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Aircraft record

N526AU1988 Boeing 737-3B7

DeregisteredUnclaimedSource: FAA, updated Oct 20, 2026

This N-number isn't registered right now. Below is its last known registration, canceled Aug 25, 2008.

Safety record in brief:No NTSB accidents or incidents since 198221 ADs may apply86 service difficulty reports

Registration
Deregistered
Last based in
Wilmington, DE
owner city / state
Engine
CFM56 SERIES · 9,800 lb thrust
Ge
Owners
1
since 2006
NTSB events
None
since 1982
ADs may apply
21
confirm with A&P
Service reports
86
since 1995

Registration

FAA Aircraft Registry · Oct 20, 2026
Last registered owner
737 Portfolio Trust
Owner type
Corporation
City, state
Wilmington, DE
Certificate issued
Nov 3, 2006
Canceled
Aug 25, 2008
Airworthiness
Standard · Transport
Airworthiness date
Jul 27, 1988

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
737-3B7
Year
1988
Serial number
23861
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
A69F4B

Engine

Make and model
Ge Cfm56 Series
Type
Turbo-fan
Power
9,800 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. 2006 – 2008737 Portfolio TrustWilmington, DE

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 (737-3B7)
2002-20-07 R1Boeing Model 737 Series AirplanesNov 12, 2002Airframe (737-3B7)
2002-20-07Boeing Model 737 Series AirplanesNov 12, 2002Airframe (737-3B7)
2001-11-11Boeing Model 737, 747, and 777 Series AirplanesJul 16, 2001Airframe (737-3B7)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 (737-3B7)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 (737-3B7)
2000-22-02 R1Boeing Model 737 Series AirplanesNov 13, 2000Airframe (737-3B7)
2000-22-02Boeing Model 737 Series AirplanesNov 13, 2000Airframe (737-3B7)
2000-15-16Boeing Model 737, 757, 767, and 777 Series AirplanesSep 12, 2000Airframe (737-3B7)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 (737-3B7)
99-22-16Boeing Model 737 Series AirplanesDec 7, 1999Airframe (737-3B7)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 (737-3B7)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 (737-3B7)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 (737-3B7)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 (737-3B7)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 (737-3B7)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 (737-3B7)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 (737-3B7)
97-05-10Boeing Model 737 Series AirplanesMar 19, 1997Airframe (737-3B7)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 (737-3B7)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 (737-3B7)

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

Service Difficulty Reports (86)

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 · dischargedJul 2, 2008

    MCN - B01 - EEL - SEVERAL EMERGENCY LIGHTS OUT IN CABIN. REPLACED CENTER EMERGENCY BATTERY IAW B737 AMM 33-51-51-2. (S)

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · skin · crackedMar 20, 2008

    CLT - MAJOR REPAIR - C6 CHECK - CRACKED FUSELAGE SKIN BS 727E, S22L. REPAIRED FUSELAGE SKIN, BS 727E. S22L IAW B737 SRM 53-00-01.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Wings · flap · delaminatedMar 16, 2008

    CLT - MAJOR REPAIR - C6 CHECK - RIGHT WING OUTBOARD TRAILING EDGE FLAP HAS AREA OF DELAMINATION. REPLACED RIGHT WING OUTBOARD TRAILING EDGE FLAP IAW B737 SRM 27-51-39.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
Show all 10 reports
  • Lights · light · noneSep 28, 2007

    DFW - MAINTENANCE REPORTED THE FLOOR EMERGENCY ESCAPE PATH LIGHTING AT SEAT ROWS 9 AND 11, LEFT-HAND SIDE, INOPERATIVE. MAINTENANCE FOUND THAT THIS IS A NORMAL SITUATION. THESE LIGHTS ARE NOT OPERATIONAL PER MM 33-51-12-0, SECTION 3, PARAGRAPH A, SENTENCE 4.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Wings · skin · crackedApr 4, 2007

    SEVERAL .125 INCH CRACKS, NR 2 SLAT LOWER TRAILING EDGE SKIN BETWEEN HET TUBE & INBOARD AUX TRACK HAS CRACK. CUT OUT DAMAGE & INSTALLED DOUBLER PER SRM 57-43-01, DEFECT SIZE: .125 INCH.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · tie clip · crackedJan 19, 2007

    A 1 INCH CRACK FOUND AT STA 294.5, STR 11, CLIP. REMOVED & REPLACED CRACKED TIE CLIP PER EO 5305V203 (DROP-IN A/C).

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Windows · windshield · crackedOct 19, 2006

    PHL FLT1428 - EN ROUTE FROM RDU TO PHL, CREW REPORTED THE CAPTAINS'S NR 1 WINDOW OUTER PANE CRACKED. OBSERVED ARCING FROM THE UPPER RIGHT SIDE, THEN CRACKING. FLIGHT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REMOVED AND REPLACED THE CAPTAIN'S WINDSHIELD PER JOB CARD J356-11-01. ALSO, REMOVED…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · skin · crackedApr 18, 2006

    FOUND SKIN CRACKED, BS 328 S17R. REMOVED DAMAGE, FABRICATED AND INSTALLED FILLER IAW SRM 53-10-01 REP 2, DEFECT SIZE: .75".

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · flange · wornJul 14, 2005

    CLT - Q2 - KEELBEAM FLANGE, 60 INCHES SURFACE WEAR. FUSELAGE KEELBEAM LT OB FLANGE STA 664-727. INSTALLED REPAIR STRAP IAW EA. (K)

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · stiffener · corrodedJul 7, 2005

    CLT - FOUND STIFFENER CORRODED 2 INCHES, STATION 227.8, BL 0 ON VERTICAL STIFFENER. REMOVED DAMAGE. FABRICATED AND INSTALLED REPAIR PARTS IAW EA 69945. (M)

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

Showing the 10 most recent of 86 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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