# N544QS: 2017 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: 680A0093 - Year built: 2017 - Type: Fixed wing multi engine - Engine type: Turbo-fan - Airworthiness: Standard, transport - Airworthiness date: July 31, 2017 - Certificate issued: September 30, 2025 - Expires: September 30, 2032 - Mode S code: A6E837 - Owner type: Co-owned, fractional ownership - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=544QS - Page: https://openairdocs.org/aircraft/N544QS 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 N544QS. ## FAA accident and incident reports None matched to N544QS. ## 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 2026FA0000823](https://openairdocs.org/sdr/2026FA0000823), Oct 7, 2026: SPAR CAP. CORRODED. CORROSION FOUND ON LT WING AFT SPAR LOWER CAP. ACCOMPLISHED REMOVAL OF CORROSION AND NDT TO VERIFY NO CRACKS PRESENT AND DETERMINE THE REMAINING MATERIAL THICKN - [SDR DXTA2025092205009](https://openairdocs.org/sdr/DXTA2025092205009), Sep 18, 2025: BATTERY PACK. INOPERATIVE. AIRCRAFT PREFLIGHT CHECK OF EMERGENCY LIGHTS TO ARM, NO EXTERIOR OR INTERIOR EMERGENCY LIGHTS ILLUMINATED. SHOULD ALL ILLUMINATE WITH NO MAIN DC POWER. SWITCH T - [SDR DXTA2024073000043](https://openairdocs.org/sdr/DXTA2024073000043), Jul 29, 2024: BATTERY. NO TEST. DURING EMERGENCY LIGHT TEST DISCOVERED INOP EMER LIGHTS AT THE FOLLOWING POSITIONS OVERHEAD LIGHT AT LAV FLOOR LIGHT AT LAV EXIT SIGN ABOVE SEAT 7 EXTERIOR EMER - [SDR DXTA2024071512342](https://openairdocs.org/sdr/DXTA2024071512342), Jul 12, 2024: BATTERY. DISCHARGED. EMERGENCY LIGHTING: EXIT LIGHT OVER SEAT 7 DOES NOT ILLUMINATE WHEN EMER LIGHTS ARE IN ARM AND MAIN BATTERIES ARE OFF. RAN QR PROCEDURE. LIGHT COMES ON FOR A SH - [SDR DXTA2024031411201](https://openairdocs.org/sdr/DXTA2024031411201), Mar 14, 2024: GSD. FAULTED. DURING FLIGHT HAD AN AMBER GSD 2 FAIL. THE QRH HAD US PERFORM A BLOW DOWN OF THE LANDING GEAR. REMOVED GSD41 DUE TO FAILURE AND INSTALLED REPAIRED GSD41 PN 011- - [SDR DXTA2023121510340](https://openairdocs.org/sdr/DXTA2023121510340), Dec 14, 2023: UPLOCK SWITCH. FAILED. GEAR DISAGREE NOSE APPEARED IN CRUISE WITH LOUD BANG & HASH MARKS ON NOSE GEAR INDICATION. TOOK OFF FROM KPGD NORMALLY AND ALL GEAR RETRACTED WITH NORMAL INDICA - [SDR DXTA2022101372020](https://openairdocs.org/sdr/DXTA2022101372020), Oct 12, 2022: CONNECTOR. DIRTY. MAIN DOOR: AMBER DOOR OPEN LIGHT WILL NOT EXTINGUISH. CABIN DOOR OPEN CAS MESSAGE ILLUMINATED ALSO. RAN THE CHECKLIST AND COULD NOT GET THE " CHECK HANDLE/PUSH - [SDR DXTA2022081267810](https://openairdocs.org/sdr/DXTA2022081267810), Aug 12, 2022: PAWL. OUT OF ADJUST. MAIN DOOR: MAIN CABIN DOOR AMBER CAS MESSAGE DISPLAYED AFTER CLOSING DOOR. RESET PROCEDURE IS NOT WORKING.//CORRECTIVE ACTION// POWERED AIRCRAFT AND CLOSED CABI - [SDR DXTA2022063065010](https://openairdocs.org/sdr/DXTA2022063065010), Jun 29, 2022: PROXIMITY SENSOR. OUT OF ADJUST. MAIN DOOR: MAIN DOOR ONLY OPENS AN INCH WHEN DOOR HANDLE IS LIFTED. YOU HAVE TO PUSH THE DOOR THEN IT WILL OPEN. SEEMS TO BE A CATCH. // SIGNOFF // DURING T/S N - [SDR 2022FA0000207](https://openairdocs.org/sdr/2022FA0000207), Apr 12, 2022: ELEVATOR. GOUGED. 8 GOUGES FOUND ON LH ELEVATOR AND LH HORIZONTAL STAB TRAILING EDGE LOCATED AT TRIM TAB PUSH ROD STRUCTURE AREA. REFERENCE CESSNA STRUCTURES ENGINEERING MEMORAND - [SDR 2022FA0000206](https://openairdocs.org/sdr/2022FA0000206), Apr 12, 2022: THRUST REVERSER. CORRODED. UPON REMOVAL OF RH ENGINE, FOUND RH LOWER BOTTOM THRUST REVERSER FLANGE CORRODED C/T ENGINE OUTER BYPASS. REFERENCE TEXTRON AVIATION LETTER FF220401 DATED APRIL - [SDR 2022FA0000158](https://openairdocs.org/sdr/2022FA0000158), Mar 20, 2022: ATTACH FITTING. CORRODED. UPON REMOVING NLG ACTUATOR, FOUND ACTUATOR ATTACH FITTING PITTED AND CORRODED AROUND OUTBOARD SIDES OF LUGS AND BORE (ID).TEXTRON AVIATION INC. STANDARD REPAIR - [SDR DXTA022220213841](https://openairdocs.org/sdr/DXTA022220213841), Feb 19, 2021: STRUT. DEFECTIVE. MAIN DOOR: REPEAT WRITE-UP. THE MAIN CABIN DOOR DID NOT AUTOMATICALLY FALL UPON OPENING THE DOOR. CREW HAD TO PUSH ON IT TO GET THE DOOR TO CONTINUE TO GO DOWN. - [SDR DXTA2021021504726](https://openairdocs.org/sdr/DXTA2021021504726), Feb 12, 2021: STATIC INVERTER. DEFECTIVE. SMOKE IN COCKPIT / CABIN: FIRST NOTICED ACRID BURNING SMELL IN BAGGAGE AREA BUT WAS QUICKLY APPRENT IN COCKPIT AND CABIN. WE IMMEDIATELY SHUT DOWN APU. JUST PRI - [SDR DXTA2020122004504](https://openairdocs.org/sdr/DXTA2020122004504), Dec 20, 2020: DOOR. BINDING. MAIN ENTRY DOOR WILL NOT OPEN AUTOMATICALLY UPON LIFTING SILVER RELEASE HANDLE. CREW HAD TO PUSH ON DOOR FROM INSIDE IN ORDER TO OPEN MAIN ENTRY DOOR. DOOR HARD - [SDR 2020FA0000337](https://openairdocs.org/sdr/2020FA0000337), Jul 17, 2020: SUPPORT WEB. CRACKED. STANDARD REPAIR - CRACK DAMAGE, NOSE LANDING GEAR WHEEL WELL (NWW), FRAME, WEB, AND DOUBLERS, FS 75. FIELD REPAIR SR-680A-ATA53-25890 REV- DATED 6/1/2020 WITH F - [SDR DXTR2019091901](https://openairdocs.org/sdr/DXTR2019091901), Sep 19, 2019: SKIN. CORRODED. CORROSION ON TRAILING EDGE OF LT HORIZONTAL INBD OF ELEVATOR LOCATED @ APPROXIMATELY FS 708.9 & LBL 10.0 THRU 15.0. REPAIRED IAW NJA RFTS-103563. - [SDR DXTA2019062602536](https://openairdocs.org/sdr/DXTA2019062602536), Jun 25, 2019: UPLOCK SWITCH. DEFECTIVE. GEAR DISAGREE R AMBER CAS ILLUMINATED - UPON SELECTING GEAR DOWN, AN AMBER "X" APPEARED IN THE RIGHT MAIN GEAR INDICATOR POSITION ALONG WITH AN AMBER "GEAR DISA - [SDR DXTA2019051502396](https://openairdocs.org/sdr/DXTA2019051502396), May 14, 2019: WIRE HARNESS. DEFECTIVE. LEFT MLG LANDING GEAR RETRACTION DID NOT RETRACT - LEFT LANDING GEAR WOULD NOT RETRACT, GEAR INDICATOR LIGHTS REMAINED YELLOW DOWN , ADC SSEC MISSCOMPARE EICAS - [SDR DXTA20171012544](https://openairdocs.org/sdr/DXTA20171012544), Oct 9, 2017: COFFEEMAKER. ODOR. SMOKE ODOR IN THE COCKPIT, DESCENDING THROUGH 14,000 FT AND DISSIPATED AROUND 4,000 FT. NOTICEABLE SOOTING AT LEFT AND RIGHT GENERATORS. AIRCRAFT DEPARTED DURIN ## Service difficulty reports on N544QS not matched to an aircraft (3) They name N544QS, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft. - [SDR DXTA200500699](https://openairdocs.org/sdr/DXTA200500699), Apr 26, 2005: STRUT. DAMAGED. THRU V1, RUDDER BECAME EXTREMELY STIFF AND REMAINED STIFF UNTIL AFTER AIRCRAFT CAME TO A TAXI. YAW DAMPER WAS CYCLED ON THEN OFF TWICE AND APPEARED TO FUNCTION - [SDR DXTA200400503](https://openairdocs.org/sdr/DXTA200400503), Dec 30, 2004: OIL SYSTEM. OVERSERVICED. IMMEDIATELY AFTER AIRBORNE & SELECTING MAIN AIR VALVE TO ON, SMOKE BEGAN TO BELLOW THROUGHOUT THE COCKPIT AND CABIN AREAS. MAIN AIR VALVES WERE IMMEDIATELY SELE - [SDR 96ZZZX19](https://openairdocs.org/sdr/96ZZZX19), Dec 13, 1995: MASK. TORN. MASK RUBBER FACE CUP IS TORN. ON THIS ACFT, 6 MASKS WERE FOUND UNSERVICABLE. ALL MASKS HAD THE SAME DISCREPANCY. ONE NEW MASK WAS FOUND TORN PRIOR TO INSTALLATI ## 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.