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Aircraft record

N506AU1987 Boeing 737-3B7

DeregisteredUnclaimedSource: FAA, updated Oct 20, 2026

This N-number isn't registered right now. Below is its last known registration, canceled Sep 29, 2010.

Safety record in brief:1 NTSB incident (minor damage, Jul 2009)21 ADs may apply104 service difficulty reports

Registration
Deregistered
Last based in
Boston, MA
owner city / state
Owners
1
since 2006
NTSB events
1
minor, 2009
ADs may apply
21
confirm with A&P
Service reports
104
since 1995

Registration

FAA Aircraft Registry · Oct 20, 2026
Last registered owner
Aircraft Statutory Trust N506AU
Owner type
Corporation
City, state
Boston, MA
Certificate issued
Jun 27, 2006
Canceled
Sep 29, 2010
Airworthiness
Standard · Transport
Airworthiness date
Jun 8, 1987

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
1987
Serial number
23381
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
A6504D

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. 2006 – 2010Aircraft Statutory Trust N506AUBoston, MA

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)

Incident · minor damage

Jul 15, 2009 · Charlotte (Clt), NC

The failure of the left hand main landing gear was caused by heat induced cracks resulting from abusive grinding/polishing of the chrome plate that was applied during the last overhaul.

Damage
Minor
Injuries
None
Report
ENG09IA009

From NTSB records; matched by serial number.Read NTSB report (search CAROL for ENG09IA009)

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 (104)

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 · screw · looseJul 9, 2010

    MCN - WEEKLY - EEL - EMERGENCY LIGHTS WILL NOT HOLD A CHARGE IN ROWS 1 THRU 4 & AFT CABIN BULL NOSES LAST 4 POSITIONS DO NOT STAY ILLUMINATED FOR REQUIRED TIME SPAN. TIGHTENED LOOSE SCREW ON LOAD SIDE OF EMERGENCY LIGHTS BREAKER, EMERGENCY LIGHTS NOW STAY ON CHARGE AS REQUIRED.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Lights · screw · looseJul 8, 2010

    MCN - MAINTENANCE REPORTED THE EMERGENCY LIGHTS WON'T HOLD A CHARGE AT SEAT ROWS 1 TO 4 AND AT AFT CABIN BULLNOSE IN LAST FOUR POSITIONS. EMERGENCY LIGHTS DON'T STAY ILLUMINATED FOR REQUIRED TIME SPAN. MAINTENANCE FOUND AND TIGHTENED LOOSE SCREW ON LOAD SIDE OF EMERGENCY LIGHTS CIRCUIT BREAKER.…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fire protection · battery · faultyMay 3, 2010

    CLT - PILOT REPORTED THAT THE RIGHT AFT LAVATORY SMOKE DETECTOR WENT OFF DURING TAXI-OUT. MAINTENANCE REMOVED AND REPLACED THE BATTERY FOR THE RIGHT AFT LAVATORY SMOKE DETECTOR. OPERATIONAL CHECK GOOD.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
Show all 10 reports
  • Fuselage · tie clip · crackedSep 22, 2009

    CLT - C5 - MAJOR REPAIR - CRACK ON STRINGER TIE CLIPS AT BS 986 & BS 1006, S27L. REPLACED STRINGER TIE CLIPS AT BS 986 & BS 1006, S27L IAW BOEING DWG 65-46567.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · stringer · corrodedSep 22, 2009

    CLT - C6 - MAJOR REPAIR - CORROSION ON STRINGER BETWEEN BS 978 TO BS 1016, S27L. REPLACED STRINGER BETWEEN BS 978 TO BS 1016, S27L IAW B737 SRM 53-00-03.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · skin · corrodedSep 21, 2009

    CLT - C6 - MAJOR REPAIR - CORROSION ON FUSELAGE SKIN BETWEEN BS 1016 TO BS 953 & BETWEEN S25L TO S25R. REPAIRED FUSELAGE SKIN BETWEEN BS 1016 TO BS 953 & BETWEEN S25L TO S25R IAW EA 101415.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · skin · crackedJan 28, 2009

    CLT - LINE - MAJOR REPAIR - A 3 INCH CRACK IN FUSELAGE SKIN AT AFT LOWER CORNER OF R1 DOOR, BS 328, WL 208, S17R. REPAIRED FUSELAGE SKIN AT AFT LOWER CORNER OF R1 DOOR, BS 328, WL 208, S17R IAW B737 SRM 53-10-01.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · skin · crackedSep 21, 2008

    CLT - C5 - MAJOR REPAIR, CRACK ON FUSELAGE SKIN AT BS 727E BELOW S23L. REPAIRED FUSELAGE SKIN AT BS 727E BELOW S23L IAW B737 SRM 53-00-01 REPAIR NR 31 TEMPORARY REVISION NR 53-33.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Equipment and furnishings · battery · dischargedJul 22, 2008

    FLT 1640 (CLT-EWR) - EMERG EQUIP - EMERGENCY FLASHLIGHT IN AFT GALLEY LIGHT NOT BLINKING. MAINTENANCE REMOVED AND REPLACED THE BATTERY IN THE AFT GALLEY FLASHLIGHT. OPERATIONAL CHECK WAS GOOD. (A)

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · stringer · corrodedMar 22, 2008

    CLT - MAJOR REPAIR - RON - CORROSION ON STRINGER, BS 1006 - BS 1016, S26R. REPAIRED STRINGER, BS 1006 - BS 1016, S26R IAW B737 SRM 53-60-03.

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

Showing the 10 most recent of 104 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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