AD 72-16-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Sikorsky Aircraft Corporation | S-61A | Airworthiness Directives; Sikorsky Models S61A, S61L, S61N, and S61R Helicopters |
| aircraft | Sikorsky Aircraft Corporation | S-61L | Airworthiness Directives; Sikorsky Models S61A, S61L, S61N, and S61R Helicopters |
| aircraft | Sikorsky Aircraft Corporation | S-61N | Airworthiness Directives; Sikorsky Models S61A, S61L, S61N, and S61R Helicopters |
| aircraft | Sikorsky Aircraft Corporation | S-61R | Airworthiness Directives; Sikorsky Models S61A, S61L, S61N, and S61R Helicopters |
Unsafe Condition
Improper electrical feeder wire gage in the A.C. circuit breaker panel could lead to electrical circuit overload and potential fire hazard.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Within 25 hours time in service from the AD's effective date, comply with Sikorsky Service Bulletin 61B55-27A, Paragraph 2A or later approved revision. Within 250 hours time in service from the effective date, conduct a conformity inspection per aircraft drawing effectivity list in SB 61B55-27A, Paragraph 2.B(5), inspect alterations affecting the A.C. circuit breaker panel, and ensure feeder wire sizes are adequate. Required changes must be approved by 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 from the effective date and within 250 hours time in service from the effective date.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Sikorsky Models S61A, S61L, S61N, and S61R helicopters.
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
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.