AD Amdt-39-11466

Recurring final rule
Data completeness: 70%

Airworthiness Directives; Boeing Model 737-100, -200, and -200C Series Airplanes

AD Number
Amdt-39-11466
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. 98-NM-189-AD
FR Citation
64 FR 70997

Applicability

TypeManufacturerModelDetails
aircraft Boeing 737-100 Airworthiness Directives; Boeing Model 737-100, -200, and -200C Series Airplanes

Unsafe Condition

Failure of the secondary support to sustain engine loads in the event of failure of the aft engine mount cone bolt, which could result in the separation of the engine from the wing.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Install the Boeing Secondary Support, Kit Number 65C37057-1, at the next scheduled engine removal or within 8,000 flight hours after the effective date of the AD, whichever occurs first. The installation of certain NORDAM hush kits is considered an acceptable AMOC to the requirements of this AD, except for the repetitive inspections of the aft cone bolt failure indicator required in paragraph (a)(1).

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

At the next scheduled engine removal or within 8,000 flight hours after the effective date of the AD, whichever occurs first.

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

All Boeing Model 737-100, -200, and -200C series airplanes.

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 6, 2026

Rights: U.S. Government Public Domain

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