Skip to content
KnownTail
Aircraft record

N459UW1991 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, 2014.

Safety record in brief:No NTSB accidents or incidents since 198221 ADs may apply66 service difficulty reports

Registration
Deregistered
Last based in
Cedar Rapids, IA
owner city / state
Engine
CFM56 SERIES · 2200 hp
Cfm Intl.
Owners
1
on record
NTSB events
None
since 1982
ADs may apply
21
confirm with A&P
Service reports
66
since 1995

Registration

FAA Aircraft Registry · Oct 20, 2026
Last registered owner
Individual owner
City, state
Cedar Rapids, IA
Canceled
Apr 17, 2014
Airworthiness
Standard · Transport
Airworthiness date
Apr 3, 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
25023
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
A59562

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. until 2014Individual ownerCedar Rapids, IA

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 (66)

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.

  • Equipment and furnishings · slide · leakingApr 8, 2013

    DURING AFT SERVICE DOOR (R2) ESCAPE SLIDE OPERATIONAL CHECK PER J/C 03L10025002, THE ESCAPE SLIDE DEPLOYED AS REQUIRED BUT FAILED TO HOLD PRESSURE DUE TO A LEAK AT SEAM. MAINTENANCE REMOVED AND REPLACED THE AFT SERVICE DOOR (R2) ESCAPE SLIDE PER AMM 25-61-35-402-007.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Autoflight · unknown · malfunctionedDec 4, 2012

    AFTER TAKEOFF AROUND 500 FEET, BOTH ENGINES THRUST FLUCTUATED UP AND DOWN, THROTTLES MOVED BACK AND FORTH, AND N1 BUGS WENT TO 0. A/T LIMIT ANNUNCIATED ON ANNUNCIATOR PANEL. MAY HAVE BEEN SOME OTHER ABNORMAL INDICATIONS, BUT ONLY LASTED A FEW SECONDS BEFORE EVERYTHING RETURNED TO NORMAL.…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Wings · skin · delaminatedOct 30, 2012

    RON VISIT - DELAMINATION ON LEFT WING NR 2 SPOILER UPPER SURFACE. REPLACED LEFT WING NR 2 SPOILER IAW B737 AMM 27-61-11.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
Show all 10 reports
  • Equipment and furnishings · megaphone · inoperativeSep 15, 2012

    MAINTENANCE REPORTED THE FORWARD MEGAPHONE INOPERATIVE. MAINTENANCE REPLACED THE FORWARD MEGAPHONE AND OPERATIONAL TESTED PER AMM 25-64-04.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Wings · skin · wornSep 5, 2012

    C5 CHECK - WEAR ON UPPER LEADING EDGE SKIN OF RIGHT OUTBOARD FORE FLAP 6 INCHES FROM INBOARD EDGE. REPLACED RIGHT OUTBOARD FORE FLAP IAW B737-400 AMM 27-51-37-404-009.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Lights · cover · missingAug 13, 2012

    CREW REPORTED THE EMERGENCY EXIT COVER MISSING AT ROW 11C. MAINTENANCE RE-SECURED LENS COVER AT 11C.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Flight controls · jackshaft · lack of lubeJul 24, 2012

    CREW REPORTED THE FIRST OFFICERS RUDDER PEDAL ADJUSTMENT WILL NOT MOVE FORWARD OR AFT. MAINTENANCE CLEARED DEBRIS, CLEANED AND LUBED PEDAL ADJUSTMENT JACKSHAFT ASSEMBLY. OPS CHECK OK.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Lights · battery · dischargedJul 18, 2012

    SEVERAL EMERGENCY LIGHTS INOP AT R2 DOOR AREA. REPLACED AFT GALLEY CEILING RIGHT BATTERY AND POWER SUPPLY UNIT PER AMM 33-51-51. OPS CHECK GOOD.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Lights · lens · missingJun 3, 2012

    CREW REPORTED THE EMERGENCY EXIT LIGHT COVER MISSING BY SEAT 11F. MAINTENANCE REPLACED LIGHT LENS PER AMM 33-51-11-032-030.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Air conditioning and pressurization · modulating valve · faultyMay 15, 2012

    AFTER BEING TOWED BACK TO GATE WITH LEFT PACK SWITCH OFF, THE LEFT PACK LIGHT CAME ON AND AIRCRAFT FILLED WITH ABNOXIOUS ODOR/DIRTY SOCK SMELL. DEPLANED AIRCRAFT. DUE TO LOW APU AIR PRESSURE ON START, TURBO FAN WAS THOUGHT TO BE STUCK ON. CLOSED FAN CONTROL VALVE AND WAITED FOR JETWAY TO PULL UP…

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

Showing the 10 most recent of 66 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

Request owner name removalReport an error in this record

Claim this airplane