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Aircraft record

N217231999 Boeing 737-724

Registration validUnclaimedSource: FAA, updated Oct 19, 2026

Safety record in brief:No NTSB accidents or incidents since 198221 ADs may apply80 service difficulty reports

Registration
Valid
expires Jan 31, 2030
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
80
since 1995

Registration

FAA Aircraft Registry · Oct 19, 2026
Registered owner
United Airlines INC
Owner type
Corporation
City, state
Chicago, IL
Certificate issued
Apr 23, 1999
Expires
Jan 31, 2030
Airworthiness
Standard · Transport
Airworthiness date
Apr 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
28790
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
A1D63D

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. 1994Special Air Service CorpMiami, FL · different airframe: Piper Pa-31-350 S/N 318152028
  3. 1958 – 1967Individual ownerEl Cajon, CA · different airframe: 1940 Heideman-Bowlus B-3 S/N 3

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 (80)

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.

  • Lights · fuse · blownDec 18, 2025

    ALL THREE EMERGENCY EXIT LIGHTS INOPERATIVE AT THE LT OVERWING EXIT. REPLACED THE FUSES IN M1668 POWER SUPPLY 33-51-06-960-804.. EMERGENCY EXIT LIGHTS OP CKS GOOD.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Lights · battery pack · no testDec 16, 2025

    EMERGENCY LIGHT BATTERY M1674 FAILED A CAPACITY CHECK AND REQUIRES REPLACEMENT. R & R THE BATTERY PACK IAW AMM 33-51-06-960-805 OPS CHK GOOD

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Lights · battery pack · no testDec 16, 2025

    EMERGENCY LIGHT BATTERY M1675 FAILED A CAPACITY CHECK AND REQUIRES REPLACEMENT. REMOVED AND REPLACED THE BATTERY PACK IAW AMM 33-51-06-960-805, OPS CHKD GOOD.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
Show all 10 reports
  • Lights · battery pack · no testDec 16, 2025

    EMERGENCY LIGHT BATTERY M1669 FAILED A CAPACITY CHECK & REQUIRES REPLACEMENT. REPLACED EMERGENCY BATTERY M1669, OPS CHECKED GOOD IAW MM 33-51-06-200-801.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Lights · battery pack · no testDec 16, 2025

    EMERGENCY LIGHT BATTERY M1672 FAILS CAPACITY CHECK AND REQUIRES REPLACEMENT. REPLACED THE BATTERY M1672, OPS CHECKED GOOD IAW MM #33-51-06-200-801.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Wings · winglet · ground damageOct 18, 2025

    ON TAXI IN RIGHT WING HIT ANOTHER AIRCRAFT BEGAN REMOVAL OF RIGHT WINGLET REF AMM 57-21-21-000-801. UP TO STEP 2. H(3) ADD EMP:U425084 CONTINUED FROM STEP 2. H (4) AND REMOVED RH WINGTIP REF AMM 57-21-21-000-801 ADD EMP:U397485,438241 SDR INFO UPDATE ADD EMP:U397485,U438241 ACCOMPLISHED RH WINGLET…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Equipment and furnishings · slide · dislodgedSep 5, 2025

    FWD SVC DDOR SLIDE OUT OF BUSSEL SLIDE PACK NOT OUT OF SLIDE PACK COVER. EXCESS GIRT MATERIAL PULLED OUT DUE TO ROUGH HANDLING OF GIRT BAR. REPOSITIONED EXCESS GIRT MATERIAL AND POSITION TO CREATE Z FOLD REF MM SUBTASK 25-66-01-420-002 STEPS D. (2) (C) THRU (H). GIRT MATERIAL SECURE ON HOOK AND…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Equipment and furnishings · girt bar · out of limitsAug 16, 2025

    DOOR 2R SLIDE IS TOUCHING CABIN FLOOR VERFIED WHEN WE TRIED TO CLOSE R2 DOOR THE SLIDE TOUCHING THE DOOR EDGE AND UNABLE TO CLOSE THE DOOR. REMOVED R2 DOOR SLIDE AND RESECURED GIRT MATERIAL. REINSTALLED AND CHECKED FOR CLEARANCE. NO HELP STILL THE DOOR SLIDE GIRT MATERIAL TOUCHING THE DOOR EDGE.…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Exhaust · roller · wornJun 28, 2025

    REVERSER LIGHT LIGHT ON, THRUST REVERSER OPS NORMALLY ENGINE 1 REQUESTING MEL 7801A FOR #1 ENGINE THRUST REVERSER. COMPLIED WITH. THRUST REVERSER LOCKED OUT. OBSERVED FOR STOW FAULT CHANGED SLEEVE STOWAGE PROX SENSOR ROLLERS REF IPC/AMM 78-34-01. NOTICED THE ROLLERS WERE WORN OUT. CYCLED #1 ENGINE…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Equipment and furnishings · sight gauge · no discrepancyMay 9, 2025

    FA REPORTS DOOR 1L SLIDE SIGHT GAUGE SHOWING BOTH GREEN AND RED. INSPECTED SLIDE PRESSURE REF AMM 25-66-01-200-801 AND FOUND SLIDE BOTTLE PRESSURE IS JUST WITHIN THE GREEN BAND.

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

Showing the 10 most recent of 80 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 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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