# N56: 1994 Learjet 60, registration cancelled 2024-01-10 - Type: Cancelled registration (FAA registry, deregistered aircraft) - Cancelled: January 10, 2024 - Status when cancelled: Valid registration - Airframe: [Learjet 60](https://openairdocs.org/model/learjet-60) (registry code 5170707) - Engine: [Pratt & Whitney Canada PW305A](https://openairdocs.org/engine/pratt-whitney-canada-pw305a) (registry code 52190) - Data sheets: [TCDS A10CE](https://openairdocs.org/tcds/A10CE), [TCDS E35NE](https://openairdocs.org/tcds/E35NE) (OpenAirDocs) - Serial number: 033 - Year built: 1994 - Type of aircraft: Fixed wing multi engine - Engine type: Turbo-fan - Airworthiness: Standard, transport - Airworthiness date: February 15, 2017 - Certificate issued: August 22, 1996 - Last registry action: April 14, 2023 - Mode S code: A72490 - Owner when cancelled: [Federal Aviation Administration](https://openairdocs.org/faa-owner/FEDERAL%20AVIATION%20ADMINISTRATION) - Location: [Oklahoma City, OK](https://openairdocs.org/faa-place/OK/Oklahoma%20City) - Owner type: Government - Owner's area on the map: 35.3806° N, 97.6484° W: Placed by OpenAirDocs at the center of ZIP code 73169, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based - The mark today: https://openairdocs.org/aircraft/N56 - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=56 - Page: https://openairdocs.org/deregistered/N56-2024-01-10 From the FAA registry file of October 29, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe. ADs and bulletins for the Learjet 60: https://openairdocs.org/model/learjet-60.md ## Service difficulty reports (16) Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. - [SDR RU3A2020032019013](https://openairdocs.org/sdr/RU3A2020032019013), Mar 19, 2020: ENGINE. POWER LOSS. LEFT AMBER FOLLOWED BY WHITE COMPUTER LIGHTS. ENGINE ROLLED BACK APPROX 53% N1. THRUST SET AT IDLE . RUMBLED ABOVE IDLE, SHUTDOWN. WIND MILLED 0+24 MIN. - [SDR RU3A201910217051](https://openairdocs.org/sdr/RU3A201910217051), Oct 16, 2019: WARNING MESSAGE. FALSE ACTIVATION. AMBER "SPOILER MON" ILLUMINATES IN FLIGHT WHEN SPOILERS ARE EXTENDED. MAINTENANCE CHECKED PLUGS FOR CLEANLINESS ON SPOILER MONITOR COMPUTER AND PERFORMED CHECK - [SDR RU3A20191016049](https://openairdocs.org/sdr/RU3A20191016049), Oct 16, 2019: FADEC. CONTAMINATED. AMBER L ENG CMPTR LIGHT ILLUMINATED IN FLIGHT. MAINTENANCE DRAINED MOISTURE(WATER) FROM LEFT ENGINE FADEC LINES. INSPECTED, CLEANED, AND RESEATED LT FADEC CONNE - [SDR RU3A20190924046](https://openairdocs.org/sdr/RU3A20190924046), Sep 24, 2019: SENSOR. OUT OF ADJUST. SPOILER MON LIGHT ILLUMINATED DURING FLIGHT. MAINTENANCE MADE AN ADJUSTMENTS TO THE RIGHT HAND AILERON AUGMENTATION POSITION SENSOR CORRECTING THE PROBLEM. NO T - [SDR RU3A30190823043](https://openairdocs.org/sdr/RU3A30190823043), Aug 21, 2019: CONNECTOR. DIRTY. L ENG CMPTR AMBER LIGHT ILLUMINATED IN FLIGHT. MAJOR FAULT IN THE LEFT ENGINE FADEC COMPUTER. DISCREPANCY WAS CORRECTED BY COMPLYING WITH EDS FAULT CODES. CLEAN - [SDR RU3A20190723035](https://openairdocs.org/sdr/RU3A20190723035), Jul 22, 2019: SENSOR. FAILED. PER PIC,EPM SHOWED THE RIGHT GENERATOR AMPS ABOVE 450 AMPS, WITH A MASTER CAUTION. THE LEFT AMPERAGE SHOWED NORMAL AT ABOUT 190 AMPS. THE CAUSE WAS DETERMINED T - [SDR RU3A20190624029](https://openairdocs.org/sdr/RU3A20190624029), Jun 21, 2019: CONTROL BOX. FAILED. #1 FAR LEFT ANTI-SKID LIGHT ON TAKEOFF + 15MIN. REPLACEMENT OF ANTI SKID BOX CORRECTED THE PROBLEM. - [SDR RU3A20190503018](https://openairdocs.org/sdr/RU3A20190503018), May 3, 2019: CONNECTOR. DIRTY. LT ENG. CMPTR AMBER LIGHT ILLUMINATED IN FLIGHT. FADEC CONNECTOR WAS CLEANED, INSPECTED, AND RESEATED. FADEC WAS RESET. ENGINE RUN SHOWED NO DEFECTS. - [SDR RU3A20140908031](https://openairdocs.org/sdr/RU3A20140908031), Sep 5, 2014: SWITCH. DIRTY. AFT CABIN DOOR LIGHT ILLUMINATED IN FLIGHT AT 16000 FT. STAYED ON UNTIL LANDING. FIXED THE PROBLEM BY CLEANING & LUBING AFT CABIN DOOR WARNING MICRO SWITCHES. - [SDR RU3A20131016010](https://openairdocs.org/sdr/RU3A20131016010), Oct 10, 2013: AXLE. CORRODED. FOUND CORROSION ON LT AND RT MLG AXLES. CORROSION NOT WITHIN LIMITS. AXLES REPLACED. - [SDR RU3A20130211003](https://openairdocs.org/sdr/RU3A20130211003), Sep 11, 2012: FRAME. CRACKED. FRAME 4 RIGHT SIDE NOSE WHEEL WELL HAS A CRACK IN FRAME P/N 5410302-40. THIS IS THE THIRD LEAR 60 WHERE WE HAVE DISCOVERED THIS DISCREPANCY SINCE 05/18/2012. - [SDR RU3A1001](https://openairdocs.org/sdr/RU3A1001), Dec 29, 2009: SKIN. CRACKED. DURING C CHECK DISCOVERED RUDDER LOWER SKIN LEADING EDGE CRACKED AT WEIGHT MOUNT HOLES. FOUND SAME PROBLEM ON N59 10/23/2009. - [SDR RU3A0611](https://openairdocs.org/sdr/RU3A0611), Aug 17, 2006: WARNING LIGHT. ILLUMINATED. LEFT & RIGHT BLEED AIR LIGHTS ILLUMINATED INFLIGHT. BOTH BLEED AIR SWITCHES WERE TURNED OFF. BOTH LIGHTS EXTINGUISHED JUST BEFORE LANDING, APPROX 2 MINUTES AFTE - [SDR 2004F00154](https://openairdocs.org/sdr/2004F00154), Feb 23, 2004: UPLOCK. OUT OF ADJUST. RAISED GEAR AND HEARD 6-10 LOUD THUMPS, AIRCRAFT YAWED RUDDER PEDALS BACK AND FORTH. BOTH MAIN RED LIGHTS ON, THEN LIGHTS WENT OUT AND ALL WAS NORMAL. LOWERED G - [SDR RU3A0102](https://openairdocs.org/sdr/RU3A0102), Apr 18, 2001: AILERON. ICED. AFTER FLIGHT IN RAIN, SUBSEQUENT CLIMB ABOVE FREEZING LEVEL, AND DESCENT FOR LANDING: DURING VECTOR FOR ILS FINAL, AUTOPILOT WAS MANUALLY DISCONNECTED BY (PIC). - [SDR RU3A00003](https://openairdocs.org/sdr/RU3A00003), Jul 19, 2000: VALVE. STUCK. ON TAKEOFF, BLEED AIR DID NOT GO TO LOW FLOW. AIRCRAFT BECAME VERY HOT AND STARTED TO FILL WITH SMOKE. WENT TO EMERGENCY DEPRESSURIZATION, TURNED OFF BLEED AIR ## Other aircraft with N56 - [Registered now](https://openairdocs.org/aircraft/N56): Textron B300, S/N FL-1390 - [Cancelled 1949-06-16](https://openairdocs.org/deregistered/N56-1949-06-16): Beech C18S, S/N 5678. Owner: [U S Department Of Commerce](https://openairdocs.org/faa-owner/U%20S%20DEPARTMENT%20OF%20COMMERCE), [Washington, DC](https://openairdocs.org/faa-place/DC/Washington) --- 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.