# Service difficulty reports: Textron 525C

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

Newest first. General aviation reporting is voluntary.

Page 1 of 3 · 117 reports

- [SDR QREA202610140007](https://openairdocs.org/sdr/QREA202610140007.md): Alternator · overheated · Oct 7, 2026 · N5JM · Cessna 525C · AC Generator-Alternator
  > RIGHT AC GENERATOR FAILED IN FLIGHT WHICH CAUSED RH WINDSHEILD HEAT FAIL. AIRCRAFT WAS ENROUTE TO TXKF OCEANING FLIGHT FROM KHPN. EXITED ICING CONDITIONS AND RETURNED TO BASE AT KDXR
- [SDR L4OA202609300216](https://openairdocs.org/sdr/L4OA202609300216.md): Outflow Valve · mismanufactured · Sep 30, 2026 · N295N · Cessna 525C · Pressure Regulator/Outflow Valve
  > TEXTRON ALERTED US THAT THE OUTFLOW VALVES ON SOME OF THEIR NEW DELIVERIES WERE PRODUCED BY A VENDOR WITH AN UNCERTIFIED TOOL. THE AFFECTED PARTS WERE ON 2 PLANES THAT WE HAVE TAKEN DELIVERY OF BUT NOT YET ON OUR 135 CERTIFICATE. THESE PARTS WERE ALSO ON 2 OTH
- [SDR 2026FA0000013](https://openairdocs.org/sdr/2026FA0000013.md): Ground Stud · loose · Jan 9, 2026 · N67DZ · Cessna 525C · Electrical Power System Wiring
  > RIGHT GENERATOR TAKES 100% OF THE LOAD ONCE IN CRUISE. IF CUSTOMER TURNS OFF THE RT GENERATOR IN FLT, THE LT GENERATOR TAKES THE LOAD WITH NO ISSUES. IF HE TURNS THE RT GEN BACK ONLINE, IT PARALLELS, THEN EVENTUALLY BACK TO THE 100% AMP SPLIT WITH THE RT GENER
- [SDR 2025FA0000590](https://openairdocs.org/sdr/2025FA0000590.md): Window Frame · corroded · Aug 29, 2025 · N6NY · Cessna 525C · Fuselage Main, Structure
  > DURING COMPLIANCE WITH SB525C-56-01 CORROSION FOUND ON ALL WINDSHIELD FRAMES AND SURROUNDING STRUCTURE REQUIRING REPLACEMENT OF ALL COCKPIT WINDSHIELD FRAMES AND ATTACHING SKINS.
- [SDR WI5R2025063000437](https://openairdocs.org/sdr/WI5R2025063000437.md): Compressor · damaged · Jun 27, 2025 · N503TF · Cessna 525C · Turbine Engine Compressor Section
  > ENGINE MODEL FJ44-4A, S/N 211135, FROM AIRCRAFT N503TF), WAS RETURNED TO THE REPAIR STATION FOR UNSCHEDULED REPAIR. OPERATOR STATED HE DETECTED A BLEED ODOR DURING CLIMB, PROMPTING A RETURN TO AIRPORT. LANDING UNEVENTFUL. TROUBLESHOT ISSUE WITH TECH, REPORTE
- [SDR 2025F00140](https://openairdocs.org/sdr/2025F00140.md): Line · ruptured · Jun 5, 2025 · Cessna 525C · Engine Bleed Air System
  > DURING INITIAL CLIMB OUT PASSING 22,000 FEET THE TAILCONE BLEED LEAK CAS ILLUMINATED. PILOTS RAN THE CHECKLIST AND WITH BLEED AIR SOURCE SELECTED TO LEFT ONLY THE CAS EXTINGUISHED. PILOTS LEFT THE SOURCE TO LEFT FOR REMAINDER OF FLIGHT AND LIGHT STAYED OFF.
- [SDR 2025FA0000378](https://openairdocs.org/sdr/2025FA0000378.md): Elec Connector · unsecure · May 8, 2025 · N824NE · Cessna 525C · Flight Control System Wiring
  > DURING CLIMB, WITH AUTOPILOT ENGAGED, CREW WAS ALERTED TO A RT WING OVERTEMP MESSAGE, FOLLOWED BY AUTOPILOT DOING UNCOMMANDED LT & RT ROLLS RAPIDLY, AUTOPILOT DISENGAGED BY CREW & THE ACFT FLOWN BY HAND. CREW NOTED THAT THE AILERON TRIM INDICATED FULL LT DEFL
- [SDR 2025FA0000316](https://openairdocs.org/sdr/2025FA0000316.md): Bearing · seized · Apr 25, 2025 · N417NE · Cessna 525C · Fuselage, Landing Gear Attach Fittings
  > AIRCRAFT WAS IN MAINTENANCE TO HAVE THE MAIN LANDING GEAR TRUNNION PIVOT BEARINGS LUBRICATED. DURING THIS MAINTENANCE IT WAS NOTED THAT THE RIGHT FORWARD TRUNNION PIVOT BEARING WOULD NOT EXCEPT GREASE AND THE TRUNNION PIVOT PIN RETAINING BOLT APPEARED TO BE SH
- [SDR 2025F00084](https://openairdocs.org/sdr/2025F00084.md): Bearing · corroded · Mar 31, 2025 · N623NE · Cessna 525C · Fuselage, Landing Gear Attach Fittings
  > AIRCRAFT 525C-0448 WAS BROUGHT TO TEXTRON MCO SERVICE CENTER FOR ROUTINE SCHEDULED MAINTENANCE AND TO ACCOMPLISH L/R FORWARD MLG TRUNNION INSPECTION. MAKING SURE THE BEARINGS GET LUBED AND VERIFY THEY ARE NOT SEIZED UP. THE CUSTOMER ALSO OWNS 525C-0447 WHICH H
- [SDR 2025FA0000223](https://openairdocs.org/sdr/2025FA0000223.md): Bearing · binding · Mar 31, 2025 · N824NE · Cessna 525C · Wing, Landing Gear Attach Fittings
  > CUSTOMER NOTES: AFTER SELECTING THE GEAR DOWN, THE LEFT MAIN GEAR DID NOT GO GREEN, AND THE RED UNSAFE LIGHT STAYED ILLUMINATED. THIS HAPPENED WHILE ON APPROACH TO LAND, CREW THEN RETRACTED THE FLAPS TO DO A GO AROUND AND SHORTLY AFTER RETRACTING THE FLAPS THE
- [SDR 2025FA0000219](https://openairdocs.org/sdr/2025FA0000219.md): Bearing · seized · Mar 28, 2025 · N623NE · Cessna 525C · Fuselage, Landing Gear Attach Fittings
  > AIRCRAFT WAS IN MAINTENANCE TO HAVE THE MAIN LANDING GEAR INSPECTED DUE TO PRIOR ISSUES NOTED ON OUR OTHER AIRCRAFT. PER OUR REQUEST, AIRCRAFT WAS PLACED ON JACKS AND THE LANDING GEAR WAS CYCLED TO SEE IF THERE WERE ANY ISSUES, IE; BINDING OR NOISES COMING FRO
- [SDR 2025FA0000212](https://openairdocs.org/sdr/2025FA0000212.md): Bearing · seized · Mar 26, 2025 · N824NE · Cessna 525C · Fuselage, Landing Gear Attach Fittings
  > ON APPROACH FOR LANDING THE CREW SELECTED GEAR DOWN, THE NOSE AND THE RIGHT MAIN GEAR EXTENDED AND THERE WERE GREEN DOWN AND LOCKED INDICATIONS. THE LEFT MAIN EXTENDED BUT THE CREW DID NOT SEE A GREEN DOWN AND LOCKED INDICATION, INSTEAD THEY HAD A RED GEAR UNS
- [SDR 9JLA20250325001](https://openairdocs.org/sdr/9JLA20250325001.md): Indication Sys · failed · Mar 21, 2025 · N409CJ · Cessna 525C · Landing Gear Position and Warning
  > MOVED GEAR LEVER TO DOWN POSITION WITH NO INDICATION.
- [SDR 2025FA0000209](https://openairdocs.org/sdr/2025FA0000209.md): Bearing · seized · Mar 1, 2025 · N68NE · Cessna 525C · Fuselage, Landing Gear Attach Fittings
  > AIRCRAFT WAS IN MAINTENANCE TO HAVE THE MAIN LANDING GEAR ACTUATORS REPLACED DUE TO REACHING THEIR LIFE LIMIT. DURING THIS MAINTENANCE IT WAS NOTED THAT BOTH MAIN LANDING GEAR FORWARD TRUNNION PIVOT BEARINGS WERE SEIZED WHICH CAUSED RESISTANCE/BINDING WHEN RET
- [SDR 2025FA0000208](https://openairdocs.org/sdr/2025FA0000208.md): Bearing · seized · Feb 24, 2025 · N423NE · Cessna 525C · Fuselage, Landing Gear Attach Fittings
  > AIRCRAFT WAS IN MAINTENANCE TO HAVE THE MAIN LANDING GEAR ACTUATORS REPLACED DUE TO REACHING THEIR LIFE LIMIT. DURING THIS MAINTENANCE IT WAS NOTED THAT BOTH MAIN LANDING GEAR FORWARD TRUNNION PIVOT BEARINGS WERE SEIZED WHICH CAUSED RESISTANCE/BINDING WHEN RET
- [SDR 2024FA0000526](https://openairdocs.org/sdr/2024FA0000526.md): Start Button · deactivated · Jun 20, 2024 · N417NE · Cessna 525C · Engine Controls
  > FLIGHT CREW REPORTED THAT THE RIGHT ENGINE SHUTDOWN DURING THEIR TAKEOFF ROLL. CREW ABORTED THEIR TAKEOFF AND TAXIED THE AIRCRAFT BACK TO A LOCATION TO FURTHER EVALUATE THE RIGHT ENGINE'S CONDITION. CREW CONTACTED JET OUT'S MAINTENANCE DEPARTMENT, IT WAS THEN
- [SDR 2024FA0000215](https://openairdocs.org/sdr/2024FA0000215.md): Bearing · failed · Mar 11, 2024 · N687JL · Cessna 525C · AC Generator-Alternator
  > ALTERNATOR P/N 9914777-2 HAD A MAIN BEARING FAIL. THIS IS AN ON CONDITION PART WITH NO INSPECTION OR OVERHAUL LIMITS. ALTERNATOR LASTED ONLY 1615 HOURS BEFORE FAILURE OF THE MAIN BEARING. THE MAIN BEARING CAME APART UNDER NORMAL OPERATING CONDITIONS AND CAUSED
- [SDR 9PMA2023092600568](https://openairdocs.org/sdr/9PMA2023092600568.md): Buss · false indication · Aug 3, 2023 · N59JN · Cessna 525C · Instrument Panel
  > ON CLIMB OUT, DCU A, DCU B, AP PITCH CONTROL FAIL, IFIS MISCOMPARE AND AP FAIL. UPON ARRIVAL OF MX NO FAULT WAS FOUND. GAINED ACCESS TO THE FAULT HISTORY AND VERIFIED THERE WAS A DCU CHANNEL B FAULT IN THE AIR WITH A FDR-1 MODULES BUS INOP MESSAGE PRESEN
- [SDR 2023F00114](https://openairdocs.org/sdr/2023F00114.md): Engine · unknown · Apr 14, 2023 · N46NE · Cessna 525C · Engine Oil Indicating System
  > OIL PRESURE LOW R EICAS MESSAGE ON DEPARTURE FROM NEW YORK STEWART INTERNATIONAL AIRPORT (KSWF). FLIGHT DIVERTED BACK TO KSWF FOR A PRECAUTIONARY LANDING. RETURN FLIGHT, LANDING AND TAXI WERE UNEVENTFUL.
- [SDR 2023FA0000157](https://openairdocs.org/sdr/2023FA0000157.md): Actuator · dragging · Mar 22, 2023 · N6NY · Cessna 525C · Rudder Control System
  > NOTICEABLE YAWING WITH SMALL DISPLACEMENT BUMPS LEFT & RIGHT WITH AUTOPILOT ON OR OFF. INSPECTION FOUND RUDDER BIAS ACTUATORS DRAGGING AND SEALS NEEDED CLEANED AND LUBRICATED.
- [SDR 2022FA0000321](https://openairdocs.org/sdr/2022FA0000321.md): None · none · Jun 30, 2022 · N335F · Cessna 525C · Pitot/Static System
  > EFIS MISCOMPARE AFTER TAKEOFF. RESULTING IN ERRONEOUS AIRSPEEDS AND ALTITUDES ON BOTH PFD’S AND STBY FD. EMERGENCY DECLARED DUE TO UNKOWN ALTITUDES AND RETURNED TO AUS. UPON INSPECTION FOUND MUD DAUBER NEST IN ALL STATIC PORTS. CONTACTED DUNCAN AVIATION FOR PU
- [SDR 2021F00371](https://openairdocs.org/sdr/2021F00371.md): Switch · active · Dec 28, 2021 · N581HC · Cessna 525C · Engine Fuel and Control
  > EN ROUTE TO LAS FROM SLC WITH THE PATIENT ON BOARD. LEVELED OFF FL230 AND A MINUTE LATER THE FUEL PRESSURE LOW L INDICATOR CAME ON. WE (DAVID HALE AND SIC RICK JONES) FOLLOWED THE CHECKLIST WITH THE USE OF THE L STANDBY BOOST PUMP AND RETURNED TO SLC.”
- [SDR 2021FA0000359](https://openairdocs.org/sdr/2021FA0000359.md): None · none · Dec 6, 2021 · N21NE · Cessna 525C · Engine Oil Indicating System
  > PILOT NOTED HIGH OIL PRESSURE ON #2 ENGINE WITH INSTRUMENT READING 150 PSI AND RED IN COLOR WITH NO OTHER INDICATION OF ANY OTHER PROBLEMS. PILOT RETARDED #2 THROTTLE TO IDLE WITH NO CHANGE IN OIL PRESSURE READING AND APPROX 2.5 MINUTES LATER THE PILOT SHUTDOW
- [SDR 2021F00216](https://openairdocs.org/sdr/2021F00216.md): Alternator · failed · Sep 23, 2021 · N525EZ · Cessna 525C · AC Generator-Alternator
  > LEFT AC ALTERNATOR BEARING FAIL-CAS MESSAGE SAID PRIMARY BEARING FAIL THIS ITEM WAS RECEIVED FROM OVERHAUL WITH OVERHEATING EVIDENCE STILL APPARENT VIA THE BROWN TINT ON THE PAINT ON THE CASE DIRECTLY FROM CESSNA. SOMEONE NEEDS TO CONTACT PACIFIC SCIENTIFIC
- [SDR 2021FA0000200](https://openairdocs.org/sdr/2021FA0000200.md): Smoke Detector · false indication · Jul 7, 2021 · N335F · Cessna 525C · Smoke Detection
  > PILOT REPORTED SMOKE DETECTION WARNING INDICATION IN CRUISE, DIVERTED TO KHOU AND CONTACTED TEXTRON AVIATION. UPON INSPECTION CAME TO THE CONCLUSION THAT THE EXCESSIVE MOISTURE AND FOG PRESENT GAVE THE DETECTOR A FALSE INDICATION. NO DEFECTS NOTED AND AIRCRAFT
- [SDR 4LSA2021052402081](https://openairdocs.org/sdr/4LSA2021052402081.md): Engine · failed · May 24, 2021 · N601JL · Cessna 525C · Engine (Turbine/Turboprop)
  > DURING TAKEOFF CLIMB OUT OF FLYING CLOUD AIRPORT (FCM), THE FLIGHT CREW HEARD A METAL GRINDING NOISE FOLLOWED BY HIGH INLET TURBINE TEMPERATURE (ITT) INDICATION AND A OIL FILTER BYPASS INDICATION FOR THE RIGHT ENGINE. FLIGHT CREW ELECTED TO SHUT RIGHT HAND ENG
- [SDR 2021FA0000389](https://openairdocs.org/sdr/2021FA0000389.md): None · inoperative · May 11, 2021 · N438TA · Cessna 525C · Weather Radar System
  > PILOT REPORTS WEATHER RADAR FAULT IS PRESENT. COMPLIED WITH R&R OF WEATHER RADAR. OPS CHECKED OK. AIRCRAFT OK FOR RTS.
- [SDR 2021FA0000080](https://openairdocs.org/sdr/2021FA0000080.md): Generator · burned · Mar 10, 2021 · N1886 · Cessna 525C · AC Generator-Alternator
  > REMOVED RH ENGINE AUX GENERATOR (AC ALTERNATOR) P/N 9914777-2 (94495-1), S/N 128 DUE TO WINDING RESIN MELTING FROM ALTERNATOR, RESIN SLINGING FROM INTERNAL FAN AND BEARING DRAG. UNIT REMOVED WITH 231.2HRS/144 LANDINGS SINCE OVERHAUL. PREVIOUS ALTERNATOR FAILUR
- [SDR AMCR20210318002](https://openairdocs.org/sdr/AMCR20210318002.md): Alternator · melted · Mar 9, 2021 · N257DV · Cessna 525C · AC Generation System
  > BEFORE FLIGHT, ON INITIAL ENGINE RUNS, IT WAS NOTICED THAT THE LEFT ALTERNATOR FAIL CAS MESSAGE WAS ILLUMINATED. UPON INSPECTION THE CREW REPORTED SMELLING SMOKE FUMES.THE ALTERNATOR WAS REMOVED AND REVEALED THAT AN INTERNAL SHORT HAD OCCURRED CAUSING THE FAIL
- [SDR 2021FA0000381](https://openairdocs.org/sdr/2021FA0000381.md): Tire · worn · Jan 14, 2021 · N335F · Cessna 525C · Wheel/Ski/Float
  > PILOT REPORTS TIRE IS WORN AND REQUIRES REPLACEMENT. COMPLIED WITH R&R OF TIRE. AIRCRAFT OK FOR RTS.
- [SDR 2020FA0000550](https://openairdocs.org/sdr/2020FA0000550.md): Battery · failed · Dec 14, 2020 · N59JN · Cessna 525C · Battery/Charger System
  > PILOT REPORTS ON START UP BATTERY VOLTAGE DROPPED BELOW MINIMUM REQUIRMENTS FOR PROPER START. UPON FURTHER INSPECTION FOUND MAIN SHIP BATTERY TO BE INOPERABLE. COMPLIED WITH REPLACMENT OF MAIN SHIP BATTERY. OPERATIONS CHECKED GOOD AND AIRCRAFT WAS OK FOR RE
- [SDR WI5R2020101400001](https://openairdocs.org/sdr/WI5R2020101400001.md): Rotor · damaged · Oct 14, 2020 · N81RC · Cessna 525C · Turbine Engine Compressor Section
  > AIRCRAFT OPERATOR REPORTED THE NR 1 ENGINE ON N81RC (525C-0217) MADE AN UNUSUAL NOISE DURING ENGINE SPOOL-DOWN. OPERATOR REPORTED NO ENGINE OPERATIONAL ISSUES, SYMPTOMS, OR OTHER ANOMALIES DURING THE PREVIOUS FLIGHT. DURING A SUBSEQUENT BORESCOPE INSPECTION
- [SDR WI5R2020100100001](https://openairdocs.org/sdr/WI5R2020100100001.md): Rotor · damaged · Sep 29, 2020 · N159WG · Cessna 525C · Turbine Engine Compressor Section
  > FLIGHT CREW OF N159WG (525C-0216) REPORTED THAT ITT HAS GRADUALLY INCREASED ON RT ENGINE SERIAL NUMBER 211444 OVER THE PAST THREE MONTHS, RECENTLY TOUCHING THE RED BAND OF THE ITT DISPLAY DURING TAKEOFF. SUBSEQUENT BORESCOPE INSPECTION REVEALED DAMAGE TO HIGH
- [SDR 2020FA0000543](https://openairdocs.org/sdr/2020FA0000543.md): Strut · inoperative · Sep 24, 2020 · N438TA · Cessna 525C · Passenger Compartment Equipment
  > PILOT REPORTS HE COULD NOT OPERATE NUMBER 3 PASSENGER SEAT RECLINE. AFTER FURTHER INSPECTION FOUND NUMBER 3 SEAT RECLINE STRUT TO BE INOPERABLE. COMPLIED WITH REPLACEMENT OF NUMBER 3 SEAT RECLINE STRUT. PASSENGER SEAT OPERATIONS CHECKED GOOD, AIRCRAFT OK FO
- [SDR WI5R2020082400002](https://openairdocs.org/sdr/WI5R2020082400002.md): Rotor · damaged · Aug 21, 2020 · N313GL · Cessna 525C · Turbine Engine Compressor Section
  > REVIEW OF HISTORICAL, ROUTINE FADEC DOWNLOADS PERFORMED BY THE ENGINE MANUFACTURER REVEALED A SLIGHT SHIFT IN INTER-TURBINE TEMPERATURE (ITT), OCCURRING APPROXIMATELY 25 HOURS PRIOR TO THE MOST-RECENT FADEC DOWNLOAD PERFORMED DURING A ROUTINE CHECK 1 & CHECK 2
- [SDR WI5R2020082400001](https://openairdocs.org/sdr/WI5R2020082400001.md): Rotor · damaged · Aug 21, 2020 · N313GL · Cessna 525C · Turbine Engine Compressor Section
  > REVIEW OF HISTORICAL, ROUTINE FADEC DOWNLOADS PERFORMED BY THE ENGINE MANUFACTURER REVEALED A SLIGHT SHIFT IN INTER-TURBINE TEMPERATURE (ITT), OCCURRING APPROXIMATELY 25 HOURS PRIOR TO THE MOST-RECENT FADEC DOWNLOAD PERFORMED DURING A ROUTINE CHECK 1 & CHECK 2
- [SDR 2020FA0000541](https://openairdocs.org/sdr/2020FA0000541.md): Pcb · inoperative · Aug 12, 2020 · N59JN · Cessna 525C · Light System Wiring
  > PILOT REPORTS ALL BACK LIGHTING ON RIGHT HAND SIDE OF COCKPIT WILL NOT TURN ON. UPON FURTHER INSPECTION FOUND PILOTS SIDE PRINTED CIRCUIT BOARD WAS INOPERABLE. REPLACED PILOTS SIDE PRINTED CIRCUIT BOARD. OPERATIONS CHECKED GOOD AIRCRAFT OK FOR RETURN TO SER
- [SDR AMCR20200727021](https://openairdocs.org/sdr/AMCR20200727021.md): Alternator · shorted · Jul 22, 2020 · N257DV · Cessna 525C · AC Generator-Alternator
  > UPON TAXI TO HOME BASE HANGAR, CREW REPORTED A AMBER RH ALTERNATOR FAIL CAS MESSAGE. GROUND CREW SAW WHITE SMOKE COMING FROM RH ENGINE COWL. AN INSPECTION REVEALED THE AC ALTERNATOR HAD INTERNALLY SHORTED AND MELTED SOME OF ITS WINDINGS. PROCEDURES FOR CESSNA
- [SDR WI5R2020070800001](https://openairdocs.org/sdr/WI5R2020070800001.md): Compressor Blade · damaged · Jul 8, 2020 · N2250G · Cessna 525C · Turbine Engine Compressor Section
  > FOLLOWING INCORPORATION OF SERVICE BULLETIN FJ44-72-127 (1ST LOW PRESSURE TURBINE NOZZLE UPGRADE) ON ENGINE, POST-MAINTENANCE VIBRATION SURVEY GROUND RUNS REVEALED N1 SPOOL VIBRATION LEVELS ABOVE LINE MAINTENANCE MANUAL LIMITS. ATTEMPTS TO TRIM-BALANCE THE EN
- [SDR WI5R202005270002](https://openairdocs.org/sdr/WI5R202005270002.md): Rotor · fractured · May 22, 2020 · Cessna 525C · Turbine Engine Compressor Section
  > CUSTOMER REPORTED AN UNUSUAL NOISE DURING THROTTLE TRANSITION TO POWER. ALL ENGINE INDICATIONS WERE NORMAL. ON-WING BORESCOPE INSPECTION OF LEFT-HAND ENGINE SERIAL NUMBER (ESN) 211417 REVEALED DAMAGE TO 3RD-STAGE INTERMEDIATE COMPRESSOR ROTOR BLADES AND ONE
- [SDR WI5R2020032000000](https://openairdocs.org/sdr/WI5R2020032000000.md): Rotor · damaged · Mar 18, 2020 · N888KJ · Cessna 525C · Turbine Engine Compressor Section
  > DURING INITIAL TAKEOFF ROLL, PILOT NOTED RUMBLING NOISE AND A SHUDDER IN THE FOOT PEDALS WITH NO ABNORMAL INSTRUMENT INDICATIONS. PILOT ABORTED TAKEOFF AND RETURNED TO RUNWAY END. PILOT ATTEMPTED SECOND TAKEOFF WITH NORMAL ENGINE INDICATIONS. AT 1,200 FEET,
- [SDR WI5R202003060001](https://openairdocs.org/sdr/WI5R202003060001.md): Rotor · fractured · Mar 5, 2020 · Cessna 525C · Turbine Engine Compressor Section
  > SUBSEQUENT TO THE 1ST LPT NOZZLE FIELD REPLACEMENT FOR SERVICE BULLETIN FJ44-72-127, THE ENGINE DID NOT PASS THE REQUIRED VIBRATION SURVEY FOR 1E LP. BORESCOPE INSPECTION REVEALED A MISSING 3RD STAGE IP ROTOR BLADE AND A DAMAGED HPC ROTOR. DISASSEMBLY OF THE
- [SDR WI5R20200203001](https://openairdocs.org/sdr/WI5R20200203001.md): Rotor · fractured · Feb 3, 2020 · Cessna 525C · Turbine Engine Compressor Section
  > DURING POST FDU SWAP RUN ON THE ENGINE, TECHNICIANS HEARD A "BANG", FOLLOWED BY BLACK SMOKE FROM THE EXHAUST, NO INDICATION FLUCTUATIONS WERE NOTED. THE SUPPORTING SERVICE CENTER PERFORMED BORESCOPE INSPECTION AND FOUND MISSING 3RD STAGE IP ROTOR BLADE. DIS
- [SDR WI5R20200117001](https://openairdocs.org/sdr/WI5R20200117001.md): Rotor · fractured · Jan 16, 2020 · N523HV · Cessna 525C · Turbine Engine Compressor Section
  > DURING OPERATION, A LOUD BANG AND INCREASE IN ITT WERE OBSERVED. FIELD BORESCOPE INVESTIGATION IDENTIFIED SEVERAL MISSING 3RD STAGE IP ROTOR BLADES. DISASSEMBLY OF THE ENGINE CONFIRMED THAT FIVE OF THE 3RD STAGE IPC ROTOR BLADES WERE MISSING.
- [SDR WI5R20200110001](https://openairdocs.org/sdr/WI5R20200110001.md): Rotor · fractured · Jan 10, 2020 · N544TX · Cessna 525C · Turbine Engine Compressor Section
  > DURING FIELD TROUBLESHOOTING FOR A REPORTED ENGINE VIBRATION, BORESCOPE INSPECTION REVEALED POTENTIAL IP BLADE LIBERATION. DISASSEMBLY OF THE ENGINE CONFIRMED THAT ONE OF THE 3RD STAGE IPC ROTOR BLADES WAS MISSING.
- [SDR WI5R20200108001](https://openairdocs.org/sdr/WI5R20200108001.md): Rotor · fractured · Jan 7, 2020 · N787EP · Cessna 525C · Turbine Engine Compressor Section
  > DURING FIELD BORESCOPE INSPECTION FOR N1 LAG AND ITT INCREASE AT T.O., A 3RD STAGE IP ROTOR BLADE WAS DISCOVERED MISSING. DISASSEMBLY OF THE ENGINE CONFIRMED THAT ONE OF THE 3RD STAGE IPC ROTOR BLADES WAS MISSING.
- [SDR WI5R20191219001](https://openairdocs.org/sdr/WI5R20191219001.md): Rotor · fractured · Dec 19, 2019 · N414KU · Cessna 525C · Turbine Engine Compressor Section
  > DURING TAKEOFF AND CLIMB, SPARKS WERE REPORTED COMING FROM THE TAILPIPE. FIELD BORESCOPE INVESTIGATION IDENTIFIED A MISSING 3RD STAGE IP ROTOR BLADE. DISASSEMBLY OF THE ENGINE CONFIRMED THAT THREE OF THE 3RD STAGE IPC ROTOR BLADES WERE MISSING.
- [SDR WI5R201910190001](https://openairdocs.org/sdr/WI5R201910190001.md): Blade · fractured · Oct 17, 2019 · N910SS · Cessna 525C · Turbine Engine Compressor Section
  > TREND DATA INDICATED A ABRUPT SHIFT IN ITT AND N2 PARAMETERS. FIELD BORESCOPE INVESTIGATION IDENTIFIED A MISSING 3RD STAGE IP ROTOR BLADE. DISASSEMBLY OF THE ENGINE CONFIRMED THAT ONE OF THE 3RD STAGE IPC ROTOR BLADES WAS MISSING. THE ROTOR (P/N 119345 S/
- [SDR WI5R2019082200001](https://openairdocs.org/sdr/WI5R2019082200001.md): Blade · fractured · Aug 21, 2019 · N267JL · Cessna 525C · Turbine Engine Compressor Section
  > WHILE TROUBLE SHOOTING FOR A REPORTED UNUSUAL VIBRATION IN FLIGHT, A BORESCOPE INSPECTION DISCOVERED A MISSING 3RD STAGE IP ROTOR BLADE. DISASSEMBLY OF THE ENGINE CONFIRMED THAT ONE OF THE 3RD STAGE IPC ROTOR BLADES WAS MISSING.
- [SDR WI5R2019080100001](https://openairdocs.org/sdr/WI5R2019080100001.md): Blade · fractured · Aug 1, 2019 · N881CW · Cessna 525C · Turbine Engine Compressor Section
  > WHILE TROUBLE SHOOTING FOR ITT AND N2 SPLITS WITH THE SISTER ENGINE, A BORESCOPE INSPECTION FOUND DAMAGE AND A MISSING 3RD STAGE IP ROTOR BLADE. DISASSEMBLY OF THE ENGINE REVEALED THAT ONE OF THE 3RD STAGE IPC ROTOR BLADES WAS MISSING.

Next page: https://openairdocs.org/model/textron-525c/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 = '525C'
ORDER BY difficulty_date DESC
```

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

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