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Aircraft record

N87SK2006 Learjet 45

Registration validUnclaimedSource: FAA, updated Oct 20, 2026

Safety record in brief:No NTSB accidents or incidents since 198227 ADs may apply13 service difficulty reports

Registration
Valid
expires Oct 31, 2033
Based in
Oklahoma City, OK
owner city / state
Engine
TFE731-20AR · 3,650 lb thrust
Honeywell
Owners
1
since 2026
NTSB events
None
since 1982
ADs may apply
27
confirm with A&P
Service reports
13
since 1995

Registration

FAA Aircraft Registry · Oct 20, 2026
Registered owner
Smm Aviation 1 LLC
Owner type
LLC
City, state
Oklahoma City, OK
Certificate issued
Oct 5, 2026
Expires
Oct 31, 2033
Airworthiness
Standard · Transport
Airworthiness date
Nov 15, 2006

We never show street addresses, even though they appear in the public FAA file. Individual owners are shown by city and state only.

Airframe & engine

FAA Registry + type data

Airframe

Manufacturer
Learjet
Model
45
Year
2006
Serial number
317
Aircraft type
Fixed wing multi engine
Category
Land
Certification
Type Certificated
Seats
12
Engines
2
Max takeoff weight
20,000 and over lb
Mode S code
ABF597

Engine

Make and model
Honeywell Tfe731-20ar
Type
Turbo-fan
Power
3,650 lb thrust

Total time and engine hours aren't public. They appear here once the owner adds logbooks.

Ownership history

Ownership history from FAA records
  1. 2026 – nowSmm Aviation 1 LLCOklahoma City, OK · current
  2. 2006 – 2007General Aviation Leasing LLCWilmington, DE · different airframe: 1994 Beechcraft 1900d S/N Ue-87

Individual owners are shown by city and state only.

Safety record

NTSB · Oct 15, 2026 · FAA ADs · Oct 20, 2026 · SDRs · Oct 16, 2026

NTSB events (0)

No NTSB accidents or incidents found for this airframe since 1982.

Accident history for this model

ADs published since 1998 that may apply (27)

These match the airframe or engine model. Whether each one applies, and whether it's been complied with, depends on serial numbers, equipment and logbook entries. Applicability must be confirmed by a mechanic against the aircraft's records.

ADSubjectEffectiveApplies to
2019-05-07Turbine Engine Compressor SectionApr 25, 2019Engine (TFE731-20AR)Serial numbers per Table 9 of Honeywell Service Bulletin TFE731-72-5256, Revision 0. Only with: Fan disk P/N 3060287-2 with S/N listed in Table 9 of the SB, without "T43374" marked adjacent to the fan disk P/N or S/N.
2015-12-06FuselageJul 21, 2015Airframe (45)Serial numbers per Bombardier Recommended Service Bulletin 40-56-03, Revision 1, and 45-56-3, Revision 1, dated October 15, 2012
2014-13-06Engine ExhaustAug 19, 2014Airframe (45)Certain serial numbers: 45 45-005–45-436; 45 45-2001–45-2132. Only with: Equipped with composite engine fan bypass ducts.
2014-12-52Honeywell International Inc. (Type Certificate Previously Held by AlliedSignal Inc.…Jul 28, 2014Engine (TFE731-20AR)Only with: Engines with LPT2 blades P/N 3075424-1, -2, or -3 installed.
2013-14-07Equipment/FurnishingsAug 26, 2013Airframe (45)Certain serial numbers: 45 45-002–45-380; 45 45-382–45-396; 45 45-398–45-405; 45 45-2001–45-2114; 45 45-2116; 45 45-2118; …
Show all 27 ADs
ADSubjectEffectiveApplies to
2012-16-14Honeywell International Inc. Turbofan EnginesOct 1, 2012Engine (TFE731-20AR)Serial numbers per Table 4 of Honeywell Service Bulletin TFE731-72-5221, Revision 0. Only with: Engines listed in Table 4 of the SB, or with LPT2 rotor assembly P/N 3060608-2, -3, or -5 that had LPT2 rotor blades P/N 3075424-2 replaced between March 2009 and September 2010, or P/N 3075424-3 replaced between July 2010 and September 2010.
2012-08-08Periodic InspectionsMay 29, 2012Airframe (45)
2011-25-03Landing GearJan 23, 2012Airframe (45)
2011-13-10Learjet Inc. Model 45 AirplanesAug 1, 2011Airframe (45)Certain serial numbers: 45 45-005–45-405; 45 45-2001–45-2126
2011-04-08Learjet Inc. Model 45 AirplanesMar 31, 2011Airframe (45)Certain serial numbers: 45 45-2001–45-2114; 45 45-2116–45-2120; 45 45-2122; 45 45-2125; 45 45-2126; 45 45-005–45-380; …
2010-21-19Learjet Inc. Model 45 AirplanesNov 18, 2010Airframe (45)Serial numbers per Bombardier Service Bulletins 40-26-05 and 45-26-9, both Revision 2, dated May 4, 2009
2010-06-13Learjet Inc. Model 45 AirplanesApr 1, 2010Airframe (45)Certain serial numbers: 45 45-005–45-380; 45 45-2001–45-2111
2009-24-22Learjet Inc. Model 45 AirplanesJan 8, 2010Airframe (45)Certain serial numbers: 45 45-005–45-321; 45 45-323–45-332; 45 45-2001–45-2075
2008-01-03Learjet Model 45 AirplanesFeb 14, 2008Airframe (45)Certain serial numbers: 45 45-002–45-302; 45 45-2001–45-2049
2007-17-17Learjet Model 31, 31A, 35, 35A (C-21A), 36, 36A, 55, 55B, and 55C Airplanes, and Model…Oct 2, 2007Airframe (45)Serial numbers per Table 1 of this AD: Bombardier Service Bulletins 31-54-2 Rev 1 and 45-54-3 Rev 2; Learjet Service Bulletins 35/36-54-3 and 55-54-3
2007-09-03Learjet Model 45 AirplanesMay 11, 2007Airframe (45)Certain serial numbers: 45 45-005–45-321. Only with: Equipped with an auxiliary power unit (APU).
2006-10-15Learjet Model 45 AirplanesMay 31, 2006Airframe (45)Certain serial numbers: 45 45-005–45-295; 45 45-2001–45-2044
2005-24-13Learjet Model 45 AirplanesDec 20, 2005Airframe (45)Certain serial numbers: 45 45-005–45-273; 45 45-2001–45-2029
2005-13-07Honeywell International Inc. (Formerly AlliedSignal Inc. and Garrett Turbine Engine Co.)…Jul 27, 2005Engine (TFE731-20AR)Serial numbers per Tables 1, 2, and 3 of Honeywell International Inc. SB No. TFE731-72-3682, dated November 26, 2002. Only with: Engines with LP 1st and 2nd stage turbine rotor discs P/Ns 3072069, 3073014, 3072070, 3073113, 3072351, 3071114, 3072542, 3074103, 3073013, 3074105 (all dash numbers) initially installed as new parts before April 1, 1991.
2005-05-15Honeywell International Inc. TFE731-2 and -3 Series Turbofan EnginesApr 18, 2005Engine (TFE731-20AR)Only with: LPT stage 1 disks P/Ns 3072070-All, 3072351-All, 3073013-All, 3073113-All, 3073497-All, and 3074103-All installed.
2003-17-08Learjet Model 45 AirplanesSep 24, 2003Airframe (45)Certain serial numbers: 45 45-005–45-071; 45 45-072–45-114. Only with: S/Ns 45-005 through 45-071 only if modified per Bombardier Service Bulletin 45-32-3.
2003-16-19Learjet Model 45 AirplanesAug 13, 2003Airframe (45)
2003-16-09Learjet Model 45 AirplanesAug 27, 2003Airframe (45)Certain serial numbers: 45 45-005–45-208; 45 45-210–45-222; 45 45-224; 45 45-225; 45 45-227; 45 45-229–45-231
2003-06-51Learjet Model 45 AirplanesApr 28, 2003Airframe (45)Certain serial numbers: 45 45-001–45-232
2002-17-01Learjet Model 45 AirplanesSep 12, 2002Airframe (45)Certain serial numbers: 45 45-005–45-213
2001-03-05Learjet Model 45 AirplanesFeb 20, 2001Airframe (45)Certain serial numbers: 45 45-002–45-004; 45 45-006–45-121; 45 45-124–45-129
2000-08-13Learjet Model 45 AirplanesMay 15, 2000Airframe (45)Only with: Crane Hydro-Aire brake control unit P/N 42-933-2 installed.

AI-extracted — verify against original. Matched from each AD's applicability section; ADs replaced by a later AD are left out.

Service Difficulty Reports (13)

Reports of failures and defects that operators and repair stations sent to the FAA since 1995. A report describes one finding; it is not an accident.

  • Oxygen · oxygen mask · leakingApr 13, 2023

    THE MAINTENANCE TEAM DISCOVERED DURING POST FLIGHT CHECKS THE PILOTS OXYGEN MASK LEAKS WHEN INFLATED. THE MAINTENANCE TEAM REMOVED AND. REPLACED THE PILOT'S OXYGEN MASK WITH AN OVERHAULED UNIT. OPS CHECKS WERE SATISFACTORY, AND THE AIRCRAFT WAS RETURNED TO SERVICE.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Exhaust · isolation valve · inoperativeApr 1, 2022

    THE FLIGHT CREW REPORTED THAT UPON LANDING THE LEFT THRUST REVERSER DID NOT ARE, "L REV" FAULT CAS MESSAGE ILLUMINATED. OPERATIONS WERE CONTINUED PER MEL 78-30-01-02. AT MAINTENANCE, THE MAINTENANCE TEAM REACTIVATED THE LEFT AND RIGHT THRUST REVERSER FOR TROUBLESHOOTING. A LEFT DEPLOY SWITCH WAS…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Exhaust · unlock switch · faultyJan 12, 2022

    THE FLIGHT CREW REPORTED THAT DURING PERFORMING TR CHECKS PRIOR TO TAKEOFF RECIEVING A LH REV FAULT CAS MESSAGE. THE MESSAGE COULD NOT BE CLEARED. OPERATIONS WERE CONTIUNED PER MEL 78-30-01-02. DURING THE MAINTENANCE EVENT THE MX TEAM TROUBLESHOT AND DETERMINE THE INBD AND OTBD LATCH/UNLATCH…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
Show all 10 reports
  • Exhaust · latch · leakingJan 12, 2022

    THE MAINTENANCE TEAM DISCOVERED DURING POSTFLIGHT CHECKS THAT THE LEFT THRUST REVERSER LATCH BOX ACTUATOR WAS LEAKING. THE MAINTENANCE TEAM REMOVED THE DEFECTIVE PART AND INSTALLED AN OVERHAULED UNIT. OPS CHECKS WERE SATISFACTORY AND THE AIRCRAFT WAS RETURNED TO SERVICE

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Engine air · duct · leakingJul 2, 2021

    THE FLIGHT CREW REPORTED THAT DURING CLIMB OUT AFTER TAKEOFF THE RIGHT ENGINE PYLON OVERHEAT CAS MESSAGE OCCURRED TWICE. DUE TO THIS FAULT THE FLIGHT CREW ELECTED TO RETURN BACK TO THE AIRPORT AND LAND. THE MAINTENANCE TEAM DETERMINED A LEAKING PYLON BLEED AIR DUCT CONNECTION. THE DUCT CONNECTION…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Power plant · fire seal · failedJun 20, 2021

    THE FLIGHT CREW REPORTED THAT WHILE PASSING 19000 FT IN A CLIMB, THE "RIGHT ENGINE PYLON OVERTEMP" WARNING LIGHT ILLUMINATED. THE MESSAGE WAS CLEARED BY THE APPLICABLE QRH PROCEDURE AND THE FLIGHT WAS CONTINUED SAFELY. UPON LANDING, ENGINE OIL WAS NOTICED ON THE UNDERSIDE OF THE RIGHT ENGINE. THE…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Landing gear · strut · low pressureMay 15, 2021

    THE FLIGHT CREW REPORTED THAT ON TAKEOFF THE NOSE WHEEL STEERING FAIL ANNUNCIATOR ILLUMINATED. ALL THREE GEAR INDICATION LIGHTS WERE WHITE. THE CREW RAN THE APPLICABLE QRH WHICH SOLVED THE PROBLEM. THE FLIGHT COMPLETED SAFELY. THE NOSE WHEEL STRUT WAS FOUND TO LOW UPON LANDING. THE MAINTENANCE…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Navigation · fms · fault messageApr 9, 2021

    THE FLIGHT CREW REPORTED THAT THE NAVIGATION SYSTEM FMS NO2 WAS UNABLE TO SYNC WITH THE FMS NO1. ARINC/WAAS TEST FAIL. THE MAINTENANCE TEAM TROUBLESHOT AND DETERMINED THAT THE #2 FMS WAS DEFECTIVE. A MODIFIED UNIVERSAL AVIONICS UNS1EW FMS WAS INSTALLED INTO THE NO2 POSITION. FUNCTIONAL CHECKS WERE…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Lights · wire · chafedMay 21, 2018

    THE FLIGHT CREW DISCOVERED THAT THE AFT CARGO LIGHT WAS INOPERATIVE. MAINTENANCE DISCOVERED WHILE TROUBLESHOOTING THE LIGHTING SYSTEM, THAT THE LIGHT WIRING WAS IN CONTACT WITH THE APU INLET HOUSING, THIS CONDITION LED TO THE WIRES CHAFING THROUGH. THE WIRING FOR THE LIGHT WAS REPAIRED AND…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Flight controls · drive unit · failedOct 17, 2016

    THE FLIGHT CREW REPORTED THAT WHEN SELECTING FLAPS FOR LANDING THEY RECEIVED A "FLAP FAULT" CAS MESSAGE. MAINTENANCE TROUBLESHOT THE SYSTEM AND DETERMINED THAT THE FLAP DRIVE UNIT HAD FAILED. AN INSPECTED UNIT WAS INSTALLED AND RIGGED AND THE AIRCRAFT WAS RETURNED TO SERVICE.

    From FAA Service Difficulty Reports; matched by N-number and serial number.

Showing the 10 most recent of 13 reports.

Related aircraft

Show all 8 related aircraft
All 433 registered Learjet 45 aircraft

Sources

  • FAA Aircraft RegistryRegistration, owner city and state, airframe, engineupdated Oct 20, 2026
  • NTSB accident and incident databaseAccidents and incidents since 1982updated Oct 15, 2026
  • FAA Airworthiness Directives (Federal Register)ADs published since 1998updated Oct 20, 2026
  • FAA Service Difficulty ReportsReports since 1995updated Oct 16, 2026

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