AD 76-20-04

final rule
Data completeness: 70%

Airworthiness Directives; Swearingen Model SA226-T, SA226-AT, and SA226-TC

AD Number
76-20-04
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft M7 Aerospace LLC SA226-AT Airworthiness Directives; Swearingen Model SA226-T, SA226-AT, and SA226-TC
aircraft M7 Aerospace LLC SA226-T Airworthiness Directives; Swearingen Model SA226-T, SA226-AT, and SA226-TC
aircraft M7 Aerospace LLC SA226-TC Airworthiness Directives; Swearingen Model SA226-T, SA226-AT, and SA226-TC

Unsafe Condition

Fuel or hydraulic leaks in the wheel wells could result in fire or loss of hydraulic system function.

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

Required Actions

Inspect hydraulic power pack areas, lines, and fittings in both wheel wells for leakage, pressurize systems to 2000+ psi, and repair or replace damaged components before further flight. Inspect fuel supply lines in wheel wells for leakage using the airframe boost pump and repair leaks before further flight. Submit voluntary written reports of inspection results to the FAA.

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

Compliance Time

Within the next 25 hours time in service after the effective date and within each subsequent 50 hours of time in service.

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

Affected Aircraft

Swearingen Model SA226-T (Serial Numbers T201-T274), SA226-AT (AT001-AT054), and SA226-TC (TC201-TC228E)

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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