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Aircraft record

N439US1990 Boeing 737-4B7

DeregisteredUnclaimedSource: FAA, updated Oct 20, 2026

This N-number isn't registered right now. Below is its last known registration, canceled Apr 17, 2019.

Safety record in brief:No NTSB accidents or incidents since 198221 ADs may apply237 service difficulty reports

Registration
Deregistered
Last based in
Miami, FL
owner city / state
Engine
CFM56-3B · 22,100 lb thrust
Cfm Intl
Owners
1
since 2015
NTSB events
None
since 1982
ADs may apply
21
confirm with A&P
Service reports
237
since 1995

Registration

FAA Aircraft Registry · Oct 20, 2026
Last registered owner
Shell Aerospace Supplies LLC
Owner type
LLC
City, state
Miami, FL
Certificate issued
Dec 12, 2015
Canceled
Apr 17, 2019
Airworthiness
Standard · Transport
Airworthiness date
Jun 18, 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
Boeing
Model
737-4B7
Year
1990
Serial number
24781
Aircraft type
Fixed wing multi engine
Category
Land
Certification
Type Certificated
Seats
149
Engines
2
Max takeoff weight
20,000 and over lb
Mode S code
A54660

Engine

Make and model
Cfm Intl Cfm56-3b
Type
Turbo-fan
Power
22,100 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. 2015 – 2019Shell Aerospace Supplies LLCMiami, FL

Individual owners are shown by city and state only.

Safety record

NTSB · Oct 15, 2026 · FAA ADs · Oct 19, 2026 · SDRs · Oct 16, 2026

NTSB events (0)

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

ADs published since 1998 that may apply (21)

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
2019-14-02Hydraulic powerAug 27, 2019Airframe (737-4B7)
2002-20-07 R1Boeing Model 737 Series AirplanesNov 12, 2002Airframe (737-4B7)
2002-20-07Boeing Model 737 Series AirplanesNov 12, 2002Airframe (737-4B7)
2001-11-11Boeing Model 737, 747, and 777 Series AirplanesJul 16, 2001Airframe (737-4B7)Serial numbers per Boeing Service Bulletins 737-25-1371 Rev 2, 737-25-1407, 747-25-3196 Rev 1, 777-25-0111 Rev 1
2001-10-14Boeing Model 737, 747, 757, 767, and 777 Series AirplanesJun 8, 2001Airframe (737-4B7)Serial numbers per Boeing Special Attention Service Bulletins 737-35-1076, 737-35-1077, 747-35-2111, 757-35-0021, 757-35-0022, 767-35-0043, 767-35-0044, 777-35-0008, all dated March 1, 2001. Only with: Equipped with chemical oxygen generators.
Show all 21 ADs
ADSubjectEffectiveApplies to
2001-08-24Boeing Model 737 Series AirplanesMay 10, 2001Airframe (737-4B7)
2000-22-02 R1Boeing Model 737 Series AirplanesNov 13, 2000Airframe (737-4B7)
2000-22-02Boeing Model 737 Series AirplanesNov 13, 2000Airframe (737-4B7)
2000-15-16Boeing Model 737, 757, 767, and 777 Series AirplanesSep 12, 2000Airframe (737-4B7)Certain serial numbers: 737 1–2984; 757 1–798; 767 1–682; 777 1–083. Only with: Ranges are line numbers; equipped with Puritan-Bennett passenger and flight attendant oxygen masks as listed in Boeing Service Bulletins 737-35-1049, 757-35-0014, 767-35-0033, or 777-35-0005.
99-11-05Boeing Model 737 Series AirplanesJun 28, 1999Airframe (737-4B7)
99-22-16Boeing Model 737 Series AirplanesDec 7, 1999Airframe (737-4B7)Serial numbers per Boeing Service Bulletin 737-52-1128, dated April 22, 1999, or Boeing Service Bulletin 737-52-1137, dated May 13, 1999
98-13-12 R1Boeing Model 737, 747, 757, 767, and 777 Series AirplanesDec 28, 1998Airframe (737-4B7)Serial numbers per Boeing Alert Service Bulletins 737-27A1212, 747-27A2368 Revision 2, 757-27A0128, 767-27A0156, 777-27A0029 Revision 1
98-22-10Boeing Model 737 Series AirplanesNov 12, 1998Airframe (737-4B7)Serial numbers per Boeing Service Bulletin 737-53A1108, Revision 5, dated October 26, 1989
98-18-20Boeing Model 727 and Model 737 Series Airplanes Equipped with J.C. Carter Company Fuel…Oct 21, 1998Airframe (737-4B7)Only with: Equipped with J.C. Carter Company fuel valve actuators P/N 40574-2 (Kearfott Models 3715-7 and -8) or 40574-5 (Kearfott Model 3715-9).
98-13-12Boeing Model 737, 747, 757, 767, and 777 Series AirplanesJul 6, 1998Airframe (737-4B7)Serial numbers per Boeing Alert Service Bulletins 737-27A1212, 747-27A2368, 757-27A0128, 767-27A0156, and 777-27A0029, dated March 26, 1998
98-03-10Boeing Model 737, 747, 757, and 767 Series AirplanesFeb 19, 1998Airframe (737-4B7)Certain serial numbers: 737 1–2836; 747 1–1104; 757 1–731; 767 1–642. Only with: Equipped with non-powered IPECO pilots' seats; ranges are line position numbers.
97-22-07Boeing Model 737 Series AirplanesNov 12, 1997Airframe (737-4B7)Certain serial numbers: 737 292–2565. Only with: Limited to airplanes with line numbers 292 through 2565 inclusive.
97-18-06Boeing Model 737 Series AirplanesNov 12, 1997Airframe (737-4B7)
97-05-10Boeing Model 737 Series AirplanesMar 19, 1997Airframe (737-4B7)Only with: Having a main rudder power control unit (PCU) identified in Boeing Service Letter 737-SL-27-112-B, dated February 6, 1997.
97-04-01Boeing Model 737 Series AirplanesMar 21, 1997Airframe (737-4B7)Serial numbers per Boeing Service Bulletin 737-27-1155, dated October 26, 1989, as revised by Notices of Status Change 737-27-1155NSC1, NSC2, and NSC3
95-23-10Boeing Model 737 Series AirplanesDec 13, 1995Airframe (737-4B7)

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

Service Difficulty Reports (237)

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.

  • Lights · sign · brokenApr 29, 2014

    THE EMERGENCY EXIT SIGN AT ROW 11C FLOOR LEVEL APPEARS TO BE BROKEN. REPLACED EXIT ROW SIGN AT 11C IAW AMM 33-50-01.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · seat track · lack of lubeMar 19, 2014

    CREW REPORTS THE CAPTAIN'S SEAT IS DIFFICULT TO ADJUST FWD & AFT MOVEMENT. LUBED CAPTAIN'S SEAT TRACKS.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · seat track · lack of lubeMar 19, 2014

    CREW REPORTS THE FIRST OFFICER'S SEAT IS DIFFICULT TO ADJUST IN FWD & AFT MOVEMENT. LUBED FIRST OFFICER'S SEAT TRACKS.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
Show all 10 reports
  • Lights · sign · detachedFeb 18, 2014

    CREW REPORTED THE EMERGENCY EXIT SIGN AT SEAT 12C UNATTACHED. MX REATTACHED EXIT SIGN, CHECKED OK.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · seat track · lack of lubeJan 19, 2014

    CAPTAIN'S SEAT, FWD & AFT, IS DIFFICULT TO ADJUST. CLEANED & LUBED CAPTAIN'S SEAT TRACKS. OPERATIONS CHECKED GOOD.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · seat track · lack of lubeJan 19, 2014

    FIRST OFFICER'S SEAT IS DIFFICULT TO ADJUST FWD & AFT. CLEANED & LUBED FIRST OFFICER'S SEAT TRACKS, OPERATIONS CHECKED GOOD.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Lights · light · unsecureNov 18, 2013

    CREW REPORTED THE EXIT LIGHT AT SEAT 12A FALLING OFF. MAINTENANCE SECURED EXIT LIGHT AT SEAT 12A IAW 33-51-11.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Lights · cover · missingSep 28, 2013

    MX REPORTED THE CABIN EMERGENCY LIGHT LENS COVERS MISSING AT ROWS 11ABC AND 12ABC. MX REPLACED LENS COVERS AS REQUIRED.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · tie clip · crackedJul 6, 2013

    Q5 CHECK - CRACK IN STRINGER TIE CLIP AT BS 727A, S23R. REPLACED STRINGER TIE CLIP AT BS 727A, S23R IAW SRM 51-10-02.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · tie clip · crackedJul 6, 2013

    Q5 CHECK - CRACK IN STRINGER TIE CLIP AT BS727D, S22R. REPLACED STRINGER TIE CLIP AT BS727D, S22R IAW SRM 51-10-02.

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

Showing the 10 most recent of 237 reports.

Related aircraft

Show all 8 related 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 19, 2026
  • FAA Service Difficulty ReportsReports since 1995updated Oct 16, 2026

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