AD 93-11-04

final rule
Data completeness: 70%

Airworthiness Directives; FOKKER Model F27 Series Airplanes

AD Number
93-11-04
Status
final_rule
Effective Date
Product Category
aircraft
Docket
92-NM-195-AD
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft Fokker Services F27 Mark 100 Airworthiness Directives; FOKKER Model F27 Series Airplanes
aircraft Fokker Services F27 Mark 200 Airworthiness Directives; FOKKER Model F27 Series Airplanes
aircraft Fokker Services F27 Mark 300 Airworthiness Directives; FOKKER Model F27 Series Airplanes
aircraft Fokker Services F27 Mark 400 Airworthiness Directives; FOKKER Model F27 Series Airplanes
aircraft Fokker Services F27 Mark 500 Airworthiness Directives; FOKKER Model F27 Series Airplanes
aircraft Fokker Services F27 Mark 600 Airworthiness Directives; FOKKER Model F27 Series Airplanes
aircraft Fokker Services F27 Mark 700 Airworthiness Directives; FOKKER Model F27 Series Airplanes

Unsafe Condition

Premature failure of the outer flap center hinge due to fatigue, which could result in reduced structural integrity of the outer flap.

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

Required Actions

Perform a high frequency eddy current inspection of the outer flap center hinges to detect cracks in accordance with Fokker Service Bulletin F27/57-66. Repair hinges based on crack findings: within 300 landings if cracks are less than 5 mm and no face cracks, or prior to further flight if cracks are 5 mm or more or present on faces around the bore. Follow service bulletin instructions for repairs.

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

Compliance Time

Within 1,000 landings or 6 months after the effective date of this AD, whichever occurs first (for applicable airplanes).

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

Affected Aircraft

Fokker Model F27 series airplanes (except Model F27 Mark 050 series); serial numbers 10102 and 10105 through 10240, inclusive; 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 8, 2026

Rights: U.S. Government Public Domain

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View Official Source ↗ Find More ADs for Fokker Services F27 Mark 100

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