AD 2012-23-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Cessna | Aircraft Company | Airworthiness Directives; Cessna Aircraft Company Airplanes |
Unsafe Condition
Failure of the flap system, which could result in an asymmetrical flap condition causing an uncommanded roll when the pilot sets the flaps to the approach position.
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Required Actions
Inspect the flap control system within 60 days after the effective date. If damage to the flap bellcrank or mounting structure is found, repair the damage and modify the flap control system before further flight. If no damage is found, modify the flap control system within 180 days after the effective date. Incorporate Instructions for Continued Airworthiness into the maintenance program within 7 months after the effective date or during the next annual inspection, whichever is earlier.
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Compliance Time
Within 60 days for inspection, before further flight if damage is found, within 180 days for modification if no damage is found, and within 7 months for incorporating Instructions for Continued Airworthiness.
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Affected Aircraft
Cessna Aircraft Company Model 402C airplanes modified by Supplemental Type Certificate (STC) SA927NW and Model 414A airplanes modified by STC SA892NW, all serial numbers, certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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