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Aircraft record

N157511999 Boeing 737-71Q

Registration validUnclaimedSource: FAA, updated Oct 20, 2026

Safety record in brief:No NTSB accidents or incidents since 198221 ADs may apply65 service difficulty reports

Registration
Valid
expires Apr 30, 2028
Based in
Chicago, IL
owner city / state
Engine
CFM56-7B22 · 22,700 lb thrust
Cfm Intl
Owners
1
since 2015
NTSB events
None
since 1982
ADs may apply
21
confirm with A&P
Service reports
65
since 1995

Registration

FAA Aircraft Registry · Oct 20, 2026
Registered owner
United Airlines INC
Owner type
Corporation
City, state
Chicago, IL
Certificate issued
Apr 13, 2015
Expires
Apr 30, 2028
Airworthiness
Standard · Transport
Airworthiness date
Apr 13, 2015

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
737-71Q
Year
1999
Serial number
29047
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
A0E751

Engine

Make and model
Cfm Intl Cfm56-7b22
Type
Turbo-fan
Power
22,700 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
  1. 2015 – nowUnited Airlines INCChicago, IL · current
  2. 1968 – 1970Aviation Enterprises INCCedarburg, WI · different airframe: Douglas C-47 S/N 15124
  3. 1938 – 1939Individual ownerBeckley, WV · different airframe: 1936 Nash Aircraft Co Nash Corben Baby Ace S/N 27

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 (0)

No NTSB accidents or incidents found for this airframe since 1982.

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 (737-71Q)
2002-20-07 R1Boeing Model 737 Series AirplanesNov 12, 2002Airframe (737-71Q)
2002-20-07Boeing Model 737 Series AirplanesNov 12, 2002Airframe (737-71Q)
2001-11-11Boeing Model 737, 747, and 777 Series AirplanesJul 16, 2001Airframe (737-71Q)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 (737-71Q)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 (737-71Q)
2000-22-02 R1Boeing Model 737 Series AirplanesNov 13, 2000Airframe (737-71Q)
2000-22-02Boeing Model 737 Series AirplanesNov 13, 2000Airframe (737-71Q)
2000-15-16Boeing Model 737, 757, 767, and 777 Series AirplanesSep 12, 2000Airframe (737-71Q)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 (737-71Q)
99-22-16Boeing Model 737 Series AirplanesDec 7, 1999Airframe (737-71Q)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 (737-71Q)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 (737-71Q)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 (737-71Q)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 (737-71Q)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 (737-71Q)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 (737-71Q)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 (737-71Q)
97-05-10Boeing Model 737 Series AirplanesMar 19, 1997Airframe (737-71Q)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 (737-71Q)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 (737-71Q)

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

Service Difficulty Reports (65)

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 · battery pack · no testOct 7, 2026

    EMERGENCY LIGHT BATTERY PACK AT M1669 FAILED OPERATION CHECK. REMOVED AND REPLACED M1669 BATTERY PACK IAW AMM 33-51-06 OPS CHK GOOD.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Lights · battery pack · no testOct 7, 2026

    EMERGENCY LIGHT BATTERY PACK AT M1672 FAILED OPERATION CHECK. REMOVED AND REPLACED M1672 BATTERY IAW AMM 33-51-06 OPS CHK GOOD.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Lights · housing · damagedJun 27, 2026

    EMERGENCY LIGHTS - OPERATIONAL CHECK EMERGENCY LIGHTS OPERATIONAL CHECK - ROW 29 ABC EPL SHROUD IS DAMAGED AND NOT SECURED TO SEAT REMOVED AND REPLACED THE BROKEN SHROUD. REF CMM 25-21-56.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
Show all 10 reports
  • Fire protection · smoke detector · false activationNov 15, 2025

    SMOKE ALARM. NO SMOKE NOTICED ALL LAV SMOKE DETECTORS OPS NORMAL, IAW AMM 26-14-00-730-801.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Flight controls · indicator · faultedNov 11, 2025

    FLAPS STUCK BETWEEN 5 AND 10 DEGREES AND WOULD NOT MOVE WITH FLAP HANDLE MOVEMENT. PSEU LIGHT ON. BITE CHECKED PSEU AND FOUND LDG FLAP A FAULT MESSAGE 32-62009 AND LDG FLAP B FAULT WITH MESSAGE 32-62010. AND NO DISPATCH. PERFORMED FSEU BITE. FOUND PROBLEM WITH LT FLAP TRANS. ALSO WHILE OPERATING…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Flight controls · flap system · malfunctionedNov 9, 2025

    FLAP LOCK OUT ON 1ST TICK. ATTEMPTED RESEAT OF LEVER, NO HELP. ALTN EXTENSION REQUIRED. PERFORMED OPS CHECK OF NORMAL AND ALTN FLAP CONTROL SYSTEMS IAW AMM 27-51-00-710-801. OPS CHECK GOOD. PERFORMED BITE TEST OF FSEU IAW FIM 27-51 TASK 801. INTERMITTENT INACTIVE FAULT FOUND DURING BITE CHECK. NO…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Lights · battery pack · no testJul 30, 2025

    EMERGENCY PASSENGER CABIN LIGHTS M1674 FAILS BATTERY CAPACITY CHECK. REMOVED AND REPLACED EMERGENCY LIGHTS BATTERY PACK M01674 AND PERFORMED INSTALLATION TEST IAW B737 A.M.M. 33-51-06-960-805. TEST OK.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · window frame · damagedJul 30, 2025

    REPAIR THE RH #3 WINDOW FRAME E-F POST REF TO ECRA 5611-01314 R EV C PART 3. REPAIRED PER ECRA 5310-08655 REPAIR THE R3 WINDOW FRAME E-F POST REF TO ECRA 5611-01314 R EV C PART 3.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · window frame · crackedJul 30, 2025

    L3 WINDOW FRAME E-F POST REPAIRED PER ECRA 5310-08654. PERFORM AN INSPECTION OF LT WINDOW FRAME E-F POST REPAIR ON AIRCRAFT IAW PART 2 OF THE LATEST REVISION OF ECRA 5310-08654. MAJOR REPAIR. ACCOMPLISHED ESFR AND PERMANENT REPAIR COMPLIED WITH.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Lights · landing light · damagedApr 12, 2025

    PDA 2 RF LOG 4481684.. LEFT RETRACTABLE LANDING LIGHT LENS AND BULB MISSING ON ARRIVAL... SEE PHOTO... ADDED PHOTO PARTS USED: 29-3342-9-0001,QTY :1 REPLACED LH LANDING LIGHT ASSY PER AMM33-42-02-960-802. OPS CHECKS GOOD. SDR REPORT SUBMITTED.PARTS USED: 29-3342-9-0001,QTY :2 ROTABLE PARTS CHG:TT…

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

Showing the 10 most recent of 65 reports.

Related aircraft

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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