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Aircraft record

N455UW1991 Boeing 737-4B7

DeregisteredUnclaimedSource: FAA, updated Oct 20, 2026

This N-number isn't registered right now. Below is its last known registration, canceled Mar 1, 2018.

Safety record in brief:No NTSB accidents or incidents since 198221 ADs may apply139 service difficulty reports

Registration
Deregistered
Last based in
Wilmington, DE
owner city / state
Engine
CFM56 SERIES · 2200 hp
Cfm Intl.
Owners
1
since 1991
NTSB events
None
since 1982
ADs may apply
21
confirm with A&P
Service reports
139
since 1995

Registration

FAA Aircraft Registry · Oct 20, 2026
Last registered owner
Wilmington Trust Company Trustee
Owner type
Corporation
City, state
Wilmington, DE
Certificate issued
Feb 7, 1991
Canceled
Mar 1, 2018
Airworthiness
Standard · Transport
Airworthiness date
Feb 6, 1991

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
1991
Serial number
24997
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
A58686

Engine

Make and model
Cfm Intl. Cfm56 Series
Type
Turbo-fan
Power
2200 hp

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

Ownership history

Ownership history from FAA records
  1. 1991 – 2018Wilmington Trust Company TrusteeWilmington, DE

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.

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 (139)

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.

  • Air conditioning and pressurization · unknown · odorJun 11, 2013

    DURING CRUISE, ENROUTE, CREW REPORTED A SMOKE ODOR IN CABIN. CAPTAIN DECLARED AN EMERGENCY AND REPORTED THAT WHILE DEPRESSURIZING, SMELL DISSIPATED. FLIGHT LANDED AT DESTINATION WITHOUT FURTHER INCIDENT. MX ACCOMPLISHED TROUBLESHOOTING CABIN ODOR JOB CARD IAW 03L00021001. NO DISCREPANCIES NOTED.…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Air conditioning and pressurization · blower · failedJun 11, 2013

    DURING CRUISE, ENROUTE, CREW REPORTED A SMOKE SMELL IN THE CABIN. NO EMERGENCY WAS DECLARED AND THE SMELL DISSIPATED WITH THE SUSPECT BEING A VENT FAN ON ALTERNATE. FLIGHT LANDED AT DESTINATION WITHOUT FURTHER INCIDENT. MX FOUND THE NORMAL EQUIPMENT COOLING FAN FAILED. R & R NORMAL EQUIPMENT…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Lights · wire · brokenJun 10, 2013

    CREW REPORTED THE RED EMERGENCY LIGHT ON SEAT 11C INOP. MX SPLICED BROKEN WIRE FOR EMERGENCY LIGHT AT ROW 11C. REF SWPM 20-30-12. LIGHT OPS CHECKS OK.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
Show all 10 reports
  • Lights · bracket · brokenMar 27, 2013

    CREW REPORTED THE LOW LEVEL LIGHTING BRACKET IS BROKEN ON EMERGENCY EXIT LIGHT AT 11C. MAINTENANCE REPLACED BRACKET. CHECKS GOOD.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Lights · light · inoperativeMar 6, 2013

    CREW REPORTS THE EMERGENCY EXIT LIGHT ON AISLE SEAT EXIT ROW INOP. MAINTENANCE REMOVED AND REPLACED EMERGENCY EXIT LIGHT AT OVERWING EXIT ROW, A/C LEFT, PER BSWPM 20-30-12 AND CMM 25-40-61, PAGES 7003 AND 7004 ITEMS 14 AND 15.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Lights · lens · missingFeb 8, 2013

    CREW REPORTED THE LEFT AFT OVERWING EXIT LIGHT LENS MISSING. MAINTENANCE REPLACED EXIT LIGHT ASSEMBLY AS REQUIRED. OPS CHECK OK.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Lights · lens · missingFeb 6, 2013

    CREW REPORTED THE EMERGENCY EXIT FLOOR LENS COVER IS MISSING ON EXIT SIGN, AIRCRAFT LEFT, EMERGENCY EXIT ROW. MAINTENANCE INSTALLED NEW LENS COVER ON LEFT EMERGENCY EXIT ROW 12C.

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

    MAINTENANCE REPORTED THE FORWARD OVERWING EMERGENCY EXIT DIRECTIONAL SIGN (A/C LEFT) INOPERATIVE. MAINTENANCE REPLACED LIGHT ASSEMBLY. CHECKS OK IAW AMM 33-51-02, PB 001.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Lights · charger · inoperativeJan 1, 2013

    MAINTENANCE REPORTED THE R2 DOOR OVERHEAD EMERGENCY LIGHT INOPERATIVE. MAINTENANCE REMOVED AND REPLACED AFT LEFT OVERHEAD BATTERY CHARGER ASSEMBLY PER AMM 31-51-51-962 ALONG WITH BATTERY PACK PER AMM 33-51-51-962. OPS CHECK OK.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Wings · skin · crackedNov 8, 2012

    RON - NR 3 SLAT SKIN CRACKED 61 INCHES OUTBOARD OF INBOARD END AT TRAILING EDGE OF LOWER LEADING EDGE SKIN. REMOVED AND REPLACED SLAT IAW JOB CARD 03C30227005.

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

Showing the 10 most recent of 139 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 20, 2026
  • FAA Service Difficulty ReportsReports since 1995updated Oct 16, 2026

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