# Service difficulty reports: Gates Learjet 25D

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

Newest first. General aviation reporting is voluntary.

Page 1 of 2 · 71 reports

- [SDR SUZA121010001](https://openairdocs.org/sdr/SUZA121010001.md): Display · defective · Oct 10, 2012 · N444P · Lear 25D · Central Display
  > AT APPROX 2310Z, NOTICED THE DIGITS ON THE DME BEGAN TO FLICKER THEN NOTICED THE DISPLAY WENT BLANK AFTER ABOUT 30 SECONDS. SMELLED AND SAW LIGHT SMOKE. THE SMELL BECAME STRONGER, SHUT DOWN ALL ELECTRICAL COMPONENTS AND SQUAWKED 7700 ON HIS TRANSPONDER AND P
- [SDR SUZA20120501001](https://openairdocs.org/sdr/SUZA20120501001.md): Pressure System · malfunctioned · Apr 27, 2012 · N4447P · Lear 25D · Cabin Pressure Control System
  > ON 4/27/2012 AT ABOUT 12:00PM EASTERN STANDARD TIME, THE PILOT PULLED THE POWER BACK TO DESCEND FROM FLIGHT LEVEL 430 AND THE CABIN ALTITUDE BEGAN TO CLIMB. THE PILOT THEN SLOWED RATE OF DESCENT AND INTRODUCED MORE THROTTLE, BUT THE CABIN ALTITUDE STILL ROSE.
- [SDR ZP7A2010F00117](https://openairdocs.org/sdr/ZP7A2010F00117.md): Engine · bird ingestion · May 26, 2010 · N25PW · Lear 25D · Engine (Turbine/Turboprop)
  > BIRD WAS INGESTED INTO LEFT ENGINE JUST AFTER V-1. ENGINE FLAMED OUT, TAKE OFF WAS CONTINUED TO A SAFE ALTITUDE. CREW DECLARED AN EMERGENCY ON CTAF AND RETURNED FOR LANDING. AIRCRAFT LANDED SAFELY, ALL PASSENGERS AND CREWMEMBERS WERE SAFE, NO INJURIES. D
- [SDR 2007FA0000835](https://openairdocs.org/sdr/2007FA0000835.md): Adjuster · damaged · Aug 2, 2007 · Lear 25D · Drag Control System
  > UPON VISUAL INSPECTION OF THE POWER BRAKE VALVE PN 60810741-804, SN 9711105, IT WAS FOUND THAT THE ADJUSTMENT SCREW HAD BEEN GROUND DOWN AND MODIFIED. AS WE BEGAN TO LOOK THROUGH SB 23/24/25-32-12 AND FOUND THAT THIS UNIT PN WAS NOT IN THIS SB. WE THEN FOUN
- [SDR CJP2006F00000](https://openairdocs.org/sdr/CJP2006F00000.md): Ball Joint · out of adjust · Nov 17, 2006 · N600GM · Lear 25D · Power Lever
  > NR 1 ENGINE FLAMED OUT WHEN THROTTLED TO IDLE FOR DESCENT. ENGINE WAS SUCCESSFULLY AIR STARTED. UPON LANDING THROTTLES WERE RETARDED AND NR 1 ENGINE FLAMED OUT AGAIN. MAINTENANCE PERSONNEL INSPECTED ENGINE INSTALLATION AND RE-RIGGED NR 1 ENGINE AIRCRAFT THR
- [SDR 7032005N213CA](https://openairdocs.org/sdr/7032005N213CA.md): Hose · kinked · Jul 3, 2005 · N213CA · Lear 25D · Engine Fuel Distribution
  > ENROUTE, UPON THE AIRCRAFT REACHING ITS ASSIGNED LEVEL OF FL 430 POWER WAS REDUCED FOR CRUISE AND THE NR 2 ENGINE QUIT. AIRCRAFT DESCENDED TO FL 250 AND THE ENGINE WAS RESTARTED. THE AIRCRAFT LANDED WITHOUT FURTHER PROBLEMS. (K)
- [SDR KC82005F00004](https://openairdocs.org/sdr/KC82005F00004.md): Starter Gen · vibration · Nov 18, 2004 · N248CK · Lear 25D · Starter-Generator
  > CREW FELT VIBRATION IN AIRCRAFT DURING CRUISE FLIGHT. FOUND RT STARTER GEN WAS CAUSING VIBRATION. REPLACED STARTER GEN WITH REPAIRED ASSEMBLY. PERFORMED ENGINE RUNS AND GENERATOR OPERATIONAL CHECKS IAW MM. (K)
- [SDR 4020](https://openairdocs.org/sdr/4020.md): Warning Light · illuminated · Aug 13, 2004 · N228SW · Lear 25D · Fire Detection
  > ON APPROACH INTO CLT RIGHT ENGINE FIRE LIGHT CAME ON, FIRST STARTED FLICKERING THEN CAME ON STEADY. REDUCED POWER LIGHT WENT OUT, THEN CAME BACK ON AND STAYED ON. SHUT DOWN ENGINE AND BLEW BOTH BOTTLES.
- [SDR 4019](https://openairdocs.org/sdr/4019.md): Warning Light · illuminated · Aug 13, 2004 · N228SW · Lear 25D · Fire Detection
  > ON APPROACH INTO CLT RIGHT ENGINE FIRE LIGHT CAME ON, FIRST STARTED FLICKERING THEN CAME ON STEADY. REDUCED POWER LIGHT WENT OUT, THEN CAME BACK ON AND STAYED ON. SHUT DOWN ENGINE AND BLEW BOTH BOTTLES.
- [SDR YDB2004FBBB](https://openairdocs.org/sdr/YDB2004FBBB.md): Tube · unserviceable · Jul 21, 2004 · N4488W · Lear 25D · Landing Gear Brake System
  > PILOT REPORTED BRAKES WERE VERY WEAK ON LANDING ROLL OUT. FOUND LARGE AMOUNT OF HYDRAULIC FLUID ON AFT PORTION OF AIRCRAFT BELLY. T/S AND FOUND LT ENGINE HYDRAULIC PRESSURE LINE LEAKING AT SUPPORT CLAMP IN TAIL COMPARTMENT. ADEL SUPPORT CLAMP RUBBER CUSHION
- [SDR KC82004F00000](https://openairdocs.org/sdr/KC82004F00000.md): Line · failed · Jan 12, 2004 · N75CK · Lear 25D · Hydraulic System, Main
  > COMPLETE HYDRAULIC FAILURE OF THE NORMAL SYSTEM AFTER GEAR EXTENSION. AUXILIARY SYSTEM WORKED NORMALLY. FOUND HYDRAULIC LINE FROM LT ENGINE DRIVEN HYDRAULIC PUMP IN TAILCONE CHAFED THRU AND LEAKING. REPLACED LINE, SERVICED HYDRAULIC SYSTEM, AND PERFORMED LE
- [SDR 2003006](https://openairdocs.org/sdr/2003006.md): Engine · malfunctioned · Dec 17, 2003 · N947TC · Lear 25D · Engine (Turbine/Turboprop)
  > DURING FLT AT APPROXIMATELY 2:00 AM, AIRCRAFT WAS ENROUTE WHEN THE PILOT NOTICED THAT THE LT ENGINE OIL PRESSURE WAS DECREASING. THE PILOT ALSO NOTICED THAT THE LT EGT WAS CLIMBING. THE PILOT ELECTED TO SHUT DOWN THE LT ENGINE AND RETURN AT THIS TIME. NO EM
- [SDR 2004F00015](https://openairdocs.org/sdr/2004F00015.md): Rivet · loose · Nov 19, 2003 · N213CA · Lear 25D · Nacelle/Pylon, Main Frame
  > AIRCRAFT WAS EN ROUTE FROM BUFFALO, NY TO PONTIAC, MI AND GOT AN INDICATION OF A FIRE ON THE NR 2 ENGINE. PILOT DECLARED AN EMERGENCY AND LANDED AT MTC SELFRIDGE AFB. UPON RECOVERY INSPECTION IT WAS FOUND THAT A FIRE LOOP CLIP HAD CAME LOOSE AND GROUNDED THE
- [SDR 2004F00033](https://openairdocs.org/sdr/2004F00033.md): Lamp · burned out · Sep 2, 2003 · N41H · Lear 25D · Landing Gear Position and Warning
  > ON FINAL APPROACH INTO ROCHESTER, NY, THE FLIGHT CREW NOTICED THE GREEN NOSE GEAR LIGHT WAS NOT ILLUMINATED. AFTER DETERMINING THE LIGHT WAS BURNED OUT AND THE NOSE GEAR WAS DOWN AND LOCKED, THE FILGHT CREW PROCEEDED TO LAND WITHOUT INCIDENT. (M)
- [SDR 081903](https://openairdocs.org/sdr/081903.md): Switch · out of rig · Aug 13, 2003 · N9QM · Lear 25D · Landing Gear Position and Warning
  > AFTER DEPARTURE THE GEAR WOULD NOT RETRACT, THE AIRCRAFT RETURNED TO THE AIRPORT WITHOUT AN INCIDENT. AFTER INVESTIGATION, THE LEFT GEAR DOOR SWITCH WAS OUT OF RIG. THE SWITCH WAS RIGGED AND GEAR WAS FUNCTION CHECKED. THE AIRCRAFT WAS RETURNED TO SERVICE.
- [SDR 2003FA0001156](https://openairdocs.org/sdr/2003FA0001156.md): Starter · vibration · Jul 11, 2003 · N99NJ · Lear 25D · Engine Starter
  > WHILE IN CRUISE FLIGHT AT 370, THE FLIGHT CREW HEARD TWO FLUTTERING VIBRATION SOUNDS. THE VIBRATION NOISES BECAME LOUDER AND LOUDER. ADJUSTING THE THROTTLE ISOLATED THE VIBRATION TO THE NR 1 ENGINE. THE PILOTS DESCENDED TO FL 250 AND SHUT DOWN THE NR 1 ENGI
- [SDR 071403](https://openairdocs.org/sdr/071403.md): Actuator · inoperative · Jul 10, 2003 · N9QM · Lear 25D · Landing Gear Actuator
  > AIRCRAFT UPON LANDING DID NOT HAVE A LEFT GREEN LIGHT DOWN AND LOCKED. AFTER THE AIRCRAFT LANDED, MAINTENANCE DETERMINED THAT THE LEFT ACTUATOR WAS THE PROBLEM, THE PART WAS REPLACED AND THE AIRCRAFT WAS RETURNED TO SERVICE.
- [SDR CJP2003F00003](https://openairdocs.org/sdr/CJP2003F00003.md): Anti-Skid Sys · out of tolerance · Jun 19, 2003 · N727CS · Lear 25D · Brake Anti-Skid Section
  > FLIGHT CREW REPORTED DISPROPORTIONED BRAKE (EFFECTIVENESS) ON LANDING, AT LOW SPEED. REMOVED AND REPLACED ANTI-SKID PRESSURE CONTROL VALVE WITH SERVICEABLE VALVE. TEST TAXI WAS PERFORMED BY SAME FLIGHT CREW AND BRAKES OPERATION WAS NORMAL.
- [SDR KC82003F00000](https://openairdocs.org/sdr/KC82003F00000.md): Case · warped · Jan 31, 2003 · N75CK · Lear 25D · Engine Collector/Tailpipe/Nozzle
  > FOUND EXHAUST CASE FORWARD FLANGE WARPED CAUSING EXHAUST LEAKAGE AND A FALSE FIRE WARNING. REPLACED EXHAUST CASE WITH OVERHAULED CASE SN GGM1158. TESTED FIRE LOOP SYSTEM IAW MFG MM. GROUND RUN AND LEAK CHECKED EXHAUST CASE. ALL WORK PERFORMED IAW SEI186 A
- [SDR ESUA116360](https://openairdocs.org/sdr/ESUA116360.md): Line · loose · Sep 13, 2002 · N81AX · Lear 25D · Hydraulic System, Main
  > PILOT DECLARED AN EMERGENCY ON APPROACH, IT WAS DISCOVERED THAT THE HYDRAULIC PRESSURE INDICATED (0). THE GEAR WAS ABLE TO BE PLACED IN THE DOWN AND LOCKED POSITION WITH NO EMERGENCY PROCEDURES. AIRCRAFT LANDED ON 13L. THE AIRCRAFT WAS STOPPED ON THE RUNWAY
- [SDR 091302](https://openairdocs.org/sdr/091302.md): Hydraulic Line · loose · Sep 13, 2002 · N81AX · Lear 25D · Hydraulic System, Main
  > PILOT DECLARED AN EMERGENCY ON APPROACH INTO DALLAS LOVE FIELD. IT WAS DISCOVERED THAT THE HYDRAULIC PRESSURE INDICATED O. THE GEAR WAS ABLE TO BE PLACED IN THE DOWN AND LOCKED POSITION WITH NO EMERGENCY PROCEDURES. THE AIRCRAFT WAS STOPPED ON THE RUNWAY BY
- [SDR ESY2002F00000](https://openairdocs.org/sdr/ESY2002F00000.md): Engine · failed · Aug 15, 2002 · N947TC · Lear 25D · Engine (Turbine/Turboprop)
  > FIFTEEN MINUTES AFTER TAKE-OFF, EXPERIENCED FAILURE OF RT ENGINE, WHILE CLIMBING, LEAVING, EVERYTHING WAS NORMAL. NO PREVIOUS ENG ABNORMALITY HAD BEEN NOTED. AT APPROX 20,000 FEET, HEARD LOUD BANG AND EXPERIENCED VIBRATIONS FROM RT ENGINE. ENGINE LOST POWE
- [SDR CJP2002F00002](https://openairdocs.org/sdr/CJP2002F00002.md): Connector · contaminated · Jul 1, 2002 · N600GM · Lear 25D · Fire Detection
  > NR 2 ENGINE FIRE WARNING LIGHT CAME ON IN FLIGHT. AIRCRAFT LANDED AFTER NR 2 ENGINE WAS SHUTDOWN IN FLIGHT AS A PRECAUTION. MAINTENANCE PERSONNEL DISCONNECTED, CLEANED AND RECONNECTED FIRE LOOP PLUG ASSEMBLY AND FIRE DETECT TEST WAS NORMAL, AIRCRAFT RETURNED
- [SDR CJP2002F00001](https://openairdocs.org/sdr/CJP2002F00001.md): Connector · contaminated · Jul 1, 2002 · N600GM · Lear 25D · Fire Detection
  > NR 2 ENGINE FIRE WARNING LIGHT CAME N IN FLIGHT. AIRCRAFT LANDED AFTER NR 2 ENGINE WAS SHUTDOWN IN FLIGHT AS A PRECAUTION. MAINTENANCE PERSONNEL DISCONNECTED, CLEANED AND RECONNECTED, CLEANED AND RECONNECTED FIRE LOOP CONNECTOR ASSY AND FIRE DETECT TEST WAS
- [SDR KC82002F00002](https://openairdocs.org/sdr/KC82002F00002.md): Hydraulic Line · cracked · Jun 19, 2002 · N95CK · Lear 25D · Hydraulic System, Main
  > AIRCRAFT LOST HYDRAULIC PRESSURE AFTER CREW SELECTED THE GEAR DOWN. THE GEAR HAD 3 GREEN DOWN AND LOCKED INDICATIONS AND 2 RED UNSAFE INDICATIONS. THE AIRCRAFT MADE AN UNEVENTFUL LANDING. MAINTENANCE FOUND HYDRAULIC LINE CRACKED UNDERNEATH ATTACHING ADEL CL
- [SDR KC82002F00001](https://openairdocs.org/sdr/KC82002F00001.md): Filter · dirty · May 30, 2002 · N95CK · Lear 25D · Air Distribution System
  > CABIN WOULD NOT PRESSURIZE. CLEANED PRESSURIZATION JET PUMP FILTER. PERFORMED GROUND PRESSURIZATION CHECK PER MFG MM. AIRCRAF TEST FLOWN AND FOUND SATISFACTORY.
- [SDR IKM2002F00001](https://openairdocs.org/sdr/IKM2002F00001.md): Wheel · cracked · Apr 5, 2002 · N347JV · Lear 25D · Wheel/Ski/Float
  > WHEEL, CRACKED, BEAD SEAL AREA.
- [SDR KC82002F00000](https://openairdocs.org/sdr/KC82002F00000.md): Connector · loose · Feb 13, 2002 · N95CK · Lear 25D · Elevator Tab Control System
  > PRIMARY PITCH TRIM WILL NOT PITCH UP. TIGHTENED LOOSE CONNECTOR PLUG AT TWO SPEED TRIM BOX AND RE-SAFTIED. FUNCTIONAL CHECK OF TRIM SYSTEM COMPLIED WITH PER MFG MM.
- [SDR IY22002F00000](https://openairdocs.org/sdr/IY22002F00000.md): Structure · corroded · Dec 13, 2001 · N972H · Lear 25D · Wing Main, Frame Structure
  > DURING PREPARATION OF AIRCRAFT FOR PAINT, CORROSION WAS FOUND ON THE TOP OF THE LEFT WING BETWEEN WING STATIONS 125.00 TO 181.10 AND SPAR NR 5 TO 8 UNDER A RAISED BACK COVER. THE CORROSION IS AS MUCH AS.044 INCHES DEEP. WHEN THE COVER WAS REMOVED, NUMEROUS
- [SDR CJP2001F00000](https://openairdocs.org/sdr/CJP2001F00000.md): Hydraulic Line · chafed · Jun 22, 2001 · N600GM · Lear 25D · Hydraulic System, Main
  > TUBE ASSEMBLY WAS FOUND CHAFED DURING A SCHEDULED INSPECTION OF HYDRAULIC PLUMBING IN TAILCONE. THE TUBE ASSEMBLY WAS REPLACED WITH A NEW TUBE ASSEMBLY. AIRCRAFT HAS HAD AFFECTED TUBE ASSEMBLY PREVIOUSLY REPLACED BY COMPLIANCE WITH SB 25-336. TUBE ASSEMBLYS
- [SDR 20010613CW001](https://openairdocs.org/sdr/20010613CW001.md): Diode · failed · May 22, 2001 · N321GL · Lear 25D · Trailing Edge Flap Control System
  > FLAP CIRCUIT BREAKER POPS WHEN FLAPS ARE SELECTED DOWN. CORRECTIVE ACTION: FOUND DIODE ON TB-28 IN RIGHT MAIN LANDING GEAR. WHEEL WELL SHORTED. INSTALLED NEW DIODE. PROBABLE FAILURE RELATED TO DIODE AND PC BOARD BEING EXPOSED TO ALL WEATHER ELEMENTS, CO
- [SDR 20010529CW009](https://openairdocs.org/sdr/20010529CW009.md): Control Box · malfunctioned · May 10, 2001 · N800RF · Lear 25D · Fire Detection
  > RIGHT ENGINE FIRE LIGHT ON IN FLIGHT. TROUBLESHOOTING PER MM. ALL CIRCUITS TESTED GOOD. REPLACED FIRE DETECT CONTROL BOX.
- [SDR 20010514CW005](https://openairdocs.org/sdr/20010514CW005.md): Starter Gen · vibrates · Apr 17, 2001 · N727CS · Lear 25D · Starter-Generator
  > FLIGHT CREW EXPERIENCED AN AIRFRAME RUMBLE DURING TAKEOFF AND OPTED TO RETURN TO LANDING. MAINTENANCE CONFIRMED THE RUMBLE DURING GROUND RUN AND DETRMINED THE LEFT HAND STARTER GENERATOR CAUSING THE RUMBLE. A SERVICEABLE STARTER GENERATOR WAS INSTALLED, RUN
- [SDR 20010213CW011](https://openairdocs.org/sdr/20010213CW011.md): Control Unit · failed · Jan 9, 2001 · N727CS · Lear 25D · Global Positioning System
  > PRIOR TO START, PILOT NOTED SMOKE AND BURNT ODOR IN AREA OF THROTTLE QUADRANT WITH SHIPS BATTERIES ON.MAINTENANCE DID TROUBLESHOOT AND DISCOVERED ODOR TO BE FROM GPS CONTROL UNIT IN PEDESTAL (GPS WAS INOPERATIVE) GPS UNIT WAS REMOVED FOR REPAIR AND AIRCRAFT D
- [SDR 20010205CW013](https://openairdocs.org/sdr/20010205CW013.md): Hydraulic Line · chafed · Jan 9, 2001 · N25HF · Lear 25D · Hydraulic System, Main
  > PILOT LOST HYDRAULIC PRESSURE IN FLIGHT. INSPECTION REVEALED HYDRAULIC PRESSURE LINE FROM LEFT ENGINE TO AUXILLARY HYDRALUIC PUMP MANIFOLD LINE, CHAFFED AT CLAMP, RECOMMENDED REMOVING CLAMPS ON THIS SPECIFIC HYDRAULIC LINE ON AIRCRAFT WITH THE SAME HYDRAULIC
- [SDR 20000816SH024](https://openairdocs.org/sdr/20000816SH024.md): Fuel Control · malfunctioned · Aug 4, 2000 · N251DS · Lear 25D · Fuel Control/Turbine Engines
  > ON DESCENT TO SLN, ENGINE FLAMED OUT. RE-LIGHT NORMAL AT ALTITUDE 250. INSPECTED ENGINE PER SEI 186. REMOVED AND REPLACED FUEL CONTROL. TEST FLIGHT PERFORMED, NORMAL. (X)
- [SDR 20001016SH006](https://openairdocs.org/sdr/20001016SH006.md): Control Unit · malfunctioned · Aug 3, 2000 · N228SW · Lear 25D · Cabin Pressure Control System
  > CMH - LOST CABIN PRESSURIZATION AFTER DEPARTURE OUT OF COLUMBUS. RETURNED TO CMH. INSPECTED BLEED AIR LINES IN HEX HOSE AND IN CABIN, RAN BOTH ENGINES, NO LEAKS FOUND. TEST FLEW AIRCRAFT TO 27,000 FEET. ALL FUNCTIONS, PRESSURIZATION SYSTEM, CHECKED GOOD.
- [SDR 20000808SH033](https://openairdocs.org/sdr/20000808SH033.md): Actuator · malfunctioned · Jul 26, 2000 · N273M · Lear 25D · Landing Gear Actuator
  > RIGHT MAIN LANDING GEAR DOWN AND LOCKED LIGHT FAILED TO ILLUMINATE IN-FLIGHT DURING APPROACH. THE AIRCRAFT LANDED WITHOUT INCIDENT. INSPECTION OF RIGHT MAIN GEAR ACTUATOR DISCLOSED THE ACTUATOR PISTON WAS NOT TRAVELLING TO THE FULL LOCKED POSITION. LANDINGS
- [SDR 20000424SH020](https://openairdocs.org/sdr/20000424SH020.md): Engine · flamed out · Mar 20, 2000 · N251DS · Lear 25D · Engine (Turbine/Turboprop)
  > DURING FLIGHT AT ALTITUDE OF 41,000 FEET, RIGHT HAND ENGINE FLAMED OUT. AIRCRAFT WAS CHECKED FOR FOD. AIRCRAFT RETURNED TO P.S.P. AT LOWER ALTITUDE. ENGINE REMOVED FOR REPAIR AT CRS IY2R915K. (X)
- [SDR 20000329SH039](https://openairdocs.org/sdr/20000329SH039.md): Warning Light · illuminated · Mar 2, 2000 · N969SS · Lear 25D · Fire Detection
  > EN ROUTE, RIGHT ENGINE FIRE WARNING LIGHT ILLUMINATED BRIEFLY. DIVERTED FLIGHT. FALSE ENGINE FIRE WARNING, CHAFED WIRE. (X)
- [SDR 20000329SH050](https://openairdocs.org/sdr/20000329SH050.md): Starter Gen · failed · Jan 10, 2000 · N988AS · Lear 25D · Starter-Generator
  > DURING FLIGHT ON 1-10-2000, PILOT NOTICED VIBRATION IN AIRCRAFT, SHORTLY THEREAFTER, GENERATOR OFF-LINE. PILOT LANDED AIRCRAFT AT GJT. STARTER/GENERATOR WAS REPLACED AND GROUND TESTED NORMAL. AIRCRAFT RETURNED TO BASE AT PSP. (X)
- [SDR 20000329SH049](https://openairdocs.org/sdr/20000329SH049.md): Engine · flamed out · Dec 15, 1999 · N251DS · Lear 25D · Engine (Turbine/Turboprop)
  > AIRCRAFT AT 43,000 CRUISE M.780, RT ENGINE ROLL BACK RE-LIGHT AT 35,000. PERFORMED INSPECTION OF BLEED AIR SYSTEM, COMPRESSOR FOR FOD. NONE NOTED. PERFORMED MAXIMUM ALTITUDE ACCEL CHECK. ALL WORK PERFORMED IAW MFG MM SEI 186. (X)
- [SDR 99ZZZX4445](https://openairdocs.org/sdr/99ZZZX4445.md): Fitting · leaking · Nov 17, 1999 · N75CK · Lear 25D · Hydraulic System, Main
  > AFTER AN UNEVENTFUL LANDING, THE FLIGHT CREW NOTED HYDRAULIC FLUID LEAKING FROM THE AIRCRAFT BELLY. MAINTENANCE PERSONNEL DISCOVERED A LOOSE JAM NUT ON A FITTING ON THE INBOARD GEAR DOOR SELECTOR VALVE. JAM NUT WAS TIGHTENED, SYSTEM LEAK CHECK WAS SATISFACTO
- [SDR 99ZZZX4068](https://openairdocs.org/sdr/99ZZZX4068.md): Brake Assy · misoverhauled · Oct 8, 1999 · Lear 25D · Landing Gear Brake System
  > PART INSTALLED ON AIRCRAFT, BUT WHEN THROUGH-BOLTS WERE TORQUED, BRAKE ASSY (ROTORS) WOULD NOT MOVE FREELY. FOUND DISTANCE BETWEEN BACKPLATE AND PRESSURE PLATE TO BE UNEVEN AROUND THE CIRCUMFERENCE WITH THE ASSY INSTALLED AND TORQUED. BOTTOM OF ASSY HAD GREA
- [SDR 99ZZZX3573](https://openairdocs.org/sdr/99ZZZX3573.md): Squat Switch · failed · Sep 7, 1999 · N800RF · Lear 25D · Landing Gear Retraction/Extension System
  > THE LANDING GEAR RETRACTED, BUT WOULD NOT EXTEND WITH HYDRAULIC PRESSURE, ALTERNATE GEAR EXTENSION WAS USED AND THE GEAR EXTENDED. TROUBLESHOOTING REVEALED THE GEAR UP SOLENOID WAS RECEIVING 28 VOLTS WITH THE GEAR HANDLE IN THE DOWN POSITION. FOUND THE LEFT
- [SDR 99ZZZX3496](https://openairdocs.org/sdr/99ZZZX3496.md): Line · cracked · Aug 30, 1999 · N321GL · Lear 25D · Hydraulic System, Main
  > THE LEFT ENGINE HYDRAULIC PRESSURE LINE CRACKED UNDER AN ADEL CLAMP THAT SECURED THE LINE TO THE AIRCRAFT STRUCTURE LOCATED ABOVE AND AFT OF THE GENERATOR CONTROL UNIT. THE LINE HAD BEEN BADLY WORN BY TWO CLAMPS. ANYTIME AN ACCUMULATION OF BLACK RESIDUE IS N
- [SDR 20000714SH003](https://openairdocs.org/sdr/20000714SH003.md): Hydraulic Line · chafed · Apr 28, 1999 · N531CW · Lear 25D · Hydraulic System, Main
  > THE LEFT ENGINE HYDRAULIC LINE RUPTURED DUE TO WEAR AGAINST ANOTHER HYDRAULIC LINE''S FITTINGS. THE LINE IS LOCATED AT THE AFT PRESSURE BULKHEAD. SUBMITTER STATED IT IS IMPORTANT TO KNOW THAT THE POINT OF ''RUBBING'' IS DIFFICULT TO INSPECT. THE RUPTURE OF
- [SDR 99ZZZX2176](https://openairdocs.org/sdr/99ZZZX2176.md): Line · ruptured · Apr 28, 1999 · N531CW · Lear 25D · Hydraulic System, Main
  > HYDRAULIC PRESSURE LINE RUPTURED IN-FLIGHT DUE TO 'RUBBING' AGAINST ANOTHER HYDRAULIC LINE'S FITTINGS. THE RUPTURE CAUSED A LOSS OF HYDRAULIC SYSTEM PRESSURE AND DEPLETION OF THE HYDRAULIC RESERVOIR. THE LINE IS LOCATED AT THE AFT PRESSURE BULKHEAD AND IS DI
- [SDR 99ZZZX1918](https://openairdocs.org/sdr/99ZZZX1918.md): Fire Loop · malfunctioned · Apr 21, 1999 · N95CK · Lear 25D · Fire Detection
  > INTERMITTENT FIRE LIGHT RIGHT SIDE. RE-POSITIONED FIRE DETECT LOOP, WAS MAKING CONTACT WITH COWLING. DETECT SYSTEM OPERATIONALLY, CHECKS GOOD.
- [SDR 99ZZZX2418](https://openairdocs.org/sdr/99ZZZX2418.md): Radio · malfunctioned · Apr 9, 1999 · N95CK · Lear 25D · VHF Communications System
  > REPLACED NR 1 COMM ANTENNA WITH NEW UNIT, PN VF10-347, SN 414. REPAIRED COAX END AT FRAME NR 5 FOR NR 2 COMM AND REPLACED NR 2 COMM WITH SERVICEABLE UNIT MODEL VHF20A, SN 14386. AIRCRAFT HAD LOST ALL COMMUNICATIONS UNTIL THEY WERE CLOSE TO THE STATION. COMM

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

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

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