# N524QS: 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: 680A0062 - Year built: 2016 - Type: Fixed wing multi engine - Engine type: Turbo-fan - Airworthiness: Standard, transport - Airworthiness date: December 26, 2016 - Certificate issued: June 10, 2026 - Expires: June 30, 2033 - Mode S code: A69939 - Owner type: Co-owned, fractional ownership - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=524QS - Page: https://openairdocs.org/aircraft/N524QS 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 N524QS. ## FAA accident and incident reports None matched to N524QS. ## Service difficulty reports (18) 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 DXTA2026102310303](https://openairdocs.org/sdr/DXTA2026102310303), Oct 22, 2026: THRUST REVERSER. FAULTED. GEA 2 FAIL CAS PRESSUZATION FAULT CAS T/R ARMED R CAS T/R UNLOCK CAS ENG CNTL FAULT L/R CAS - [SDR DXTA2026081809323](https://openairdocs.org/sdr/DXTA2026081809323), Aug 17, 2026: CABIN PRESS SYS. NO DISCREPANCY. PASSING 17,000 FEET, RECEIVED A CABIN ALT HIGH YELLOW CAS. THE DELTA P WOULD NOT INCREASE PAST 0.6 PSI. RECEIVED A WHITE CABIN ALTITUDE CAS BEFORE BUT ASSUMED I - [SDR DXTA2025070904160](https://openairdocs.org/sdr/DXTA2025070904160), Jul 7, 2025: BATTERY. NO TEST. EMERGENCY LIGHTS TEST FAILED DURING PREFLIGHT. TWO UNSUCCESSFUL SEPARATE 30' CHARGING CYCLES (60' CUMULATIVE) WERE PERFORMED PER QRH CHARGING PROCEDURE. NO LIGH - [SDR 3J7R2024083000001](https://openairdocs.org/sdr/3J7R2024083000001), Aug 30, 2024: LIGHT. DIM. DURING MAINTENANCE CHECKLIST FOUND RH OVERWING EMERGENCY LIGHT DIM - [SDR DXTA2024011610633](https://openairdocs.org/sdr/DXTA2024011610633), Jan 15, 2024: UNKNOWN. UNKNOWN. EMERGENCY LIGHTING: NO EMERGENCY LIGHTS ILLUMINE IN CABIN WHEN EMER LTS SWITCH IS SELECTED ON //SIGNOFF// COMPLIED WITH NJA TASK TC·FLT-33-1001 CESSNA 680/680A/ - [SDR DXTA2023112210116](https://openairdocs.org/sdr/DXTA2023112210116), Nov 21, 2023: BRAKE ASSY. WORN. NLG: ON TAXI NOSE WHEEL SHIMMY OBSERVED AT LOW AND HIGH TAXI SPEEDS. RIGHT MLG BRAKE: ON TAXI OUT DOING THE BRAKE CHECK IT WAS OBSERVED THAT THE BRAKES ARE EXTR - [SDR DXTA2023102398570](https://openairdocs.org/sdr/DXTA2023102398570), Oct 22, 2023: BATTERY. FAILED. CABIN EMERG LIGHT: EMERGENCY LIGHTING AT SEAT #3 - UNDER SEAT AND READING LIGHT AND RIGHT WING INSPECTION LIGHT INOPERATIVE. GAINED ACCESS TO EMER. BAT AND REMO - [SDR DXTA2023100296980](https://openairdocs.org/sdr/DXTA2023100296980), Sep 30, 2023: UPLOCK SWITCH. DEFECTIVE. GEAR DISAGREE L AMBER CAS: AFTER THE GEAR HANDLE WAS SELECTED DOWN, THE LEFT GEAR INDICATOR SHOWED A YELLOW X, WHICH LATER TURNED TO RED ALONG WITH AN AURAL WAR - [SDR DXTA2023091295280](https://openairdocs.org/sdr/DXTA2023091295280), Sep 11, 2023: UPLOCK SWITCH. FAULTED. DURING VISUAL APPROACH INTO APA, WHEN MLG HANDLE SELECTED DOWN, RT MLG PRESENTED A YELLOW X & CAS MESSAGE MLG DISAGREE RT ILLUMINATED. RAN CHECKLIST, PULLED BLO - [SDR DXTA2023082393680](https://openairdocs.org/sdr/DXTA2023082393680), Aug 22, 2023: CONTROL VALVE. DEFECTIVE. UPON LANDING, THERE IS A SIGNIFICANT LT PULL WITH EQUAL APPLICATION OF BRAKE PEDALS. IT IS BOTH FELT & A SQUEAL HEARD THROUGHOUT THE APPLICATION. BRAKES APPEAR - [SDR 2021FA0000336](https://openairdocs.org/sdr/2021FA0000336), Nov 23, 2021: NONE. NONE. LH ENGINE LPT BORESCOPE PORT PLUG BROKEN BOLT. REFERENCE PRATT & WHITNEY CANADA LETTER DAA2021-891-PW306D1-CN0121, CRM CASE: PWC-201057-M8D8 DATED NOVEMBER 18,2 - [SDR DXTA2020103104296](https://openairdocs.org/sdr/DXTA2020103104296), Oct 31, 2020: BATTERY. FAULTED. DURING THE POWER ON CHECKLIST NONE OF THE EMERGENCY LIGHTS WOULD ILLUMINATE WITH THE SWITCH SELECTED TO ARM. THE MAIN BATTERIES WERE CONNECTED BUT OFF. THE EMER - [SDR DXTR201907101](https://openairdocs.org/sdr/DXTR201907101), Jul 10, 2019: ANTI-ICE VALVE. INTERFERENCE. WING ANTI-ICE CROSSFLOW VALVE HAS CAUSED DAMAGE TO THE LOWER FUSELAGE SKIN. DURING INSPECTION FOUND THERE IS A CHAFFED SPOT ON THE LOWER SKIN P/N: 7411392-12 OF - [SDR DXTA2018031500716](https://openairdocs.org/sdr/DXTA2018031500716), Mar 14, 2018: FILTER. DIRTY. COCKPIT ODOR BURNING SMELL. STRONG BURNING ODORS PRESENT BOTH WHEN STARTING THE APU AND THE ENGINES. ODOR SEEMS TO BE STRONGEST AFTER STARTING APU AND SELECTING - [SDR DXTA2018010800455](https://openairdocs.org/sdr/DXTA2018010800455), Jan 8, 2018: UNKNOWN. SMOKE. DURING TAXI OUT AFTER PERFORMING THE ANTI-ICE TEST, SMOKE APPEARED IN THE COCKPIT AND CABIN. APU WAS OFF. - [SDR DXTA2018010500441](https://openairdocs.org/sdr/DXTA2018010500441), Jan 4, 2018: APU. CONTAMINATED. UPON LANDING SMOKE FILLED THE CABIN AND THE COCKPIT. MAINTENANCE RECEIVED 2 FAULT CODES: 142 & 144. INSPECTED APU FOUND EVIDENCE OF DE-ICING FLUID IN INLET, FLU - [SDR 2018F00057](https://openairdocs.org/sdr/2018F00057), Dec 21, 2017: BEARING. MIGRATED. FORWARD AND AFT MAIN ENTRY DOOR SUPPORT LUG BEARINGS HAVE MIGRATED ALLOWING THE SUPPORT TO CHAFE. REPAIRED IAW DQ10536M1, REV A. - [SDR 2018F00056](https://openairdocs.org/sdr/2018F00056), Dec 21, 2017: BEARING. MIGRATED. FORWARD AND AFT MAIN ENTRY DOOR SUPPORT LUG BEARINGS HAVE MIGRATED ALLOWING THE SUPPORT TO CHAFE. REPAIRED IAW DQ10536RRL1. ## 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.