# N591QS: 2018 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: 680A0144 - Year built: 2018 - Type: Fixed wing multi engine - Engine type: Turbo-fan - Airworthiness: Standard, transport - Airworthiness date: July 16, 2018 - Certificate issued: July 10, 2025 - Expires: July 31, 2032 - Mode S code: A7A28D - Owner type: Co-owned, fractional ownership - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=591QS - Page: https://openairdocs.org/aircraft/N591QS 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 N591QS. ## FAA accident and incident reports None matched to N591QS. ## Service difficulty reports (20) 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 DXTA2026060108256](https://openairdocs.org/sdr/DXTA2026060108256), May 28, 2026: GENERATOR. FAULTED. DURING CRUISE ENG CONTROL FAULT R CASS MESSAGE ILLUMINATED. RAN QRH AND MESSAGE CLEARED. WHEN STARTING DESCENT FELT A VIBRATION THAT CHANGED WITH POWER SETTING - [SDR DXTA2025071404189](https://openairdocs.org/sdr/DXTA2025071404189), Jul 9, 2025: PANEL. LOOSE. INFLIGHT VIBRATION FELT DURING DESCENT PHASES OF FLT AT HIGH SPEEDS AND DESCENT PITCH ATTITUDES ONLY (HIGHEST AROUND 290 & DECREASES UNTIL NEGLIGABLE BELOW 225K - [SDR 2025FA0000381](https://openairdocs.org/sdr/2025FA0000381), May 30, 2025: RIB. CORRODED. CORROSION ON PANEL ATTACH FLANGES NUT-PLATES. - [SDR DXTA2025051303429](https://openairdocs.org/sdr/DXTA2025051303429), May 10, 2025: BRAKE. SMOKE. RIGHT MAIN BRAKE SMOKING AFTER LANDING. COULD FEEL VIBRATION BEFORE ENTERING RAMP. SET BRAKES FOR 1HR & OBSERVED NO LEAKS FROM RT MLG & NO LEAKS AROUND THE PUCK - [SDR DXTA2025011301927](https://openairdocs.org/sdr/DXTA2025011301927), Jan 11, 2025: SCREW. LOOSE. HYDRAULIC SYSTEM PRESSURE INDICATION: DURING DESCENT INTO IAD AT 29,000', WE NOTICED THAT HYDRAULIC PRESSURE BEGAN TO FLUCTUATE AND WOULD DROP TO ZERO "---". TH - [SDR DXTR2024082501](https://openairdocs.org/sdr/DXTR2024082501), Aug 16, 2024: FITTING. CORRODED. NLG ACTUATOR AFT ATTACHMENT CASTING IS CORRODED, STARTED REMOVAL OF CORROSION ON NLG ACTUATOR AFT ATTACHMENT FITTING IAW SRM 51-10-01.CONTINUED REMOVAL OF CORRO - [SDR DXTA2024042911625](https://openairdocs.org/sdr/DXTA2024042911625), Apr 28, 2024: BATTERY PACK. INOPERATIVE. EMER LIGHT OVER SEAT 3 IS INOP. REMOVED AND REPLACED EMERGENCY LIGHT BATTERY. OPS CHECK GOOD. IAW AMM 33-50-06. - [SDR DXTA2024030511083](https://openairdocs.org/sdr/DXTA2024030511083), Mar 3, 2024: POWER SUPPLY. FAULTED. IN ARM POSITION NO EMER LIGHTS WORK AT ALL. IN ON POSITION ALL LIGHTS WORK EXCEPT THE UNDER SEAT LIGHT AT SEAT 10 AND THE LOWER MAIN CABIN DOOR LIGHTS BOTH FORE - [SDR DXTA2024030511060](https://openairdocs.org/sdr/DXTA2024030511060), Mar 1, 2024: SIGN. INOPERATIVE. EMERG EXIT SIGN/LIGHT: REPEAT WRITEUP... ON PREFLIGHT, WHEN THE EMER LTS SWITCH IS PUT IN THE ARM POSITION, THE EMERGENCY LIGHTING SYSTEM DOES NOT ILLUMINATE. T - [SDR DXTA2024022811000](https://openairdocs.org/sdr/DXTA2024022811000), Feb 24, 2024: BATTERY. DAMAGED. CABIN EMERG LIGHT: EMER LTS DO NOT ILLUMINATE WITH BOTH BATTERIES OFF AND NO GENERATORS RUNNING AND EMER LTS SWITCH ON. REMOVED AND REPLACED DRAINED #4 EMERGENC - [SDR DXTA2024011210594](https://openairdocs.org/sdr/DXTA2024011210594), Jan 12, 2024: BATTERY. FAULTED. ON PREFLIGHT WITH AIRCRAFT BATTERIES OFF AND EMERGENCY EXIT LIGHTS SELECTED TO ARM, THE EMERGENCY LIGHTS FOR OVERHEADSEAT 7 AND EVACUATION PATH LIGHTS FOR SEATS - [SDR DXTA2023122810453](https://openairdocs.org/sdr/DXTA2023122810453), Dec 27, 2023: BATTERY. FAULTED. EMER LIGHTS OFF AMBER CAS: AFTER PERFORMING THE RECHARGE PROCEDURE ON THE EMERGENCY LIGHTS (2 CHARGES) AND WITH BATTERIES CONNECTED BUT OFF AND GENS OFF, EMER L - [SDR DXTA2023102598770](https://openairdocs.org/sdr/DXTA2023102598770), Oct 25, 2023: UNKNOWN. UNKNOWN. CABIN EMERG LIGHT: WHEN PLACING THE EMERG LIGHT SWITCH TO ARM, NONE OF THE EMERGENCY CABIN LIGHTS COME ON. PERFORMED THE EMERG LIGHT OPERATIONAL TEST IAW 33-50- - [SDR DXTA2023072791790](https://openairdocs.org/sdr/DXTA2023072791790), Jul 26, 2023: VALVE. FAULTED. 5-10 MINUTES AFTER ENGINE SHUTDOWN, WITH THE APU RUNNING AND THE APU BLEED AIR ON, THE COCKPIT STARTED FILLING WITH SMOKE. THE SMOKE DID NOT SMELL ELECTRICAL. I - [SDR DXTA2021111551770](https://openairdocs.org/sdr/DXTA2021111551770), Nov 12, 2021: NONE. NONE. MAIN DOOR HANDLE: CAN NOT OPEN DOOR FROM INSIDE THE PLANE. DOOR CAN BE OPENED AND SHUT FROM OUTSIDE. WHEN YOU PRESS RED BUTTON ON SILVER HANDLE YOU USUALLY HERE - [SDR DXTA022520213860](https://openairdocs.org/sdr/DXTA022520213860), Feb 24, 2021: VALVE. DEFECTIVE. FUEL DISTRIBUTION: FUELED WITH 10200 AND HAD A LEFT SIDE HEAVY 500LB IMBALANCE. CORRECTED IMBALANCE PRIOR TO TAKEOFF, REACHED CRUISE AND CROSSFED TO CORRECT THE - [SDR DXTA2021011804617](https://openairdocs.org/sdr/DXTA2021011804617), Jan 18, 2021: WIRE. BROKEN. UNABLE TO OPEN THE MAIN CABIN DOOR FROM INSIDE THE CABIN. WE TRIED WITH APU POWER ON AND OFF. DOOR WILL CLOSE WITH THE MOTOR NORMALLY AND LOCK. GROUND CREW WAS - [SDR 2020F00326](https://openairdocs.org/sdr/2020F00326), Jun 29, 2020: DOUBLER. CRACKED. CRACK DAMAGE, NOSE LANDING GEAR WHEEL WELL (NWW), FRAME, WEB, AND DOUBLERS, FS 75. ACCOMPLISHED A FIELD REPAIR SR-680A-ATA53-25890 REV- DATED JUNE 1, 2020 AND 8 - [SDR 2020FA0000026](https://openairdocs.org/sdr/2020FA0000026), Jan 9, 2020: CAP. ERODED. RH HORIZONTAL STAB TIP IS ERODED INTO THE COMPOSITE. REFERENCE TEXTRON AVIATION ENGINEERING MEMO DQ24284M1 DATED JANUARY 7, 2020. - [SDR DXTA2019031402159](https://openairdocs.org/sdr/DXTA2019031402159), Mar 13, 2019: CONNECTOR. DIRTY. RIGHT MLG LANDING GEAR RETRACTION DID NOT RETRACT - GEAR DISSAGREE R CAS ILLUMINATED UPON GEAR RETRACTION WITH DN INDICATING ON RT MLG. **SUPPLEMENTAL INFORMATI ## 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.