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Leonardo Alert Service Bulletin 139-450

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Service bulletin · Leonardo

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Copies · 5

Copies of this document that the FAA filed in AD dockets on regulations.gov, newest revision first. A newer revision may exist.

Revision DLeonardo Helicopters ASB No. 139-450 Rev D · 59 pages · 5.5 MB

© Leonardo S.p.A. Filed by the FAA in regulations.gov docket FAA-2020-0283; AD 2021-23-22 incorporates this document by reference. Not covered by OpenAirDocs’ CC0 dedication.

Docket FAA-2020-0283 (document 0006) · AD 2021-23-22

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Revision CLeonardo Helicopters ASB No. 139-450 Rev C · 58 pages · 7.2 MB

© Leonardo S.p.A. Filed by the FAA in regulations.gov docket FAA-2020-0283; AD 2021-23-22 incorporates this document by reference. Not covered by OpenAirDocs’ CC0 dedication.

Docket FAA-2020-0283 (document 0006) · AD 2021-23-22

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Finmeccanica Helicopter Division BT 139-450Finmeccanica Helicopter Division BT 139-450 · 49 pages · 4.0 MB

© Leonardo S.p.A. Filed by the FAA in regulations.gov docket FAA-2020-0283; AD 2021-23-22 incorporates this document by reference. Not covered by OpenAirDocs’ CC0 dedication.

Docket FAA-2020-0283 (document 0006) · AD 2021-23-22

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Finmeccanica Helicopter Division BT 139-450 Rev AFinmeccanica Helicopter Division BT 139-450 Rev A · 61 pages · 3.5 MB

© Leonardo S.p.A. Filed by the FAA in regulations.gov docket FAA-2020-0283; AD 2021-23-22 incorporates this document by reference. Not covered by OpenAirDocs’ CC0 dedication.

Docket FAA-2020-0283 (document 0006) · AD 2021-23-22

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Leonardo Helicopters BT No. 139-450 Rev BLeonardo Helicopters BT No. 139-450 Rev B · 63 pages · 7.8 MB

© Leonardo S.p.A. Filed by the FAA in regulations.gov docket FAA-2020-0283; AD 2021-23-22 incorporates this document by reference. Not covered by OpenAirDocs’ CC0 dedication.

Docket FAA-2020-0283 (document 0006) · AD 2021-23-22

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Manufacturer
Leonardo
Type
Alert Service Bulletin
Number
139-450
Latest revision known
139-450, Revision D, dated May 28, 2019
Copies
5 files of 3 revisions

A newer revision may exist than any OpenAirDocs knows of: check with the manufacturer.

ADs that cite it · 1

Newest first, with the revision each names, as OpenAirDocs read it from the AD’s text: check it against the AD.

AD 2021-23-22Main Rotor System · Leonardo AB139 and AW139Effective Jan 18, 2022 · Revision D

Also cited in 1 proposed AD.