# N621QS: 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: 680A0163 - Year built: 2018 - Type: Fixed wing multi engine - Engine type: Turbo-fan - Airworthiness: Standard, transport - Airworthiness date: October 30, 2018 - Certificate issued: April 17, 2024 - Expires: April 30, 2031 - Mode S code: A81B63 - Owner type: Co-owned, fractional ownership - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=621QS - Page: https://openairdocs.org/aircraft/N621QS 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 N621QS. ## FAA accident and incident reports None matched to N621QS. ## Service difficulty reports (10) 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 DXTA2025020302178](https://openairdocs.org/sdr/DXTA2025020302178), Jan 31, 2025: COMPRESSOR. STALLED. LEFT ENGINE ENGINE COMPRESSOR STALL: AFTER DEPARTURE AND DURING THE INITIAL CLIMB THROUGH APPROXIMATELY 5000 FEET. THE LEFT ENGINE HAD A SUDDEN LOUD BANG, FOLLO - [SDR JGVR2024112600871](https://openairdocs.org/sdr/JGVR2024112600871), Nov 20, 2024: DECK PLATE. CORRODED. FOUND POTTY DECK CORRODED ON UNDER SIDE. REMOVED CORRODED SKIN FROM UNDER POTTY DECK AND INSTALLED A NEW SKIN FROM .032 2024 T3 ALUMINUM ALLOY USING EA9394 ADHE - [SDR DXTA2024042911615](https://openairdocs.org/sdr/DXTA2024042911615), Apr 27, 2024: SEAL. LEAKING. IN THE DESCENT THROUGH 10,000 FT, BOTH CREW NOTICED LT OIL PRESSURE INDICATOR TURNED AMBER AS OIL PRESSURE DECREASED. RAN THE CHECKLISTS, OIL PRESSURE CONTINUED - [SDR 2023FA0000750](https://openairdocs.org/sdr/2023FA0000750), Nov 9, 2023: FITTING. CORRODED. SR-680A-ATA53-33739 - NLG ACTUATOR FITTING REPLACEMENT. TRIMMED LOWER SKIN BOND ASSEMBLY 7411151, FABRICATED AND INSTALLED SR-680A-ATA53-33739-1 FILLER TO FACIL - [SDR DXTA2022062864880](https://openairdocs.org/sdr/DXTA2022062864880), Jun 28, 2022: NONE. NONE. MAIN DOOR: MED WILL NOT CLOSE. DOOR STOPS ONE INCH FROM COMPLETE, STOPS, THEM DALLS OPEN - [SDR 2021F00123](https://openairdocs.org/sdr/2021F00123), May 19, 2021: COVER. CORRODED. ACCOMPLISHED TEMPORARY REPAIR AND PROTECTION OF THE RH ENGINE AFT AGB COVER AND FLANGES IAW PRATT AND WHITNEY MM 72-60-01. - [SDR 2021F00122](https://openairdocs.org/sdr/2021F00122), May 19, 2021: COVER. CORRODED. ACCOMPLISHED TEMPORARY REPAIR AND PROTECTION OF THE RH AGB COVER AND FLANGES IAW PRATT AND WHITNEY MM 72-60-01. - [SDR 2021FA0000150](https://openairdocs.org/sdr/2021FA0000150), May 19, 2021: COVER. CORRODED. ACCOMPLISHED TEMPORARY REPAIR AND PROTECTION OF THE LH ENGINE AFT AGB COVER AND FLANGES IAW PRATT AND WHITNEY MM 72-60-01. - [SDR 2021F00121](https://openairdocs.org/sdr/2021F00121), May 19, 2021: STRUCTURE. DAMAGED. REPAIR TO BAGGAGE DOOR. RFTS-104868 REV. 0, N621QS (680A-0163) OVERSIZED HOLES IN BAGGAGE DOOR UNDER SNUBBER FITTING. - [SDR 2021F00119](https://openairdocs.org/sdr/2021F00119), May 17, 2021: SPLICE STRAP. CRACKED. REPAIR OF LH/RH CENTER FAIRING SUPPORTS CRACKS. NJA EO WC C68-53-0003_1 DATED: 02/15/2019, LH/RH CENTER FAIRING SUPPORT SPLICE STRAP REPAIR. ## Service difficulty reports on N621QS not matched to an aircraft (5) They name N621QS, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft. - [SDR DXTA2009072903743](https://openairdocs.org/sdr/DXTA2009072903743), Jul 28, 2009: MOTOR. MALFUNCTIONED. AFTER PREFLIGHT WHERE ALL SYS TESTED NORMAL, TAXIED OUT OF RAMP. ON FIRST BRAKE CHECK OF CHECKLIST BOTH HAD BREAKS. AFTER ABOUT 200 YRDS TAXING THE "ANTISKID IN - [SDR CWQR200622](https://openairdocs.org/sdr/CWQR200622), Aug 21, 2006: CONTROL CABLE. FRAYED. DURING A PHASE B-INSPECTION, OPERATOR REQUESTED, INSPECT THE AFT ELEVATOR TRIM CABLES. UPON INSPECTION FOUND BROKEN WIRES, TOOK CABLE TENSIONS, FOUND TO BE WITH - [SDR DXTA200400460](https://openairdocs.org/sdr/DXTA200400460), Nov 29, 2004: FILTER. WARNING LIGHT. DURING TAKEOFF ROLL MASTER CAUTION ILLUMINATED TRIGGERED BY RIGHT ENGINE FUEL FILTER BY-PASS ANNUNCIATOR. REMOVED AND REPLACED RT FUEL FILTER IAW P&W 545 MM CHA - [SDR DXTA200300201](https://openairdocs.org/sdr/DXTA200300201), Dec 16, 2003: CONTROL CABLE. FRAYED. PERFORMED AILERON WING CABLE INSPECTION PER CESSNA ASL560XL-27-12, FOUND CABLES CHAFED AGAINST WING ACCESS COVE ASSEMBLY, FOUND ALL FOUR CABLES FRAYED/BROKEN BE - [SDR DXTA200300135](https://openairdocs.org/sdr/DXTA200300135), Sep 23, 2003: CDU. INOPERATIVE. DURING FLIGHT FMS CIRCUIT BREAKER TRIPPED AND ELECTRICAL ODOR WAS PRESENT IN COCKPIT. - INSPECTED COCKPIT AND FOUND CDU INOPERATIVE, REPLACED UNIT IAW WITH CESS ## 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.