# Service difficulty reports: Learjet 25

A list on [Learjet 25](https://openairdocs.org/model/learjet-25.md).

Newest first. General aviation reporting is voluntary.

Page 1 of 2 · 71 reports

- [SDR HAEA201000213](https://openairdocs.org/sdr/HAEA201000213.md): Indicator · failed · Feb 1, 2010 · N265TW · Lear 25 · DME/TACAN System
  > CREW OBSERVED THE DME DISPLAY TO GO EXTREMELY BRIGHT FOLLOWED BY THE CIRCUIT BREAKER POPPING. CREW BRIEFLY NOTICED AN ELECTRICAL SMELL/SMOKE IN COCKPIT THAT WENT AWAY SHORTLY AFTER CIRCUIT BREAK POPPED. NO SPECIAL HANDLING WAS REQUESTED BY THE CREW. ACFT PRO
- [SDR KC8AN76CK](https://openairdocs.org/sdr/KC8AN76CK.md): Engine · flamed out · Jun 19, 2009 · N76CK · Lear 25 · Engine (Turbine/Turboprop)
  > LT ENGINE FLAMED OUT AT 40,000FT, DURING CRUISE IN TURBULENT AIR. PILOT DESCENDED TO A LOWER ALTITUDE AND PERFORMED A SUCCESSFUL RELIGHT OF THE ENGINE. NO ABNORMAL ENGINE PERFORMANCE ISSUES NOTED. ACFT CONTINUED TO THE INTENDED DESTINATION. THE ACFT LANDED, W
- [SDR HAEA200800205A](https://openairdocs.org/sdr/HAEA200800205A.md): Pump · failed · Nov 10, 2008 · N525TW · Lear 25 · Fuel Controlling System
  > ENGINE RPM ROLLED BACK FL430 PLUS 30 MINUTES. AIRCRAFT DESCENDED TO FL 150 AND DIVERTED TO GSP. MAINTENANCE DISCOVERED ENGINE DRIVEN FUEL PUMP FAILED. REPLACED FUEL CONTROL/FUEL PUMP ASSY. NO FURTHER DEFECTS.
- [SDR N76CK80606](https://openairdocs.org/sdr/N76CK80606.md): Engine · fod · Aug 6, 2006 · N76CK · Lear 25 · Engine (Turbine/Turboprop)
  > CREW REPORTED RT FIRE WARNING LIGHT FLICKERING WHEN POWER LEVER WAS PULLED BACK TO THE IDLE POSITION. NO SECONDARY INDICATIONS NOTED. FOUND EXHAUST CASE LEAKING AT A FLANGE BOSS. FURTHER INVESTIGATION AFTER REMOVAL OF THE EXHAUST CASE, FOUND SLIGHT TURBINE FOD
- [SDR KC8A0608001](https://openairdocs.org/sdr/KC8A0608001.md): Gasket · blown · Aug 3, 2006 · N76CK · Lear 25 · Fire Detection
  > PILOT REPORTED RT ENGINE FIRE WARNING LIGHT FLICKERING ON DESCENT WITH POWER LEVER REDUCED TO IDLE SPEED. FOUND EXHAUST CASE, CENTER BODY, UPPER RIGHT STRUT SUPPORT FLANGE GASKET BROKEN. REPLACED GASKET WITH NEW GASKET. PERFORMED ENGINE RUN UP AND LEAK-CHECK O
- [SDR HAEA200600191](https://openairdocs.org/sdr/HAEA200600191.md): Engine · power loss · Jun 27, 2006 · N147TW · Lear 25 · Engine (Turbine/Turboprop)
  > AIRCRAFT ENCOUNTERED TURBULENCE AT FL430 AND RT ENGINE LOST POWER. AIRCRAFT DESCENDED AND ENGINE REGAINED POWER AT FL250. MAINTENANCE PERFORMED POST OPERATION INSPECTION. NO VISIBLE INTERNAL/EXTERNAL DAMAGE OR FLUID LEAKAGE EVIDENT ON ENGINE OR COMPONENTS.
- [SDR KC82005F00008](https://openairdocs.org/sdr/KC82005F00008.md): Servo · defective · Nov 14, 2005 · N39CK · Lear 25 · Landing Gear Steering System
  > AFTER TAKEOFF, GEAR WAS SELECTED UP, NOSE STEERING SERVO DRIVE NOSE WHEEL 90 DEGREES. NOSE GEAR WOULD NOT RETRACT INTO THE WHEEL WELL. GEAR WAS SELECTED DOWN AND NOSE WHEEL STRAIGHTENED OUT. AIRCRAFT LANDED WITHOUT INCIDENT AND TAXIED BACK TO HANGAR. FOUND
- [SDR CED2006F00020](https://openairdocs.org/sdr/CED2006F00020.md): Indicator · defective · Oct 3, 2005 · N238CA · Lear 25 · Engine Pressure Ratio (EPR)
  > THE AIRCRAFT ABORTED TAKEOFF ROLL, THE NR 2 ENGINE WAS NOT MAKING TAKEOFF EPR. MAINTENANCE INSPECTED THE AIRCRAFT AND FOUND A DEFECTIVE EPR GAUGE. MAINTENANCE REPLACED THE DEFECTIVE GAUGE. (K)
- [SDR CED2006F00018](https://openairdocs.org/sdr/CED2006F00018.md): Insulator · dirty · Aug 21, 2005 · N273CA · Lear 25 · Fire Protection System Wiring
  > WHILE DESCENDING THROUGH FL 220 FOR APPROACH INTO AIRPORT, THE NR2 FIRE LIGHT CAME ON MOMENTARILY. IMMEDIATELY REDUCED THE RT THRUST LEVER TO IDLE. MAINTENANCE INSPECTED AIRCRAFT AND FOUND BAD FIRE LOOP CONNECTION. (K)
- [SDR CED2006F00010](https://openairdocs.org/sdr/CED2006F00010.md): Engine · malfunctioned · Aug 21, 2005 · N238CA · Lear 25 · Engine (Turbine/Turboprop)
  > HAD TO ABORT THE TAKEOFF WHILE ATTEMPTING TO DEPART. THE REASON FOR THE ABORT WAS THAT THE NR 2 ENGINE WOULD NOT PRODUCE TAKEOFF FOR THE CONDITIONS. MAINTENANCE CHECKED AIRCRAFT AND FOUND IT TO MAKE TAKEOFF EPR ON PERFORMANCE RUN. (K)
- [SDR CED2006F00023](https://openairdocs.org/sdr/CED2006F00023.md): Engine · malfunctioned · Jul 21, 2005 · N238CA · Lear 25 · Engine (Turbine/Turboprop)
  > ON TAKEOFF ROLL, THE NR 2 ENGINE WOULD NEVER PRODUCE TAKEOFF. THE CREW ABORTED TAKEOFF ROLL AND EXITED THE RUNWAY. MAINTENANCE INSPECTED THE AIRCRAFT AND FOUND NO DEFECTS. ALL ENGINE PARAMETERS WERE WITHIN NORMAL LIMITATIONS. (K)
- [SDR 6242004N238CA](https://openairdocs.org/sdr/6242004N238CA.md): Fire Loop · out of position · Jun 24, 2005 · N238CA · Lear 25 · Fire Detection
  > ON DECENT, THE FLIGHT CREW RECEIVED INDICATION OF FIRE IN THE NR1 ENGINE. THE FLIGHT CREW PERFORMED THE CHECKLIST AND COULD NOT CANCEL THE FIRE LIGHT. THE FLIGHT CREW THEN DECLARED AN EMERGENCY AND LANDED WITHOUT INCIDENT. MAINTENANCE CREW INSPECTED THE AIR
- [SDR CED2006F00014](https://openairdocs.org/sdr/CED2006F00014.md): Element · false indication · May 19, 2005 · N273CA · Lear 25 · Fire Detection
  > AFTER TAKEOFF AT FLIGHT LEVEL 220, THE CREW OBSERVED A FIRE INDICATION LIGHT ON THE NR 1 ENGINE. THE FLIGHT CREW FOLLOWED STANDARD EMERGENCY PROCEDURES AND RETURNED TO DEPARTURE WITHOUT FURTHER INCIDENT. ONCE BACK, MAINTENANCE FOUND THE FIRE LOOP ELEMENT TOU
- [SDR KC82005F00003](https://openairdocs.org/sdr/KC82005F00003.md): Squat Switch · failed · Jan 24, 2005 · N39CK · Lear 25 · Landing Gear Position and Warning
  > AFTER TAKEOFF, THE LANDING GEAR FAILED TO RETRACT. PILOT RETURNED TO DEPARTURE. FOUND LT MAIN GEAR SQUAT SWITCH FROZEN AND THE INTERNAL MICRO SWITCHES REMAINED IN THE GROUND MODE. REPLACED SQUAT SWITCH WITH NEW SQUAT SWITCH. ALL WORK PERFORMED IAW SRM. (K)
- [SDR CED2004F00002](https://openairdocs.org/sdr/CED2004F00002.md): Fire Detector · malfunctioned · May 19, 2004 · N273CA · Lear 25 · Fire Detection
  > AFTER TAKEOFF AT FLIGHT LEVEL 220 THE CREW OBSERVED A FIRE INDICATION LIGHT ON THE NR 1 ENGINE. THE FLIGHT CREW FOLLOWED STARNDARD EMERGENCY PROCEDURES AND RETURNED WITHOUT FURTHER INCIDENT. ONCE BACK IN MAINTENANCE FOUND THE FIRELOOP ELEMENT TOUCHING THE CO
- [SDR 00140](https://openairdocs.org/sdr/00140.md): Engine · flamed out · May 14, 2004 · N147TW · Lear 25 · Engine (Turbine/Turboprop)
  > PILOT REPORTED LT ENGINE FLAMED OUT AT FL430 IN SEVERE TURBULANCE ON TRIP FROM HKS TO LRD. ENGINE RELET NORMALLY AT FL 250. CONTINUED TRIP TO LRD. MAINTENANCE PERFORMED INSPECTION IN ACCORDANCE WITH GE M/M 77-00. AIRCRAFT RETURNED TO SERVICE.
- [SDR X5E2003F00000](https://openairdocs.org/sdr/X5E2003F00000.md): Windshield · failed · Sep 15, 2003 · N999MF · Lear 25 · Flight Compartment Windows
  > LEFT WINDSHIELD WAS REPLACED WITH A PMA PART ON 12/8/1999. ON 7/3/2001 A BLISTER/ BUBBLE HAD FORMED IN THE INNER PLY AND WAS POLISHED OUT BY THE WINDOW MANUFACTURER. ON 9/3/2003 THE WINDSHIELD BEGAN TO BLISTER IN THE SAME AREA WITH SEVERAL DEFECTS EXTENDING
- [SDR 9903N76CK](https://openairdocs.org/sdr/9903N76CK.md): Starter Gen · vibration · Sep 10, 2003 · N76CK · Lear 25 · Starter-Generator
  > AIRCRAFT DEVELOPED VIBRATION. REPLACED LT STARTER GENERATOR WITH SERVICEABLE REPAIRED UNIT, GROUND OPERATIONAL CHECK GOOD. NO RECOMMENDATION FOR PREVENTION.
- [SDR 00111](https://openairdocs.org/sdr/00111.md): Controller · inoperative · Sep 10, 2003 · N525TW · Lear 25 · Cabin Pressure Controller
  > PILOT REPORTED PRESSURIZATION PROBLEMS CABIN ALTITUDE INCREASING WITH ALTITUDE, RETURN TO DEPARTURE AIRPORT. WILL UPDATE REPORT AFTER MAINTENANCE. REMOVED AND REPLACED CABIN ALT CONTROLLER. AIRCRAFT RETURN TO SERVICE.
- [SDR 00106](https://openairdocs.org/sdr/00106.md): Transducer · malfunctioned · Aug 25, 2003 · N147TW · Lear 25 · Stall Warning System
  > PILOT REPORTED AT V1 NOSE OF AIRCRAFT OSCILATED UP AND DOWN, ABORTED TAKEOFF. AIRCRAFT WENT INTO OVERRUN AREA, NO DAMAGE TO AIRCRAFT OR AIRPORT. TAXIED BACK TO RAMP. MAINTENANCE INSPECTED NOSE STRUT AND HORIZONTAL STAB AND ELEVATOR CONTROL SYSTEM, NO DEFECT
- [SDR 2003F00265](https://openairdocs.org/sdr/2003F00265.md): Hose · damaged · Mar 29, 2003 · N273CA · Lear 25 · Engine Air Intake System
  > THE AIRCRAFT EXPERIENCED A FLAME OUT ON THE NR 1 ENGINE AT FL400. ENGINE RESTARTED AT FL250, THE AIRCRAFT ARRIVED IN PHX WITHOUT FURTHER INCIDENT. ENGINE INSPECTED FOR FOD. NONE FOUND. INSPECTED ENGINE PER CJ610 M/M. FOUND ASPIRATOR HOSE BAD. REPLACED HO
- [SDR 00127](https://openairdocs.org/sdr/00127.md): Gyro · malfunctioned · Jan 7, 2003 · N147TW · Lear 25 · Attitude Gyro and Indicating System
  > PILOT REPORTED AFTER DEPARTING ADS THE CO-PILOTS HIS FLAGGED, RETURN TO ADS FOR MAINTENANCE, HEADING FLAG ON CO-PILOT HIS OPERATES NORMAL,FOUND BAD CONNECTION AT THE DG REMOVED AND REPLACED DG. OPS CHECK NORMAL.
- [SDR KC82002F00005](https://openairdocs.org/sdr/KC82002F00005.md): Gasket · misinstalled · Oct 23, 2002 · N39CK · Lear 25 · Aircraft Fuel Filter/Strainer
  > THE LEFT AIRCRAFT LOW PRESSURE FUEL LIGHT CAME ON AS THE ENGINES WERE POWERED UP. TROUBLE SHOT LEFT FUEL SYSTEM AND FOUND THAT THE LOW PRESSURE FUEL FILTER GASKETS THAT ARE ATTACHED TO THE FILTER WERE NOT GLUED EVENLY ON THE ENTIRE SURFACE. THIS IN TURN MADE
- [SDR EA11200202951](https://openairdocs.org/sdr/EA11200202951.md): Indicator · malfunctioned · Oct 22, 2002 · N25EC · Lear 25 · Engine Thrust Reverser
  > RT THRUST REVERSER ILLUMINTED IN FLIGHT, SYSTEM OPERATED CORRECTLY IWA MFG MM. VISUAL INSPECTION REVEALED STICKY LATCHES AND DEFECTIVE T/R ACCUMULATOR. AWAITING FINAL FIX AND RETURN TO SERVICE. REMOVED AND REPLACED ACCUMUALTOR AND INDICATOR GAUGE. LATCHES
- [SDR ECA2002F00002](https://openairdocs.org/sdr/ECA2002F00002.md): Accumulator · leaking · Oct 1, 2002 · N25EC · Lear 25 · Engine Thrust Reverser
  > RT THRUST REVERSER ARM LIGHT ILLUMINATED IN FLIGHT ON LEG NR 2. A/C RETURNED TO BASE. GROUND OPS CHECK WAS PERFORMED, SYSTEM WAS OPERATING CORRECTLY IAW MM. VISUAL INSP REVEALED FOLLOWING: LATCHES WERE STICKY AND REQUIRED CLEANING AND LUBRICATION. T/R SY
- [SDR CED2002F00000](https://openairdocs.org/sdr/CED2002F00000.md): Regulator · cracked · Sep 5, 2002 · N273CA · Lear 25 · Hydraulic System, Main
  > AIRCRAFT WAS ENROUTE, LOST HYDRAULIC PRESSURE. AIRCRAFT DIVERTED, MAINTENANCE FOUND HYDRAULIC PRESSURE REGULATOR LEAKING. THE VALVE BODY WAS CRACKED AT ONE OF THE BORES. THE TIME ON THE VALVE WAS APPROX 3 HOURS SINCE REPAIR.
- [SDR 00034](https://openairdocs.org/sdr/00034.md): Engine · flamed out · Jul 11, 2002 · N525TW · Lear 25 · Engine (Turbine/Turboprop)
  > AIRCRAFT EN ROUTE FROM ADDISON TX TO WINDSOR CANADA RT ENGINE FLAME-OUT CLIMBING FROM 390 TO 410. RESTART NORMAL, CLIMB BACK TO 410 AND CONTINUED TRIP. PILOT INSPECTED ENGINE FOR FOD DAMAGE AT DESTINATION, NO DAMAGE FOUND. AIRCRAFT MOVED TO MAINTENANCE BASE
- [SDR 00029](https://openairdocs.org/sdr/00029.md): Engine · flamed out · May 29, 2002 · N525TW · Lear 25 · Engine (Turbine/Turboprop)
  > ACFT ROUTE FROM FNT TO ADS CLIMBING THROUGH FL398 FOR FL430 RT ENGINE FLAME-OUT, REQUEST LOWER ALT FL260. ENGINE RESTARTED AND CLIMB BACK TO FL390 PROCEEDED TO ADS. MAINTENANCE AT ADS PERFORMED FLAME-OUT INSPECTION PER THE GE M/M AND PERFORMED ENGINES RUNS,
- [SDR 00017](https://openairdocs.org/sdr/00017.md): Squat Switch · out of adjust · Apr 19, 2002 · N525TW · Lear 25 · Landing Gear Position and Warning
  > AIRCRAFT DEPARTED YIP, SELECTED GEAR UP, MAIN GEAR DOOR RED LIGHTS STAYED ON. RETURNED TO DEPARTURE AIRPORT. MAINTENANCE FOUND RT SQUAT SWITCH OUT OF ADJUSTMENT, ADJUSTED SWITCH AND PERFORMED GEAR SWINGS, AIRCRAFT RETURNED TO SERVICE.
- [SDR ECA2002F00001](https://openairdocs.org/sdr/ECA2002F00001.md): Seal · torn · Apr 1, 2002 · N25EC · Lear 25 · Passenger/Crew Doors
  > CABIN ALTITUDE REACHED 10,000 FT MAXIMUM AIRFLOW WAS APPLIED AND CABIN WAS RESTORED. DECENT FOLLOWED WITH FLOW ON UNTIL 1500 FT PRIOR TO LANDING. REQUIRED MAX AIRFLOW TO MAINTAIN CABIN PRESSURE. MAINTENANCE PERFORMED GROUND TEST OF CABIN PRESSURIZATION SYST
- [SDR ECA2002F00000](https://openairdocs.org/sdr/ECA2002F00000.md): Seal · torn · Apr 1, 2002 · N25EC · Lear 25 · Passenger/Crew Doors
  > CABIN ALTITUDE REACHED 10,000 FT MAX., AIRFLOW WAS APPLIED AND CABIN WAS RESTORED. DECENT FOLLOWED WITH FLOW ON UNTIL 1500 FT PRIOR TO LANDING. REQUIRED MAX AIRFLOW TO MAINTAIN CABIN PRESSURE. MAINTENANCE PERFORMED GROUND TEST OF CABIN PRESSURIZATION SYSTEM
- [SDR 8292001N39CK](https://openairdocs.org/sdr/8292001N39CK.md): Switch · failed · Aug 31, 2001 · N39CK · Lear 25 · Landing Gear Position and Warning
  > LANDING GEAR WOULD NOT RETRACT. AIRCRAFT RETURNED TO AIRPORT. UNEVENTFUL LANDING ACCOMPLISHED. REPLACED RIGHT MAIN GEAR TRUNNION SWITCH WITH NEW AND ADJUSTED IN ACCORDANCE WITH THE SAME.
- [SDR BSY2001F00014](https://openairdocs.org/sdr/BSY2001F00014.md): Engine · flamed out · Jul 19, 2001 · N121EL · Lear 25 · Engine (Turbine/Turboprop)
  > AIRCRAFT WAS AT FL 440 CLIMBING ABOVE SOME STORMS, RIGHT ENGINE FLAMED OUT DUE TO HEAVY TURBULENCE WHICH CAUSED INTERRUPTION OF AIR INTO INLET. AIRCRAFT DESCENDED TO LOWER ALTITUDE, RELIGHT OF ENGINE ACCOMPLISHED. THIS ENGINE HAS HAD NO FLAME-OUT PROBLEMS, O
- [SDR 60701N28CK](https://openairdocs.org/sdr/60701N28CK.md): Switch · defective · Jun 8, 2001 · N28CK · Lear 25 · Landing Gear Retraction/Extension System
  > AIRCRAFT HYDRAULIC PRESSURE FLUCTUATES. FOUND RIGHT M.L.G. TRUNNION SWITCH OUT OF RIG CAUSING INBOARD GEAR DOORS TO CYCLE SEVERAL TIMES DURING RETRACTION. ADJUSTED RIGHT M.L.G. TRUNNION SWITCH AND PERFORMED GEAR RETRACTIONS PER THE LEARJET SERVICE MANUAL. O
- [SDR 20010525CW003](https://openairdocs.org/sdr/20010525CW003.md): Engine · flamed out · May 7, 2001 · N222B · Lear 25 · Engine (Turbine/Turboprop)
  > RIGHT HAND ENGINE FLAMED OUT DURING MAX ACCELERATION CHECK. ENGINE WAS RESTARTED AND UNEVENTFUL LANDING ACCOMPLISHED. COMPLIED WITH LEARJET SSK959 REPLACEMENT OF CJ610-6 ENGINE EXHAUST NOZZLE KIT. SATISFACTORYILY COMPLIED WITH ALTITUDE ACCELERATION CHECK AF
- [SDR 2401N813JW](https://openairdocs.org/sdr/2401N813JW.md): Squat Switch · inoperative · Feb 6, 2001 · N813JW · Lear 25 · Landing Gear Position and Warning
  > LANDING GEAR WOULD NOT RETRAACT. AIRCRAFT RETURNED TO BASE. REPLACED RT SQUAT SWITCH WITH NEW. OPERATIONAL CHECK OF LANDING GEAR EXTENSION AND RETRACTION SYSTEM PERFORMED SATISFACTORY.
- [SDR 20010312CW016](https://openairdocs.org/sdr/20010312CW016.md): Connector · damaged · Jan 24, 2001 · N39CK · Lear 25 · Landing Gear Selector
  > LANDING GEAR WOULD NOT EXTEND NORMALLY. PERFORMED EMERGENCY GEAR EXTENSION. UNEVENTFULL LANDING ACCOMPLISHED. REPLACED LOOSE SOCKET AT GEAR SELECTOR SWITCH CONNECTOR J115. OPERATIONAL CHECK OF LANDING GEAR EXTENSION AND RETRACTION SYSTEM PERFORMED SATISFAC
- [SDR 20010112SG033](https://openairdocs.org/sdr/20010112SG033.md): Element · chafed · Oct 31, 2000 · N25EC · Lear 25 · Fire Detection
  > PILOT REPORTED RIGHT ENGINE FIRE LIGHT ILLUMINATED ON THE APPROACH TO FRG. INSPECTED AND TROUBLESHOT. FOUND FIRE LOOP ELEMENT ON THE RIGHT ENGINE CHAFING ON THE COWLING. REPLACED FIRE LOOP ASSEMBLY. (M)
- [SDR 20001025SH023](https://openairdocs.org/sdr/20001025SH023.md): Exciter · failed · Sep 25, 2000 · N25FM · Lear 25 · Exciter
  > MWD - ON START, LEFT ENGINE WOULD NOT START. FOUND IGNITION EXCITER NOT FIRING TOP OR BOTTOM IGNITER PLUGS. (X)
- [SDR 99ZZZX4416](https://openairdocs.org/sdr/99ZZZX4416.md): Actator · leaking · Nov 18, 1999 · N45BK · Lear 25 · Landing Gear Actuator
  > AIRCRAFT WAS ON FINAL APPROACH TO LAND WHEN GEAR WAS SELECTED DOWN. CREW REALIZED NO HYDRAULIC PRESSURE. DECLARED AN EMERGENCY. BLEW THE GEAR DOWN. LANDED WITHOUT INCIDENT. LOCAL MAINTENANCE DETERMINED WHEN GEAR WAS RETRACTED, HYDRAULIC FLUID LEAKED PAST
- [SDR 99ZZZX4247](https://openairdocs.org/sdr/99ZZZX4247.md): Engine · flamed out · Oct 30, 1999 · N800GG · Lear 25 · Engine (Turbine/Turboprop)
  > DURING CLIMB-OUT, THE LEFT ENGINE EXPERIENCED A FLAME OUT. THE FLIGHT CREW SAID THEY HEARD A POP AND EXPERIENCED ENGINE INDICATIONS ON THE LEFT ENGINE ROLL BACK. THEY DESCENDED AND PROCEEDED TO COMPLETE EMERGENCY AND NORMAL CHECK LISTS. THEY CONCLUDED THE FL
- [SDR 99ZZZX3511](https://openairdocs.org/sdr/99ZZZX3511.md): Tire · failed · Aug 23, 1999 · N39CK · Lear 25 · Tire
  > THREE MAIN WHEEL TIRES BLEW ON LANDING. REPLACED ALL MAIN WHEEL AND BRAKE ASSEMBLIES WITH SERVICEABLE UNITS. FUNCTIONAL CHECK OF ANTI-SKID SYSTEM AND PARKING BRAKE SYSTEM RIGGING CHECKED IAW THE LEARJET 25 SM. SYSTEMS CHECKED NORMAL AT THIS TIME.
- [SDR 99ZZZX3059](https://openairdocs.org/sdr/99ZZZX3059.md): Bracket · damaged · Jul 23, 1999 · N25EC · Lear 25 · Landing Gear Position and Warning
  > NOSE WHEEL UNSAFE LIGHT REMAINED ILLUMINATED AFTER LANDING GEAR WAS SECURED UP. AIRCRAFT RETURNED TO FRG. LANDING GEAR SELECTED DOWN AND SHOWED SAFE. AIRCRAFT MADE AN UNEVENTFUL LANDING. INSPECTED AND FOUND NOSE GEAR UP AND LOCKED SWITCH BRACKET WAS BENT A
- [SDR 99ZZZX2967](https://openairdocs.org/sdr/99ZZZX2967.md): Actuator · leaking · Jul 22, 1999 · N28CK · Lear 25 · Landing Gear Door Actuator
  > AIRCRAFT LOST HYDRAULIC PRESSURE. RIGHT HAND INBOARD GEAR DOOR ACTUATOR LEAKING HYDRAULIC FLUID. REPLACED RIGHT INBOARD GEAR DOOR ACTUATOR WITH SERVICEABLE UNIT IAW LEARJET MODEL 25 SM. REPLACED BOTH ENGINE DRIVEN HYDRAULIC PUMPS AS A PRECAUTIONARY MEASURE.
- [SDR 99ZZZX2269](https://openairdocs.org/sdr/99ZZZX2269.md): Brake · failed · May 14, 1999 · N39CK · Lear 25 · Brake Anti-Skid Section
  > ANTI-SKID FAILED TO CYCLE ON TOUCH DOWN. REPLACED ALL MAIN WHEEL AND BRAKE ASSEMBLIES WITH SERVICEABLE UNITS. REPLACED THE ANTI-SKID TRANSDUCERS WITH SERVICEABLE UNITS. PERFORMED FUNCTIONAL CHECK OF ANTI-SKID SYSTEM IAW THE LEAR 25 SM. NO RECOMMENATION FOR
- [SDR 99ZZZX1360](https://openairdocs.org/sdr/99ZZZX1360.md): O Ring · leaking · Mar 1, 1999 · N500JS · Lear 25 · Engine Fuel Distribution
  > WHILE EN ROUTE, FLIGHT CREW NOTICED LT RPM FLUCTUATION. ADJUSTMENT OF POWER LEVER ONLY REDUCED RPM. ENGINE POWER WAS LOST. CREW ELECTED TO DIVERT TO TYS AND AN UNEVENTFUL LANDING WAS MADE. MAINTENANCE FOUND A FUEL LEAK AT A DEFECTIVE O-RING FITTING ON THE
- [SDR 99ZZZM131](https://openairdocs.org/sdr/99ZZZM131.md): Blower · failed · Jan 3, 1999 · N20HJ · Lear 25 · Air Distribution Fan
  > AFTER DEPARTURE FROM BCT, CREW NOTICED ELECTRICAL BURNING ODOR IN COCKPIT/CABIN. DIVERTED TO FXE. FOUND COCKPIT AIRCONDITIONING BLOWER FAN DISTORTED AND JAMMED AGAINST HOUSING. CAUSE UNKNOWN. (M)
- [SDR 98ZZZX4619](https://openairdocs.org/sdr/98ZZZX4619.md): Seal · damaged · Nov 10, 1998 · N813JW · Lear 25 · Engine Oil Distribution (Airframe Furnished)
  > WHILE EN ROUTE TO YIPSILANTI, THE RT OIL PRESSURE WAS DECREASING FOLLOWED BY RT GENERATOR FAILURE. A PRECAUTIONARY ENGINE SHUT DOWN WAS MADE AND AIRCRAFT DIVERTED TO ANOTHER AIRPORT WHERE AN UNEVENTFUL LANDING WAS MADE. OIL LEVEL WAS FOUND TO BE LOW DUE TO A
- [SDR 99ZZZX784](https://openairdocs.org/sdr/99ZZZX784.md): Battery Pack · discharged · Nov 5, 1998 · Lear 25 · Emergency Lighting
  > EMERGENCY BATTERY PACK DISCHARGED.
- [SDR 98ZZZM906](https://openairdocs.org/sdr/98ZZZM906.md): Ignitor Box · failed · Oct 17, 1998 · N20HJ · Lear 25 · Exciter
  > RIGHT ENGINE FLAMED OUT AT FL 400, DESCENDED BELOW FL 250, ATTEMPTED RESTART 3 TIMES, SECURED ENGINE LANDED ILM. FOUND IGNITOR BOX. INOP, REPLACED IGNITOR BOX GROUND RUN/POWER RUN NORMAL. UNABLE TO DETERMINE CAUSE OF FLAME OUT AT THIS TIME.

Next page: https://openairdocs.org/model/learjet-25/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 = '25'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/model/learjet-25/reports

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