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Aircraft record

N304012001 Boeing 737-924

Registration validUnclaimedSource: FAA, updated Oct 18, 2026

Safety record in brief:1 NTSB incident (Feb 2019)21 ADs may apply74 service difficulty reports

Registration
Valid
expires Nov 30, 2030
Based in
Chicago, IL
owner city / state
Owners
1
since 2023
NTSB events
1
2019
ADs may apply
21
confirm with A&P
Service reports
74
since 1995

Registration

FAA Aircraft Registry · Oct 18, 2026
Registered owner
United Airlines INC
Owner type
Corporation
City, state
Chicago, IL
Certificate issued
Nov 3, 2023
Expires
Nov 30, 2030
Airworthiness
Standard · Transport
Airworthiness date
May 25, 2001

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
737-924
Year
2001
Serial number
30118
Aircraft type
Fixed wing multi engine
Category
Land
Certification
Type Certificated
Seats
191
Engines
2
Max takeoff weight
20,000 and over lb
Mode S code
A330A0

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. 2023 – nowUnited Airlines INCChicago, IL · current
  2. 1978 – 1982Viking Aviation INCLacrosse, WI · different airframe: 1978 Piper Pa-28-161 S/N 28-7816544

Individual owners are shown by city and state only.

Safety record

NTSB · Oct 15, 2026 · FAA ADs · Oct 18, 2026 · SDRs · Oct 16, 2026

NTSB events (1)

Incident

Feb 21, 2019 · Orlando, FL

A No. 1 (left) engine high pressure compressor stage 2 blade separation. The blade separated due to a mixed-mode fatigue crack that originated on a blade disk post and was initiated by a misaligned (out-of-schedule) high pressure compressor stage 1 variable stator vane that was missing a washer and retaining nut on the vane trunnion stem.

Injuries
None
Report
ENG19IA013

From NTSB records; matched by serial number.Read NTSB report (search CAROL for ENG19IA013)

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 (737-924)
2002-20-07 R1Boeing Model 737 Series AirplanesNov 12, 2002Airframe (737-924)
2002-20-07Boeing Model 737 Series AirplanesNov 12, 2002Airframe (737-924)
2001-11-11Boeing Model 737, 747, and 777 Series AirplanesJul 16, 2001Airframe (737-924)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 (737-924)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 (737-924)
2000-22-02 R1Boeing Model 737 Series AirplanesNov 13, 2000Airframe (737-924)
2000-22-02Boeing Model 737 Series AirplanesNov 13, 2000Airframe (737-924)
2000-15-16Boeing Model 737, 757, 767, and 777 Series AirplanesSep 12, 2000Airframe (737-924)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 (737-924)
99-22-16Boeing Model 737 Series AirplanesDec 7, 1999Airframe (737-924)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 (737-924)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 (737-924)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 (737-924)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 (737-924)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 (737-924)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 (737-924)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 (737-924)
97-05-10Boeing Model 737 Series AirplanesMar 19, 1997Airframe (737-924)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 (737-924)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 (737-924)

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

Service Difficulty Reports (74)

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.

  • Autoflight · autothrottle sys · faultedSep 14, 2026

    AUTOTHROTTLE DID NOT ENGAGE ON TAKEOFF AFTER MULTIPLE ATTEMPTS DURING INITIAL EVALUATION FOUND TAT AT + 99 DEGRESS R/R TAT PROBE IAW AMM 34-21-06, INSTALLATION TEST GOOD, PERFORMED A/T OPERATIONAL TEST IAW AMM 22-31-00 AND FIM 22-32 TASK 810, A/T ENGAGED.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Equipment and furnishings · oven · odorMar 21, 2026

    STRONG ODOR WHEN TRYING TO USE OVEN 2 IN AFT GALLEY. POSSBL ELE CTRIC SMELL. STOPPED USING IT OPS CHECK #2 AFT GALLEY OVEN, OKAY NO SMELL NOTED AT THIS TIME REF AMM 25-34-00.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuel · probe · faultyFeb 12, 2026

    FUEL IMBALANCE ON TANK 1 DECREASING RAPIDLY. PERFORMED NR 1 TANK FQIS DRY RESISTANCE AND CAPACITANCE CHECK IAW AMM 28-41-21-710-801, FOUND F15, F1, F2, F3, F4, F5, F6 FQIS TANK UNITS OUT OF LIMITS. R & R NR 1 FQIS TANK UNITS OUT OF LIMITS F15, F1, F2, F3, F4, F5, F6 IAW AMM 28-41-21-000/400-801.…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
Show all 10 reports
  • Equipment and furnishings · slide · unsecureJul 20, 2025

    AFT EMER EXIT SLIDES HANGING BELOW CONTAINER ADJUSTED R2 AFT SLIDE PACK AS REQ.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Water and waste · lavatory · odorJul 3, 2025

    FWD LAV LEAKING WATER, STRONG ODOR. REMOVED SHROUD AND VERIFIED RINSE WAS ISSUE, NO LEAKS WITH RINSE VALVE OFF. REQUESTING DRY FLUSH FOR LAV A MEL 3802. CAPTAIN REQUESTED LAV BE AVAILABLE. COMPLIED WITH MEL 3802B PLACARD INSTALLED. FWD LAV A DRY FLUSH. REVERSED MEL 3802B. REMOVED TOILET SHROUD IN…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fire protection · smoke detector · faultedJun 29, 2025

    SMOKE IN THE MID LAV SMOKE DETECTOR ACTIVATED WITH A FAINT BURNING ODOR SMOKE FORM FOUND MID LAV T SMOKE DETECTOR ACTIVATED WITH A FAINT SMELL. DEACTIVATED POWER TO SYSTEM AND REMOVED SMOKE DETECTOR. PART IS SECURED IN LAV T. WAITING ON PARTS NIS. REF AMM 26-14-01/401. REPLACED MID LAV SMOKE…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Lights · light · no testMar 4, 2025

    EMERGENCY LIGHTING SYSTEM OPERATIONAL CHECK {B737-33-3-0235} - EMERGENCY LIGHTING AT SEAT 32 DEF OVERHEAD BIN INOP REMOVED AND REPLACED SEAT 32 DEF OVERHEAD BIN EMERGENCY AREA LIGHT LAMP IAW AMM 33-51-03-960-801. OPS CHECK GOOD.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fire protection · wire harness · faultedMar 1, 2025

    RTO INITIATED AT APPROX 100KTS DUE TO NO2 ENGINE FIRE INDICATION . PERFORMED INSPECTION AFTER AN ENGINE FIRE, USE OF FIRE EXTINGUISHING AGENTS, OR HIGH NACELLE TEMPERATURE UP TO AND INCLUDING STEP 3. F. (5) (D) IAW AMM 71-00-00-800-803-F00. NO EVIDENCE OF INTERNAL OR EXTERNAL ENGINE FIRE WAS SEEN…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Lights · lamp · burned outFeb 8, 2025

    SEAT ROW 2AB AFT FLOOR PROXIMITY EMERGENCY LIGHT IS INOP. SUPPORT TASK NSA EMX N/R 00056. REMOVED AND REPLACED LAMP AND OPS CHECK GOOD IAW UAL B737NG AMM 33-51-11

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · fitting · crackedJan 23, 2025

    SUPPORT TASK SHEAR FITTING AT STATION 540 AND LBL 6.14 IS CRACKED. SUPPORT TASK NSA EMX N/R 00101. REMOVED AND REPLACED CRACKED SHEAR AND BAC DRAWING 11A2000 REV ORIGINAL. DATA WAS TRANSCRIBED FROM NSA EMX N/R 00101.

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

Showing the 10 most recent of 74 reports.

Sources

  • FAA Aircraft RegistryRegistration, owner city and state, airframe, engineupdated Oct 18, 2026
  • NTSB accident and incident databaseAccidents and incidents since 1982updated Oct 15, 2026
  • FAA Airworthiness Directives (Federal Register)ADs published since 1998updated Oct 18, 2026
  • FAA Service Difficulty ReportsReports since 1995updated Oct 16, 2026

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