# N525QS: 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: 680A0063
- Year built: 2016
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: December 23, 2016
- Certificate issued: March 2, 2026
- Expires: March 31, 2033
- Mode S code: A69CF0
- Owner type: Co-owned, fractional ownership
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=525QS
- Page: https://openairdocs.org/aircraft/N525QS

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 N525QS.

## FAA accident and incident reports

None matched to N525QS.

## Service difficulty reports (25)

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 DXTA2026081709309](https://openairdocs.org/sdr/DXTA2026081709309), Aug 16, 2026: DOOR. BINDING. IN SIMPLEST TERMS, MAIN PASSENGER DOOR HAS A HITCH IN THE GIDDYUP. HAS A SLIGHT PAUSE OR HESITATION AS THE DOOR COMES UP ABOUT HALFWAY. IT SEALS AND CLOSES PROP
- [SDR DXTA2026032307286](https://openairdocs.org/sdr/DXTA2026032307286), Mar 17, 2026: STRUT. FAULTED. WHEN OPENING AND CLOSING THE CABIN ENTRY DOOR THERE IS A LOUD POPPING SOUND. WHEN THE DOOR IS COMING UP THERE IS A LOUD POPPING SOUND AS IF THE DOOR IS CATCHING
- [SDR 2025FA0000394](https://openairdocs.org/sdr/2025FA0000394), Jun 10, 2025: LANDING. CORRODED. CORROSION ON FUEL PANEL LANDS
- [SDR DXTR202502270055](https://openairdocs.org/sdr/DXTR202502270055), Feb 27, 2025: SKIN. GOUGED. GOUGE, TAILCONE, AFT UPPER MIDDLE SKIN. ACCOMPLISHED FR-680A-0063-14787 REV - DATED 2-20-25 AND FAA FORM 8110-3 DATED 02/20/2025; FIELD REPAIR - GOUGE, TAILCONE
- [SDR DXTA202502270053](https://openairdocs.org/sdr/DXTA202502270053), Feb 27, 2025: SKIN. DEBONDED. DEBONDING OF LH/RH WING UPPER SKIN ASSEMBLY AT STRINGER ENDS. ACCOMPLISHED FR-680A-0063-14759 REV - DATED 2-13-2025 AND FAA FORM 8110-3 DATED 02/13/2025; FIELD 
- [SDR DXTA2024091700553](https://openairdocs.org/sdr/DXTA2024091700553), Sep 15, 2024: DOOR. BINDING. MAIN DOOR: UPON ARRIVIAL IN PDX WE WERE UNABLE TO OPEN THE MAIN CABIN DOOR. WE HAD TO HAVE THE GROUND CREW OPEN DOOR FROM OUTSIDE TO LET US OUT. ONCE OPEN THE H
- [SDR DXTA2024081900233](https://openairdocs.org/sdr/DXTA2024081900233), Aug 15, 2024: BATTERY. FAILED. EMER LIGHTS FAILED TEST DURING POWER ON CHECKLIST. PROBABLY A SWITCH ISSUE. THEY DO NOT ILLUMINATE WITH SWITCH IN ARM POSITION AND NO DC POWER AS REQUIRED PER T
- [SDR DXTA2024081900214](https://openairdocs.org/sdr/DXTA2024081900214), Aug 14, 2024: LIGHT. NONE. FLOOR EMERG EXIT LIGHT: FLOOR EMERGENCY LIGHTS ARE INOP CORRECTIVE ACTION: PERFORMED EMERGENCY LIGHT OPERATIONAL CHECK WITH SATISFACTORY RESULT NO OTHER DEFECTS
- [SDR DXTA2023121210310](https://openairdocs.org/sdr/DXTA2023121210310), Dec 11, 2023: UNKNOWN. UNKNOWN. TOTAL, LT, & RT EICAS INDS UNRELIABLE. TOTAL SHOWED A RAPID 300 LBS INCREASE IN QTY DURING INITIAL LT BANK TURN AFTER TAKEOFF, FOLLOWED BY A RAPID DECREASE IN Q
- [SDR DXTA2023120710265](https://openairdocs.org/sdr/DXTA2023120710265), Dec 7, 2023: WIRE HARNESS. DAMAGED. AFTER PARKING WITH APU RUNNING, TRIED OPENING DOOR. DOOR HANDLE WOULD NOT PULL UP TO OPEN. SHUT APU OFF & POWERED DOWN ACFT, STILL WOULD NOT OPEN. GROUND PERSON
- [SDR 2022F00263](https://openairdocs.org/sdr/2022F00263), Jun 16, 2022: NONE. NONE. RIGHT ENGINE PYLON PANEL (P/N 7412311-4 MISMATCH). ACCOMPLISHED TEXTRON AVIATION LETTER DQ35192M1 DATED JUNE 15, 2022; 680A-0063 (N525QS) RIGHT ENGINE PYLON PAN
- [SDR 2022F00259](https://openairdocs.org/sdr/2022F00259), Jun 16, 2022: NONE. NONE. LEFT ENGINE PYLON SKIN DAMAGE (WAVY). ACCOMPLISHED TEXTRON AVIATION ENGINEERING LETTER DQ35118M1 DATED JUNE 10, 2022; 680A-0063 (N525QS) LEFT ENGINE PYLON SKIN 
- [SDR DXTA2022012655720](https://openairdocs.org/sdr/DXTA2022012655720), Jan 25, 2022: UNKNOWN. ODOR. COCKPIT ODOR: AFTER TAKEOFF WHILE CLIMBING THERE WAS A NOTICEABLE ENVIRONMENTAL ODOR. THE ODOR BECAME MORE INTENSE. NO SMOKE WAS NOTICED DURING THE EVENT. THE O
- [SDR 2022F00037](https://openairdocs.org/sdr/2022F00037), Jan 23, 2022: SCREEN. CRACKED. 2 INCH CRACK IN APU INLET SCREEN. TEXTRON AVIATION ENGINEERING MEMO DQ33270, DATED JANUARY 22, 2022, HAS GRANTED A FLIGHT EXTENSION FOR 100 FLIGHT HOURS OR UNTI
- [SDR 2022F00069](https://openairdocs.org/sdr/2022F00069), Jan 19, 2022: COWL DOOR. NONE. RIGHT ENGINE UPPER COWL DOOR DAMAGE. ACCOMPLISHED TEXTRON AVIATION ENGINEERING REPAIR LETTER DQ33101M1 DATED JANUARY 10, 2022; 680A-0063 (N525QS) RIGHT ENGINE U
- [SDR 2022F00035](https://openairdocs.org/sdr/2022F00035), Jan 15, 2022: COWL DOOR. PUNCTURED. LH ENGINE UPPER COWL DOOR DAMAGE. TEXTRON AVIATION ENGINEERING REPAIR LETTER DQ33099M1 DATED: JANUARY 10, 2022, 680A-0063 (N525QS) LEFT ENGINE UPPER COWL DOOR D
- [SDR 2022F00110](https://openairdocs.org/sdr/2022F00110), Jan 15, 2022: AXLE. CHIPPED. RH MLG AXLE CHIPPED. REPAIR IAW TEXTRON AVIATION ENGINEERING REPAIR LETTER DQ33177 DATED: JANUARY 14, 2022, 680A-0063 N525QS REPAIR RECOMMENDATION.
- [SDR DXTA2021080346270](https://openairdocs.org/sdr/DXTA2021080346270), Aug 2, 2021: PRESSURE SWITCH. DEFECTIVE. T/R ARMED L AMBER CAS: L TR ARMED AMBER CASS MESSAGE IN FLIGHT AT FL 390 WHILE CLIMBING TO FL 430. POWERED AIRCRAFT NOTING NO TR CAS MESSAGES ACTIVE. APPLIED HY
- [SDR 2021F00106](https://openairdocs.org/sdr/2021F00106), May 5, 2021: FITTING. DAMAGED. BAGGAGE DOOR SNUBBER FITTING ATTACH HOLES OVERSIZED. ACCOMPLISHED TEXTRON AVIATION ENGINEERING LETTER DQ29846M1 - DATED APRIL 30, 2021; 680A-0063 (525QS) BAGGAG
- [SDR 2021F00105](https://openairdocs.org/sdr/2021F00105), May 5, 2021: FITTING. DAMAGED. BAGGAGE DOOR SNUBBER FITTING ATTACH HOLES OVERSIZED. ACCOMPLISHED ENGINEERING LETTER DQ29846M1 - DATED APRIL 30, 2021; 680A-0063 (525QS) BAGGAGE DOOR SNUBBER FI
- [SDR 2021F00096](https://openairdocs.org/sdr/2021F00096), May 3, 2021: COVER. CORRODED. REPAIR OF R/H ENGINE ACCESSORY GEARBOX AFT COVER. ACCOMPLISHED PRATT AND WHITNEY DEVIATION LETTER DAA2021-359-PW306D1-CN0124, ACCESSORY GEAR BOX TOUCH UP REPAIR
- [SDR 2020F00295](https://openairdocs.org/sdr/2020F00295), May 27, 2020: FRAME. CRACKED. CRACKS, NWW, DOUBLER, FRAME AND WEB, FS 75. ACCOMPLISHED FIELD REPAIR FR-680A-0063-7977 REV - DATED MAY 21, 2020 AND FAA FORM 8100-9 DATED 5/21/2020; FIELD REPA
- [SDR DXTA2019062802542](https://openairdocs.org/sdr/DXTA2019062802542), Jun 27, 2019: COFFEEMAKER. MALFUNCTIONED. 10 MINUTES AFTER DEPARTURE AND LEVEL AT 13,000' WE NOTICED AN ELECTRICAL BURNING SMELL. NO VISIBLE SMOKE, BUT ENOUGH ODOR TO CLEARLY IDENTIFY AN ISSUE. THE ODOR
- [SDR DXTR2019020601](https://openairdocs.org/sdr/DXTR2019020601), Feb 6, 2019: PCB. FAILED. APU FAILED TO START. REMOVED AND REPLACED APU STARTER/GEN. AS REQUIRED REF. CE-680A MM.M. 80-10-25. REMOVED AND REPLACED APU ECU IAW CE-680A MM 49-60-05-4. INIT
- [SDR DXTA2017041206394](https://openairdocs.org/sdr/DXTA2017041206394), Apr 12, 2017: CONTROL MODULE. MALFUNCTIONED. GEAR DISAGREE LT, RT, AND NOSE, MESSAGE APPEARED WHEN GEAR WAS SELECTED DOWN. RAN QRH AND HAD TO BLOWDOWN GEAR. REMOVED AND REPLACED THE MLG CONTROL MODULE IAW 

## Service difficulty reports on N525QS not matched to an aircraft (3)

They name N525QS, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [SDR DXTA2019062502533](https://openairdocs.org/sdr/DXTA2019062502533), Jun 25, 2015: SEAL. DEFECTIVE. ALL LANDING GEAR RETRACTION DID NOT RETRACT - AFTER LIFTOFF, WOW MISCOMPARE CAS MESSAGE ILLUMINATED AND LANDING GEAR WOULD NOT RETRACT. ""CORRECTIVE ACTION""""F
- [SDR 97ZZZX597](https://openairdocs.org/sdr/97ZZZX597), Jan 10, 1997: LINE. CRACKED. 80 INCH LONG GALLEY DRAIN LINE WAS FOUND CRACKED FROM WATER EXPANSION. THIS LINE RUNS FROM GALLEY ALONG LOWER SIDE PLATES INSIDE CABIN AREA. ATTACH POINTS FOR L
- [SDR 97DXTA088](https://openairdocs.org/sdr/97DXTA088), Nov 5, 1996: DUCT. LEAKING. FLT 68798 - AIRCRAFT WILL NOT PRESSURIZE IN FLIGHT WITH MAIN AIR VALVE, BUT WILL WITH AUX VALVE. FOUND CABIN AIR FLOW DUCT LEAKING. REMOVED AND REPLACED DUCT. (

## 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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