# Service difficulty reports: Williams FJ44-1A

A list on [Williams FJ44-1A](https://openairdocs.org/engine/williams-fj44-1a.md).

Newest first. General aviation reporting is voluntary.

Page 1 of 2 · 59 reports

- [SDR WI5R2026092400001](https://openairdocs.org/sdr/WI5R2026092400001.md): Compressor · damaged · Sep 24, 2026 · N19DP · Cessna 525 · Turbine Engine Compressor Section
  > WILLIAMS INTERNATIONAL ENGINE MODEL FJ44-1A, ENGINE SERIAL NUMBER 1086, FROM AIRCRAFT 525-0040 (N19DP) WAS RETURNED TO OUR REPAIR STATION FOR UNSCHEDULED REPAIR. AN AIRFRAME SERVICE CENTER WAS PREPARING TO PERFORM A COMPRESSOR WASH WHEN THEY NOTICED DAMAGE TO
- [SDR 2026FA0000213](https://openairdocs.org/sdr/2026FA0000213.md): Compressor · damaged · Mar 25, 2026 · Cessna 525 · Turbine Engine Compressor Section
  > ENGINE WAS RETURNED TO OUR REPAIR STATION FOR UNSCHEDULED REPAIR. FLIGHT CREW REPORTED HEARING AN “ABNORMAL NOISE” DURING FLIGHT; HOWEVER, ALL ENGINE PARAMETERS WERE REPORTED TO REMAIN WITHIN NORMAL LIMITS. POST-FLIGHT INSPECTION REVEALED MISSING AIRCRAFT IN
- [SDR 2026FA0000197](https://openairdocs.org/sdr/2026FA0000197.md): Compressor · damaged · Mar 19, 2026 · N585MC · Cessna 525 · Turbine Engine Compressor Section
  > ENGINE WAS RETURNED TO OUR REPAIR STATION FOR UNSCHEDULED REPAIR. DURING AN AIRCRAFT PRE-BUY INSPECTION BEING PERFORMED BY AN AIRCRAFT SERVICE CENTER, EVIDENCE OF FOD DAMAGE WAS FOUND IN THE COMPRESSOR SECTION OF THE ENGINE. NOTE: AIRCRAFT SELLER DID NOT REP
- [SDR 2025FA0000048](https://openairdocs.org/sdr/2025FA0000048.md): Compressor · damaged · Jan 21, 2025 · N651CJ · Cessna 525 · Turbine Engine Compressor Section
  > WILLIAMS INTERNATIONAL ENGINE MODEL FJ44-1A, SERIAL NUMBER 1738, FROM AIRCRAFT 525-0365 (N651CJ), WAS RETURNED TO OUR REPAIR STATION FOR UNSCHEDULED REPAIR. AIRCRAFT OPERATOR REPORTED A “RUMBLE” NOISE ANOMALY, WITHOUT VIBRATION, WHICH HAD BEEN ISOLATED TO THE
- [SDR 2024FA0000941](https://openairdocs.org/sdr/2024FA0000941.md): Actuator · failed · Dec 5, 2024 · N585MC · Cessna 525 · Drag Control Actuator
  > LH SPEED BRAKE ACTUATOR RUPTURED CAUSING A LOSS OF HYDRAULIC FLUID AND PRESSURE. THE LANDING GEAR HAD TO BE EXTENDED IN EMERGENCY MODE. THE AIRCRAFT LANDED SAFE.
- [SDR WI5R2024092300729](https://openairdocs.org/sdr/WI5R2024092300729.md): Compressor · damaged · Sep 23, 2024 · N260AM · Cessna 525 · Turbine Engine Compressor Section
  > ENGINE WAS RETURNED TO OUR REPAIR STATION FOR UNSCHEDULED REPAIR. A SERVICE CENTER LOCATED IN GERMANY RELAYED A COMPLAINT FROM THE AIRCRAFT OPERATOR TO THE ENGINE OEM PRODUCT SUPPORT GROUP REGARDING A VIBRATION ISSUE ON THE AIRCRAFT’S LEFT-HAND ENGINE. THE S
- [SDR 2023FA0000813](https://openairdocs.org/sdr/2023FA0000813.md): Throttle Cable · fractured · Dec 3, 2023 · N3644B · Cessna 525 · Power Lever
  > AFTER ENGINE SHUTDOWN, WHITE SMOKE(FUEL VAPOUR) ERUPTED FROM EXHAUST NOZZLE. TECHNICIAN NOTICED IT AND MADE A TEST RUN, FOUND THAT FIRE OUT OF EXAUST NOZZLE AND LH ENGINE WAS NOT ABLE TO BE SHUTDOWN BY PULLING BACK THROTTLE LEVER,. FINALLY AFT THROTTLE CABLE
- [SDR 2022FA0000115](https://openairdocs.org/sdr/2022FA0000115.md): Bearing · failed · Feb 18, 2022 · N741CC · Cessna 525 · Starter-Generator
  > AS TOLD BY MAINTENANCE TECHNICIAN JEFF SHAW: CREW REPORTED THE ENGINE HAD GENERATOR FAIL WITH VIBRATION FOLLOWED BY ENGINE POWER ROLLBACK. INITIAL INSPECTION AFTER COWLING REMOVAL REVEALED HEAVY FUEL LEAK. FOUND FUEL LINE CRACKED THAT GOES FROM FF TRANSDUCER
- [SDR 2022FA0000119](https://openairdocs.org/sdr/2022FA0000119.md): Fuel Line · cracked · Feb 18, 2022 · N741CC · Cessna 525 · Hoses and Tubes
  > AS TOLD BY MAINTENANCE TECHNICIAN JEFF SHAW: CREW REPORTED THE ENGINE HAD GENERATOR FAIL WITH VIBRATION FOLLOWED BY ENGINE POWER ROLLBACK. INITIAL INSPECTION AFTER COWLING REMOVAL REVEALED HEAVY FUEL LEAK. FOUND FUEL LINE CRACKED THAT GOES FROM FF TRANSDUCER
- [SDR 2022FA0000077](https://openairdocs.org/sdr/2022FA0000077.md): Fuel Filter · within limits · Feb 3, 2022 · N547TW · Cessna 525 · Engine Fuel Indicating System
  > PLANE WAS RELOCATING FROM HND TO CRQ, DURING TAKE OFF PHASE CREW NOTICED THE FUEL FILTER BYPASS LIGHT CAME ON THE RIGHT ENGINE. CREW ABORTED THE TAKE OFF & TAXI BACK TO FBO.
- [SDR DIXA20221201](https://openairdocs.org/sdr/DIXA20221201.md): Engine · low pressure · Dec 9, 2020 · N900DS · Cessna 525 · Engine Oil System (Airframe Furnished)
  > AIRCRAFT DEPARTED KADS TODAY, AT FL300 CREW NOTICED RH ENGINE OIL PRESSURE WAS DROPPING, CREW ELECTED TO SHUTDOWN ENGINE AS A PRECAUTION, CREW DECLARED AN EMERGENCY AND LANDED BACK AT KADS WITH NO ISSUES.
- [SDR B90A20200617001](https://openairdocs.org/sdr/B90A20200617001.md): Garlock Seal · damaged · Jun 12, 2020 · N1327J · Cessna 525 · Turbine Engine Oil System
  > CLIMBING THROUGH APPROXIMATELY 7,000 FEET WHEN THE OIL PRESSURE DROPPED SIGNIFICANTLY AND WAS IMMEDIATELY FOLLOWED BY A RED MASTER WARNING INDICATOR AND A MESSAGE FOR LEFT ENGINE OIL PRESSURE. AN EMERGENCY WAS DECLARED AND REQUESTED AN IMMEDIATE RETURN TO DEPA
- [SDR B90A20181213001](https://openairdocs.org/sdr/B90A20181213001.md): Liner · cracked · Dec 10, 2018 · N1327J · Cessna 525A · Turbine Engine Air Inlet Section
  > DURING SCHEDULED FJ44 CHECKS 1 AND 2, RT ENGINE INLET LINER FOUND DAMAGED/CRACKED. PERFORMED IP AND HP COMPRESSOR (BORESCOPE) INSPECTION IAW FJ44-1A LMM TASK 71-00-30 FOR POSSIBLE FOD DAMAGE. NO EVIDENCE OF FOD DAMAGE FOUND. RT ENGINE INLET ASSEMBLY WAS REPLAC
- [SDR WI5R201808031116](https://openairdocs.org/sdr/WI5R201808031116.md): Rotor · fractured · Aug 3, 2018 · Cessna 525A · Turbine Engine Compressor Section
  > ENGINE HAD LIBERATION OF AN IP ROTOR BLADE AND DAMAGE TO THE HPC ROTOR. THE COMPRESSOR STALLED DURING OPERATION. FIELD BORESCOPE INSPECTION REVEALED A LIBERATED IP BLADE AND DAMAGE TO THE HPC ROTOR.
- [SDR WI5R2018043000001](https://openairdocs.org/sdr/WI5R2018043000001.md): Rotor · fractured · Apr 30, 2018 · Cessna 525 · Turbine Engine Compressor Section
  > THE ENGINE WAS RETURNED TO THE REPAIR STATION FOR DAMAGE NOTED ON THE HPC ROTOR BLADES. THE DAMAGE WAS FOUND DURING A POST FLIGHT BORESCOPE INSPECTION FOR VIBRATION. DISASSEMBLY REVEALED HPC ROTOR LIBERATED THE OUTER LE OF ONE CORNER OF ONE MAIN BLADE ABOUT
- [SDR WI5R20180328001](https://openairdocs.org/sdr/WI5R20180328001.md): Blades · detached · Mar 26, 2018 · N90MT · Cessna 525 · Turbine Engine Compressor Section
  > THE ENGINE WAS RETURNED TO THE REPAIR STATION WITH REPORTED BROKEN IP BLADES AFTER THE CUSTOMER REPORTED VIBRATION BETWEEN 15 PERCENT AND 8 PERCENT DURING SHUTDOWN. ON DISASSEMBLY, AND VISUAL INSPECTION, CONFIRMED THAT TWO BLADES WERE LIBERATED FROM THE IP RO
- [SDR JIKA2018032600001](https://openairdocs.org/sdr/JIKA2018032600001.md): Shutoff Valve · faulty · Mar 20, 2018 · N422MA · Swrngn SA227AC · Engine Fuel and Control
  > THE PILOT REPORTED AFTER TAKEOFF, THE LEFT ENGINE BEGAN BY-PASSING, FUEL PRESSURE AND ENGINE RPM REDUCED. THE PILOT FOLLOWED PROCEDURES AND PERFORMED AND INFLIGHT SHUT DOWN OF THE LEFT ENGINE. THE PILOT DECLARING AN EMERGENCY LANDED WITHOUT INCIDENT BACK AT
- [SDR WI5R201708310001](https://openairdocs.org/sdr/WI5R201708310001.md): Housing · cracked · Aug 31, 2017 · N525ML · Cessna 525 · Fuel Control/Turbine Engines
  > SUBSEQUENT TO A STARTER GENERATOR FAILURE ON THE ENGINE, THERE WAS A CRACK DISCOVERED IN THE HOUSING OF THE FUEL CONTROL UNIT, HYDROMECHANICAL.
- [SDR WI5R2016111100001](https://openairdocs.org/sdr/WI5R2016111100001.md): Rotor · failed · Nov 9, 2016 · N31HD · Cessna 525 · Turbine Engine Compressor Section
  > ENGINE WAS RETURNED TO THE REPAIR STATION FOR DAMAGE NOTED ON THE HPC ROTOR BLADES. THE ENGINE WAS BEING BORESCOPE INSPECTED NO OPERATIONAL ISSUES WERE NOTED. DISASSEMBLY REVEALED HPC ROTOR LIBERATED THE OUTER LEADING EDGE OF ONE CORNER OF ONE MAIN BLADE A
- [SDR XYZA20161101001](https://openairdocs.org/sdr/XYZA20161101001.md): Flow Valve · faulty · Oct 4, 2016 · N54HC · Cessna 525 · Heating System
  > AIRCRAFT GOES TO MAX HEAT IN FLIGHT. AIR CONDITIONING SYSTEM OPERATES NORMALLY HOWEVER, HOT BLEED AIR APPEARS TO BE COMING FROM THE EMERGENCY PRESSURIZATION SYSTEM.
- [SDR 9PMA2015101200489](https://openairdocs.org/sdr/9PMA2015101200489.md): Precooler · failed · Oct 1, 2015 · N58JN · Cessna 525 · Pneumatic Distribution System
  > PRECOOLER FAILED CAUSING BLEED LEAK THAT CAUSED ITT TO EXCEED LIMITS ON TAKEOFF ROLL. DURING THE ROLL THE CO-PILOT NOTED SMOKE IN COCKPIT AND CALLED FOR ABORT. ABORT WAS SUCCESSFUL. ACFT TAXIED BACK FOR EVALUATION AND REPAIRS.
- [SDR WI5R201410210001](https://openairdocs.org/sdr/WI5R201410210001.md): Seal · buckled · Oct 20, 2014 · Cessna 525 · Turbine Engine Combustion Section
  > (D-ILHB) PERFORMED CHECK 5 MAINTENANCE. DURING THE CUSTOMER'S FLIGHT TEST TO RETURN THE ACFT TO SERVICE, THE ENGINE WAS PURPOSELY SHUTDOWN TO TEST THE RELIGHT CAPABILITY. DURING THIS TESTING, THE N2 SPOOL COULD NOT BE TURNED BY WINDMILL OR STARTER ASSIST AN
- [SDR IXGA20140919001](https://openairdocs.org/sdr/IXGA20140919001.md): Engine · power loss · Sep 18, 2014 · N608MM · Cessna 525 · Engine (Turbine/Turboprop)
  > DURING FLIGHT, POS 1 STARTER GEN FAILED. CHECKLIST FOR SINGLE GEN FAILURE WAS PERFORMED & NO INDICATION OF GEN OUTPUT WAS NOTED. PIC DIVERTED FLIGHT FOR LANDING AT A CLOSER AIRPORT. DURING APPROACH FOR LANDING POS 1 ENG BEGAN TO LOSE POWER. ALL POWER ON POS
- [SDR WI5R2014032800001](https://openairdocs.org/sdr/WI5R2014032800001.md): Blade · missing · Mar 26, 2014 · Cessna 525A · Turbine Engine Compressor Section
  > DURING A BORESCOPE INSPECTION, A THIRD STAGE IP ROTOR BLADE WAS FOUND MISSING. SECONDARY DAMAGE WAS NOTED TO THE COMPRESSOR ROTOR. DISASSEMBLY CONFIRMED ONE BLADE ON THE THIRD STAGE IP ROTOR IS MISSING.
- [SDR NUVY2014031201](https://openairdocs.org/sdr/NUVY2014031201.md): Linkage · misrigged · Mar 10, 2014 · N498YY · Cessna 525 · Landing Gear Door Retract Section
  > DURING A ROUTINE LANDING GEAR CORROSION INSPECTION, THE NOSE U/C DOORS HAD CLOSED IN THE INCORRECT SEQUENCE. THIS SCENARIO HAS THE POTENTIAL OF THE NOSE GEAR DOORS FAILING TO OPEN AND THE NOSE GEAR ASSY FAILING TO EXTEND. ROOT CAUSE WAS THE THE MISRIGGING O
- [SDR NUVY2013120501](https://openairdocs.org/sdr/NUVY2013120501.md): Wire Harness · chafed · Dec 5, 2013 · N198JH · Cessna 525 · Fuel System Wiring
  > WIRING LOOM TO NR 2 FUEL PROBE IN THE FUEL TANK APPEARS TO HAVE BEEN CHAFED LEADING TO ARCING WITHIN THE FUEL TANK. WIRING LOOM WAS BEING INSPECTED AS PART OF INSPECTION DOCUMENT (ID) 10 TASK 28-11-00-220. THE DAMAGED LOOM IS IN PANEL 532BB AT WING STATION (
- [SDR WI5R2013101800001](https://openairdocs.org/sdr/WI5R2013101800001.md): Rotor · cracked · Oct 15, 2013 · Cessna 525 · Engine (Turbine/Turboprop)
  > ENGINE, SN 211176 WAS REMOVED FOR INVESTIGATION OF THE AN IP ROTOR BLADE ANOMALY. THE INVESTIGATION REVEALED A CRACK ON 1 OF THE 1ST STAGE BLADES AT THE ROOT RADIUS.
- [SDR CA131002006](https://openairdocs.org/sdr/CA131002006.md): Pcb · burned · Sep 27, 2013 · Cessna 525 · Wing System Wiring
  > (CAN) SPEEDBRAKE CIRCUIT BREAKER POPS OUT ON FINAL. SPEEDBRAKE EXTEND ANNUNCIATOR COMES ON, ON FINAL.
- [SDR WI5R201207170001](https://openairdocs.org/sdr/WI5R201207170001.md): Rotor · broken · Jul 17, 2012 · Cessna 525 · Turbine Engine Compressor Section
  > ENGINE 1537 (FROM 525-0264) WAS RETURNED TO THE REPAIR STATION FOR BROKEN IP BLADES AFTER THE CUSTOMER REPORTED VIBRATIONS, HIGHER ITT & FUEL FLOW, AND A SMALL ABNORMAL NOISE. UPON DISASSEMBLY, VISUAL INSPECTION AND FPI REVEALED THAT 2 BLADES WERE LIBERATED A
- [SDR WI5R2012071600001](https://openairdocs.org/sdr/WI5R2012071600001.md): Spinner · fractured · Jul 16, 2012 · N486TT · Cessna 525 · Engine (Turbine/Turboprop)
  > ON ENGINE, DURING CLIMB AT 94 PERCENT N1, THE PILOTS HEARD A THUMP AND A LOW PITCH NOISE. ON GROUND TROUBLESHOOTING REVEALED A MISSING SECTION OF THE SPINNER AND DAMAGE TO THE FAN, INLET AND FAN STATOR.
- [SDR FJTA2012062205252](https://openairdocs.org/sdr/FJTA2012062205252.md): Magnetic Seal · leaking · Jun 8, 2012 · N525AL · Cessna 525 · Turbine Engine Oil System
  > DURING A REPOSITION FLIGHT, IN CRUISE FLIGHT, AT FL330, LT ENGINE OIL PRESSURE STARTED GRADUALLY GOING DOWN. ELECTED TO RETURN TO DEPARTURE AIRPORT. DURING DECENT THE LT ENGINE OIL PRESSURE WARNING LIGHT ILLUMINATED. CREW FOLLOWED CHECKLIST PROCEDURES AND S
- [SDR FJT2012062205251](https://openairdocs.org/sdr/FJT2012062205251.md): Magnetic Seal · leaking · Jun 7, 2012 · N525AL · Cessna 525 · Turbine Engine Oil System
  > DURING A REPOSITION FLIGHT, CLIMBING THROUGH FL 300, LT ENGINE OIL PRESSURE LIGHT ILLUMINATED. WARNING WAS CONFIRMED ON OIL PRESSURE GAUGE. CREW FOLLOWED CHECKLIST PROCEDURES AND SHUTDOWN ENGINE. DIVERTED. DECLARED AN EMERGENCY AND LANDED WITH NO FURTHER E
- [SDR 2012FA0000172](https://openairdocs.org/sdr/2012FA0000172.md): Paddle · missing · Mar 29, 2012 · N97VF · Cessna 525 · Engine Thrust Reverser
  > PILOT REPORTED THAT THAT THE NR 1 (LT) THRUST ATTENUATOR PADDLE WAS NOT PRESENT WHEN HE PERFORMED HIS POST FLIGHT INSPECTION. INSPECTION BY MX REVEALED THAT THE THRUST ATTENUATOR PADDLE HAD BROKEN OFF IN A CIRCUMFERENCE SURROUNDING THE ATTACHMENT FASTENERS.
- [SDR CA120319006](https://openairdocs.org/sdr/CA120319006.md): Actuator · malfunctioned · Mar 5, 2012 · Cessna 525 · Landing Gear Actuator
  > (CAN) CLEARED TO FL370. PASSING FL180, ANNUNCIATORS CONCERNING THE GEAR ILLUMINATED. WE REQUESTED TO DESCEND BELOW FL180 IN ORDER TO RECYCLE THE LANDING GEAR. ATC APPROVED A BLOCK BETWEEN 17000 AND FL190. ATC ALSO ASKED IF THERE WAS AN EMERGENCY ONBOARD. W
- [SDR Z5FA082811N420CS1](https://openairdocs.org/sdr/Z5FA082811N420CS1.md): Fcu · defective · Aug 28, 2011 · N420CS · Cessna 525B · Fuel Control/Turbine Engines
  > DESCENDING OUT OF FL450 THE RT ENGINE FLAMED OUT. THE EMERGENCY CHECKLIST WAS FOLLOWED AND AN EMERGENCY WAS DECLARED WITH ATC. AT FL200 AN ENGINE AIR START GENERATOR ASSIST WAS PERFORMED IAW THE CHECKLIST AND THE ENGINE STARTED AT APPROX 16,000 FT. ENGINE PAR
- [SDR LOMA2011042201000](https://openairdocs.org/sdr/LOMA2011042201000.md): Engine · slow · Apr 22, 2011 · N547TW · Cessna 525 · Engine (Turbine/Turboprop)
  > UPON TAKE-OFF, ACFT ACCELERATION DETERMINED SLOW BY PILOT AND COPILOT. AT 80 KNOTS INDICATED, TAKEOFF ABORTED. CREW SLOWED AIRCRAFT TO STOP USING ACFT BRAKES. LT MAIN TIRE DEFLATED AT WALKING SPEED, FROM FUSE PLUG RELEASE, TIRE BEAD SEPARATED FROM WHEEL. ACFT
- [SDR TWYA30692](https://openairdocs.org/sdr/TWYA30692.md): Bulb · burned out · Jan 30, 2011 · N361TL · Cessna 525B · Landing Gear Position and Warning
  > AFTER TAKEOFF, THE PILOT NOTICED THAT THE RT LANDING GEAR DOWN AND LOCKED LIGHT WAS INOPERATIVE. IN ORDER FOR THE PILOT TO ENSURE THE GEAR WAS DOWN HE USED THE EMERGENCY EXTENSION AND DIVERTED TO THE NEAREST MAJOR AIRPORT.
- [SDR Z5FA111510N420CS1](https://openairdocs.org/sdr/Z5FA111510N420CS1.md): Fuse · open · Nov 15, 2010 · N420CS · Cessna 525B · Smoke Detection
  > AT APPROX 15000' INDICATED ALTITUDE AND 25NM FROM AIRPORT, THE BAGGAGE SMOKE ANNUNCIATOR ILLUMINATED WITH THE MASTER WARNING. CREW DECLARED AN EMERGENCY AND REQUESTED DIRECT TO AIRPORT FOR LANDING. ACFT LANDED WITHOUT INCIDENT, CLEARED RUNWAY AND EVACUATED ACF
- [SDR 2009FA0000391](https://openairdocs.org/sdr/2009FA0000391.md): Bearing · damaged · May 6, 2009 · N413CQ · Cessna 525 · Turbine Engine Accessory Drive
  > 38K FEET, AUTO PILOT COMMANDING DECENT RATE - LT ENGINE BEGAN UNCOMMANDED SPOOL DOWN. NO PRIOR INDICATIONS ON PANEL. DURING EMERGENCY SHUTDOWN PROCEDURES N1 AND N2 INDICATIONS CONFIRMED, 36K, 30K FEET SLIGHT VIBRATION FELT. AT 30K FEET VIBRATION STOPPED. IN
- [SDR 2008FA0000491](https://openairdocs.org/sdr/2008FA0000491.md): Blade · departed · Jul 9, 2008 · N678RF · Cessna 525 · Turbine Engine Compressor Section
  > DURING ROUTINE INSP, FOUND DAMAGE TO THE 1ST STAGE STATOR ASSY, UPON FURTHER INSPECTION, FOUND 1 BLADE HAD FAILED AND DEPART THE LP ROTOR ASSY CAUSING DAMAGE TO THE REST OF THE ENGINE DOWN STREAM. (K)
- [SDR Z5F2008F00002](https://openairdocs.org/sdr/Z5F2008F00002.md): Engine · leaking · Jul 4, 2008 · N418CS · Cessna 525 · Turbine Engine Oil System
  > LIGHT SMOKE IN CABIN, THEN LT ENG MADE A LOUD POPPING SOUND, LOW OIL PRESSURE ILLUMINATED AND ENGINE ROLLED BACK, SHUTDOWN IN FLIGHT. AFTER LANDING, FOUND THAT ENGINE HAD LOST OIL. (COMING OUT OF TAIL PIPE, DRAIN MAST AND SG EXHAUST). AC CURRENTLY IN MAINTE
- [SDR 110407N420CS1](https://openairdocs.org/sdr/110407N420CS1.md): Bulb · burned out · Nov 4, 2007 · N420CS · Cessna 525 · Landing Gear Position and Warning
  > DURING APPROACH CREW NOTICED NO RT GEAR DOWN INDICATION. CREW FOLLOWED EMERGENCY PROCEDURES, BLEW GEAR DOWN AND DECLARED AN EMERGENCY. AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE PERSONNEL FOUND CAUSE TO BE BURNED OUT BULB. BULB REPLACED, SYSTEM OPS CHECKE
- [SDR 111406N420CS1](https://openairdocs.org/sdr/111406N420CS1.md): Brake Assy · unknown · Nov 14, 2006 · N420CS · Cessna 525 · Brake
  > ON FINAL, THE CREW LOWERED THE GEAR AND HAD 3 GREEN AND A POWER BRAKE LOW PRESSURE ANNUNCIATOR. DO TO RUNWAY LENGTH THE CREW ELECTED TO CONTINUE WITH THE APPROACH AND LANDING. THE AIRCRAFT TOUCHED DOWN AND WAS ALLOWED TO SLOW DURING THE ROLLOUT, THE EMERGENC
- [SDR 101906N133CS1](https://openairdocs.org/sdr/101906N133CS1.md): Seal · leaking · Oct 19, 2006 · N133CS · Cessna 525 · Engine (Turbine/Turboprop)
  > AFTER TAKEOFF FROM CMH A STRONG BURNING ODOR WAS NOTICED BY THE CREW AND THERE WAS A HAZE FILLING THE CABIN. THE CREW ELECTED TO CALL ATC AND REQUEST A DIVERSION BACK TO CMH. AFTER EXPLAINING PROBLEM AIRCRAFT WAS CLEARED TO LAND. LANDING WAS NORMAL. PROBLE
- [SDR WI5R1005001](https://openairdocs.org/sdr/WI5R1005001.md): Turbine Blades · fractured · Oct 5, 2006 · N103CS · Cessna 525 · Turbine Section
  > DURING A PRE-BUY A/C INSPECTION, ENGINE SN 1903 WAS FOUND TO EXHIBIT A FRACTURED TRAILING EDGE OF HP TURBINE BLADE.
- [SDR DJFA2006293](https://openairdocs.org/sdr/DJFA2006293.md): Filter Element · clogged · Jul 25, 2006 · N248CW · Cessna 525 · Engine Fuel Distribution
  > TRIP ID NR 051570 THE CREW REPORTED THAT AFTER 1 HOUR 27 MINUTES INTO THE FLIGHT TO KGSO THE LT ENGINE FUEL FILTER BY-PASS ANNUNCIATOR ILUMINATED. THE IGNITERS AND FUEL BOOST PUMPS WERE TURNED ON AS A PRECAUTION. WITHIN APPROX 60 SECONDS, THE RT ENGINE FUEL
- [SDR CA060324001](https://openairdocs.org/sdr/CA060324001.md): Engine · failed · Mar 16, 2006 · Cessna 525 · Engine (Turbine/Turboprop)
  > DURING CLIMB-OUT, ENGINE BEGAN TO VIBRATE AND COMPRESSOR STALL. OIL PRESSURE WENT TO ZERO. PILOT PERFORMED SHUTDOWN AND RETURNED TO AIRPORT. POST FLIGHT INSPECTION OF ENGINE REVEALED METAL ON CHIP COLLECTORS AND THE SPOOLS DID NOT TURN FREELY (BEARING NOISE
- [SDR DJFA2005169](https://openairdocs.org/sdr/DJFA2005169.md): Unknown · fumes · Nov 28, 2005 · N247CW · Cessna 525 · Air Distribution System
  > THE CREW REPORTED THAT WHILE IN FLIGHT, BLEED AIR WAS LEAKING INTO THE CABIN AND CREATING NOXIOUS FUMES. MAINTENANCE RAN BOTH ENGINES WITH THE BLEED AIR SOURCE IN ALL POSSIBLE CONFIGURATIONS. NO DEFECTS WERE FOUND. THE VAPOR CYCLE SYSTEM WAS CHECKED FOR OPE
- [SDR 2005FA0001094](https://openairdocs.org/sdr/2005FA0001094.md): Line · scored · Aug 8, 2005 · N247CW · Cessna 525 · Hydraulic System, Main
  > DURING FLIGHT, THE LT AND RT HYDRAULIC LOW LEVEL LIGHTS ILLUMINATED ALONG WITH A MASTER CAUTION LIGHT. AFTER A SAFE LANDING, THE ENTIRE TAIL OF THE AIRCRAFT WAS FOUND TO BE SOAKED WITH HYDRAULIC FLUID. FURTHER INVESTIGATION FOUND THAT HYDRAULIC LINE HAD RUPT
- [SDR 2005FA0001095](https://openairdocs.org/sdr/2005FA0001095.md): Line · leaking · Aug 8, 2005 · N247CW · Cessna 525 · Hydraulic System, Main
  > DURING FLIGHT, THE LT AND RT HYDRAULIC LOW LEVEL LIGHTS ILLUMINATED ALONG WITH A MASTER CAUTION LIGHT. AFTER A SAFE LANDING, THE ENTIRE TAIL OF THE AIRCRAFT WAS FOUND TO BE SOAKED WITH HYDRAULIC FLUID. FURTHER INVESTIGATION FOUND THAT HYDRAULIC LINE HAD RUPTU

Next page: https://openairdocs.org/engine/williams-fj44-1a/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 engine_model_key = 'FJ441A'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/engine/williams-fj44-1a/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.