# N677QS: 2021 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: 680A0277 - Year built: 2021 - Type: Fixed wing multi engine - Engine type: Turbo-fan - Airworthiness: Standard, transport - Airworthiness date: August 4, 2021 - Certificate issued: September 25, 2026 - Expires: September 30, 2033 - Mode S code: A8F728 - Owner type: Co-owned, fractional ownership - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=677QS - Page: https://openairdocs.org/aircraft/N677QS 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 N677QS. ## FAA accident and incident reports None matched to N677QS. ## Service difficulty reports (8) 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 DXTR2026090306](https://openairdocs.org/sdr/DXTR2026090306), Sep 3, 2026: TURBINE BLADES. CRACKED. SECOND STAGE TURBINE BLADES FAILED BORESCOPE INSP DUE TO CRACKS OUT OF LIMITS IAW EMM 72-00-00. R & R ENGINE IAW AMM 72-00-05, OPS CHKD GOOD. - [SDR DXTA2025092905074](https://openairdocs.org/sdr/DXTA2025092905074), Sep 24, 2025: UPLOCK SWITCH. FAULTED. AFTER LOWERING THE GEAR FOR LANDING, WE GOT A GEAR DISAGREE RIGHT ANNUNCIATOR ON THE RIGHT GEAR ,WE ABORTED THE APPROACH AND CLIMBED TO A SAFE ALTITUDE..WE DID - [SDR DXTA2025032402774](https://openairdocs.org/sdr/DXTA2025032402774), Mar 21, 2025: CONTROL UNIT. DEFECTIVE. STAB TRIM MONITOR WARNING: RECIVED STAB TRIM MONITOR CAS MESSAGE IN FLIGHT. RAN CHECKLIST. POWERED DOWN AFTER LANDING. CAS MESSAGE REMAINED AFTER POWERING BACK - [SDR DXTA2024011510606](https://openairdocs.org/sdr/DXTA2024011510606), Jan 13, 2024: UNKNOWN. UNKNOWN. COLD DARK COCKPIT, PLACING EMER LTS SWITCH TO ARM, AND NONE OF THE REQUIRED LIGHTS COME ON. UNABLE TO DUPLICATE DISCREPANCY. PERFORMED EMERGENCY LIGHTING OPERAT - [SDR DXTA2023112710139](https://openairdocs.org/sdr/DXTA2023112710139), Nov 24, 2023: UNKNOWN. UNKNOWN. EMERGENCY LIGHTING: ENTIRE EMER LTS SYSTEM INOP. C/W TC-FLT-33-1001 TO RECHARGE EMERGENCY BATTERIES. IAW C680A AMM 33-50-00. OPS CHECK GOOD. - [SDR DXTA2023100997370](https://openairdocs.org/sdr/DXTA2023100997370), Oct 6, 2023: WIRE HARNESS. DEFECTIVE. AFTER PLACING MLG DOWN, RECEIVED WOW CAS. FOLLOWED BY MLG DISAGREE L R N CAS MESSAGE. DID A GO AROUND, CAS MESSAGES STAYED. MLG STAYED DOWN WITH GEAR HANDLE UP. - [SDR DXTA2022050461250](https://openairdocs.org/sdr/DXTA2022050461250), May 4, 2022: DISK. LEAKING. LEFT MLG BRAKE: HYDRAULIC LEAK LEFT MAIN BRAKE. IN FLIGHT ON APPROACH TO CLT , AFTER GEAR WAS SELECTED DOWN, HYD VOLUME LOW CAS APPEARED. FOLLOWED THE CHECKLIST - [SDR DXTA2022021456670](https://openairdocs.org/sdr/DXTA2022021456670), Feb 13, 2022: NOT REPORTED. NOT REPORTED. CABIN DOOR OPEN AMBER CAS: CABIN DOOR OPEN AMBER CAS REMAINS ILLUMINATED AFTER DOOR IS CLOSED. COMPLETES CABIN DOOR OPEN QRH. DURING STEP 4 CHECK HANDLE/PUSH TO ## Service difficulty reports on N677QS not matched to an aircraft (15) They name N677QS, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft. - [SDR DXTA2018091401427](https://openairdocs.org/sdr/DXTA2018091401427), Sep 13, 2018: CONVERTER. DEFECTIVE. AFTER TAKEOFF CLIMBING THROUGH 10000' WE SHUT DOWN THE APU AND IMMEDIATELY SMELLED A VERY STRONG ODOR OF BURNING OIL OR SOME OTHER CHEMICAL. THE APU RAN FOR ABO - [SDR DXTA2018090701390](https://openairdocs.org/sdr/DXTA2018090701390), Sep 6, 2018: APU. MALFUNCTIONED. DURING PRE DEPARTURE CHECKS AND JUST PRIOR TO STARTING ENGINES, HARMONIC SOUND WAS COMING FROM APU. (WINDY COOL DAY AT KSFO). WHILE COMPLETING BEFORE 'ENGINE ST - [SDR DXTA2018081701311](https://openairdocs.org/sdr/DXTA2018081701311), Aug 17, 2018: COALESCER BAG. DIRTY. WHILE RUNNING APU WITH THE BLEED AIR OFF, DURING HEAVY RAIN THE CABIN FILLED WITH SMOKE WITH THE ODOR OF OIL. FOUND THE COALESCER SOCK DIRTY. REMOVED AND REPLAC - [SDR DXTA2016061406256](https://openairdocs.org/sdr/DXTA2016061406256), Jun 14, 2016: BRAKE SYS. CONTAMINATED. ON TAXI OUT, THE BRAKE PEDALS TRAVEL APPROXIMATELY 3 QUARTERS OF THE WAY BEFORE THE BRAKES CATCH. AFTER PUMPING THE BRAKES THE BRAKES WILL CATCH APPROXIMATELY 1 - [SDR CWQR20160311012](https://openairdocs.org/sdr/CWQR20160311012), Mar 11, 2016: STRINGER. CRACKED. DURING A SCHEDULED INSPECTION WE FOUND STRINGER 15L, CRACKED IN THE TAIL CONE SECTION OF THE ACFT. THE CRACK WAS AT THE AFT EDGE OF THE STRINGER WHERE THE BULB - [SDR DXTA2011110904779](https://openairdocs.org/sdr/DXTA2011110904779), Nov 8, 2011: ACTUATOR. BINDING. THE AP PITCH MISTRIM ILLUMINATED AT FL410. AFTER THE AUTO PILOT WAS DISENGAGED, DISCOVERED THE ELEVATOR PITCH TRIM WAS JAMMED AND COULD NOT BE MOVED ELECTRICALL - [SDR DXTA200803063](https://openairdocs.org/sdr/DXTA200803063), May 16, 2008: BRACKET. BENT. AFTER TAKEOFF AND GEAR RETRACTION, RED, GEAR UNLOCK LIGHT REMAINED ILLUMINATED. FOUND NOSE UPLOCK CATCH ROD BRACKETS BENT. REMOVED OLD BRACKETS AND INSTALLED NE - [SDR DXTA200803048](https://openairdocs.org/sdr/DXTA200803048), May 7, 2008: CONTROL CABLE. OUT OF RIG. AFTER TAKEOFF AND GEAR RETRACTION RED GEAR UNLOCK LIGHT REMAINED ILLUMINATED. JACKED AIRCRAFT. WITH PORTABLE MULE, UNABLE TO DUPLICATE DISCREPENCY. OPS AND RIG - [SDR CWQR200802](https://openairdocs.org/sdr/CWQR200802), Apr 17, 2008: SUPPORT BRACKET. CRACKED. DURING A PHASE 1-4 INSPECTION FOUND A CRACKED ECU SUPPORT BRACKET. THE CRACK STARTED AT THE EDGE OF THE BRACKET AND EXTENDED 2.25 INCH. AND WAS ALMOST TO A RIVE - [SDR DXTA200802864](https://openairdocs.org/sdr/DXTA200802864), Feb 10, 2008: ENGINE. SHUTDOWN. LT ENGINE QUIT SHORTLY AFTER TAKEOFF. FIRST NOTICED EEC MANUAL ANNUNCIATOR, FOLLOWED BY (DASHES) ON LT FUEL FLOW INDICATOR. ENG WAS ROTATING FREELY & LT BOOST P - [SDR DXTA200702268](https://openairdocs.org/sdr/DXTA200702268), Jun 16, 2007: UNKNOWN. SMOKE. GROUND CONTROLLERS REPORTED SMOKE FROM RT SIDE OF AIRPLANE. UPON APU SHUTDOWN, SMOKE WAS OBSERVED COMING FROM APU INTAKE AND EXHAUST. BOTH RED AND YELLOW APU OI - [SDR DXTA200601827](https://openairdocs.org/sdr/DXTA200601827), Dec 29, 2006: BULB. BURNED OUT. AFTER SELECTING GEAR DOWN RIGHT ANNUNICATOR FAILED TO ILLUMINATE. COMPLIED WITH LANDING GEAR WILL NOT EXTEND CHECKLIST. LOW HYD FLOW RT ANNUNICATOR THEN CAME ON - [SDR DXTA200501046](https://openairdocs.org/sdr/DXTA200501046), Nov 1, 2005: LINE. CONTAMINATED. ON CAPTAIN`S SIDE, RIGHT BRAKE FADES WHEN PRESSURE APPLIED DURING TAXI OR TURNING. BLED BRAKE SYSTEM PER CE560XL MM 32-42-00. TAXI CHECK WAS GOOD. - [SDR DXTA200501004](https://openairdocs.org/sdr/DXTA200501004), Oct 5, 2005: LINE. LEAKING. RIGHT BRAKE PEDAL LOOSES PRESSURE DURING BRAKING. BLED LT & RT BRAKE SYSTEM & PERFORMED SYSTEM PRESSURE CHECKS IAW CHAPT 32-43-00 CESSNA 560XL MM. ALL CHECKS GO - [SDR DXTA200400338](https://openairdocs.org/sdr/DXTA200400338), Jul 15, 2004: INDICATOR. FAILED. ON TAKEOFF ROLL THE LEFT ITT IND FAILED MESSAGE CAME ON, ABORTED TAKEOFF. VERIFIED INDICATOR FAILED. REMOVED FAILED INDICATOR AND REPLACED WITH AN INSPECTED IND ## 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.