AD 90-14-01

final rule
Data completeness: 70%

Airworthiness Directives; FAIRCHILD AIRCRAFT CORPORATION (formerly Swearingen Aviation Corporation) Models SA226-AT, SA226-TC, SA227-AT, and SA227-AC Airplanes

AD Number
90-14-01
Status
final_rule
Effective Date
Product Category
aircraft
Docket
90-CE-38-AD
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft M7 Aerospace LLC SA226-AT Airworthiness Directives; FAIRCHILD AIRCRAFT CORPORATION (formerly Swearingen Aviation Corporation) Models SA226-AT, SA226-TC, SA227-AT, and SA227-AC Airplanes
aircraft M7 Aerospace LLC SA226-TC Airworthiness Directives; FAIRCHILD AIRCRAFT CORPORATION (formerly Swearingen Aviation Corporation) Models SA226-AT, SA226-TC, SA227-AT, and SA227-AC Airplanes
aircraft M7 Aerospace LLC SA227-AC (C-26A) Airworthiness Directives; FAIRCHILD AIRCRAFT CORPORATION (formerly Swearingen Aviation Corporation) Models SA226-AT, SA226-TC, SA227-AT, and SA227-AC Airplanes
aircraft M7 Aerospace LLC SA227-AT Airworthiness Directives; FAIRCHILD AIRCRAFT CORPORATION (formerly Swearingen Aviation Corporation) Models SA226-AT, SA226-TC, SA227-AT, and SA227-AC Airplanes

Unsafe Condition

Rapid cabin decompression and passenger injury caused by window breakage due to ice shed from the propellers.

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

Required Actions

Placard or remove the passenger seat adjacent to the cabin window at Station 181 on the side corresponding to propeller rotation direction. Reinforce the cabin window at Station 181 within 30 calendar days after the effective date by adding an inner pane per service bulletins or a metal cover per kit instructions.

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

Compliance Time

Prior to further flight for seat modification; within 30 calendar days after the effective date for window reinforcement.

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

Affected Aircraft

FAIRCHILD AIRCRAFT CORPORATION models SA226-AT, SA226-TC, SA227-AT, and SA227-AC (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 8, 2026

Rights: U.S. Government Public Domain

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