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Aircraft record

N331N1990 Learjet 31

DeregisteredUnclaimedSource: FAA, updated Oct 17, 2026

This N-number isn't registered right now. Below is its last known registration, canceled Feb 6, 2023.

Safety record in brief:No NTSB accidents or incidents since 19825 ADs may apply4 service difficulty reports

Registration
Deregistered
Last based in
Boca Raton, FL
owner city / state
Owners
1
since 2022
NTSB events
None
since 1982
ADs may apply
5
confirm with A&P
Service reports
4
since 1995

Registration

FAA Aircraft Registry · Oct 17, 2026
Last registered owner
Air Oxford-Jetta Corp
Owner type
Non Citizen Corporation
City, state
Boca Raton, FL
Certificate issued
Mar 16, 2022
Canceled
Feb 6, 2023
Airworthiness
Standard · Transport
Airworthiness date
Aug 20, 1990

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
31
Year
1990
Serial number
022
Aircraft type
Fixed wing multi engine
Category
Land
Certification
Type Certificated
Seats
10
Engines
2
Max takeoff weight
12,500 - 19,999 lb
Mode S code
A39AB2

Engine

Make and model
Garrett Tfe731 Series
Type
Turbo-jet
Power
3,500 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. 2022 – 2023Air Oxford-Jetta CorpBoca Raton, FL
  2. 1933 – 1934Byrd Richard EBoston, MA · different airframe: Fokker Af-14-B S/N 1411

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 (5)

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
2007-17-17Learjet Model 31, 31A, 35, 35A (C-21A), 36, 36A, 55, 55B, and 55C Airplanes, and Model…Oct 2, 2007Airframe (31)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
2005-13-36Learjet Model 23, 24, 24A, 24B, 24B-A, 24C, 24D, 24D-A, 24E, 24F, 24F-A, 25, 25A, 25B…Aug 9, 2005Airframe (31)Serial numbers per Bombardier Alert Service Bulletins A23/24/25-27-17, A28/29-27-24, A31-27-25, A35/36-27-42 (Table 1 of this AD)
2001-07-11Learjet Model 23, 24, 25, 28, 29, 31, 35, 36, and 55 Series AirplanesMay 1, 2001Airframe (31)
99-16-03Learjet Model 23, 24, 25, 28, 29, 31, 55, and 60 Series AirplanesSep 7, 1999Airframe (31)Serial numbers per Learjet Service Bulletins SB 23/24/25-30-3, SB 28/29-30-3, SB 31-30-05, SB 55-30-3, and SB 60-30-4, dated October 27, 1998
98-06-28Learjet Model 31 and 35A AirplanesApr 24, 1998Airframe (31)Certain serial numbers: 31 31-002–31-029; 35A 35-647–35-670

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.

  • Fire protection · fire loop · noneJul 1, 2022

    DURING CLIMB, 16 MINUTES AFTER TAKE OFF. RH FIRE WARNING LIGHT ILLUMINATED, ALL OTHER INDICATIONS NORMAL. RETARDED THROTTLE LEVER TO IDLE AND FIRE WARNING LIGHT WENT OUT. ALL ENGINE INDICATIONS NORMAL. THIS IS AN OPERATIONAL CHECK FLIGHT FOR THE EVENT REPORTED 23, JUNE 2022

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fire protection · gasket · noneJun 23, 2022

    DURING CLIMB, 16 MINUTES AFTER TAKE OFF. RH FIRE WARNING LIGHT ILLUMINATED, ALL OTHER INDICATIONS NORMAL. RETARDED THROTTLE LEVER TO IDLE AND FIRE WARNING LIGHT WENT OUT. ALL ENGINE INDICATIONS NORMAL.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Flight controls · screw · corrodedSep 13, 2000

    SCREW ASSEMBLY BAD FROM STOCK. SCREW ASSEMBLY, S/N K138L, WAS FOUND CORRODED WHEN REMOVED FROM WRAPPING. (X)

    From FAA Service Difficulty Reports; matched by N-number and serial number.
Show all 4 reports
  • Flight controls · screw · nickedSep 13, 2000

    SCREW ASSEMBLY BAD FROM STOCK. SCREW ASSEMBLY, S/N K320L, HAD TWO NICKS ON THREAD SURFACE. (X)

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

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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