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Aircraft record

N172331999 Boeing 737-824

Registration validUnclaimedSource: FAA, updated Oct 19, 2026

Safety record in brief:No NTSB accidents or incidents since 198221 ADs may apply120 service difficulty reports

Registration
Valid
expires Jul 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
120
since 1995

Registration

FAA Aircraft Registry · Oct 19, 2026
Registered owner
United Airlines INC
Owner type
Corporation
City, state
Chicago, IL
Certificate issued
Jul 19, 2021
Expires
Jul 31, 2028
Airworthiness
Standard · Transport
Airworthiness date
Jul 22, 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
28943
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
A12378

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
  2. 1972 – 1973Individual ownerAlice, TX · different airframe: Cessna 150l S/N 15073681
  3. 1946 – 1953Individual ownerBurbank, CA · different airframe: 1936 Piper J-2 S/N 899

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 (120)

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 · coffeemaker · faultedAug 7, 2026

    AT CRUISE AFT FA OBSERVED SMOKE COMING FROM COFFEE POT 419. FA PULLED CBS AND SMOKE SUBSIDED. NE EMERGENCY ACTIONS TAKEN. ATTENDING FA COMPLETED SMOKE AND ODOR REPORT. CONFIRMED SMOKE EMANATING FROM COFFEMAKER 419 WITH CORRESPONDING ELECTRICAL ODOR. REF LP 9885889 COFFEE MAKER INOPERATIVE G4 AFT…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Water and waste · coupling · detachedJul 28, 2026

    REMOVED FORWARD CARGO COMPARTMENT AFT BULKHEAD LINER PANELS. FOUND WASTE LINE CLAMP COUPLING OFF OF THE LINE BEHIND FORWARD CARGO COMPARTMENT AFT BULKHEAD LINER PANEL BHD 500I. LINE IS LOCATED ABOVE LH RECIRCULATION FILTER. IMAGES SHOW EXACT LOCATION WHERE CLAMP COUPLING GOES. ORDERED 2…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Lights · bulb · burned outJun 7, 2026

    EMERGENCY LIGHTS - OPERATIONAL CHECK EMERGENCY LIGHTS OPERATIONAL CHECK - EMERGENCY EXIT SIGN AT DOOR 2L HAS BULBS BURNT OUT RELAMPED REF AMM 33-51-01-960-801. BOTTOM BULB STILL INOP AFTER MULTIPLE RELAMPS. SUSPECT BAD ASSY. REPLACED EXIT ASSY REF AMM 33-51-01-960-802. OPC NORMAL. NO FURTHER…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
Show all 10 reports
  • Lights · lamp · inoperativeMay 28, 2026

    EXTERIOR EMERGENCY LIGHT AFT OF L2 DOOR IS INOPERATIVE. REPLACED THE LAMPS IAW AMM 33-51-04-960-801.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Air conditioning and pressurization · unknown · odorDec 4, 2025

    FAS REPORTED SMOKE ODOR NEAR 1ST CLASS WALL. COMPLETED CONDITIONAL INSPECTION FOR SMOKE ODOR IN 1ST CLASS AREA IAW AMM 05-51-26-800-801-C1, NO FAULT NOTED.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuel · processor · faultedNov 19, 2025

    REPEAT ISSUE, RT TANK QTY STUCK AT 6.93 FOR 30 MINS IN CRUISE & THEN RAPIDLY DECREASED. PERFORMED BITE TEST OF THE FQIS, TESTED GOOD, AS A PRECAUTION, REMOVED AND REPLACED WITH A NEW FUEL QUANTITY PROCESSOR UNIT IAW TASK 28-41-81-000-801, AND TASK 28-41-81-400-801, BITE TESTED GOOD ON THE FUEL…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Lights · light · inoperativeNov 7, 2025

    SEAT ROW 11 LT EMERGENCY ESCAPE LIGHT INOPERATIVE. REMOVED AND REPLACED THE LIGHT ASSEMBLY AT SEAT ROW 11, OPS CHECKS GOOD IAW AMM 33-51-11-960-802.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Lights · power supply · no testNov 3, 2025

    BATTERY PACK FAILED FUNCTIONAL CHECK, REMOVED AND REPLACED THE M1675 BATTERY PACK AND POWER SUPPLY IAW AMM 33-51-06.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Wings · skin · crackedNov 3, 2025

    CRACK INDICATION AT THE MOST OTBD FASTENER HOLE AT STR 9 ON THE RT WING LOWER SKIN APPROX .75" IN LENGTH AT THE 6 O'CLOCK POSITION LOOKING AFT. REPAIRED RT WING LOWER SKIN IAW REO G25610, REV IR, AND EC/RA 5720-03575. MAJOR REPAIR.

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

    FWD WET AREA RT, BS 328 RBL 27-53, FRAME HAS CORROSION AT FASTENER HOLES. REMOVED DAMAGE, FABRICATED, LOCATED, DRILLED REPAIR PARTS, HFEC AREA, NO CRACKS NOTED. INSTALLED REPAIR AND RESTORED COATING IAW SRM 53-10-51-2R-7, FIG 205, REPAIR 7, AND ECRA 5315-01228 REV-. CATAGORY A REPAIR. NO FURTHER…

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

Showing the 10 most recent of 120 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

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