Aircraft record

N454UW1991 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 apply136 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: 136; 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: Jan 30, 1991
Canceled: Mar 1, 2018
Airworthiness: Standard · Transport
Airworthiness date: Jan 30, 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: 24996
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: A582CF

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

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.

AD	Subject	Effective	Applies to
2019-14-02	Hydraulic power	Aug 27, 2019	Airframe (737-4B7)
2002-20-07 R1	Boeing Model 737 Series Airplanes	Nov 12, 2002	Airframe (737-4B7)
2002-20-07	Boeing Model 737 Series Airplanes	Nov 12, 2002	Airframe (737-4B7)
2001-11-11	Boeing Model 737, 747, and 777 Series Airplanes	Jul 16, 2001	Airframe (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
2001-10-14	Boeing Model 737, 747, 757, 767, and 777 Series Airplanes	Jun 8, 2001	Airframe (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

AD	Subject	Effective	Applies to
2001-08-24	Boeing Model 737 Series Airplanes	May 10, 2001	Airframe (737-4B7)
2000-22-02 R1	Boeing Model 737 Series Airplanes	Nov 13, 2000	Airframe (737-4B7)
2000-22-02	Boeing Model 737 Series Airplanes	Nov 13, 2000	Airframe (737-4B7)
2000-15-16	Boeing Model 737, 757, 767, and 777 Series Airplanes	Sep 12, 2000	Airframe (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.
99-11-05	Boeing Model 737 Series Airplanes	Jun 28, 1999	Airframe (737-4B7)
99-22-16	Boeing Model 737 Series Airplanes	Dec 7, 1999	Airframe (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 R1	Boeing Model 737, 747, 757, 767, and 777 Series Airplanes	Dec 28, 1998	Airframe (737-4B7)Serial numbers per Boeing Alert Service Bulletins 737-27A1212, 747-27A2368 Revision 2, 757-27A0128, 767-27A0156, 777-27A0029 Revision 1
98-22-10	Boeing Model 737 Series Airplanes	Nov 12, 1998	Airframe (737-4B7)Serial numbers per Boeing Service Bulletin 737-53A1108, Revision 5, dated October 26, 1989
98-18-20	Boeing Model 727 and Model 737 Series Airplanes Equipped with J.C. Carter Company Fuel…	Oct 21, 1998	Airframe (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).
98-13-12	Boeing Model 737, 747, 757, 767, and 777 Series Airplanes	Jul 6, 1998	Airframe (737-4B7)Serial numbers per Boeing Alert Service Bulletins 737-27A1212, 747-27A2368, 757-27A0128, 767-27A0156, and 777-27A0029, dated March 26, 1998
98-03-10	Boeing Model 737, 747, 757, and 767 Series Airplanes	Feb 19, 1998	Airframe (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.
97-22-07	Boeing Model 737 Series Airplanes	Nov 12, 1997	Airframe (737-4B7)Certain serial numbers: 737 292–2565. Only with: Limited to airplanes with line numbers 292 through 2565 inclusive.
97-18-06	Boeing Model 737 Series Airplanes	Nov 12, 1997	Airframe (737-4B7)
97-05-10	Boeing Model 737 Series Airplanes	Mar 19, 1997	Airframe (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.
97-04-01	Boeing Model 737 Series Airplanes	Mar 21, 1997	Airframe (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
95-23-10	Boeing Model 737 Series Airplanes	Dec 13, 1995	Airframe (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 (136)

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.

Wings · panel · debondedJun 25, 2013
ENGINE CHANGE VISIT -NR 1 SPOILER BOARD DISBONDED IN 1 AREA ON TOP SIDE AT INBD AFT CORNER. REPLACED NR 1 SPOILER PANEL IAW AMM 27-62-91.
From FAA Service Difficulty Reports; matched by N-number and serial number.
Air conditioning and pressurization · filter · unserviceableJun 13, 2013
FORWARD F/A REPORTED A BURNING SMELL SIMILAR TO A RAG BURNING IN FIRST CLASS. MX COMPLIED WITH TROUBLESHOOTING CABIN ODOR 737, JOB CARD 03L00021001. R & R RECIRCULATION FAN HEPA FILTERS IAW AMM 21-21-23-404-059 AND AMM 21-21-23-004-055.
From FAA Service Difficulty Reports; matched by N-number and serial number.
Fuselage · bulkhead · crackedMay 14, 2013
BULKHEAD INSP - CRACK IN FORWARD BULKHEAD WEB AT BS 178, WL 234, RBL 5.7. REPAIRED FORWARD BULKHEAD WEB AT BS 178, WL 234, RBL 5.7 IAW B737 SRM 53-10-08 & ENGINEERING ORDER 5300V153A.
From FAA Service Difficulty Reports; matched by N-number and serial number.

Show all 10 reports

Stabilizers · tab · delaminatedApr 27, 2013
RON VISIT - DELAMINATION ON LEFT ELEVATOR TAB 2 INCHES FROM LEADING EDGE ALONG ENTIRE SPAN LENGTH APPROX 5 FEET. REPLACED LEFT ELEVATOR TAB IAW JOB CARD.
From FAA Service Difficulty Reports; matched by N-number and serial number.
Electrical power · gcu · faultyMar 17, 2013
CREW REPORTED THE NR 1 TRANSFER BUS OFF LIGHT CYCLED DURING FLIGHT RAPIDLY. LOSS OF CAPTAINS FLIGHT INSTRUMENTS: AUTO THROTTLES, FMC, FUEL GAUGES AND OTHERS. CREW DECLARED AN EMERGENCY AND RETURNED TO FIELD AT PHL. FLIGHT LANDED AND TAXIED TO THE GATE WITHOUT FURTHER INCIDENT. MAINTENANCE FOUND…
From FAA Service Difficulty Reports; matched by N-number and serial number.
Lights · power supply · faultyJan 27, 2013
CREW REPORTED THE AFT EMERGENCY EXIT LIGHTS 2L, 2R AND AFT GALLEY OVERHEAD EMERGENCY LIGHT ON WITH COCKPIT AND F/A SWITCH IN ARM. MAINTENANCE REMOVED AND REPLACED POWER SUPPLY IAW AMM 33-51-51-962-016. OPS CHECK GOOD AT THIS TIME.
From FAA Service Difficulty Reports; matched by N-number and serial number.
Lights · power supply · inoperativeJan 18, 2013
MAINTENANCE REPORTED THE 2L DOOR EXTERIOR EMERGENCY LIGHT INOPERATIVE. MAINTENANCE INSTALLED SERVICEABLE EMERGENCY LIGHT POWER SUPPLY (M1197). REFERENCE 33-51-51 OF 737 AMM. OPS CHECKS GOOD.
From FAA Service Difficulty Reports; matched by N-number and serial number.
Electrical power · gcu · faultyOct 7, 2012
DEPARTED PVD WITH MEL 49-01A ASSIGNED (APU WON'T START). EN ROUTE TO CLT, NR 2 GENERATOR DROPPED OFF LINE. AT FIRST, IT WOULD NOT RESET. COMPLETED CHECKLIST AND GENERATOR RESET. ALL INDICATIONS NORMAL. CONTINUED TO CLT AND LANDED WITHOUT INCIDENT. MX TROUBLESHOT FOR LV TRIP AND FLUCTUATING VOLTAGE…
From FAA Service Difficulty Reports; matched by N-number and serial number.
Stabilizers · skin panel · crackedAug 9, 2012
C5 CHECK - RIGHT HORIZONTAL STABILIZER LOWER SKIN CRACKED AT STAB STATION 120.30, TRAILING EDGE. REPAIRED SKIN IAW EA 104170.
From FAA Service Difficulty Reports; matched by N-number and serial number.
Stabilizers · skin · crackedAug 2, 2012
C5 CHECK - LEFT HORIZONTAL STABILIZER LOWER SKIN CRACKED AT STAB STATION 138.7, 1.90 INCHES FORWARD OF TRAILING EDGE. REPAIRED SKIN IAW EA 104167.
From FAA Service Difficulty Reports; matched by N-number and serial number.

Showing the 10 most recent of 136 reports.

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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