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Aircraft record

N147351999 Boeing 737-724

Registration validUnclaimedSource: FAA, updated Oct 20, 2026

Safety record in brief:No NTSB accidents or incidents since 198221 ADs may apply127 service difficulty reports

Registration
Valid
expires Apr 30, 2028
Based in
Chicago, IL
owner city / state
Engine
CFM56 SERIES · 2200 hp
Cfm Intl.
Owners
1
since 1999
NTSB events
None
since 1982
ADs may apply
21
confirm with A&P
Service reports
127
since 1995

Registration

FAA Aircraft Registry · Oct 20, 2026
Registered owner
United Airlines INC
Owner type
Corporation
City, state
Chicago, IL
Certificate issued
Sep 23, 1999
Expires
Apr 30, 2028
Airworthiness
Standard · Transport
Airworthiness date
Sep 21, 1999

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
737-724
Year
1999
Serial number
28950
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
A0BF90

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. 1999 – nowUnited Airlines INCChicago, IL · current
  2. 1971Co-ownersPascagoula, MS · different airframe: 1934 Taylor E-2 S/N 142

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.

Accident history for this model

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 (737-724)
2002-20-07 R1Boeing Model 737 Series AirplanesNov 12, 2002Airframe (737-724)
2002-20-07Boeing Model 737 Series AirplanesNov 12, 2002Airframe (737-724)
2001-11-11Boeing Model 737, 747, and 777 Series AirplanesJul 16, 2001Airframe (737-724)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 (737-724)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 (737-724)
2000-22-02 R1Boeing Model 737 Series AirplanesNov 13, 2000Airframe (737-724)
2000-22-02Boeing Model 737 Series AirplanesNov 13, 2000Airframe (737-724)
2000-15-16Boeing Model 737, 757, 767, and 777 Series AirplanesSep 12, 2000Airframe (737-724)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 (737-724)
99-22-16Boeing Model 737 Series AirplanesDec 7, 1999Airframe (737-724)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 (737-724)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 (737-724)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 (737-724)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 (737-724)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 (737-724)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 (737-724)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 (737-724)
97-05-10Boeing Model 737 Series AirplanesMar 19, 1997Airframe (737-724)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 (737-724)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 (737-724)

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

Service Difficulty Reports (127)

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 23, 2026

    VERY MUSTY ODOR FROM ENVIRON SYS IN COCKPIT & CABIN. CABIN CREW REPORTED THEY DID NOT NOTICE ANY SMOKE OR ODOR THROUGHOUT FLIGHT. BURN OUT HAS BEEN REQUESTED TO CORRECT FAULT PER AMM TASK 05-51-26-800-801-C1 SECTION E. COMPLIANCE ON BURNOUT IAW AMM. NO MUSTY/DIRTY SOCK SMELL NOTICED, VERIFIED BY…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Wings · spar · corrodedApr 1, 2026

    FOUND CORROSION AT RT WING FRONT SPAR AT BOOST PUMP UPPER BONDING STRAP ATTACH AREA. CORROSION AT AT RT WING FRONT SPAR AT BOOST PUMP UPPER BONDING STRAP ATTACH AREA HAS BEEN REPAIRED IAW ESR-WI NO.: 2024262-35-14824

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · stiffener · corrodedMar 25, 2026

    STIFFENER CORRODED OUT OF LIMITS BETWEEN STA 227.8 AND STA 219.8 BL0. FABRICATED STIFFENER AT FWD E&E BETWEEN STA 227.8 TO STA 219.8, BL"0", REF. DRW 141A3504, AND STANDARD BAC5300, AND INSTALLATION ACCOMPLISHED ON AAR N/R S/N#100007959, AND EC/RA #5310-08847 REV. ORIGINAL. LP8319167.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
Show all 10 reports
  • Fuselage · web · damagedMar 25, 2026

    WEB AT STA351 BL "0" HAS SEVERAL ELONGATED FASTENER HOLES. INSTALLED REPAIR AT STA 351, BETWEEN BL 0 AND RBL 10 AS PER SRM 51-40-02-0G-0, AAR ESR-WI 29-14817 REV IR, AND EC/RA #5310-08844 REV. ORIGINAL.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · frame · corrodedMar 24, 2026

    FWD E/E ACCESS FRAME STA 227.8 BL 0 WITH CORROSION AREA. TRIMMED OUT CORRODED AREA AT FWD E/E STA 227.8, BL "0", AND INSTALLED REPAIR. THIS IS A CATEGORY B REPAIR AND REQUIRES INSPECTIONS PER EC/RA# 5310-08847 REV. ORIGINAL, PART 1 STEP 2 & 3. REF SRM 51-10-02-0G-0, 51-40-02-0G-0, DWG 141A7410…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · web · crackedMar 20, 2026

    FWD E/E COMP WEB CRACKED AT STA 219.8 BL 0. CUT AND REMOVED DAMAGED SECTION ON WEB STA 219.8 BL"O", AT FWD E/E, AND INSTALLED REPAIR REF EC/RA 5310-08843 REV. ORIGINAL , B737 SRM 51-10-02-0G-0, AND 51-40-02-0G-0.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · channel · corrodedMar 13, 2026

    AFT CARGO LEFT ZEE CHANNELS HAVE CORROSION FROM BS 727A - 847. REPLACED ZEE CHANNEL IAW SRM 51-40-02-0G-0, AND DWG 146A7500.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · shield · corrodedMar 11, 2026

    AFT CARGO SHIELD CORRODED, RBL 20, BS 767 - 787. REPLACED THE AFT CARGO SHIELD IAW SRM 51-40-02-0G-0, & DWG 146A8127.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · shield · corrodedMar 10, 2026

    CORROSION AT SEVERAL SPOTS AT FWD CARGO BILGE FLOOR STRUCTURE SHIELD. BS 492 - 500A, STRINGER 26R. REPLACED FWD CARGO BILGE FLOOR STRUCTURE SHIELD IAW SRM 51-40-02-0G-0 AND DWG 143A8126.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · channel · corrodedMar 10, 2026

    CORROSION AT SEVERAL SPOTS AND A CRACK AT FWD CARGO LT ZEE CHANNEL, BS 400 - 500D. REPLACED THE FWD CARGO ZEE CHANNELS IAW SRM 51-40-02-0G-0, AND DWG 143A7500.

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

Showing the 10 most recent of 127 reports.

Related aircraft

Show all 8 related aircraft
All 36 registered Boeing 737-724 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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