AD 2008-21-02

Recurring final rule
Data completeness: 70%

Airworthiness Directives; Boeing Model 737-600, -700, -700C, -800, and -900 Series Airplanes Equipped With CFM56-7 Engines

AD Number
2008-21-02
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. FAA-2008-0147
FR Citation
73 FR 59488

Applicability

TypeManufacturerModelDetails
aircraft Boeing 737-600 Airworthiness Directives; Boeing Model 737-600, -700, -700C, -800, and -900 Series Airplanes Equipped With CFM56-7 Engines

Unsafe Condition

Damage of the aft strut insulation blanket can expose the lower surface of the strut to extreme high temperatures, creating a source of fuel ignition and increasing the risk of an uncontrollable fire and possible fuel tank explosion.

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

Required Actions

Install a new heat insulation blanket and new cover plate on the left and right side engine struts.

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

Compliance Time

Within 60 months of the effective date (November 13, 2008).

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

Affected Aircraft

Boeing Model 737-600, -700, -700C, -800, and -900 series airplanes equipped with CFM56-7 engines.

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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View Official Source ↗ Find More ADs for Boeing 737-600

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