# Service difficulty reports: N396QS

A list on [N396QS](https://openairdocs.org/aircraft/N396QS.md).

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first.

- [SDR DXTA2026100509970](https://openairdocs.org/sdr/DXTA2026100509970.md): Pcb · faulted · Sep 30, 2026 · N396QS · Cessna 680SOV · Landing Gear System Wiring
  > DURING DECENT THROUGH FL350 RT MAIN DOWN & LOCKED INDICATOR ILLUMINATED. UNLOCK INDICATOR REMAINED EXTINGUISHED. DESCENDING THROUGH 8000 FT RT MAIN INDICATOR EXTINGUISHED. GEAR EXTENDED NORMAL ON APPROACH. LIFTED ACFT, SWUNG GEARS, NO DEFECTS NOTED. RT
- [SDR DXTA2026061808460](https://openairdocs.org/sdr/DXTA2026061808460.md): Apu · malfunctioned · Jun 15, 2026 · N396QS · Cessna 680SOV · Air Distribution System
  > REPEAT WRITE UP. DURING FLT AT CRUISE, THERE IS A BURNING OIL ODOR IN THE CABIN. CABIN WILL NOT COOL DOWN CABIN REMAINED OVER 90 DEGREES WITH ACFT RUNNING ON MAX COOL FOR OVER AN HOUR ALL THE WAY INTO THE FLT LEVELS. COMPLIED WITH OPS REQUIREMENTS OF THE ME
- [SDR DXTA2026012806656](https://openairdocs.org/sdr/DXTA2026012806656.md): Packing · failed · Jan 24, 2026 · N396QS · Cessna 680SOV · Nose/Tail Landing Gear Strut/Axle
  > WHILE IN LEVEL FLIGHT AT FL 400, A THUD WAS HEARD AND FELT AND THE RED GEAR UNLOCK LIGHT ILLUMINATED. DESCENDING OUT OF FL260, ANOTHER THUD WAS HEARD AND THE UNLOCK LIGHT EXTINGUISHED. THE NOISE SOUNDS LIKE IT CAME FROM THE NOSE GEAR. REPEAT WRITE-UP. REPACKE
- [SDR DXTA2026012306620](https://openairdocs.org/sdr/DXTA2026012306620.md): Uplock Switch · faulty · Jan 21, 2026 · N396QS · Cessna 680SOV · Landing Gear Retraction/Extension System
  > ABOUT 10 MINUTES IN TO CRUSE AT FL410 WE FELT A SMALL THUMP AND THE GEAR UNLOCK LIGHT CAME ON. IT REMAINED ON ALL THROUGH CRUSE. WHILE AT CRUSE FELT LIGHT FLUTTER IN RUDDER PEDALS. IN THE DESCET WHILE DESCENDING THROUGH FL280 WE FELT ANOTHER THUMP AND THE UNLO
- [SDR JGVR20260111001](https://openairdocs.org/sdr/JGVR20260111001.md): Hinge Bracket · corroded · Jan 11, 2026 · N396QS · Cessna 680CE · Ventral Structure
  > REMOVED THE VERTICAL STABILIZER UPPER RUDDER HINGE LOWER BRACKET DUE TO CORROSION AND REPLACED WITH NEW TEXTRON P/N 6931050-59.
- [SDR DXTA2025120805991](https://openairdocs.org/sdr/DXTA2025120805991.md): Battery Pack · faulted · Dec 5, 2025 · N396QS · Cessna 680SOV · Emergency Lighting
  > NO EMERGENCY LIGHTS TEST WHEN THE EMER LIGHT SWITCH IS TURNED TO ON. REMOVED AND REPLACED ALL FOUR EMERGENCY LIGHTING BATTERY PACKS IAW MM 33-50-10.OPS CHECK GOOD IAW MM 33-50-00 NR 1 BATTERY PACK: NR 2 BATTERY PACK. NR 3 BATTERY PACK, NR 4 BATTERY PACK.
- [SDR DXTA2025120505967](https://openairdocs.org/sdr/DXTA2025120505967.md): Light · inoperative · Dec 4, 2025 · N396QS · Cessna 680SOV · Emergency Lighting
  > FORWARD EMERGENCY OVERWING LIGHT INOP WHEN CHECKING EMER LIGHTS ON THE GROUND. CORRECTIVE ACTION: REMOVED AND REPLACED FWD EMERGENCY OVWING LIGHT ASSY IAW MM 33-50-00. OPS CHECK GOOD.
- [SDR 2025F00174](https://openairdocs.org/sdr/2025F00174.md): Spar · corroded · Aug 6, 2025 · N396QS · Cessna 680A · Wing Spar
  > RH WING AFT SPAR HAS 1 AREA OF CORROSION AROUND HI-LOK ON LOWER CLIP BEHIND PANEL 720DR. MECHANICALLY REMOVED CORROSION FROM RH WING AFT SPAR. FOUND CORROSION BLENDS TO BE BEYOND LIMITS IAW C680 SRM 51-70-02 EXCEEDING.002" OF MATERIAL REMOVED FROM NOMINAL THI
- [SDR 2025F00173](https://openairdocs.org/sdr/2025F00173.md): Spar Web · corroded · Aug 6, 2025 · N396QS · Cessna 680A · Wing Spar
  > RH WING AFT SPAR HAS 2 AREAS OF CORROSION ON FWD FACE BEHIND PANEL 720DR. MECHANICALLY REMOVED CORROSION FROM RH WING AFT SPAR WEB. FOUND CORROSION BLENDS TO BE BEYOND LIMITS IAW C680 SRM 51-70-02 EXCEEDING.002" OF MATERIAL REMOVED FROM NOMINAL THICKNESS. SUB
- [SDR DXTA2025062604017](https://openairdocs.org/sdr/DXTA2025062604017.md): Cover Panel · damaged · Jun 23, 2025 · N396QS · Cessna 680SOV · Passenger/Crew Doors
  > COVER PANEL HAS COME APART AND IS CATCHING IN THE MED WHEN WE TRY TO CLOSE. REPLACED THE FOLLOWING HARDWARE AND BOOT AS FOLLOWS: 4419089-11 BOOT ASSEMBLY - FORWARD, MS24694-C61 SCUFF PLATE SCREW AND MS35206-230 FORWARD COVER PANEL SCREWS. ALL WORK WAS ACCOMPL
- [SDR 2024FA0000837](https://openairdocs.org/sdr/2024FA0000837.md): Mount · corroded · Nov 13, 2024 · N396QS · Cessna 680CE · Passenger/Crew Doors
  > MECHANICALLY BLENDED 1 AREA PLUS 1 ADDITIONAL AREA OF CORROSION ON CABIN DOOR TOP STEP MOUNTING STRUCTURE, 1 AREA OF CORROSION ON CABIN DOOR UPPER, AFT SECTION ON INTERIOR OF DOOR AND 1 AREA OF CORROSION ON SPADE DOOR LOWER, MIDDLE SECTION NEAR HINGE, PERFORME
- [SDR 2024FA0000832](https://openairdocs.org/sdr/2024FA0000832.md): Spar · corroded · Nov 12, 2024 · N396QS · Cessna 680CE · Vertical Stabilizer, Spar/Rib
  > REPAIRED 2 AREAS OF CORROSION ON VERTICAL STAB AFT SPAR AFT FACE ON LH AND RH SPAR CLIPS, LH SIDE APX 15" BELOW MIDDLE RUDDER HINGE AND RH SIDE, APX 10" BELOW LOWER RUDDER HINGE, PERFORMED NDT AND REPORTED FOR REPAIR DISPOSITION. REPAIRED CORROSION BLENDS PER
- [SDR 2024FA0000831](https://openairdocs.org/sdr/2024FA0000831.md): Spar · corroded · Nov 12, 2024 · N396QS · Cessna 680CE · Wing Spar
  > REPAIRED 5 CORRODED AREAS ON THE FWD AFT SPAR FACE INBOARD OF WS 37.00, 1 AREA INSIDE BAY 720DR UPPER SPAR CLIP, INBOARD CORNER AND 2 ADDITIONAL AREAS ON WING AFT SPAR LOWER SPAR CLIP INSIDE RH GEARWELL, PERFORMED NDT AND REPORTED FOR REPAIR DISPOSITION. REPAI
- [SDR DXTA2024061012012](https://openairdocs.org/sdr/DXTA2024061012012.md): Duct · detached · Jun 9, 2024 · N396QS · Cessna 680CE · Air Distribution System
  > LOSS OF CABIN PRESSURE AT 16,000¿ AND CABIN ALTITUDE AMBER CAS MESSAGE. AFTER DEPARTING FROM NASSAU TO MIAMI AT APPROXIMATELY 16,000 FEET, WE HEARD A LOUD BANG IN THE AIRPLANE FOLLOWED BY A LOSS OF CABIN PRESSURE SLOWLY RISING AT 500 FOOT A MINUTE AND WE STOP
- [SDR DXTA2023112710137](https://openairdocs.org/sdr/DXTA2023112710137.md): Battery · defective · Nov 23, 2023 · N396QS · Cessna 680CE · Emergency Lighting
  > CABIN EMERG LIGHT: EMERGENCY LIGHT IN THE CABIN BETWEEN SEATS 3 AND 5 IS INOPERATIVE, AND THE LEFT FORWARD STEP EVACUATION PATH LIGHT IN INOPERATIVE.////SIGN-OFF REMOVED EMERGENCY LIGHTING BATTERY PACK #2 AND INSTALLED CUSTOMER SUPPLIED BATTERY PACK IS SAME L
- [SDR JGVR2023112203](https://openairdocs.org/sdr/JGVR2023112203.md): Unknown · unknown · Nov 22, 2023 · N396QS · Cessna 680SOV · Rudder Structure
  > REPLACED THE RUDDER FAIRING LH AND RH ATTACHMENT ANGLES FROM THE UPPER TAIL CONE STINGER, DUE TO LEVEL 2 CORROSION. P/N: 6912630-67, AND 6912630-68
- [SDR JGVR2023112202](https://openairdocs.org/sdr/JGVR2023112202.md): Unknown · unknown · Nov 22, 2023 · N396QS · Cessna 680SOV · Rudder Structure
  > REPLACEMENT OF RUDDER MIDDLE ATTACHMENT UPPER PORTION HINGE BRACKET DUE TO LEVEL 3 CORROSION LOCATED WHERE BOND JUMPER IS ATTACHED. 6931050-60 (2EA), 6931050-60S (1 EA)
- [SDR JGVR2023112201](https://openairdocs.org/sdr/JGVR2023112201.md): Deflector · corroded · Nov 22, 2023 · N396QS · Cessna 680SOV · Engine Air Intake System
  > APU STARTER INLET DEFLECTOR HAS NUMEROUS AREAS OF CORROSION. REMOVED CORRODED APU GENERATOR INLET DEFLECTOR AND INSTALLED NEW P/N: 6950610-7
- [SDR JGVR20231106001](https://openairdocs.org/sdr/JGVR20231106001.md): Unknown · unknown · Nov 6, 2023 · N396QS · Cessna 680CE · Emergency Exits
  > MECHANICALLY BLENDED CORRODED AREA ON THE OUTER SKIN OF THE EMERGENCY EXIT DOOR NEAR THE FORWARD UPPER CORNER, PERFORMED NDT AND REPORTED RESULTS FOR REPAIR DISPOSITION. REPAIRED BLENDED AREA BY CLEANING, TREATING, PRIMING AND TOP COATING IN ACCORDANCE WITH TE
- [SDR DXTA2023091195180](https://openairdocs.org/sdr/DXTA2023091195180.md): Control Unit · malfunctioned · Sep 11, 2023 · N396QS · Cessna 680CE · Flight Control System
  > AFTER TAKEOFF AND AT FRA CALL THE SIC TOLD THE AIRCRAFT WOULD NOT TRIM AND BE WAS HAVING TROUBLE KEEPING THE NOSE DOWN. RAN THE PRIMARY STAB TRIM INOP CHECKLIST. COULDN'T GET SECONDARY STAB TRIM TO WORK EITHER. REMOVED FAULTY ACTUATOR CONTROL UNIT. INSTALLED
- [SDR DXTA2023090594640](https://openairdocs.org/sdr/DXTA2023090594640.md): Light · defective · Sep 4, 2023 · N396QS · Cessna 680CE · Emergency Lighting
  > POST-FLIGHT - EMERGENCY LIGHTS ARE NOT FUNCTIONING PROPERLY. WITH THE APU RUNNING AND THE EMER LTS SWITCH IN ¿ON¿ (PAX SAFETY - ON OR OFF), NONE OF THE INTERIOR OR EXTERIOR LIGHTS ILLUMINATE. WITH THE EMER LTS SWITCH IN ¿ARM¿ AND THE PAX SAFETY SWITCH ON, MO
- [SDR DXTA2022080867570](https://openairdocs.org/sdr/DXTA2022080867570.md): Pitot System · blocked · Aug 8, 2022 · N396QS · Cessna 680SOV · Pitot/Static System
  > NOTED THE TWO PRIMARY ALTIMETERS DIFFER BUT NOT OUT OF LIMITS, AT FL320, DIFFERENCE 90 FT, OUT OF COMPLIANCE, WITH RT ALTIMETER READING HIGHER THAN LT. ON GROUND AFTER FLT, STILL DIFFERED BY ABOUT 25 FT. PURGED THE PILOT/STATIC SYSTEMS IAW MM 34-11-00. FOUND
- [SDR EBVR20200828001](https://openairdocs.org/sdr/EBVR20200828001.md): Structure · corroded · Aug 28, 2020 · N396QS · Cessna 680A · Fuselage Main, Structure
  > DURING CABIN INTERNAL ZONAL INSPECTION FOUND SEVERAL SPOTS OF CORROSION ON STRUCTURE UNDER THE CENTER DROP AISLE PANELS. COMPLY WITH FLOOR REPAIRS PER AQRD ERO. FABRICATED AND INSTALLED -001 DOUBLER, -002 DOUBLER, -003 SHIM, AND FORWARD WEB AT F.S. 157 IAW A
- [SDR EBVR20191112002](https://openairdocs.org/sdr/EBVR20191112002.md): Skin · corroded · Nov 12, 2019 · N396QS · Cessna 680SOV · Aerodynamic Fairings
  > CORROSION ON THE L/H AND R/H FUSELAGE AT THE EDGE OF THE AFT FAIRING.PERFORMED TAILCONE SECTION SKIN CORROSION REPAIR ON AFT FUSELAGE LH AND RH SKIN UNDER AFT FUSELAGE FAIRING. FABRICATED AND INSTALLED 4 DOUBLERS TO BLENDED AREAS USING.032" 2024T3 ALUMINUM AL
- [SDR EBVR20191112001](https://openairdocs.org/sdr/EBVR20191112001.md): Skin · corroded · Nov 12, 2019 · N396QS · Cessna 680SOV · Wing, Plate/Skin
  > CORROSION ON THE LH/RH WING UPPER SKIN ALONG EDGE OF WING TO FUSELAGE CARBON FAIRING.BLENDED AND REMOVED ALL VISIBLE SIGNS OF CORROSION ON LH I/B WING SKINS. REFER TO SUB 2 FOR NDT DETAILS. THE BLENDED AREAS WERE OUT OF LIMITS PER CESSNA 680 SRM 51-10-01. BLEN
- [SDR JGVR20190719002](https://openairdocs.org/sdr/JGVR20190719002.md): Skin · corroded · Jul 19, 2019 · N396QS · Cessna 680SOV · Fuselage Main, Plate/Skin
  > FOUND BUBBLING PAINT ON SKIN JUST OTBD OF RT NOSE CHIN FAIRING DURING TASK 53-10-00-2102. REPAIRED CORROSION ON RT FUSELAGE NOSE SKIN UNDERNEATH THE RT FWD FUSELAGE FAIRING(AFT OF FS 125 AND FS 136.20) IN ACCORDANCE WITH QRD ERO-959629 REV. IR, "LT/RT FORWARD
- [SDR JGVR20190719001](https://openairdocs.org/sdr/JGVR20190719001.md): Skin · corroded · Jul 19, 2019 · N396QS · Cessna 680SOV · Fuselage Main, Plate/Skin
  > FOUND SUSPECTED LEVEL 1 CORROSION ON SKIN SURFACE JUST OTBD OF LT NOSE CHIN FAIRING DURING NLG AND NLG ACTUATOR HOUSING INSPECTION 53-10-00-2102. SUSPECT CORROSION FOUND TO EXTEND BENEATH FAIRING. REPAIRED CORROSION ON LH FUSELAGE NOSE SKIN UNDERNEATH THE LT F
- [SDR JGVR20190712001](https://openairdocs.org/sdr/JGVR20190712001.md): Rib · corroded · Jul 12, 2019 · N396QS · Cessna 680A · Wing, Rib/Bulkhead
  > FOUND LEVEL 1 CORROSION IN THE LT WHEEL WELL CENTER SPAR #2 RIB DURING THE MLG CORROSION ZONAL INSPECTION. BLENDED CORROSION IN LT WHEEL WELL ON CENTER SPAR #2 RIB. FOUND CORROSION TO BE BEYOND CORROSION LIMITATIONS IAW SRM 51-70-02. REPAIRED CORROSION PER ENG
- [SDR 2017F00068](https://openairdocs.org/sdr/2017F00068.md): Spar · corroded · Mar 8, 2017 · N396QS · Cessna 680CE · Wing Spar
  > WING AFT SPARS AND INBOARD RIBS FITTING CORROSION.
- [SDR DXTA201311045559](https://openairdocs.org/sdr/DXTA201311045559.md): Spar Cap · corroded · Oct 24, 2013 · N396QS · Cessna 680CE · Wing Spar
  > REAR SPAR LOWER CAP CORRODED. REPAIRED IAW S-680-0240/02RD.
- [SDR DXTA2013071605447](https://openairdocs.org/sdr/DXTA2013071605447.md): Cooling Turbine · failed · Jul 15, 2013 · N396QS · Cessna 680CE · Cabin Cooling System
  > WITH THE LT ENGINE AND THE APU RUNNING, AFTER RT ENGINE START, HOT AIR WAS BLOWING OUT OF THE VENTS WITH THE TEMPERATURE CONTROLLER ON FULL COLD. STARTED TO GET SMOKE IN THE CABIN ON TAXI OUT. R & R AIR CONDITIONING PACK COOLING TURBINE. LEAK AND OPS CHECKED
- [SDR CWQR20130220010](https://openairdocs.org/sdr/CWQR20130220010.md): Heat Exchanger · cracked · Feb 20, 2013 · N396QS · Cessna 680CE · Pneumatic Distribution System
  > DURING A SCHEDULED PRODUCT IMPROVEMENT (REPLACED DUCT ASSY 6914070-67) NOTICED THE LT HEAT EXCHANGER SIDE PLATE HAD A.35 INCH LONG CRACK AND THE OPPOSITE SIDE WAS CRACKED IN TWO PLACES. PREFORMED A LEAK CHECK OF THE HEAT EXCHANGER AND FOUND LEAKS NOT ONLY
- [SDR CWQR20130220009](https://openairdocs.org/sdr/CWQR20130220009.md): Heat Exchanger · cracked · Feb 20, 2013 · N396QS · Cessna 680CE · Pneumatic Distribution System
  > DURING A SCHEDULED PRODUCT IMPROVEMENT (REPLACED DUCT ASSY 6914070-67) NOTICED THE HEAT EXCHANGER SIDE PLATE HAD A.35 INCH LONG CRACK AND THE OPPOSITE SIDE WAS CRACKED IN TWO PLACES. PREFORMED A LEAK CHECK OF THE HEAT EXCHANGER AND FOUND LEAKS NOT ONLY FROM
- [SDR DXTA2012101505148](https://openairdocs.org/sdr/DXTA2012101505148.md): Steering Unit · unserviceable · Oct 14, 2012 · N396QS · Cessna 680CE · Landing Gear Steering System
  > NOSE GEAR WOULD NOT RETRACT AFTER TAKEOFF. LANDING GEAR HANDLE SELECTED OVER THE GATE AND INTO UP POSITION. THE GREEN MAIN GEAR INDICATOR LIGHTS EXTINGUISHED. THE GREEN NOSE GEAR INDICATOR LIGHT REMAIN ILLUMINATED. JACKED ACFT AND ATTEMPTED GEAR SWING FOUND
- [SDR DXTA2012091805126](https://openairdocs.org/sdr/DXTA2012091805126.md): Frame · corroded · Sep 16, 2012 · N396QS · Cessna 680CE · Passenger/Crew Doors
  > CABIN DOOR FRAME HAS EXSTENSIVE CORROSION AROUND FORWARD SHEAR TIE. DAMAGE DEPTH MEASURES.036. REMOVED CABIN DOOR IAW MM 52-10-00. REMOVED FWD CABIN DOOR FRAME. REMOVED LATCH ARMS (FWD). INSTALLED NEW CABIN DOOR FWD FRAME IAW SRM 51-40-03. INSTALLED FWD L
- [SDR DXTA2012070905043](https://openairdocs.org/sdr/DXTA2012070905043.md): Latch · loose · Jul 8, 2012 · N396QS · Cessna 680CE · Electrical/Electronic Compartment Doors
  > NOSE DOOR OPEN - RT AMBER CAS MESSAGE DISPLAYED, REAR LATCH IS LOOSE WHEN COMPARED TO FORWARD LATCHING MECHANISM. PERFORMED VISUAL INSPECTION OF RT NOSE AVIONICS DOOR LATCHES FOR WEAR. NO DEFECTS NOTED. ADJUSTED AFT LATCH ONE TURN. OPS CHECKED LATCH OPERATI
- [SDR DXTA200802994](https://openairdocs.org/sdr/DXTA200802994.md): Brake Assy · weak · Apr 13, 2008 · N396QS · Cessna 560CESSNA · Landing Gear Brake System
  > BOTH COPILOTS BRAKE PEDALS GO ALMOST TO THE FLOOR. VERIFIED NO LEAKAGE UNDER PEDALS IN COCKPIT. BLED BRAKES PER CESSNA MODEL 560 MM 32-42-00. OPERATIONAL CHECKED GOOD.

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
WHERE n_number = 'N396QS' AND registry_match = 'registration'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/aircraft/N396QS/reports

---
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.