Skip to content
KnownTail
Aircraft record

N172441999 Boeing 737-824

Registration validUnclaimedSource: FAA, updated Oct 19, 2026

Safety record in brief:No NTSB accidents or incidents since 198221 ADs may apply118 service difficulty reports

Registration
Valid
expires Oct 31, 2028
Based in
Chicago, IL
owner city / state
Engine
CFM56 SERIES · 2200 hp
Cfm Intl.
Owners
1
since 2021
NTSB events
None
since 1982
ADs may apply
21
confirm with A&P
Service reports
118
since 1995

Registration

FAA Aircraft Registry · Oct 19, 2026
Registered owner
United Airlines INC
Owner type
Corporation
City, state
Chicago, IL
Certificate issued
Oct 14, 2021
Expires
Oct 31, 2028
Airworthiness
Standard · Transport
Airworthiness date
Nov 1, 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
737-824
Year
1999
Serial number
28954
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
A1239C

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. 2021 – nowUnited Airlines INCChicago, IL · current

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 (737-824)
2002-20-07 R1Boeing Model 737 Series AirplanesNov 12, 2002Airframe (737-824)
2002-20-07Boeing Model 737 Series AirplanesNov 12, 2002Airframe (737-824)
2001-11-11Boeing Model 737, 747, and 777 Series AirplanesJul 16, 2001Airframe (737-824)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 (737-824)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 (737-824)
2000-22-02 R1Boeing Model 737 Series AirplanesNov 13, 2000Airframe (737-824)
2000-22-02Boeing Model 737 Series AirplanesNov 13, 2000Airframe (737-824)
2000-15-16Boeing Model 737, 757, 767, and 777 Series AirplanesSep 12, 2000Airframe (737-824)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 (737-824)
99-22-16Boeing Model 737 Series AirplanesDec 7, 1999Airframe (737-824)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 (737-824)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 (737-824)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 (737-824)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 (737-824)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 (737-824)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 (737-824)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 (737-824)
97-05-10Boeing Model 737 Series AirplanesMar 19, 1997Airframe (737-824)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 (737-824)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 (737-824)

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

Service Difficulty Reports (118)

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 · outflow valve · faultedJun 24, 2026

    IN DESCENT THROTTLES IDLE NOTICABLE PRESS BUMP. NEEDLE SHOWS 300 0 DN THEN RECOVERS PILOT CLARIFIED NEEDLE DN FLUCTUATED TO 3000 AND BEHAVED ERRATICALLY. CONTROLLER FAULT 19 OFV. REMOVED AND REPLACED AFT OUTFLOW VALVE ASSY. OPS CHECKS & GROUND CHKD SYS OKAY ON BOTH CONTROLLERS IAW AMM…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Air conditioning and pressurization · filter · odorMay 27, 2026

    DIRTY SOCK SMALL ON CLIMB AND ARRIVAL BLEEDS AND PACKS WERE ON. REMOVED AND REPLACED BOTH LEFT AND RIGHT RECIRCULATION FILTERS REF AMM 21-25-01 RAN BOTH ENGINES WITH BLEEDS ON NO SMELL NOTED WHILE RUNNING ENGINES OR APU BLEEDS.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Equipment and furnishings · slide · no discrepancyOct 8, 2025

    R2 DOOR SLIDE REMOVED FOR TS OF DOOR HANDLE, REINSTALLED R2 DOOR SLIDE MM 25-66-01-400-803. RENDERED SAFETY CHECKLIST COMPLETED. VERIFIED RII REQUIREMENTS REF MM 25-66-01-400-803

    From FAA Service Difficulty Reports; matched by N-number and serial number.
Show all 10 reports
  • Lights · bulb · inoperativeOct 2, 2025

    RIGHT FORWARD OVERWING EXTERNAL EMERGENCY EXIT LIGHT INOPERATIVE. REMOVED AND REPLACED THE BULB IAW AMM 33-51-04-960-801, OPS CHECKED OK.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Equipment and furnishings · slide · looseSep 11, 2025

    R2 DOOR SLIDE LOWER Z FOLD HITTING DOOR THRESHOLD. REMOVED AND REPLACED R2 DOOR SLIDE REF AMM 25-66-01-000-803 AND REF AMM 25-66-01-400-803.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · frame · crackedAug 28, 2025

    AFT CARGO COMP CRACKED AT FRAME AROUND FASTENER HEAD STA 947.5 RBL 9. ACCOMPLISHED REPAIR OF STA 947 FRAME AT RBL 15 TO BL 0 IAW ESR WI#53-12688 AND SRM 51-40-02-0G-0.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · support · corrodedAug 26, 2025

    FORWARD CARGO COMPARTMENT CORROSION OUT OF LIMITS, SIDEWALL SUPPORT BETWEEN STR 23L-25 BS 500D.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · bracket · damagedAug 22, 2025

    MAIN E&E COMP BRACKET BETWEEN BS 294.5 - 312, S22L FASTENER HOLES ELONGATED. LOCATED, DRILLED, DEBURRED, TREATED, PRIMED AND INSTALLED NEW BRACKET AT MAIN E&E COMP BRACKET BETWEEN BS 294.5-312, S22L IAW SRM 51-40-05-0G-0, AMM 51-21-72-370-804, AMM 51-21-41-370-802 AND SRM 52-40-02-0G-0.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · strap · corrodedAug 21, 2025

    MAIN E&E COMP LEFT, CORROSION AT STRAP BETWEEN BS 294.5 - 312, S22L.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · door sill · corrodedAug 21, 2025

    DAMAGE FOUND ON FORWARD ENTRY DOORWAY, LEFT, LOWER AUXILIARY SILL OUTER CHORD BETWEEN STA.299 AND STA.348 AT STR 23L. ACCOMPLISHED REPAIR PER ECRA 5310-08680 DIP REQUIRED PER ECRA5310-08680

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

Showing the 10 most recent of 118 reports.

Related aircraft

Show all 8 related aircraft
All 135 registered Boeing 737-824 aircraft

Sources

  • FAA Aircraft RegistryRegistration, owner city and state, airframe, engineupdated Oct 19, 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

Request owner name removalReport an error in this record

Claim this airplaneWatch