AD 71-26-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Sikorsky Aircraft Corporation | S-55 | Airworthiness Directives; Sikorsky Models S-62A and S-55 Helicopters |
| aircraft | Sikorsky Aircraft Corporation | S62A | Airworthiness Directives; Sikorsky Models S-62A and S-55 Helicopters |
Unsafe Condition
Failure of the S-62A and S-55 Servo Support Bracket P/N 1440-2415.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the servo support bracket within 25 hours in service after the AD's effective date if not done in last 95 hours. Subsequent inspections every 120 hours in service. Conduct fluorescent magnetic particle inspection at gear box overhaul or 1250 hours, whichever comes first.
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Compliance Time
Within the next 25 hours in service after December 30, 1971, and every 120 hours thereafter. Fluorescent magnetic particle inspection required at gear box overhaul or 1250 hours in service, whichever comes first.
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Affected Aircraft
Sikorsky Models S-62A and S-55 Helicopters certified in all categories.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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