AD Amdt-39-10727
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Schweizer | Various | Airworthiness Directives; Schweizer Aircraft Corporation and Hughes Helicopters, Inc. Model 269A, 269A-1, 269B, 269C, 269D, and TH- 55A Helicopters |
Unsafe Condition
Debonding and corrosion have occurred on certain blades where the abrasion strip attaches to the blade skin.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Visually inspect the bond line between the main rotor blade abrasion strip and blade for voids, separation, or lifting. Visually inspect the adhesive bead around the abrasion strip perimeter for erosion, cracks, or blisters. Perform a tap (ring) test for debonding or hidden corrosion voids. Remove and replace blades with unairworthy abrasion strips.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight
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Affected Aircraft
Schweizer Aircraft Corporation and Hughes Helicopters, Inc. Models 269A, 269A-1, 269B, 269C, 269D, and TH-55A helicopters.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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