AD 93-01-13

final rule
Data completeness: 70%

Airworthiness Directives; FOKKER Model F27 Series Airplanes

AD Number
93-01-13
Status
final_rule
Effective Date
Product Category
aircraft
Docket
92-NM-236-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

Uncontrolled fuel leakage into the wheel well due to chafing, scratches, dents on fuel lines or insufficient clearance between fuel lines and landing gear parts.

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

Required Actions

Within 30 days after the AD's effective date, perform a visual inspection of fuel lines on left/right nacelles per Fokker SB F27/28-61 Part 1. If no damage found, inspect clearances within 100 hours time-in-service per SB Part 2. Adjust landing gear clearance to at least 0.25 inch if insufficient. Replace fuel lines if damage depth meets thresholds (≥0.009 inch or ≥0.1 inch for dents) or re-inspect at intervals ≤10 hours. Operators may request alternative compliance via FAA.

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

Compliance Time

Required as indicated, unless accomplished previously.

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, 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

This site is not affiliated with or endorsed by the FAA. Always verify with official sources.

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

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