# Service difficulty reports: Textron 525B

A list on [Textron 525B](https://openairdocs.org/model/textron-525b.md).

Newest first. General aviation reporting is voluntary.

Page 1 of 8 · 398 reports

- [SDR 2026FA0000875](https://openairdocs.org/sdr/2026FA0000875.md): Extinguisher · wrong part · Oct 5, 2026 · N24HN · Cessna 525B · Fire Bottle, Fixed
  > AFTER MAJOR INSPECTIONS AT 145 REPAIR FACILITY, TO INCLUDE FIRE BOTTLE EXCHANGE DUE TO HYDROSTATIC TEST DUE, WE WERE ALERTED THAT THE EXCHANGE BOTTLE INSTALLED WAS THE INCORRECT PART NUMBER. THE PART NUMBER INSTALLED WAS FOR PRIOR SERIAL NUMBERS, AND WAS NOT A
- [SDR O9IA202609230001](https://openairdocs.org/sdr/O9IA202609230001.md): Smoke Warning · false activation · Sep 23, 2026 · N175AA · Cessna 525B · Smoke Detection
  > ON APPROACH INTO ABI, THE BAGGAGE SMOKE MESSAGE ILLUMINATED. THE CREW DECLARED AN EMERGENCY WITH TOWER AND FIRE EQUIPMENT WAS DISPATCHED. AIRCRAFT LANDED UNEVENTFULLY. AFTER LANDING THE FLIGHT CREW INSPECTED THE FWD AND AFT BAGGAGE BAYS AND FOUND NO EVIDENCE
- [SDR 2026FA0000746](https://openairdocs.org/sdr/2026FA0000746.md): Bulb · inoperative · Sep 17, 2026 · N525CR · Cessna 525B · Landing Gear Position and Warning
  > WHILE ON APPROACH INTO BUF, WE EXTENDED THE LANDING GEAR JUST OUTSIDE OF THE FAF. THE LEFT MAIN LANDING GEAR GREEN LIGHT DID NOT ILLUMINATE. WE EXECUTED A MISSED APPROACH, CYCLED THE GEAR, AND IT PRODUCED BOTH MAIN LANDING GEAR LIGHTS OUT AND NOT INDICATING DO
- [SDR 2026FA0000692](https://openairdocs.org/sdr/2026FA0000692.md): Radome · abnormal · Sep 14, 2026 · N765JW · Cessna 525B · Aerodynamic Fairings
  > WHILE TAKING DELIVERY OF A NEW AIRCRAFT, NOTICED THE RADOME TO FUSELAGE CONTOUR HAS A MISMATCH. THE RADOME IS BIGGER THAN THE FUSELAGE. AT THE SAME TIME TEXTRON WAS DELIVERING S/N 525B-0917 AND IT HAD A LARGER MISMATCH. WAS TOLD BY TEXTRON REPRESENTATIVES TH
- [SDR 3EJA752JS09132026](https://openairdocs.org/sdr/3EJA752JS09132026.md): Actuator · mechanic error · Sep 13, 2026 · N752JS · Cessna 525B · Elevator Tab Control System
  > AT FL450 WE GOT A RED E WITH A DOWN ARROW ANNUNCIATION ON BOTH PFD’S. RON WAS PF AND FIRMLY GRIPPED THE YOKE AS I GAVE HIM A 3,2,1 COUNT AND DISCONNECTED THE AUTOPILOT. THE AIRPLANE’S NOSE TRIED TO RISE AND RON WAS ABLE TO CONTROL IT WITH FORCE. WE BOTH TRIED
- [SDR 3EJA202101962200](https://openairdocs.org/sdr/3EJA202101962200.md): Actuator · frozen · Sep 12, 2026 · N752JS · Cessna 525B · Elevator Tab Control System
  > DESCENDING THROUGH 43,000’ WE GOT A YELLOW TRIM MISCOMPARE ANNUNCIATION ON BOTH PFD’S FOLLOWED BY A RED TRIM MISCOMPARE ON BOTH PFD’S. I WAS PF AND DISCONNECTED THE AUTOPILOT. THE AIRPLANE JUMPED NOSE UP. I CAUGHT IT AND BROUGHT IT BACK TO A STABILIZED DESCENT
- [SDR D0DA202608210001](https://openairdocs.org/sdr/D0DA202608210001.md): Smoke Detector · false activation · Aug 20, 2026 · N535DT · Cessna 525B · Smoke Detection
  > BAGAGGE SMOKE DETECTOR WARNING ON FINAL. DECLARED EMERGENCY LANDING. INITIAL INSPECTION UPON LANDING SHOWED NO EVIDENCE OF SMOKE OR FIRE. MAINTENANCE FACILITY WAS CONTRACTED TO EXAMINE THE SMOKE DETECTOR AND BAGAGGE AREA. NO EVIDENCE OF SMOKE, FIRE OR LEAK
- [SDR 2026F00176](https://openairdocs.org/sdr/2026F00176.md): Cabin Press Sys · warning message · Aug 2, 2026 · N615KJ · Cessna 525B · Cabin Pressure Control System
  > AT 2252Z, SIS61 ON DEPARTURE FROM RUNWAY 33 AT ASE DECLARED AN EMERGENCY DUE TO A LOSS OF CABIN PRESSURE AND INFORMED THE RADAR CONTROLLER THEY WERE DESCENDING BACK TO 100 AND NEEDED TO DIVERT TO RIL. THEY DESCENDED FROM 121 TO 100 IN AN 115 MVA AND REQUESTED
- [SDR 3EJA202607270526](https://openairdocs.org/sdr/3EJA202607270526.md): Seal · leaking · Jul 25, 2026 · N753JS · Cessna 525B · Passenger/Crew Doors
  > UPON CLIMBING THROUGH FL310, WE HEARD LOUD WHISTLE FROM MAIN CABIN DOOR. THERE WAS NO LOSS OF CABIN PRESSURE AND THE PRESSURE DIFFERENTIAL REMAINED AT 7.5 PSI AND 4,000 CABIN ALTITUDE. PERFORMED CABIN PRESSURIZATION LEAK CHECK IAW AMM 21-30-TWO AREA THAT RE
- [SDR WI5R2026072200001](https://openairdocs.org/sdr/WI5R2026072200001.md): Compressor · damaged · Jul 21, 2026 · N79TW · Cessna 525B · Turbine Engine Compressor Section
  > WILLIAMS INTERNATIONAL PRODUCT SUPPORT ADVISED THE REPAIR STATION THAT THE CUSTOMER HAD REPORTED BEING TEMPERATURE LIMITED DURING TAKEOFF CONDITIONS. A SERVICE CENTER PERFORMED A BORESCOPE INSPECTION AND FOUND DAMAGE TO THE HPC ROTOR AND HPC COVER. W.I. PROD
- [SDR WI5R2026060500001](https://openairdocs.org/sdr/WI5R2026060500001.md): Compressor · damaged · Jun 5, 2026 · Cessna 525B · Turbine Engine Compressor Section
  > WILLIAMS INTERNATIONAL PRODUCT SUPPORT ADVISED THE REPAIR STATION THAT THE CUSTOMER HAD REPORTED THREE LOUD BANGS DURING APPROACH, FOLLOWED BY INDICATION OF LOSS OF ENGINE POWER AND A BURNING SMELL IN THE CABIN. A SERVICE CENTER PERFORMED A BORESCOPE INSPECTI
- [SDR 2026FA0000469](https://openairdocs.org/sdr/2026FA0000469.md): Smoke Detector · false activation · Jun 1, 2026 · N444AM · Cessna 525B · Smoke Detection
  > WHILE DESCENDING THROUGH APPROXIMATELY FL200, THE BAGGAGE SMOKE ANNUNCIATOR AND MASTER WARNING SWITCH LIGHT ILLUMINATED. WE DECLARED AN EMERGENCY AND BEGAN A DIVERSION TO THE CLOSEST AIRPORT WITH ARFF. WE CONSULTED THE CHECKLIST AND THE ONLY STEP WAS LAND AS S
- [SDR 3EJA751JS052826](https://openairdocs.org/sdr/3EJA751JS052826.md): Grommet · installed · May 28, 2026 · N751JS · Cessna 525B · Passenger/Crew Doors
  > DESCENDING FROM FL450 TO FL350, THROUGH 38000 FT, DOOR SEAL INDICATION FOLLOWED BY A LOUD NOISE AND CAB ALT WARNING IN SECONDS LATER. VISUALLY INSPECTED MAIN DOOR SEAL. NO DEFECTS OR OTHER DAMAGE WAS NOTED. INSPECTED SECONDARY SEAL. NO DAMAMGE NOTED. NOTED TH
- [SDR 3EJA20260525001](https://openairdocs.org/sdr/3EJA20260525001.md): Bulb · burned out · May 22, 2026 · N764JS · Cessna 525B · Landing Gear Position and Warning
  > LANDING GEAR LIGHT MAIN DOES NOT ILLUMINATE IN FLIGHT AFTER SELECTING THE GEAR LEVER TO THE DOWN POSITION.
- [SDR 2026FA0000383](https://openairdocs.org/sdr/2026FA0000383.md): Flap System · asymetric · May 14, 2026 · N125CD · Cessna 525B · Trailing Edge Flap Control System
  > THE INITIAL SQUAWK WAS FOR THE FLAP ACTUATORS NOT LOCKING IN THE FULLY RETRACTED POSITION. THE FLAPS WOULD DROOP DURING TAXI AND/OR WHILE PARKED. DURING THE SERVICE EVENT. THE TECHNICIANS REPORTED THE FLAP ACTUATORS WERE UNLOCKING AT DIFFERENT PRESSURES. THIS
- [SDR 2026FA0000371](https://openairdocs.org/sdr/2026FA0000371.md): Flap System · asymetric · May 14, 2026 · N125CD · Cessna 525B · Trailing Edge Flap Control System
  > INITIAL SQUAWK WAS FOR FLAPS NOT LOCKING IN THE UP POSITION. THE FLAPS WERE DROOPING WHILE TAXING OR PARKED. DURING SERVICE THE TECHNICIANS REPORTED THE FLAP ACTUATORS WERE UNLOCKING AT DIFFERENT PRESSURES. THIS WOULD CAUSE A MOMENTARY ASYMMETRIC DEPLOYMENT OF
- [SDR 2026FA0000370](https://openairdocs.org/sdr/2026FA0000370.md): Flap System · asymetric · May 14, 2026 · N125CD · Cessna 525B · Trailing Edge Flap Control System
  > INITIAL SQUAWK WAS FOR FLAPS NOT LOCKING IN THE UP POSITION. THE FLAPS WERE DROOPING WHILE TAXING OR PARKED. DURING SERVICE THE TECHNICIANS REPORTED THE FLAP ACTUATORS WERE UNLOCKING AT DIFFERENT PRESSURES. THIS WOULD CAUSE A MOMENTARY ASYMMETRIC DEPLOYMENT OF
- [SDR 2026FA0000369](https://openairdocs.org/sdr/2026FA0000369.md): Flap System · asymetric · May 14, 2026 · N125CD · Cessna 525B · Trailing Edge Flap Control System
  > INITIAL SQUAWK WAS FOR FLAPS NOT LOCKING IN THE UP POSITION. THE FLAPS WERE DROOPING WHILE TAXING OR PARKED. DURING SERVICE THE TECHNICIANS REPORTED THE FLAP ACTUATORS WERE UNLOCKING AT DIFFERENT PRESSURES. THIS WOULD CAUSE A MOMENTARY ASYMMETRIC DEPLOYMENT OF
- [SDR 2026FA0000362](https://openairdocs.org/sdr/2026FA0000362.md): Smoke Detector · false activation · May 12, 2026 · N444AM · Cessna 525B · Smoke Detection
  > WHILE DESCENDING INTO NAPLES, THE MASTER WARNING SWITCH LIGHT AND BAGGAGE SMOKE ANNUNCIATORS ILLUMINATED. WE DECLARED AN EMERGENCY AND REQUESTED VECTORS TO THE CLOSEST AIRPORT WITH ARFF ON THE FIELD, WHICH WAS TMB. THE ONLY ITEM ON THE CHECKLIST WAS LAND AS SO
- [SDR 2026FA0000350](https://openairdocs.org/sdr/2026FA0000350.md): Outflow Valve · faulted · May 9, 2026 · N525CR · Cessna 525B · Pressure Regulator/Outflow Valve
  > CABIN DEPRESSURIZED AT FL 450. CABIN RATE CLIMBED AT 3000 FPM, CABIN ALT STOPPED CLIMBING AT 15,000'
- [SDR 2026FA0000331](https://openairdocs.org/sdr/2026FA0000331.md): Smoke Detector · false activation · May 7, 2026 · N525CR · Cessna 525B · Smoke Detection
  > FALSE INDICATION OF BAGGAGE SMOKE
- [SDR WI5R2026071400001](https://openairdocs.org/sdr/WI5R2026071400001.md): Compressor · damaged · May 6, 2026 · Cessna 525B · Turbine Engine Compressor Section
  > WILLIAMS INTERNATIONAL PRODUCT SUPPORT, THE ENGINE OEM, ADVISED THE REPAIR STATION THAT THE CUSTOMER HAD REPORTED HIGH ENGINE VIBRATIONS AROUND 85% N2. AN AUTHORIZED SERVICE CENTER PERFORMED A VIBRATION SURVEY AND CONFIRMED HIGH N1 VIBRATIONS. A SUBSEQUENT B
- [SDR 3EJA2026051300005](https://openairdocs.org/sdr/3EJA2026051300005.md): Bulb · burned out · May 5, 2026 · N753JS · Cessna 525B · Landing Gear Position and Warning
  > RT MAIN GEAR INDICATOR LIGHT DID NOT ILLUMINATE WHEN LANDING GEAR SELECTED DOWN. FOLLOWED "GEAR WILL NOT EXTEND" CHECKLIST AND MANUALLY EXTENDED THE WITH THE EMERGENCY BLOWDOWN BOTTLE. UPON LANDING, EMERGENCY BRAKE WAS UTILIZED TO STOP ON THE RUNWAY.
- [SDR QREA202607070001](https://openairdocs.org/sdr/QREA202607070001.md): Pressure Switch · stuck · May 1, 2026 · N971TB · Cessna 525B · Engine Oil Pressure
  > RIGHT ENGINE OIL PRESSURE LOW WARNING- OIL PRESSURE SWITCH STUCK IN THE OIL PRESSURE ZERO POSITION
- [SDR 2026F00093](https://openairdocs.org/sdr/2026F00093.md): Fdu · faulted · Apr 23, 2026 · N525B · Cessna 525B · Engine (Turbine/Turboprop)
  > LEFT ENGINE SHUT DOWN ON ITS OWN AS WE PULLED POWER BACK FOR INITIAL DESCENT FROM FL430. FIRST INDICATION WAS N1 READING ZERO. NEXT INDICATION WAS A GENERATOR FAIL, WARNING LIGHT. OIL PRESSURE WAS NOW AT 9 PSI. NO VIBRATION NOTED. SUCCESSFULLY RESTARTED ENGINE
- [SDR 2026F00080](https://openairdocs.org/sdr/2026F00080.md): Compressor · damaged · Apr 23, 2026 · N525MP · Cessna 525B · Turbine Engine Compressor Section
  > WILLIAMS INTERNATIONAL ENGINE MODEL FJ44-3A, SERIAL NUMBER 141186, FROM AIRCRAFT 525B-0088 (N525MP) WAS RETURNED TO OUR REPAIR STATION FOR UNSCHEDULED REPAIR. N525MP IS OPERATED UNDER FAR PART-135. ACCORDING TO THE WILLIAMS INTERNATIONAL OEM PRODUCT SUPPOR
- [SDR 2026F00094](https://openairdocs.org/sdr/2026F00094.md): Flap System · failed · Apr 22, 2026 · N415PC · Cessna 525B · Trailing Edge Flap Control System
  > UPON APPROACH TO KALO, WHEN SELECTING FLAP HANDLE TO EXTEND, FLAPS FAILED TO EXTEND.
- [SDR 2026FA0000286](https://openairdocs.org/sdr/2026FA0000286.md): Attach Plate · misaligned · Apr 22, 2026 · N501LL · Cessna 525B · Wing, Attach Fittings
  > 8 EACH HOLES THROUGH THE YAW PLATE/WING ATTACH FITTING WERE NOT DRILLED PERPENDICULAR TO THE CONTOUR OF THE STRUCTURE CREATING A NONSHEAR CONDITION FOR THE FASTENER INSTALLATION. THESE HOLES WERE REQUIRED TO BE OVERSIZED BEYOND SRM LIMITATIONS TO CREATE A SHEA
- [SDR 2026FA0000264](https://openairdocs.org/sdr/2026FA0000264.md): Axle · out of tolerance · Apr 8, 2026 · N424CW · Cessna 525B · Main Landing Gear Strut/Axle/Truck
  > DURING THE 1ST TIRE CHANGE ON THIS AIRCRAFT SINCE PRODUCTION, IT WAS FOUND THAT BOTH MLG AXLE NUTS HAD JUST FINGER TIGHT TORQUE. THE MAINTENANCE MANUAL CALLS OUT 550 IN LBS INTIAL TORQUE, BACK TO ZERO, THEN 265 -275 IN LBS FINAL TORQUE. IT WAS FOUND AFTER INSP
- [SDR 3EJA2026071300402](https://openairdocs.org/sdr/3EJA2026071300402.md): Controller · failed · Apr 2, 2026 · N780JS · Cessna 525B · Cabin Pressure Controller
  > PRESSURE CONTROLLER WENT BLANK IN FLIGHT. R & R PRESSURIZATION CONTROLLER.
- [SDR 3EJA2026042200006](https://openairdocs.org/sdr/3EJA2026042200006.md): Door Seal · worn · Apr 2, 2026 · N799JS · Cessna 525B · Passenger/Crew Doors
  > CREW STARTED DECENT FROM FL 450 TO FL 270, AT FL 350 THEY RECEIVED A CABIN DOOR SEAL CAS MESSAGE. CREW REFERRED TO EMERGENCY CHECKLIST E2 AND FOLLOWED TO PROCEED BELOW FL 310 WITH MASKED DON NORMAL. AT ABOUT FL 310 THEY RECEIVED A CABIN ALTITUDE CAS MESSAGE AN
- [SDR 3EJA2026042800026](https://openairdocs.org/sdr/3EJA2026042800026.md): Radio · malfunctioned · Mar 28, 2026 · N739JS · Cessna 525B · Communications System
  > AT APPROXIMATELY FL230 CLIMBING, ENROUTE TO FRG, EXPERIENCED TOTAL PASS OF COMMS WHERE BOTH SEATS AND BOTH RADIO 1 AND COULD NOT TRANSMIT AND/OR RECEIVE RADIO COMMUNICATIONS SQUELCH WAS INCREDIBLY LOUD AND EAR PIERCING. DID WHAT TROUBLESHOOTING THAT THEY COULD
- [SDR 3EJA2026050100126](https://openairdocs.org/sdr/3EJA2026050100126.md): Door Seal · failed · Mar 21, 2026 · N780JS · Cessna 525B · Passenger/Crew Doors
  > WHILE CLIMBING OUT OF OGS THROUGH ABOUT 20,000 FT, WE STARTED HEARING A LIGHT WHISTLE FROM THE CABIN. R&R MED PRIMARY AND SECONDARY SEALS.
- [SDR 2026F00059](https://openairdocs.org/sdr/2026F00059.md): Warning System · activated · Mar 18, 2026 · N466F · Cessna 525B · Cabin Pressure Control System
  > ON 3/18/26, DEPARTING FROM KDVT, CREW RETURNED TO KDVT DUE TO CLIMBING THRU 2000FT, WE GOT AURAL AND VISUAL WARNING, NO TAKEOFF”. AURAL WARNING WAS CONTINUOUS AND VISUAL WAS INTERMITTENT. CLIMBING THRU 10,000 NOTICED THE PRESSURIZATION WAS CLIMBING RAPIDLY, E
- [SDR 2PIA2026FA0000151](https://openairdocs.org/sdr/2PIA2026FA0000151.md): Uplock · cracked · Mar 2, 2026 · N377PL · Cessna 525B · Landing Gear Retraction/Extension System
  > ABOUT 12 MINUTES AFTER TAKEOFF AND DURING LEVEL-OFF AT 6,000 FEET WHILE ACCELERATING THROUGH 240 KIAS WITH GEAR SELECTED UP AND FULLY RETRACTED, A BIG THUMP WAS HEARD AND THE GEAR UNSAFE LIGHT ILLUMINATED. IT SEEMS THAT THE LEFT MAIN GEAR CAME LOOSE INFLIGHT.
- [SDR 2026F00012](https://openairdocs.org/sdr/2026F00012.md): Turbine Blades · damaged · Feb 12, 2026 · N525CR · Cessna 525B · Turbine Section
  > THE FLIGHT-CREW HAD NOTICED SMOKE IN THE CABIN, WHICH THEY ISOLATED TO THE NR 1 ENGINE, PROMPTING IN-FLIGHT SHUTDOWN OF ENGINE. AIRCRAFT LANDED WITHOUT INCIDENT. POST-FLIGHT INSPECTION REVEALED NO OIL VISIBLE IN THE NR 1 ENGINE’S OIL LEVEL SIGHT-GLASS. SUPP
- [SDR 3EJA202603240001](https://openairdocs.org/sdr/3EJA202603240001.md): Oil Cooler · failed · Feb 4, 2026 · N739JS · Cessna 525B · Engine Oil Distribution (Airframe Furnished)
  > RECEIVED RED OIL PRESSURE INDICATION (POINTER AND DIGITS) LEFT ENGINE IN FLIGHT. SHUT DOWN LEFT ENGINE, DECLARED AN EMERGENCY AND DIVERTED TO KCHS. FOLLOWED CHECKLIST PAGES D4 LOW OIL PRESSURE INDICATION, A2 ENGINE FAILURE/SHUTDOWN AND Y1 SINGLE ENGINE APPROAC
- [SDR 2026FA0000021](https://openairdocs.org/sdr/2026FA0000021.md): Fuel Cell · fod · Jan 13, 2026 · N509W · Cessna 525B · Fuel Storage
  > EXTRA FUEL ACCESS PANEL FOUND INSIDE FUEL STORAGE TANK
- [SDR 3EJA202601270008](https://openairdocs.org/sdr/3EJA202601270008.md): Hook · failed · Jan 8, 2026 · N702JS · Cessna 525B · Landing Gear Retraction/Extension System
  > DESCENDING THROUGH FL 220 AT APPROX 230 KIAS, RECEIVED RED LANDING GEAR LIGHT FOLLOWED BY A RUMBLE SOUND AND THE AMBER HYD PRESS ON MESSAGE.//////////REMOVED FAILED PART NO: 6341356-1-1 REMOVED SERIAL NO: NSN. INSTALLED NEW UPLOCK HOOK ASSEMBLY IAW CESSNA 5258
- [SDR 3EJA2026021300526](https://openairdocs.org/sdr/3EJA2026021300526.md): Mount · worn · Jan 5, 2026 · N785JS · Cessna 525B · Elevator Structure
  > PITCH TRIM FREEZING IN CLIMB AND DESCENT FROM FL430. REMOVED AND REPLACED ELEVATOR TRIM SERVO MOUNT IAW AMM 27-30-02.
- [SDR 2026FA0000005](https://openairdocs.org/sdr/2026FA0000005.md): Wire Harness · chafed · Jan 4, 2026 · N651TW · Cessna 525B · Landing Gear System Wiring
  > ANTI-SKID FAILURE ON TAXI
- [SDR 3EJA202601150006](https://openairdocs.org/sdr/3EJA202601150006.md): Uplock Switch · failed · Dec 22, 2025 · N736JS · Cessna 525B · Landing Gear Retraction/Extension System
  > AFTER TAKEOFF WE RETRACTED THE GEAR AND THE NOSE GEAR LIGHT REMAINED ILLUMINATED AND THE MAIN GEAR LIGHTS EXTINGUISHED. R & R NOSE GEAR UPLOCK SWITCH, OPS CHECK GOOD.
- [SDR 3EJA202601150004](https://openairdocs.org/sdr/3EJA202601150004.md): Bracket · worn · Dec 16, 2025 · N720JS · Cessna 525B · Main Landing Gear
  > ON RETRACTING THE MLG WE FELT AND HEARD A LOUD VIBRATION THAT SEEMED TO BE COMING FROM THE NOSE GEAR. IT WAS ACCOMPANIED BY THE GEAR UNSAFE LIGHT FLASHING IN RHYTHM WITH THE SOUND THAT EVENTUALLY EXTINGUISHED WITH THE HYDRAULIC ANNUNCIATOR. REPLACED NLG UPLO
- [SDR 2026FA0000003](https://openairdocs.org/sdr/2026FA0000003.md): Torque Tube · broken · Dec 10, 2025 · N525CR · Cessna 525B · Landing Gear Door Retract Section
  > NOSE LANDING GEAR DOORS WOULD NOT RETRACT
- [SDR 3EJA202601140003](https://openairdocs.org/sdr/3EJA202601140003.md): Unknown · odor · Dec 2, 2025 · N785JS · Cessna 525B · Air Distribution System
  > MASTER CAUTION ILLUMINATED ALONG WITH AURAL WARNING REFERENCED QRH. THEN GOT A BURNING SMELL THROUGHOUT THE AIRCRAFT, DECLARED AN EMERGENCY DIVERTED TO CHARLESTON INTERNATIONAL AIRPORT CHARLESTON. PERFORMED SEVERAL ENGINE RUNS WITH BLEEDS ON, CND.
- [SDR 3EJA2025121900005](https://openairdocs.org/sdr/3EJA2025121900005.md): Uplock · damaged · Dec 2, 2025 · N702JS · Cessna 525B · Landing Gear Retraction/Extension System
  > IN FLIGHT FROM APF TO 07FA AT 13,000 FT. FELT A BANG AND GOT “GEAR UNLOCKED” LIGHT. R & R DAMAGED RT MLG UPLOCK WITH A NEW UPLOCK ASSY, OPS CHECKED GOOD WITH NO DEFECTS NOTED AT THIS TIME. WORK PERFORMED !AW AMM 32·31-04.
- [SDR 3EJA744JS112525](https://openairdocs.org/sdr/3EJA744JS112525.md): Control Valve · failed · Nov 25, 2025 · N744JS · Cessna 525B · Brake Anti-Skid Section
  > AFTER NORMAL LANDING FROM RIGHT SIDE APPLIED BRAKES, ANTI SKID LIGHT CAME ON AND BRAKES DID NOT ACTUATE. R & R ANTISKID CONTROL VALVE P/N ON 9912621-3, S/N ON 868, NEW & BLED BRAKE SYSTEM IAW
- [SDR 2PIA2025F00272](https://openairdocs.org/sdr/2PIA2025F00272.md): Engine · malfunctioned · Nov 24, 2025 · N34SJ · Cessna 525B · Engine (Turbine/Turboprop)
  > FILED ALTITUDE FL 410, WHILE DESCENDING FROM FL 410 TO JOIN LEGOZ 4 ARRIVAL. WE HAD LEVELED OFF AT FL 370 PRIOR WITH NO ISSUE, THEN FLAMEOUT AT FL 330. AT APPROXIMATELY 0900 ON 22 NOVEMBER, 2025 THE CREW EXPERIENCED A NR 1 ENGINE FLAMEOUT. IT OCCURRED AS WE
- [SDR 3EJA202601140002](https://openairdocs.org/sdr/3EJA202601140002.md): Switch · failed · Nov 17, 2025 · N735JS · Cessna 525B · Airfoil Anti/De-ice System
  > RECEIVED TWO CAUTION MESSAGES “T2 HEATER FAIL L AND WING ANTI-ICE OVERTEMP L. R & R LT WING ANTI-ICE OVER TEMP SWITCH WITH NEW.
- [SDR 2025FA0000759](https://openairdocs.org/sdr/2025FA0000759.md): Static Port · blocked · Nov 17, 2025 · N1UL · Cessna 525B · Pitot/Static System
  > PERFORMED DOC 22 INSPECTION ON THE WORK ORDER WHICH INCLUDES TASK 21-31-00-720 OUTFLOW VALVE CABIN MAXIMUM ALTITUDE LIMITER - FUNCTIONAL TEST. THE IB OUTFLOW VALVE FAILED THE FUNCTIONAL TEST AND WAS CLEARED TO BE REPLACED. AFTER INSTALLATION OF THE NEW VALVE A

Next page: https://openairdocs.org/model/textron-525b/reports.md?page=2

## 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 aircraft_model_key = '525B'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/model/textron-525b/reports

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