# N523QS: 2016 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: 680A0061
- Year built: 2016
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: December 15, 2016
- Certificate issued: September 26, 2026
- Expires: September 30, 2033
- Mode S code: A69582
- Owner type: Corporation
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=523QS
- Page: https://openairdocs.org/aircraft/N523QS

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 (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB CEN26FA228](https://openairdocs.org/ntsb/CEN26FA228), Jun 17, 2026: Textron 680A (N523QS), Laredo, TX, substantial damage, 1 fatal, investigation ongoing

## FAA accident and incident reports (1)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Accident 20260616008199A](https://openairdocs.org/incident/20260616008199A), Jun 16, 2026: Textron Aviation Inc 680A (N523QS), Laredo, TX, Substantial damage, 1 fatal. While enroute, the airplane crew alerting system warned the crew of issues with the electrical system and fuel system. The crew diverted the flight to Laredo,…

## Reports on N523QS not matched to an aircraft (1)

They name N523QS, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [Incident 19960409018259I](https://openairdocs.org/incident/19960409018259I), Apr 9, 1996: Braero BAE1251000 (N523QS), Milwaukee, WI. Narrative: 4-9-96 after initial take off & climb out we noticed smoke coming in airconditioning vents. We declared an emergency with mke tower and flew a VFR…

## Service difficulty reports (13)

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 DXTA2025082604711](https://openairdocs.org/sdr/DXTA2025082604711), Aug 24, 2025: UNKNOWN. ODOR. SLIGHT BURNING ODOR IN THE ACFT AT FL 210. OUTSIDE RAM AIR TEMP WAS 12 DEGREES C. NO SMOKE WAS PRESENT. NO UNUSUAL ODOR OR BURNING SMELL WAS NOTICED. STARTED AP
- [SDR DXTA2025052903684](https://openairdocs.org/sdr/DXTA2025052903684), May 29, 2025: ELEC CONNECTOR. DISCONNECTED. LOWER LEVEL EMER LIGHT IN LAV (BELOW THE SEAT) IS UNSERVICABLE. ALL OTHER LIGHTS WORK NORMALLY CORRECTIVE ACTION: GAINED ACCESS TO AIRCARFT AND TURNED ON EMERGE
- [SDR DXTA2024062712182](https://openairdocs.org/sdr/DXTA2024062712182), Jun 26, 2024: SEAL. UNKNOWN. LOUD SQUEAL HEARD DURING DECENT FROM 7500 FT ALL THE WAY DOWN TO 5000 FT. 2.7 PRESSURE DIFFERENCE WHEN SQUEALING STOPPED. NO SQUEAL DURING CLIMB OR CRUISE. CABI
- [SDR DXTA2022091970730](https://openairdocs.org/sdr/DXTA2022091970730), Sep 18, 2022: NONE. NONE. MAIN EXIT SIGN/LIGHT: MAIN DOOR EXIT SIGN LIGHTS REMAIN ON REGARDLESS OF SWITCH POSITION. // SIGNOFF// FOUND #1 EMERGENCY LIGHTING INERTIA SWITCH TO BE TRIPPED.
- [SDR DXTA2021082547640](https://openairdocs.org/sdr/DXTA2021082547640), Aug 24, 2021: BATTERY. FAULTY. CABIN EMERG LIGHT: WHEN PLANE POWERED UP WITHIN 20 MINS OF SHUTDOWN, THE FOLLOWING EMERGENCY LIGHTS FAILED TO ILLUMINATE: FLOOR SEAT 5 & 8, OVER WIND RIGHT SIDE
- [SDR DXTA2021082447640](https://openairdocs.org/sdr/DXTA2021082447640), Aug 24, 2021: LIGHT. INOPERATIVE. CABIN EMERG LIGHT: WHEN PLANE POWERED UP WITHIN 20 MINS OF SHUTDOWN, THE FOLLOWING EMERGENCY LIGHTS FAILED TO ILLUMINATE: FLOOR SEAT 5 & 8, OVER WIND RIGHT SIDE
- [SDR 2021FA0000145](https://openairdocs.org/sdr/2021FA0000145), May 17, 2021: COVER. CORRODED. #2 ENGINE ACCESSORY GEAR BOX REAR COVER HAS MULTIPLE AREAS OF CORROSION. TEMPORARY REPAIR AND PROTECTION OF THE AGB COVER FLANGES FROM MINOR CORROSION IAW P&WC 
- [SDR 2021F00118](https://openairdocs.org/sdr/2021F00118), May 17, 2021: GEARBOX. CORRODED. #1 ENGINE ACCESSORY GEARBOX REAR COVER HAS CORROSION IN MULTIPLE AREAS. TEMPORARY REPAIR AND PROTECTION OF THE AGB COVER FLANGES FROM MINOR CORROSION IAW P&WC 3
- [SDR DXTA022620213863](https://openairdocs.org/sdr/DXTA022620213863), Feb 25, 2021: DOOR. OUT OF ALIGNMENT. MAIN DOOR: CABIN DOOR WILL NOT CLOSE UNTIL AFTER THE CANCEL BUTTON IS PRESSED. THEN DOOR OCCASIONALLY STOPS HALF WAY UP, THEN CONTINUES. // SIGN OFF // INSPECTE
- [SDR DXTA022520213863](https://openairdocs.org/sdr/DXTA022520213863), Feb 25, 2021: DOOR. MALFUNCTIONED. MAIN DOOR: CABIN DOOR WILL NOT CLOSE UNTIL AFTER THE CANCEL BUTTON IS PRESSED. THEN DOOR OCCASIONALLY STOPS HALF WAY UP, THEN CONTINUES.
- [SDR DXTA2020091404086](https://openairdocs.org/sdr/DXTA2020091404086), Sep 14, 2020: ACTUATOR. FAILED. ON DESCENT, STARTED TO SMELL A LIGHT BURNING SMELL IT WAS FOLLOWED BY AN AMBER BLD AIR O TEMP R CAS MESAGE. WE RAN THE CHECKLIST AND THE CAS MESSAGE WENT OUT. T
- [SDR 2020F00304](https://openairdocs.org/sdr/2020F00304), Jun 15, 2020: DOUBLER. CRACKED. CRACK DAMAGE, NOSE LANDING GEAR WHEEL WELL (NWW), FRAME, WEB, AND DOUBLERS, FS 75. ACCOMPLISHED FIELD REPAIR SR-680A-ATA53-25890 REV- DATED JUNE 1, 2020 AND 810
- [SDR 2020F00170](https://openairdocs.org/sdr/2020F00170), Feb 14, 2020: FAIRING. DELAMINATED. LOWER FAIRING (RIGHT SIDE) DAMAGE, ENGINEERING MEMO DQ2744M1 DATED FEBRUARY 13,2020,

## Service difficulty reports on N523QS not matched to an aircraft (2)

They name N523QS, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [SDR DXTA200400498](https://openairdocs.org/sdr/DXTA200400498), Dec 26, 2004: CDU. FAULTY. BURING ELECTRICAL SMELL IN COCKPIT, NO OTHER INDICATIONS. GEN 1 AMPS 80/ GEN 2 AMPS 120. REMOVED NR 1 FMS CDU DUE TO NO DISPLAY AND FAINT BURNING ELECTRICAL SME
- [SDR DXTA200300035](https://openairdocs.org/sdr/DXTA200300035), May 22, 2003: MASTER CYLINDER. OVERSERVICED. NO BRAKING ACTION FROM CO-PILOT'S RIGHT BRAKE PEDAL (ONLY 300-400 PSI REGISTERED ON BRAKE PRESS. GAUGE). - BLED HYDRAULIC SYSTEM AND SERVICED MASTER CYLINDER TO

## 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

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