# Service difficulty reports: N648QS, cancelled Jan 23, 2026

A list on [N648QS, cancelled Jan 23, 2026](https://openairdocs.org/deregistered/N648QS-2026-01-23.md).

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

- [SDR DXTA2025031902720](https://openairdocs.org/sdr/DXTA2025031902720.md): Battery Pack · defective · Mar 16, 2025 · N648QS · Cessna 560XL · Emergency Lighting
  > FORWARD HALF OF EMERG LIGHTS/FWD EMER BATT (3 MED EXIT SIGNS, 2 FWD OVERHEAD LIGHTS @ SEATS 3&10, FWD AISLE STRIP LIGHT) REMAIN ON WHEN THE EMER LIGHT SWITCH IS IN ARM POSITION WITH MAIN 28V DC, & PASSENGER SAFETY SWITCH OFF. LIGHTS STILL EXTINGUISH WHEN EMER
- [SDR DXTA2025031402651](https://openairdocs.org/sdr/DXTA2025031402651.md): Battery Pack · inoperative · Mar 12, 2025 · N648QS · Cessna 560XL · Emergency Lighting
  > MAIN EXIT SIGN/LIGHT: FWD EMERGENCY LIGHT BATTERY PACK INOP. FWD MAIN CABIN DOOR EMER LIGHT AND FWD FLOOR EMER LIGHTS INOP DURING TEST. REPLACED BATTERY PACK. OPS CHECK GOOD. IAW AMM 33-50-01
- [SDR DXTA2025021302337](https://openairdocs.org/sdr/DXTA2025021302337.md): Precatch · out of adjust · Feb 12, 2025 · N648QS · Cessna 560XL · Passenger/Crew Doors
  > MAIN DOOR PRECATCH: MAIN CABIN DOOR WILL NOT OPEN. STUCK ON PRECATCH. CORRECTIVE ACTION: ADJUSTED PRECATCH CABLE. OPS CHECK GOOD. IAW CE560XL MM 52-10-00.
- [SDR 2024FA0000670](https://openairdocs.org/sdr/2024FA0000670.md): Skin · corroded · Aug 29, 2024 · N648QS · Cessna 560XL · Wing, Plate/Skin
  > REPAIRED THE LH UPPER WING SKINS BY BLENDING CORRODED AREAS, PERFORMING NDT, AND REPORTING FOR REPAIR DISPOSITION. CLEANED, TREATED, AND PRIMED AREAS FOUND ACCEPTABLE, AND FABRICATED & INSTALLED TWO REPAIR DOUBLERS AS REQUIRED IN ACCORDANCE WITH TEXTRON FIELD
- [SDR 2024FA0000669](https://openairdocs.org/sdr/2024FA0000669.md): Skin · corroded · Aug 29, 2024 · N648QS · Cessna 560XL · Emergency Exits
  > MECHANICALLY REMOVED 3 AREAS OF CORROSION FOUND AROUND E-EXIT DOOR SKIN AROUND EXTERIOR HANDLE. FOUND 1 CORROSION BLEND TO BE BEYOND LIMITS IAW C560XL SRM 51-70-08. COMPLIED WITH TEXTRON FR-560-5574-12462, TITLE FIELD REPAIR- CORROSION, EMERGENCY EXIT, SKIN, A
- [SDR 2024FA0000668](https://openairdocs.org/sdr/2024FA0000668.md): Skin · corroded · Aug 29, 2024 · N648QS · Cessna 560XL · Fuselage Main, Plate/Skin
  > REPAIRED 54 AREAS OF CORROSION ON THE DROP AISLE FUSELAGE SKIN AND STRINGERS BETWEEN FUSELAGE STATION 175 THRU 355. PERFORMED AN EDDY CURRENT AND ULTRASONIC THICKNESS INSPECTION OF THE BLENDED AREAS. CLEANED, TREATED AND PRIMED AREAS FOUND ACCEPTABLE. FABRICAT
- [SDR 2024FA0000666](https://openairdocs.org/sdr/2024FA0000666.md): Skin · corroded · Aug 29, 2024 · N648QS · Cessna 560XL · Fuselage Main, Plate/Skin
  > MECHANICALLY BLENDED LH FUSELAGE PSE SKIN CORROSION LOCATED AROUND LH FWD CABIN WINDOW WITH 1 AREA OF CORROSION, 2ND CABIN WINDOW WITH 1 AREA OF CORROSION, 3RD CABIN WINDOW WITH 5 AREAS OF CORROSION, 4TH CABIN WINDOW WITH 3 AREAS OF CORROSION AND 5TH WINDOW WI
- [SDR JGVR20231003001](https://openairdocs.org/sdr/JGVR20231003001.md): Unknown · unknown · Oct 3, 2023 · N648QS · Cessna 560XL · Fuselage Main, Plate/Skin
  > BLENDED CORRODED AREAS ON THE EXTERIOR FUSELAGE SKIN, LOCATED JUST UNDER THE RH #4 CABIN WINDOW, PERFORMED NDT AND REPORTED FOR REPAIR DISPOSITION. CLEANED, TREATED, PRIMED AND TOP COATED AREAS PER TEXTRON REPAIR MEMO.
- [SDR DXTA2023090194330](https://openairdocs.org/sdr/DXTA2023090194330.md): Light · inoperative · Sep 1, 2023 · N648QS · Cessna 560XL · Emergency Lighting
  > FLOOR EMERG EXIT LIGHT: FWD LEFT AISLE DROPDOWN LED STRIP HAS AN APPROXIMATELY 3 TO 4 FOOT INOPERATIVE SECTION WHEN EMER LTS ARE SELECTED TO ON. REMOVED DAMAGED DROPPED AISLE LIGHT LED LIGHTING ASSEMBLY PN: 9919040-5 SN: 117003833 AND INSTALLED NEW UNIT PN: 9
- [SDR DXTA2023050885530](https://openairdocs.org/sdr/DXTA2023050885530.md): Door · damaged · May 5, 2023 · N648QS · Cessna 560XL · Passenger/Crew Doors
  > MAIN DOOR: TAKING OFF WE HAD A DOOR OPEN AND DOOR SEAL LIGHT WITH MASTER CAUTION AND LOUD WIND NOISE. DID AN EMERGENCY RETURN TO THE FIELD. ON TOUCHDOWN THE DOOR CAME OPEN. ON STOPPING WE WERE ABLE TO SECURE THE DOOR FOR TAXI BUT IT WOULD NOT LOCK. THE DOOR WO
- [SDR 2021071945450](https://openairdocs.org/sdr/2021071945450.md): Battery Pack · faulty · Jul 17, 2021 · N648QS · Gulstm 560 · Emergency Lighting
  > EMERGENCY LIGHTING: WITH SHIP POWER OFF PASSENGER SAFETY LIGHTS EMERGENCY EXIT LIGHT OVER MAIN DOOR AND FORWARD HALF OF FLOOR LIGHTS DO NOT WORK, BUT ALL THE LIGHTS WORK WITH BATTERY OR GPU OR SHIPS POWER ON. // SIGNOFF // REMOVED AND REPLACED EMERGENCY LIGH
- [SDR DXTA2021071945450](https://openairdocs.org/sdr/DXTA2021071945450.md): Battery · inoperative · Jul 17, 2021 · N648QS · Cessna 560XL · Emergency Lighting
  > EMERGENCY LIGHTING: WITH SHIP POWER OFF PASSENGER SAFETY LIGHTS EMERGENCY EXIT LIGHT OVER MAIN DOOR AND FORWARD HALF OF FLOOR LIGHTS DO NOT WORK, BUT ALL THE LIGHTS WORK WITH BATTERY OR GPU OR SHIPS POWER ON. REMOVED AND REPLACED EMERGENCY LIGHTING BATTERY P
- [SDR JGVR2016101700001](https://openairdocs.org/sdr/JGVR2016101700001.md): Flap Track · worn · Oct 14, 2016 · N648QS · Cessna 560XL · Leading Edge Devices
  > DISCOVERED NINE RIVETS PULLED THROUGH THE SKIN ON THE BOTTOM OF THE OUTBOARD FLAP TRACK OF THE RT WING.
- [SDR DXTA2016041306231](https://openairdocs.org/sdr/DXTA2016041306231.md): Torque Tube · corroded · Apr 13, 2016 · N648QS · Cessna 560XL · Elevator Control System
  > LEFT ELEVATOR TORQUE TUBE CORRODED OUT OF LIMITS. FOUND DURING COMPLETE PAINT PROCESS. REMOVED TORQUE TUBE, PN UNKNOWN, FROM LT ELEVATOR PN 6634200-9, SN 0000106 DUE TO LEVEL 2 CORROSION. INSTALLED NEW TORQUE TUBE PN 6634002-15 IAW SRM 51-40-03, 51-40-04, 5
- [SDR DXTA2016041306230](https://openairdocs.org/sdr/DXTA2016041306230.md): Torque Tube · corroded · Apr 13, 2016 · N648QS · Cessna 560XL · Elevator Control System
  > RIGHT ELEVATOR TORQUE TUBE CORRODED OUT OF LIMITS. FOUND DURING COMPLETE PAINT PROCESS. REMOVED TORQUE TUBE DUE TO LEVEL 2 CORROSION. INSTALLED NEW TORQUE TUBE PN 6634002-16 IAW SRM 51-40-03, 51-40-04, 51-40-05, 51-40-06, 55-20-01 & MM 20-32-00. THIS IS CO
- [SDR DXTA2014112105930](https://openairdocs.org/sdr/DXTA2014112105930.md): Computer · failed · Nov 20, 2014 · N648QS · Cessna 560XL · Instrument Panel
  > ENROUTE PICS MFD, PFD, FAILED WITH RED X & ANNUNCIATOR, FMS FAILED AS WELL AS YAW DAMPER, AUTOPILOT, TCAS, GND PROX & FLIGHT DIRECTOR. TROUBLESHOOT SYS TO AN INOPERATIVE NR 1 INTEGRATED AVIONICS COMPUTER. REMOVED NR 1 INTEGRATED AVIONICS COMPUTER, REPAIRED,
- [SDR DXTA2010022203997](https://openairdocs.org/sdr/DXTA2010022203997.md): Heating Element · failed · Feb 20, 2010 · N648QS · Cessna 560XL · Windshield/Door Rain/Ice Removal
  > AT FL230 SAT WAS -30C. NOTICED SPARKS AT THE TOP RT PORTION OF PILOT SIDE WINDSHIELD AND WITHIN 5 SECONDS THE WINDSHIELD COMPLETELY SHATTERED, "WINDSHIELD FAIL R" ANNUNCIATOR ILLUMINATED SIMULTANEOUSLY. TROUBLESHOT & FOUND PILOTS WINDSHIELD HEATING ELEMENTS
- [SDR DXTA2009031603544](https://openairdocs.org/sdr/DXTA2009031603544.md): Transducer · malfunctioned · Mar 15, 2009 · N648QS · Cessna 560XL · Landing Gear Position and Warning
  > DURING TAKEOFF ROLL, THE MASTER CAUTION AND ANTI SKID LIGHT CAME ON. AFTER SHUTDOWN, NOTICED THE RT TRANSDUCER FLAG IN THE LT NOSE COMPARTMENT WAS SHOWING WHITE. R&R RT TRANSDUCER, OPS CHECK GOOD IAW MM 32-42-07.
- [SDR DXTA200803031](https://openairdocs.org/sdr/DXTA200803031.md): Gasket · leaking · Apr 28, 2008 · N648QS · Cessna 560XL · Fuel Controlling System
  > DURING T/O ROLL, RT N1 ROLLED BACK FROM 90.8 (T/O PWR SETTING) TO 80 PERCENT N1. REMOVED AND REPLACED BOU TORQUE MOTOR BASE GASKET IAW MM 75-30-01 C/W RUNS ALL CHECKS GOOD LEAK CHECKS GOOD. DOWN LOADED EFC AND NOTED NO TR FAULTS. FOUND FAULT FI09 AND ALSO FO
- [SDR DXTA200702529](https://openairdocs.org/sdr/DXTA200702529.md): Handle · out of adjust · Oct 6, 2007 · N648QS · Cessna 560XL · Passenger/Crew Doors
  > THE CABIN DOOR ANNUNCIATOR ILLUMINATED WHILE PASSING FL190. 10-29-07 ADJUSTED DOOR HANDLE SWITCH AND LUBED DOOR PINS. IAW CE-560XL M.M. 52-10-01. OP'S CHECK NUMEROUS TIMES. OP'S CK GOOD.
- [SDR DXTA200601392](https://openairdocs.org/sdr/DXTA200601392.md): Unlock Switch · out of adjust · May 14, 2006 · N648QS · Cessna 560XL · Landing Gear Position and Warning
  > DURING GEAR RETRACTION THE 3 GREEN LIGHTS EXTINGUISHED WHILE THE RED UNLOCK LIGHT REMAINED ILLUMINATED. - JACKED ACFT, ADJUST UP-LOCK, SWITCH ON NOSE GEAR, SWING GEAR MULTIPLE TIMES. OPS CHECK GOOD. IAW CE560XL 32-01-00.
- [SDR CWQR2006004](https://openairdocs.org/sdr/CWQR2006004.md): Drain Valve · loose · Mar 8, 2006 · N648QS · Cessna 560XL · Pitot/Static System
  > FOUND THE STATIC SYSTEM DRAIN VALVE POPPET RETAING RING COMING LOOSE FROM VALVE BASE.
- [SDR DXTA200501173](https://openairdocs.org/sdr/DXTA200501173.md): Brake · vibrates · Dec 31, 2005 · N648QS · Cessna 560XL · Landing Gear Brake System
  > LT AND RT BRAKES ARE CATCHING AND GRABBING ON BRAKE APPLICATION. LOUD CHATTERING CAN BE HEARD AND THE GRABBING SHAKES THE PLANE. BRAKE WEAR PINS SHOW AMPLE BRAKE WEAR AVAILABLE. BLED LT AND RT BRAKE SYSTEM IAW CE 560XLS MM CHP 32-44-00. TAXI 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 = 'N648QS' AND deregistration_id = 'N648QS-2026-01-23'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/deregistered/N648QS-2026-01-23/reports

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