Aircraft record

N875132008 Boeing 737-824

Registration validUnclaimedSource: FAA, updated Oct 20, 2026

Safety record in brief:1 NTSB accident (substantial damage, Dec 2019)21 ADs may apply53 service difficulty reports

Registration: Valid; expires Oct 31, 2027
Based in: Chicago, IL; owner city / state
Engine: CFM56-7B26/3 · 25,900 lb thrust; Cfm Intl
Owners: 1; since 2008
NTSB events: 1; substantial, 2019
ADs may apply: 21; confirm with A&P
Service reports: 53; since 1995

Registration

FAA Aircraft Registry · Oct 20, 2026

Registered owner: United Airlines INC
Owner type: Corporation
City, state: Chicago, IL
Certificate issued: Jul 1, 2008
Expires: Oct 31, 2027
Airworthiness: Standard · Transport
Airworthiness date: Jun 27, 2008

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: 2008
Serial number: 31621
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: AC0B80

Engine

Make and model: Cfm Intl Cfm56-7b26/3
Type: Turbo-fan
Power: 25,900 lb thrust

Total time and engine hours aren't public. They appear here once the owner adds logbooks.

Ownership history

Ownership history from FAA records

2008 – nowUnited Airlines INCChicago, IL · current

Individual owners are shown by city and state only.

Safety record

NTSB · Oct 15, 2026 · FAA ADs · Oct 20, 2026 · SDRs · Oct 16, 2026

NTSB events (1)

Accident · substantial damage

Dec 23, 2019 · Denver, CO

Maintenance personnel’s excessive grinding of the left main landing gear’s aft trunnion pin during its initial overhaul, which caused heat damage to the base metal and led to the fatigue crack that caused the pin to fail during the accident flight. Contributing to the accident was the failure of maintenance personnel to detect the excessive grinding during the initial overhaul and the fatigue…

Damage: Substantial
Injuries: None
Report: DCA20LA047

From NTSB records; matched by serial number.Read NTSB report (search CAROL for DCA20LA047)

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.

AD	Subject	Effective	Applies to
2019-14-02	Hydraulic power	Aug 27, 2019	Airframe (737-824)
2002-20-07 R1	Boeing Model 737 Series Airplanes	Nov 12, 2002	Airframe (737-824)
2002-20-07	Boeing Model 737 Series Airplanes	Nov 12, 2002	Airframe (737-824)
2001-11-11	Boeing Model 737, 747, and 777 Series Airplanes	Jul 16, 2001	Airframe (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
2001-10-14	Boeing Model 737, 747, 757, 767, and 777 Series Airplanes	Jun 8, 2001	Airframe (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

AD	Subject	Effective	Applies to
2001-08-24	Boeing Model 737 Series Airplanes	May 10, 2001	Airframe (737-824)
2000-22-02 R1	Boeing Model 737 Series Airplanes	Nov 13, 2000	Airframe (737-824)
2000-22-02	Boeing Model 737 Series Airplanes	Nov 13, 2000	Airframe (737-824)
2000-15-16	Boeing Model 737, 757, 767, and 777 Series Airplanes	Sep 12, 2000	Airframe (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.
99-11-05	Boeing Model 737 Series Airplanes	Jun 28, 1999	Airframe (737-824)
99-22-16	Boeing Model 737 Series Airplanes	Dec 7, 1999	Airframe (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 R1	Boeing Model 737, 747, 757, 767, and 777 Series Airplanes	Dec 28, 1998	Airframe (737-824)Serial numbers per Boeing Alert Service Bulletins 737-27A1212, 747-27A2368 Revision 2, 757-27A0128, 767-27A0156, 777-27A0029 Revision 1
98-22-10	Boeing Model 737 Series Airplanes	Nov 12, 1998	Airframe (737-824)Serial numbers per Boeing Service Bulletin 737-53A1108, Revision 5, dated October 26, 1989
98-18-20	Boeing Model 727 and Model 737 Series Airplanes Equipped with J.C. Carter Company Fuel…	Oct 21, 1998	Airframe (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).
98-13-12	Boeing Model 737, 747, 757, 767, and 777 Series Airplanes	Jul 6, 1998	Airframe (737-824)Serial numbers per Boeing Alert Service Bulletins 737-27A1212, 747-27A2368, 757-27A0128, 767-27A0156, and 777-27A0029, dated March 26, 1998
98-03-10	Boeing Model 737, 747, 757, and 767 Series Airplanes	Feb 19, 1998	Airframe (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.
97-22-07	Boeing Model 737 Series Airplanes	Nov 12, 1997	Airframe (737-824)Certain serial numbers: 737 292–2565. Only with: Limited to airplanes with line numbers 292 through 2565 inclusive.
97-18-06	Boeing Model 737 Series Airplanes	Nov 12, 1997	Airframe (737-824)
97-05-10	Boeing Model 737 Series Airplanes	Mar 19, 1997	Airframe (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.
97-04-01	Boeing Model 737 Series Airplanes	Mar 21, 1997	Airframe (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
95-23-10	Boeing Model 737 Series Airplanes	Dec 13, 1995	Airframe (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 (53)

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.

Fuselage · skin · damagedJan 12, 2026
POSSIBLE LIGHTING STRIKE ON EXT FUSE FASTENER AT STA 243.7, 10" BELOW STRINGER 16RREMOVED EXISTING FASTENERS COMMON TO REPAIR DOUBLER. ACCOMPLISHED INSP IAW SRM 53-10-01-2R-8 REPAIR STEPS 4.H.(3) AND (4). REMOVED FASTNER HOLES & COUNTERSINKS IAW SRM 53-10-01-2R-8 REPAIR STEPS 4.H.(3) AND (4) IAW…
From FAA Service Difficulty Reports; matched by N-number and serial number.
Doors · warning light · false activationNov 28, 2025
AFT ENTRY ILLUMINATED ON FINAL APPROACH. AFT ENTRY LIGHT OPS CHECKS GOOD, UNABLE TO DUPLICATE.
From FAA Service Difficulty Reports; matched by N-number and serial number.
Air conditioning and pressurization · unknown · odorSep 4, 2025
BAD SMELL COMING FROM CONDITIONED AIR DEBRIEDED CREW ON ARRIVAL, CREW REPORTED ODOR OF SMELLY DIRTY SOCKS, IN THE FLIGHT DECK AND CABIN DURING TAKEOFF AND CLIMBOUT, THEN WENT AWAY DURING CRUISE BUT RETURNED ON DESCENT. ACCOMPLISHED HIGH POWER RUN, CYCLED A/C PACKS, NO ODOR DETECTED. REPLACED BOTH…
From FAA Service Difficulty Reports; matched by N-number and serial number.

Show all 10 reports

Engine air · bleed valve · faultyMay 6, 2025
BLEED TRIP OFF LIGHT COMES ON DURING TAKEOFF LIGHT NO. 2 BLEED TRIP OFF ON DEPARTURE NO RESET CREW REPORTED #2E BLEED TRIP LIGHT CAME ON DOING "NO ENGINE BLEED TAKEOFF". CREW REPORTS TRYINT TO RESET BLEED TRIP WITH NO SUCCESS. CREW REPORTED NO BLEED SPLIT OR OTHER INDICATIONS. ISO VALVE WAS IN THE…
From FAA Service Difficulty Reports; matched by N-number and serial number.
Pneumatic · shutoff valve · faultyApr 15, 2025
DUCT PRESSURE INDICATION L AND R POINTERS NOT THE SAME (SPLIT), WITH EITHER POINTER BELOW 18 PSIG DURING TAKEOFF, CLIMB AND CRUI SE; THE ENGINE IS THE BLEED SOURCE FL360 NORMAL BLD CONFIG L 40 PSI R 16 PSIRIGHT ENGINE PRSOV INOP. LOCKED IN CLOSED POSITION. INOP STICKER APPLIED. V RIGHT ENGINE…
From FAA Service Difficulty Reports; matched by N-number and serial number.
Doors · switch · malfunctionedDec 26, 2024
FORWARD CARGO DOOR INDICATES OPEN IN FLIGHT DECK WHEN DOOR IS VERIFIED CLOSED REQUEST MEL 5203D. PEFORMED OPS CHECK OF FWD CARGO DOOR INDICATION SWITCH PER AMM TASK 52-71-31-710-801. OPS CHECK GOOD. MEL CLEARED.
From FAA Service Difficulty Reports; matched by N-number and serial number.
Lights · battery pack · no testDec 12, 2024
EMERGENCY LIGHTING BATTERY PACK M1695 FAIL ON FUNCTIONAL CHECK. REMOVED AND REPLACED BATTERY PACK M1695 NEW. IAW AMM 33-51-06-960-805. OPERATIONAL TEST GOOD FOR SERVICE
From FAA Service Difficulty Reports; matched by N-number and serial number.
Lights · battery pack · dischargedNov 27, 2024
EMERGENCY LIGHTING BATTERY PACK M1674 FAIL ON FUNCTIONAL CHECK (REF: AAR NR 1000019522) REMOVED AND INSTALLED NEW EMERGENCY LIGHTING BATTERY PACK M1674 IAW B737 AMM 33-51-06-960-805. OPS CHECK GOOD.
From FAA Service Difficulty Reports; matched by N-number and serial number.
Lights · battery pack · faultedNov 26, 2024
EMERGENCY LIGHTING BATTERY PACK M1694 FAIL ON FUNCTIONAL CHECK ( REF. AAR NR 1000019524).REMOVED AND REPLACED BATTERY PACK M1694 IAW B737 AMM 33-51-06-96 0-805 TEST PASS GOOD.(WORK ACCOMPLISHED BY TECH 79 AND AAR WC A- 75 V938209)
From FAA Service Difficulty Reports; matched by N-number and serial number.
Lights · battery pack · dischargedNov 26, 2024
EMERGENCY LIGHTING BATTERY PACK M1671 FAIL ON FUNCTIONAL CHECK ( REF. AAR NR 1000019526). REMOVED AND REPLACED BATTERY PACK M1671 IAW B737 AMM33-51-06-960 -805 TEST PASS GOOD.(WORK ACCOMPLISHED BY TECH 79 AND AAR QC A-7 5 V938209)
From FAA Service Difficulty Reports; matched by N-number and serial number.

Showing the 10 most recent of 53 reports.

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 20, 2026
FAA Service Difficulty ReportsReports since 1995updated Oct 16, 2026

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