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Aircraft record

N435DC2004 Learjet 45

Registration validUnclaimedSource: FAA, updated Oct 17, 2026

Safety record in brief:No NTSB accidents or incidents since 198227 ADs may apply4 service difficulty reports

Registration
Valid
expires Oct 31, 2027
Based in
Lewisville, TX
owner city / state
Engine
TFE731-20BR · 3,650 lb thrust
Honeywell
Owners
1
since 2017
NTSB events
None
since 1982
ADs may apply
27
confirm with A&P
Service reports
4
since 1995

Registration

FAA Aircraft Registry · Oct 17, 2026
Registered owner
Guardian Flight LLC
Owner type
LLC
City, state
Lewisville, TX
Certificate issued
Oct 2, 2017
Expires
Oct 31, 2027
Airworthiness
Standard · Transport
Airworthiness date
Jul 14, 2011

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
2004
Serial number
249
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
A535FF

Engine

Make and model
Honeywell Tfe731-20br
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. 2017 – nowGuardian Flight LLCLewisville, TX · current

Individual owners are shown by city and state only.

Safety record

NTSB · Oct 15, 2026 · FAA ADs · Oct 17, 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 (TFE731-20BR)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 (TFE731-20BR)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 (TFE731-20BR)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 (TFE731-20BR)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 (TFE731-20BR)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 (4)

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.

  • Engine · warning message · illuminatedSep 26, 2025

    ON DEPARTURE FROM KPAE TO PAKT CLIMBING THROUGH 12,000' MEDICS COMPLAINED OF BURNING SMELL, THEN SMELL WENT AWAY VERY SHORTLY AFTER. CONTINUED CLIMB AND THEN AT ABOUT FL200, GOT MASTER WARNING "RIGHT ENGINE FIRE" AND ASSOCIATED CAS MESSAGE. ACCOMPLISHED MEMORY ITEMS, FIRE INDICATIONS EXTINGUISHED…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Engine · engine · warning messageSep 26, 2025

    ON DEPARTURE FROM KPAE TO PAKT CLIMBING THROUGH 12,000' MEDICS COMPLAINED OF BURNING SMELL, THEN SMELL WENT AWAY VERY SHORTLY AFTER. CONTINUED CLIMB AND THEN AT ABOUT FL200, GOT MASTER WARNING RIGHT ENGINE FIRE AND ASSOCIATED CAS MESSAGE. ACCOMPLISHED MEMORY ITEMS, FIRE INDICATIONS EXTINGUISHED…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fire protection · connector · dirtyFeb 10, 2024

    PERFORMED VISUAL INSPECTION OF #1 ENGINE FIRE DETECTION LOOP ROUTING AND CONDITION PER LEAR 45 AMM. PERFORMED OPERATIONAL CHECK OF THE ENGINE FIRE DETECTION SYSTEM PER LEAR 45 AMM. CLEANED CONNECTOR AT A37. COULD NOT DUPLICATE DISCREPANCY AT THIS TIME.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
Show all 4 reports
  • Engine air · seal · tornMay 1, 2020

    AFTER DEPARTURE AND DURING CLIMB "L ENG PYLON OVHT" ILLUMINATED IN RED ON CREW WARNING PANEL (CWP) AND IN RED ON CREW ALERTING SYSTEM (CAS). THE APPROPRIATE EMERGENCY PROCEDURES IN THE AIRPLANE FLIGHT MANUAL (ANTI-ICE TURNED OFF AND THRUST LEVER RETARDED) WERE PERFORMED AND THE MESSAGE…

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

Related aircraft

Show all 8 related aircraft
All 433 registered Learjet 45 aircraft

Sources

  • FAA Aircraft RegistryRegistration, owner city and state, airframe, engineupdated Oct 17, 2026
  • NTSB accident and incident databaseAccidents and incidents since 1982updated Oct 15, 2026
  • FAA Airworthiness Directives (Federal Register)ADs published since 1998updated Oct 17, 2026
  • FAA Service Difficulty ReportsReports since 1995updated Oct 16, 2026

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