# N598QS: 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: 680A0157 - Year built: 2018 - Type: Fixed wing multi engine - Engine type: Turbo-fan - Airworthiness: Standard, transport - Airworthiness date: October 10, 2018 - Certificate issued: January 13, 2026 - Expires: January 31, 2033 - Mode S code: A7BC8E - Owner type: Co-owned, fractional ownership - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=598QS - Page: https://openairdocs.org/aircraft/N598QS 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 N598QS. ## FAA accident and incident reports None matched to N598QS. ## Service difficulty reports (12) 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 DXTA2026081409275](https://openairdocs.org/sdr/DXTA2026081409275), Aug 13, 2026: PCB. ILLUMINATED. AT CRUISE WHEN FUEL XFEED MOVED TO OFF POSITION, AMBER FUEL BST PUMP ON L AND R CAS MESSAGE POSTED. RAN QRH. MESSAGE POSTED WHEN XFEEDING L TO R AND R TO L. CAR - [SDR DXTA2026022707031](https://openairdocs.org/sdr/DXTA2026022707031), Feb 25, 2026: PUMP. FAULTED. AT CRUISE FL400 AFTER TURNING THE FUEL CROSSFEED FROM L TANK TO R ENG TO THE OFF POSITION WE RECEIVED A FUEL BST PUMP ON L-R AMBER CAS MESSAGE. LANDED AS SOON A - [SDR DXTA2024032511288](https://openairdocs.org/sdr/DXTA2024032511288), Mar 23, 2024: HANDLE. FAULTED. MAIN CABIN DOOR HANDLE WILL NOT MOVE TO LOCK POSITION TO LOCK PINS IN PLACE. RAN N1 CHECK LIST. REMOVED MAIN DOOR STEPS AND PANEL'S TO INSPECT DOOR. NO DAMAGE O - [SDR DXTA2024030811132](https://openairdocs.org/sdr/DXTA2024030811132), Mar 7, 2024: HANDLE. BINDING. MAIN DOOR: MAIN CABIN DOOR LATCH HANDLE APPEARS TO BE PHYSICALLY JAMMED. IT IS IN THE OPEN POSITION. WHEN ATTEMPTING TO MOVE TO THE CLOSED PISITION IT TRAVELS A - [SDR 2022F00459](https://openairdocs.org/sdr/2022F00459), Nov 15, 2022: SKIN. CORRODED. RIGHT WING UPPER SKIN DAMAGE (CORROSION) ENGINEERING MEMO # DQ36175M1 DATED SEPT 23, 2022 - [SDR 2022F00354](https://openairdocs.org/sdr/2022F00354), Sep 27, 2022: NONE. CORRODED. HORIZONTAL STABILIZER (RIGHT LOWER) SKIN DAMAGE (CORROSION). ACCOMPLISHED TEXTRON AVIATION REPAIR LETTER DQ36235M1 DATED: SEPT 14, 2022, HORIZONTAL STABILIZER ( - [SDR 2022F00366](https://openairdocs.org/sdr/2022F00366), Sep 27, 2022: SKIN SPLICE. CORRODED. HORIZONTAL STABILIZER (RIGHT SIDE) UPPER/LOWER SKIN SPLICE STRAP CORROSION. ACCOMPLISHED TEXTRON AVIATION REPAIR LETTER DQ36311M1 DATED: SEPT 12, 2022, HORIZONT - [SDR 2022F00360](https://openairdocs.org/sdr/2022F00360), Sep 27, 2022: NONE. CORRODED. LEFT WING EXTENSION UPPER SKIN DAMAGE (CORROSION). ACCOMPLISHED TEXTRON AVIATION REPAIR LETTER DQ36161M1 DATED: SEPT 14, 2022, LEFT WING EXTENSION UPPER SKIN DA - [SDR DXTA2022020856370](https://openairdocs.org/sdr/DXTA2022020856370), Feb 6, 2022: LIGHT. DEFECTIVE. ON POST FLIGHT INSPECTION THE EXTERIOR EMERGENCY LIGHT WAS FOUND TO BE EXTREMELY DIM.///SIGN-OFF///REMOVED OVERWING EMERGENCY LIGHT ASSY P/N OWL100-04 S/N 11500 - [SDR DXTA2021122954330](https://openairdocs.org/sdr/DXTA2021122954330), Dec 27, 2021: UNKNOWN. DEFECTIVE. NLG: REPEAT WRITE UP AT FL240 WE FELT THE NOSE GEAR UNLOCK AND THE YELLOW AND BLACK HASH LINES SHOW UP WITH THE GEAR DISAGREE N AMBER CAP ON. WE RAN THE QRC AND - [SDR DXTA2021071245090](https://openairdocs.org/sdr/DXTA2021071245090), Jul 11, 2021: ELEMENT. FIRE. FIRST OFFICER`S COCKPIT WINDOW R4 HEATING ELEMENT CAUGHT FIRE DURING APPROACH. IT CREATED A CIRCULAR CRACK AROUND THE PERIMETER OF THE INNER PANE. INSTALLED A N - [SDR DXTA2021010904575](https://openairdocs.org/sdr/DXTA2021010904575), Jan 9, 2021: SWITCH. MALFUNCTIONED. WITH THE EMERGENCY LIGHTS SWITCH IN THE ARM OR OFF POSITION THE EMERGENCY EXIT SIGN/LIGHT ABOVE THE MAIN CABIN DOOR REMAINS ILLUMINATED. THE TWO RED EXIT LIGHTS ## 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.