# Service difficulty reports: N599QS, cancelled Dec 15, 2025

A list on [N599QS, cancelled Dec 15, 2025](https://openairdocs.org/deregistered/N599QS-2025-12-15.md).

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

- [SDR DXTA2025032002713](https://openairdocs.org/sdr/DXTA2025032002713.md): Servo Valve · stalled · Mar 16, 2025 · N599QS · Cessna 560XL · Turbine Engine Compressor Section
  > LEFT ENGINE ENGINE COMPRESSOR STALL: UPON REACHING FL410 AND BEGINNING TO REDUCE THRUST FOR CRUISE, WE EXPERIENCED THREE DISTINCT COMPRESSOR STALLS WITH AIRCRAFT YAW AND A NOTICEABLE DROP IN N1 INDICATION ON THE NUMBER ONE ENGINE. CORRECTIVE ACTION; SWAPPED EE
- [SDR DXTA2024121101451](https://openairdocs.org/sdr/DXTA2024121101451.md): Seal · damaged · Dec 9, 2024 · N599QS · Cessna 560XL · Passenger/Crew Doors
  > THE MAIN DOOR PRECATCH DOES NOT OPERATE WHEN TRYING TO RELEASE THE PRECATCH FROM THE OUTSIDE. VERIFIED PRE CATCH PUSH BUTTON DOES NOT RETURN ONCE PRESSED MCC RECOMMENDED REFERENCING THE PRECATCH ADJUST TASK AND VERIFYING FUNCTION AND MOVEMENT. EVERYTHING CHECK
- [SDR 2024FA0000825](https://openairdocs.org/sdr/2024FA0000825.md): Strake · corroded · Nov 9, 2024 · N599QS · Cessna 560XL · Fuselage Miscellaneous Structure
  > CORROSION ON RIGHT STRAKE
- [SDR DXTA2024052411859](https://openairdocs.org/sdr/DXTA2024052411859.md): Motor · stalled · May 24, 2024 · N599QS · Cessna 560XL · Turbine Engine Compressor Section
  > LEFT ENGINE ENGINE COMPRESSOR STALL: AFTER BEING IN CRUZ FOR AN HOUR AND A HALF DURING INITIAL REDUCTION OF THE THRUST LEVERS, THE AIRCRAFT SHUTTERED/THUMPED FROM THE REAR OF THE AIRPLANE LIKE THE BOV STUCK. HEARD NOISE AND FELT A LITTLE KICK IN THE RUTTER PED
- [SDR DXTA2024031411191](https://openairdocs.org/sdr/DXTA2024031411191.md): Duct · separated · Mar 13, 2024 · N599QS · Cessna 560XL · Cabin Pressure Control System
  > PASSING FL310 TO FL340, HEARD A BANG & SAW CABIN ALTITUDE RISE. STARTED EMER DESCENT AS CABIN RISE AT A RATE OF 3,200FT/MIN. ABLE TO DESCEND 10,000FT. NOTICED NO AIRFLOW INTO CABIN DURING DESCENT & AN INCREASING TEMP. AFTER INSP & OPS CHKS, OPENED FORW
- [SDR 3J7R2023011150001](https://openairdocs.org/sdr/3J7R2023011150001.md): Battery Pack · discharged · Nov 15, 2023 · N599QS · Cessna 560XL · Emergency Lighting
  > FORWARD EMERGENCY LIGHTS DO NOT TEST WITH THE MAIN BATTERY TURNED OFF, BUT WORK NORMALLY WITH THE BATTERY TURNED ON. CHARGED THEM FOR 1.5 HOURS WITH NO CHANGE. SUSPECT THE FORWARD BATTERY HAS FAILED
- [SDR DXTA2023070390060](https://openairdocs.org/sdr/DXTA2023070390060.md): Unknown · unknown · Jul 3, 2023 · N599QS · Cessna 560XL · Elevator Control System
  > IN FLT, DESCENDING THRU 32500, HAD A PITCH TRIM RUNAWAY. PERFORMED MEMORY ITEMS FOR RUNAWAY PITCH TRIM, FOLLOWED RUNAWAY PITCH TRIM QRC ITEMS, PULLED LP C16R5 CIRCUIT BREAKER. COMPLIED WITH ELEVATOR TRIM ACT GREASING TO PURGE OLD GREASE FROM ACTS. MOSTURE C
- [SDR DXTA2023032383070](https://openairdocs.org/sdr/DXTA2023032383070.md): Handle · damaged · Mar 22, 2023 · N599QS · Cessna 560XL · Passenger/Crew Doors
  > MAIN DOOR PRECATCH LEVER: PRECATCH WAS STICKING AND PRECATCH HANDLE BROKE. REMOVED MAIN ENTRY DOOR INTERIOR HANDLE STOP. FUEL INTERIOR TRIM DAMAGE INTERIOR PRECATCH HANDLE, SHAFT AND NUTS. INSTALLED NEW HANDLE ASSY, NEW SHAFT AND NEW UNITS. RE-INSTALLED MED D
- [SDR DXTA2022062964950](https://openairdocs.org/sdr/DXTA2022062964950.md): Battery Pack · inoperative · Jun 29, 2022 · N599QS · Cessna 560XL · Emergency Lighting
  > EMERGENCY LIGHTING: ON POSTFLIGHT, OBSERVED CB HT043 POPPED. CONFIRMED FORWARD EMER LIGHTING INOP. "CORRECTIVE ACTION" REMOVED AND REPLACED FWD EMERGENCY BATTERY PACK WITH OVERHAULED UNIT REMOVED PART# 9913-1 S/N 417 AND OPS CHECKED IAW CE560XLS OPS CHECK GOOD
- [SDR EBVR20220419](https://openairdocs.org/sdr/EBVR20220419.md): None · none · Apr 19, 2022 · N599QS · Cessna 560XL · Passenger/Crew Doors
  > REPAIRED CRACKS ON MAIN ENTRY DOOR AFT FRAME IN ACCORDANCE WITH AEROSPACE QUALITY RESEARCH AND DEVELOPMENT MRO ERO-971710 REV IR DATED APRIL 18, 2022 APPROVED BY FAA FORM 8110-3 (DERT-833246-CE) DATED APRIL 18, 2022.
- [SDR DXTA2022021156550](https://openairdocs.org/sdr/DXTA2022021156550.md): Not Reported · not reported · Feb 10, 2022 · N599QS · Cessna 560XL · Emergency Lighting
  > EMERG EXIT SIGN/LIGHT: WITH THE BATTERY SWITCH ON AND EMER LIGHT SWITCH IN THE ARMED POSITION, THE REAR HALF OF THIS PLANE'S EMER LIGHTS REMAIN ILLUMINATED (THEY ARE SUPPOSED TO BE OFF). THE FRONT HALF OF THE PLANE'S EMER LIGHTS ARE OFF.///SIGN-OFF///RESET INE
- [SDR DXTA2018062701118](https://openairdocs.org/sdr/DXTA2018062701118.md): Engine · oil consumption · Jun 25, 2018 · N599QS · Cessna 560XL · Engine (Turbine/Turboprop)
  > CLIMBING THROUGH 7000 FT CREWS EYES STARTED BURNING FOLLOWED BY DEFINITE OIL SMOKE OR MIST. CONTAMINATION CAUSED BURNING IN THROAT, CREW WENT ON O2 AND RETURNED TO LAND. APU WAS SHUT DOWN. OIL CONTAMINATION IS COMING FROM ENGINES AT HIGHER POWER SETTING. R&R
- [SDR DXTA2018062101106](https://openairdocs.org/sdr/DXTA2018062101106.md): Converter · dirty · Jun 20, 2018 · N599QS · Cessna 560XL · Air Distribution System
  > COCKPIT ODOR OIL SMELL. ONE HOUR INTO THE FLIGHT AT 36,000 FT, DISTINCT OIL BURNING SMELL. COPILOT EXPERIENCED PHYSICAL DISCOMFORT. ODOR WAS STRONG IN COCKPIT, NOT SO STRONG IN CABIN. WENT ON OXYGEN REMAINDER OF FLIGHT. CLEANED BOTH OZONE CONVERTORS AND WATER
- [SDR CWQR20160224007](https://openairdocs.org/sdr/CWQR20160224007.md): Hinge Bracket · cracked · Feb 24, 2016 · N599QS · Cessna 560XL · Cargo/Baggage Doors
  > TAIL BAGGAGE DOOR WAS UPGRADED TO SB560XL-52-13, TO PREVENT THE CRACKING OF ATTACH CHANNEL PN 6612069-11S. THIS NEW CRACK WAS FOUND IN HINGE BRACKET PN 6612072-2S, WHICH WAS ADDED IAW SB560XL-52-13 TO CORRECT THE ATTACH CHANNEL FROM CRACKING. SCR 746341 SUBM
- [SDR CWQR20160217006](https://openairdocs.org/sdr/CWQR20160217006.md): Bracket · cracked · Feb 17, 2016 · N599QS · Cessna 560XL · Electronic Shelf Section
  > DURING A SCHEDULED INSPECTION WE FOUND THE AVIONICS SHELF BRACKET, PN 9256023-16, CRACKED MORE THAN HALF ITS LENGTH. REPLACED BRACKET & SENT SCR 745616 TO MFG.
- [SDR DXTA2014041405727](https://openairdocs.org/sdr/DXTA2014041405727.md): Light · shorted · Apr 11, 2014 · N599QS · Cessna 560XL · Passenger Compartment Lighting
  > WHILE OPENING THE CATERING DRAWER THE FWD LED LIGHTING STRIP GOT CAUGHT IN THE DRAWER & PULLED THE LIGHT STRIP PARTIALLY OUT OF THE PROTECTIVE SLEEVE. IT THEN BEGAN SPARKING & SMOKING BEFORE COMPLETELY SHORTING OUT. THE CABIN MASTER SWITCH IN THE COCKPIT IS
- [SDR DXTA2014032005693](https://openairdocs.org/sdr/DXTA2014032005693.md): Circuit Board · failed · Mar 19, 2014 · N599QS · Cessna 560XL · Elevator Control System
  > FIVE MINUTES AFTER TAKEOFF, CLIMBING THROUGH 11000 AT 220KIAS, AUTOPILOT ENGAGED, PITCH TRIM ANNUNCIATOR APPEARED ON THE PF. DISCONNECTING THE AUTOPILOT REVEALED ABOUT 15 LBS OF NOSE UP ELEVATOR CONTROL PRESS REQUIRED TO MAINTAIN LEVEL FLIGHT. NEITHER ELEC
- [SDR DXTA2013061405417](https://openairdocs.org/sdr/DXTA2013061405417.md): Unknown · odor · Jun 13, 2013 · N599QS · Cessna 560XL · Air Distribution System
  > WHILE ON BATTERY POWER AND INTERIOR LIGHTS, DETECTED AN ACRID SMOKE ODOR, CENTERED NEAR COCKPIT INTERIOR LIGHTS FLICKERED BRIEFLY. ODOR EVENTUALLY DISSAPATED, 10 MINUTES.
- [SDR DXTA2013011005241](https://openairdocs.org/sdr/DXTA2013011005241.md): Apu · failed · Jan 9, 2013 · N599QS · Cessna 560XL · Airborne Auxiliary Power Unit (APU) System
  > WITH APU ON AND BLEED AIR FOR APROX 10 MINUTES, COCKPIT FILLED WITH SMOKE, SMOKE STARTED IN THE COCKPIT AND MOVED BACK INTO THE CABIN. ALL THIS HAPPENED ON THE GROUND WITH MAIN CABIN DOOR OPEN. R & R THE APU IAW MM 49-10-00. OPS AND LEAK CHECKS GOOD.
- [SDR DXTA2012040204937](https://openairdocs.org/sdr/DXTA2012040204937.md): Uplock Switch · inoperative · Mar 30, 2012 · N599QS · Cessna 560XL · Landing Gear Retraction/Extension System
  > DURING TAKEOFF, WITHIN 2 SECONDS OF SELECTING THE GEAR LEVER UP, HEARD A LOUD "THUMP". ALL THE GEAR GREEN LIGHTS EXTINGUISHED AND THE RED UNLOCK ANNUNCIATOR REMAINED ILLUMINATED. RAN EGINES INDEPENDENTLY APPLYING HYDRAULIC LOADS. DID NOT OBSERVE A "LOW HYD
- [SDR DXTA2011091904728](https://openairdocs.org/sdr/DXTA2011091904728.md): Display · failed · Sep 18, 2011 · N599QS · Cessna 560XL · Attitude and Direction Data System
  > ATTITUDE AND HEADING ON PFD NR 1 AND HEADING ON MFD FAILED ENROUTE. R & R NR 1 AHRU IAW AMM 34-21-01. OPS CHECKED GOOD.
- [SDR DXTA2011080804693](https://openairdocs.org/sdr/DXTA2011080804693.md): Unknown · unknown · Aug 8, 2011 · N599QS · Cessna 560XL · Standard Practices/Structures
  > AFTER TAKEOFF, WHILE CYCLING LANDING GEAR UP, A LOUD BANG AND THUD HEARD. FLAPS & ALL ENGINES OPS NORMAL. PERFORMED LANDING GEAR HYD FUNCTIONAL TEST. NO DEFECTS NOTED. OPS CHECKED NORMAL. WORK PERFORMED IAW MM 32-01-00.
- [SDR DXTA200803155](https://openairdocs.org/sdr/DXTA200803155.md): Indicator · incorrect · Jun 30, 2008 · N599QS · Cessna 560CESSNA · Stabilizer Position Indicating
  > DURING CRUISE FLIGHT WE OBSERVED THAT THE TRIM INDICATOR WAS CLOSE TO THE FULL FWD LIMITS ON THE WHITE TAPE. ON APPROACH WE SLOWED TO 190KTS AND WITH THE A/P ENGAGED SELECTED FLAPS 7 DEG. TRIM INDICATOR MOVED FWD BEYOND THE WHITE TAPE ALL THE WAY TO IT'S FWD L

## 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 = 'N599QS' AND deregistration_id = 'N599QS-2025-12-15'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/deregistered/N599QS-2025-12-15/reports

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