71-26-03: Servo Support Bracket
FAA order 71-26-03 is an airworthiness directive in force since December 30, 1971. The FAA's subject line: Servo Support Bracket. It names Sikorsky S-55: about 15 aircraft on the U.S. register today, though an order usually covers particular versions or serial numbers rather than every one. System: flight controls.
What it applies to as the FAA lists it
- Kind of product
- Aircraft
- Makes
- Sikorsky Aircraft Corporation
- Models
- S-55, S62A
- On this site
- Sikorsky S-55 15 registered
Dates and paperwork
- In force since
- December 30, 1971
- Docket
- Unknown
- Status
- Current
- The FAA's document
- Read the order on the FAA's site
The order itself the regulatory text, as published
Show the full text (1,525 characters)
71-26-03 SIKORSKY AIRCRAFT: Amdt. 39-1363. Applies to Sikorsky S-62A and S- 55 type Helicopters certified in all categories.
Compliance required as follows:
To preclude the failure of the S-62A and S-55 Servo Support Bracket P/N 1440-2415.
1. Unless already accomplished within the last 95 hours in service, inspect the servo support bracket within the next 25 hours in service after the effective date of this AD, in accordance with Part I subparagraph A and B of Accomplishment Instructions of Sikorsky Service Bulletins 55B40-6 or 62B40-8 as applicable dated October 1, 1971 or later FAA- approved revision or an alternate method approved by the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region.
2. Inspect the bracket within 120 hours in service after the inspection in paragraph 1 of this airworthiness directive and every 120 hours thereafter in accordance with Part I subparagraph B of Accomplishment Instructions of Sikorsky Service Bulletins 55B40-6 or 62B40-8 as applicable dated October 1, 1971 or later approved revision or an alternate method approved by the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region.
3. Conduct fluorescent magnetic particle inspection in accordance with Part II Accomplishment Instructions of SIK S/B 55B40-6 or 62B40-8 as applicable at gear box overhaul or 1250 hours, whichever comes first; or an alternate method approved by Chief, Engineering and Manufacturing Branch, FAA, Eastern Region.
This amendment is effective December 30, 1971.
Source: FAA Dynamic Regulatory System, airworthiness directives. The FAA's document is the authority; the register counts are this site's, from the FAA register of November 9, 2026. Connections as data: /graph/directive/71-26-03.json · aircraft systems.
