AD 90-06-10

final rule
Data completeness: 70%

Airworthiness Directives; Schweizer aircraft Corporation Models 269A, 269A-1, 269B, and 269C Helicopters

AD Number
90-06-10
Status
final_rule
Effective Date
Product Category
aircraft
Docket
88-ASW-37
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft Schweizer Aircraft Corporation 269A Airworthiness Directives; Schweizer aircraft Corporation Models 269A, 269A-1, 269B, and 269C Helicopters
aircraft Schweizer Aircraft Corporation 269A-1 Airworthiness Directives; Schweizer aircraft Corporation Models 269A, 269A-1, 269B, and 269C Helicopters
aircraft Schweizer Aircraft Corporation 269B Airworthiness Directives; Schweizer aircraft Corporation Models 269A, 269A-1, 269B, and 269C Helicopters
aircraft Schweizer Aircraft Corporation 269C Airworthiness Directives; Schweizer aircraft Corporation Models 269A, 269A-1, 269B, and 269C Helicopters

Unsafe Condition

Loss of throttle control due to threaded steel end fittings with insufficient hardness or exposed threads on the throttle cable assembly.

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

Required Actions

Inspect and replace throttle cable assemblies with swaged steel end fittings if aluminum fittings are non-magnetic (hardness < B-85) or if threaded fittings are present. Conduct daily visual inspections for exposed threads on threaded fittings until replacement. Replace cables before further flight if abnormalities or exposed threads are found. Install specified swaged steel cable assemblies within 400 hours' time in service or 12 months, whichever comes first.

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 or within 30 days, whichever occurs first after the effective date of this AD, for initial inspections. Replacement must be done within 400 hours' time in service or 12 months, whichever occurs first.

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

Affected Aircraft

Schweizer Model 269A, 269A-1, 269B, and 269C helicopters with Serial Numbers 0004 through 0819 and those subsequent to 0819 that have had throttle cables replaced.

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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