680A) - [AD 2026-13-02](https://openairdocs.org/ad/2026-13-02): Navigation · Airbus Canada Limited Partnership 18, 49-46, 80-A and 555 more. Effective Jul 1, 2026 - [AD 2023-10-02](https://openairdocs.org/ad/2023-10-02): Indicating/Recording System, Navigation · Boeing 18, 23, 35 and 1,060 more. Effective May 26, 2023 - [AD 2018-07-13](https://openairdocs.org/ad/2018-07-13): Landing Gear · Textron 510, 680 and 680A. Effective May 15, 2018 ### Matched by engine (Pratt & Whitney Canada PW306D1) None in force. ## Information bulletins (advisory) None matched. ## NTSB investigations None matched to N631QS. ## FAA accident and incident reports None matched to N631QS. ## Service difficulty reports (11) As reported by operators and repair stations. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. - [SDR DXTA2025050303345](https://openairdocs.org/sdr/DXTA2025050303345), May 3, 2025: BATTERY PACK. FAILED. EMERGENCY LIGHTING: EMER LIGHTS DID NOT COME ON DURING PREFLIGHT TEST. 30 MINUTE CHARGE PROCEDURE DONE AND ALL LIGHTS CAME ON WITH THE TEST. PROCEDURE WAS DONE - [SDR DXTA2025030302545](https://openairdocs.org/sdr/DXTA2025030302545), Feb 28, 2025: ACTUATOR. INTERMITTENT. AILERON CNTRL FAULT AMBER CAS: AILERON CNTRL FAULT AMBER CAS DISPLAYED IN FLIGHT AFTER DEPARTURE. REPLACED AILERON RATIO CHANGER ACTUATOR IAW CE-680A AMM 27-17- - [SDR DXTA2024122301594](https://openairdocs.org/sdr/DXTA2024122301594), Dec 18, 2024: BATTERY. INOPERATIVE. SEAT 3 EMERGENCY LIGHT OVERHEAD AND FLOOR AISLE, TOE KICK LIGHT, ARE INOPERATIVE ON THE EMERGENCY LIGHTING BATTERY. THE EMERGENCY LIGHT BATTERY RECHARGE PROCEDU - [SDR DXTA2024081400171](https://openairdocs.org/sdr/DXTA2024081400171), Aug 10, 2024: WARNING LIGHT. FALSE ACTIVATION. MAIN CABIN DOOR DOES NOT CLOSE NORMALLY USING THE LIFT BUTTON. CHECK DOORS AND CABIN DOOR OPEN CAS MESSAGES REMAIN ON. ALSO, YELLOW LIGHT ON DOOR HANDLE DOES NO - [SDR 2023F00346](https://openairdocs.org/sdr/2023F00346), Dec 19, 2023: DRAG ANGLE. CRACKED. CRACKS FOUND AT L/H CENTER FAIRING SUPPORT SPLICE STRAP AT F.S 354.41, 375.65, 403.75, 440.81 & 453.61. CRACKS FOUND AT R/H CENTER FAIRING SUPPORT SPLICE STRAP - [SDR 2023F00345](https://openairdocs.org/sdr/2023F00345), Dec 19, 2023: DRAG ANGLE. CRACKED. L/R AFT UPPER DRAG ANGLE CRACKS AT F.S 426.00 & F.S 428.00. - [SDR DXTA2022040159440](https://openairdocs.org/sdr/DXTA2022040159440), Apr 1, 2022: BELLCRANK. DEFECTIVE. MAIN DOOR: WHEN OPENING, MAIN CABIN DOOR ACCELERATES AS IT OPENS AND BANGS AND BOUNCES AT THE BOTTOM SHAKING THE ENTIRE AIRFRAME. REPEAT WRITE-UP//CORRECTIVE AC - [SDR DXTA2021121553570](https://openairdocs.org/sdr/DXTA2021121553570), Dec 14, 2021: FILTER. DIRTY. CABIN SMOKE: A MINUTE OR SO AFTER LANDING THE CABIN FILLED UP WITH SMOKE. SMELLED LIKE BURNED OIL. PERFORMED A GVI OF THE BLEED DUCTING FROM THE APU AND ENGINES - [SDR DXTA2021092049130](https://openairdocs.org/sdr/DXTA2021092049130), Sep 19, 2021: BLOCK. LOOSE. MAIN DOOR: MAIN CABIN DOOR IS DIFFICULT TO OPEN AND CLOSE. OPS CHECKED MAIN CABIN DOOR, DOOR WOULD CLOSE BUT WHEN OPENING DOOR LATCH THE DOOR WOULD NOT OPEN, DO - [SDR DXTA2021062844280](https://openairdocs.org/sdr/DXTA2021062844280), Jun 26, 2021: BATTERY. FAULTED. EMERGENCY LIGHTS BATTERY: EMERGENCY LIGHTS WILL NOT COME ON WHEN EMER BATTERY SWITCH IS PLACED IN THE ARM POSITION. SHIPS BATTERIES ARE CONNECTED. COCKPIT POWER - [SDR DXTA2021060743340](https://openairdocs.org/sdr/DXTA2021060743340), Jun 6, 2021: HANDLE. BINDING. MAIN DOOR HANDLE: THE HANDLE FOR THE MAIN CABIN DOOR IS BINDING AND REQUIRED EXCESSIVE FORCE TO MOVE INTO EITHER THE OPEN OR CLOSED POSITION. //SIGNOFF// VISUAL ## Service difficulty reports on N631QS not matched to an aircraft (12) They name N631QS, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft. - [SDR DXTA200802769](https://openairdocs.org/sdr/DXTA200802769), Jan 15, 2008: ACTUATOR. INTERMITTENT. ON ILS APPROACH GEAR WAS EXTENDED BUT LT MAIN GEAR LIGHTS DID NOT ILLUMINATE. REMOVED LT MLG ACTUATOR AND INSTALLED REPAIRED ACTUATOR I.A.W. CESSNA 560XL MAINT. - [SDR DXTA200802762](https://openairdocs.org/sdr/DXTA200802762), Jan 11, 2008: INDICATOR. UNKNOWN. EXCESSIVE BACK PRESSURE (MORE THAN NORMAL) REQUIRED FOR ROTATION. REMOVED AND REPLACED ELEVATOR TRIM WHEEL POINTER IAW MM 27-32-01. CHECKED ELEVATOR TRIM RIGGIN - [SDR DXTA200702611](https://openairdocs.org/sdr/DXTA200702611), Nov 13, 2007: INDICATION SYS. MALFUNCTIONED. EXTREME FORWARD FORCE, ON YOKE, USED TO KEEP AIRCRAFT CONTROL ON TAKEOFF. FOUND TRIM POINTER MIS-INDEXED IN TRIM WHEEL. RE-INDEXED POINTER TO PROPER POSITION. E - [SDR DXTA200702076](https://openairdocs.org/sdr/DXTA200702076), Apr 3, 2007: UNKNOWN. UNKNOWN. AFTER LOWERING LANDING GEAR (MASTER CAUTION) ALONG WITH (LOW BRAKE PRESS) AND (ANTISKID INOP) ILLUMINATED FLASHING FOR APPROX 30 SECONDS. LIGHTS EXTINGUISHED PR - [SDR DXTA200701873](https://openairdocs.org/sdr/DXTA200701873), Jan 21, 2007: TRIM SYSTEM. INOPERATIVE. ELECTRIC PITCH TRIM IS INOP ON BOTH PILOT AND COPILOT YOKES, DIVERTED. FOUND PILOTS AUTOPILOT DISENGAGE SWITCH FAILED. REMOVED AND REPLACED PILOTS AUTOPILOT SWI - [SDR DXTA200701863](https://openairdocs.org/sdr/DXTA200701863), Jan 18, 2007: LIGHT. FIRE. LEFT LOGO LIGHT CAUGHT FIRE, EXTINGUSHED W/ FIRE RETARDANT. (TAIL WAS DEICED PRIOR TO INCIDENT) INSPECTED AREA & FOUND NO DAMAGE. REMOVED LIGHT ASSY & FOUND NO - [SDR CWQR2006001](https://openairdocs.org/sdr/CWQR2006001), Mar 2, 2006: TURNBUCKLE. MISMANUFACTURED. DURING A CABLE CHANGE ON THE AILERON SYSTEM, THE PROPER CABLE TENSION COULD NOT BE BROUGHT UP. UPON INSPECTION FOUND NEW CABLE ASSEMBLY TERMINAL END WAS NOT PRO - [SDR DXTA200601181](https://openairdocs.org/sdr/DXTA200601181), Jan 3, 2006: WARNING HORN. MALFUNCTIONED. AS THRUST LEVERS WERE SET TO TAKEOFF POWER, WARNING HORN SOUNDED. TAKEOFF WAS REJECTED. FAULT WAS ISOLATED TO GEAR WARNING HORN. ITEM IS UNDER INVESTIGATION. - [SDR DXTA200501052](https://openairdocs.org/sdr/DXTA200501052), Oct 15, 2005: PRESSURE SWITCH. FAILED. WHILE ON THE TAXIWAY WITH THE PARKING BRAKE SET THE MASTER CAUTION ILLUMINATED WITH THE LOW BRAKE PRESS AND ANTI-SKID INOP ANNUNCIATORS ILLUMINATED. THE BRAKES - [SDR DXTA200501024](https://openairdocs.org/sdr/DXTA200501024), Oct 15, 2005: PRESSURE SWITCH. INOPERATIVE. WHILE ON THE TAXIWAY WITH THE PARKING BRAKE SET THE MASTER CAUTION ILLUMINATED WITH THE LOW BRAKE PRESS AND ANTI-SKID INOP ANNUNCIATORS ILLUMINATED. THE BRAKES - [SDR DXTA200500639](https://openairdocs.org/sdr/DXTA200500639), Mar 21, 2005: CONTROL BOX. MALFUNCTIONED. AFTER TAKEOFF GEAR WOULD NOT RETRACT. TROUBLESHOT SYSTEM AND FOUND LANDING GEAR CONTROL UNIT NOT FUNCTIONING PROPERLY. REMOVED CONTROL UNIT S/N - 0110 AND INSTA - [SDR DXTA200500512](https://openairdocs.org/sdr/DXTA200500512), Jan 3, 2005: RESERVOIR. LOW. LANDING GEAR WOULD NOT RETRACT. INSPECTED SYSTEM PER M/M 32-30-00, RAN GEAR UP & DOWN SEVERAL TIME NO DEFECTS NOTED, OPS CHECK GOOD. SERVICED HYD RESERVOIR. ## STCs that may be installed (OpenAirDocs) (16) Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do. ### Approved for the airframe (Textron 680A) - [STC ST04765NY](https://openairdocs.org/stc/ST04765NY): Unprepared (Grass/Sod) Runway Operations. Textron Aviation Inc - [STC ST00885LA](https://openairdocs.org/stc/ST00885LA): Installation of fire extinguisher cartridges as replacements for Pacific Scientific fire extinguisher cartridges in fire extinguisher bottles. AMETEK AMERON, LLC d/b/a MASS Systems - [STC ST12344IB](https://openairdocs.org/stc/ST12344IB): Replacement of the Halon Type 1211 portable fire extinguisher with Halotron BrX portable fire extinguisher with Halotron BrX portable fire extinguisher. Cessna Duesseldorf Citation Service Center GmbH - [STC ST122244IB](https://openairdocs.org/stc/ST122244IB): Installation of Gogo Galileo system, including HDX Antenna. Alamo Engineering GmbH - [STC ST03885AT](https://openairdocs.org/stc/ST03885AT): Installation of an Avionica, Inc. avCM Cellular Module. Aircraft Systems and Manufacturing Inc - [STC ST11983SE](https://openairdocs.org/stc/ST11983SE): Installation of Starlink Aviation System. AeroMech Incorporated - [STC ST02472AT](https://openairdocs.org/stc/ST02472AT): Installation of a mini Quick Access Recorder (QAR) model MKI, MKII, or MKIII. Aircraft Systems and Manufacturing Inc - [STC ST01117DE](https://openairdocs.org/stc/ST01117DE): Installation of the Gogo ATG C1. Peregrine - [STC ST02037WI](https://openairdocs.org/stc/ST02037WI): Installation of Gogo Business Aviation AVANCE L5 System with MB 13 Antennas. Duncan Aviation Inc - [STC ST04736NY](https://openairdocs.org/stc/ST04736NY): True Blue TS28 Emergency Battery Power Supply Replacement. Aerospace Design and Compliance LLC - [STC ST01936WI](https://openairdocs.org/stc/ST01936WI): Installation of LED lights. AeroLED's Holdings LLC - [STC ST04575AT](https://openairdocs.org/stc/ST04575AT): Installation of the Rockwell Collins ALT-1000+/ -4000+ with 5G Filtering. Chippewa Aerospace Inc - [STC ST04367CH](https://openairdocs.org/stc/ST04367CH): Installation of a Medical Interior in accordance with LifePort Master Data List EGR-887-000-001, Revision (B), dated April 18, 2019 or later FAA approved revision and LifePort Master Drawing List MDL-887-00, Revision (D), dated April 11, 2019 or later FAA approved revision.". LifePort LLC - [STC ST01027DE](https://openairdocs.org/stc/ST01027DE): Installation of MarathonNorco Aerospace Inc Nickel Cadmium battery in place of existing Nickel Cadmium main aircraft battery/batteries. MarathonNorco Aerospace Inc - [STC ST11071SC](https://openairdocs.org/stc/ST11071SC): Demonstration of aircraft critical equipment and antenna systems tolerance of radio frequency interference (RFI) from intentional or spurious transmissions from certain Portable Electronic Devices (PEDs). Liberty Partners Inc - [STC ST11168SC](https://openairdocs.org/stc/ST11168SC): Installation of a Pratt & Whitney Flight Data Acquisition, Storage, and Transmission System (FAST). Pratt & Whitney Engine Services Inc ## Related - Other Textron 680A aircraft: https://openairdocs.org/model/textron-680a/aircraft.md - The Pratt & Whitney Canada PW306D1 engine: https://openairdocs.org/engine/pratt-whitney-canada-pw306d1.md --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.