AD 2010-20-01

final rule
Data completeness: 70%

Airworthiness Directives; G ROB-WERKE Model G120A Airplanes

AD Number
2010-20-01
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2010-0926
FR Citation
75 FR 57664

Applicability

TypeManufacturerModelDetails
aircraft Aviat Various Airworthiness Directives; G ROB-WERKE Model G120A Airplanes

Unsafe Condition

Flap ribs P/N 120A-1053 and 120A-1054 have been found cracked during regular maintenance. Structural failure of the ribs may cause failure of the middle flap support, leading to flap asymmetry due to excessive deformation and reduced controllability of the airplane.

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Required Actions

Inspect RH and LH flap ribs for cracks. Accomplish repair N° 1121-017 and modification N° 1121-018 for airplanes with cracks found. Accomplish modification N° 1121-018 only for airplanes without cracks found.

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Compliance Time

Before further flight

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Affected Aircraft

G ROB-WERKE Model G120A airplanes, all serial numbers, 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 4, 2026

Rights: U.S. Government Public Domain

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