AD 2001-15-20

final rule
Data completeness: 70%

Airworthiness Directives; Fokker Model F.28 Mark 1000, 2000, 3000, and 4000 Series Airplanes

AD Number
2001-15-20
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. 2000-NM-298-AD
FR Citation
66 FR 40859

Applicability

TypeManufacturerModelDetails
aircraft Fokker F Airworthiness Directives; Fokker Model F.28 Mark 1000, 2000, 3000, and 4000 Series Airplanes

Unsafe Condition

Fatigue and stress corrosion in the U-shaped upper and lower legs of the engine support fittings, which could result in reduced structural integrity of the engine support structure.

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

Required Actions

Perform a general visual inspection to detect the presence of filler plates of the engine support fittings. Remove any filler plates, inspect the support fitting for cracks and other discrepancies using a nondestructive test method, and repair any discrepancies. Follow Fokker Service Bulletin F28/53-149, dated November 15, 1999.

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

Compliance Time

Within 12 months after the effective date of this AD.

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

Affected Aircraft

All Fokker Model F.28 Mark 1000, 2000, 3000, and 4000 series airplanes, certificated in any category.

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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