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Aircraft record

N907UA1991 Boeing 737-522

DeregisteredUnclaimedSource: FAA, updated Oct 20, 2026

This N-number isn't registered right now. Below is its last known registration, canceled Mar 18, 2013.

Safety record in brief:No NTSB accidents or incidents since 198221 ADs may apply30 service difficulty reports

Registration
Deregistered
Last based in
Chicago, IL
owner city / state
Engine
CFM56 SERIES · 2200 hp
Cfm Intl.
Owners
1
since 1991
NTSB events
None
since 1982
ADs may apply
21
confirm with A&P
Service reports
30
since 1995

Registration

FAA Aircraft Registry · Oct 20, 2026
Last registered owner
United Air Lines INC
Owner type
Corporation
City, state
Chicago, IL
Certificate issued
Jan 23, 1991
Canceled
Mar 18, 2013
Airworthiness
Standard · Transport
Airworthiness date
Jan 23, 1991

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
737-522
Year
1991
Serial number
25007
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
AC8AF0

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. 1991 – 2013United Air Lines INCChicago, IL

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 (737-522)
2002-20-07 R1Boeing Model 737 Series AirplanesNov 12, 2002Airframe (737-522)
2002-20-07Boeing Model 737 Series AirplanesNov 12, 2002Airframe (737-522)
2001-11-11Boeing Model 737, 747, and 777 Series AirplanesJul 16, 2001Airframe (737-522)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 (737-522)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 (737-522)
2000-22-02 R1Boeing Model 737 Series AirplanesNov 13, 2000Airframe (737-522)
2000-22-02Boeing Model 737 Series AirplanesNov 13, 2000Airframe (737-522)
2000-15-16Boeing Model 737, 757, 767, and 777 Series AirplanesSep 12, 2000Airframe (737-522)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 (737-522)
99-22-16Boeing Model 737 Series AirplanesDec 7, 1999Airframe (737-522)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 (737-522)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 (737-522)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 (737-522)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 (737-522)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 (737-522)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 (737-522)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 (737-522)
97-05-10Boeing Model 737 Series AirplanesMar 19, 1997Airframe (737-522)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 (737-522)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 (737-522)

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

Service Difficulty Reports (30)

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 · fitting · crackedJun 1, 2008

    FOUND CRACKED INTERCOSTAL CLIP S-11L AFT OF STA 294.5, CRACK IN TEE ATTACHMENT ANGLE STR-11L BETWEEN 294.5 & 303.9 STA, CRACK IN CLIP FRAME TO STRINGER S-11 FWD OF STA 294.5, CRACKED INTERCOSTAL WEB S-12L BETWEEN STA 294.5 & 303.9. AND CRACK IN INTERCOSTAL WEB S-16L BETWEEN STA.294.5 AND STA…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · structure · crackedJun 1, 2008

    LT FS 294 HAS A 1 INCH CRACK AT STRINGER 11, JUST FWD OF WEB ATTACHMENT HOLES. *S/D* MAJOR REPAIR ACCOMPLISHED. REPAIRED PER UA-EVA-71611 AND REO-L01080, HAVE RECEIVED FIRST STAGE APPROVAL ONLY. BOEING MUST ISSUE A NEW FORM 8100-9 ON OR BEFORE 27MAY09. THIS REPAIR IS APPROVED FOR 12 MONTHS ONLY.…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · attach fitting · crackedJun 1, 2008

    CRACKS FOUND AT ATTACH CLIP STA 360 STR 11L, STRINGER SPLICE CHANNEL STA 360 STR 15L, INTERCOSTAL WEB STRAP STA 360 STR 16L AND INTERCOSTAL ATTACH ANGLE STA 348 STR 15L. MAJOR REPAIR ACCOMPLISHED. AREAS REPAIRED PER UA-EVA- 71614 AND REO-01077, TO BE REINSPECTED WITHIN 6000 CYCLES AND EVERY 6000…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
Show all 10 reports
  • Fuselage · web · corrodedJun 1, 2008

    INTERCOSTAL WEB CORROSION FOUND AT WEB BS 351.2 & BS 360 STR 11L,12L,14L AND 16L. MAJOR REPAIR ACCOMPLISHED. AREAS REPAIRED PER UA-EVA- 71614 AND REO-01077, TO BE REINSPECTED WITHIN 6000 CYCLES AND EVERY 6000 CYCLES THEREAFTER. CURRENT PTC 30113. FIRST REINSPECT AT 36113 CYCLES. PER SB737-53A1204…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · structure · crackedJun 1, 2008

    STR 10L STA 296 FOUND CRACKED DURING L1 DOOR. MAJOR REPAIR ACCOMPLISHED. REPAIRED PER UA-EVA-71626 AND REO-L01081. FIRST STAGE APPROVAL ONLY. NEW BOEING 8100-9 MUST BE RECEIVED ON OR BEFORE 31MAY2008 OR AIRCRAFT MUST BE REMOVED FROM SERVICE.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · stringer splice · crackedJun 1, 2008

    LT AT FS 360 STRINGER 16L SPLICE CHANNEL CRACKED. MAJOR REPAIR ACCOMPLISHED. CF 9041 CAN BE CLEARED. EC 955313099SD & AMM 53-13-99 CREATED TO INSPECT REPAIR EVERY 6000 CYCLES. MONITORED BY EQ. OK TO CLEAR PER ABOVE INFO.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Oxygen · b-nut · looseFeb 21, 2008

    PREFLIGHT O2 SHOWS 400 PSI. REPLACED MASK AND SECURED B-NUT NO LEAKS FOUND. AC OK FOR SERVICE.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Indicating and recording systems · warning light · illuminatedOct 1, 2007

    RTFL DUE TO LEFT FUEL FILTER BYPASS LIGHT ILLUMINATION. REPLACED FUEL FILTER.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Indicating and recording systems · warning light · illuminatedOct 1, 2007

    FEEL DIFF PRESS ILLUM AGAIN DURING DESCENT.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Flight controls · computer · faultyOct 1, 2007

    FEEL DIFF PRESS ILLUM AGAIN DURING DESCENT. DEBRIEFED FLT CREW: WAS TOLD THE ELEVATOR FEEL DIFF PRESS CAME ON AT 34,000 FT, 12,000 AND ON LANDING. ACCOMPLISHED TROUBLESHOOTING PROCEDURES. FAILED OPS CHECK ITEM Q NR 3 FEEL FORCES CHECK. PULL BACK FORCES HIGH, OUT OF LIMITS. REPLACED ELEVATOR FEEL…

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

Showing the 10 most recent of 30 reports.

Related aircraft

Show all 8 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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