A-89-078
NTSB Safety Recommendation — Aviation
Recommendation text
THE NTSB RECOMMENDS THAT THE FEDERAL AVIATION ADMINISTRATION: ISSUE AN AIRWORTHINESS DIRECTIVE REQUIRING THAT DISTRIBUTOR VALVE PROTECTIVE COVERS BE ADDED TO ALL FLIGHT CONTROL SERVO ACTUATORS INSTALLED ON AEROSPATIALE AS 350 AND AS 355 MODEL HELICOPTERS. THIS MODIFICATION SHOULD BE ACCOMPLISHED IN ACCORDANCE WITH AEROSPATIALE SERVICE BULLETINS 67-05 AND 67-01 DATED APRIL 30, 1982, AND SERVICE BULLETIN 67-07 DATED FEBRUARY 22, 1985.
In plain language (FlightFinder summary)
The FAA is asked to issue an airworthiness directive requiring that distributor valve protective covers be added to all flight control servo actuators installed on Aerospatiale AS 350 and AS 355 model helicopters, in accordance with Aerospatiale Service Bulletins 67-05 and 67-01 dated April 30, 1982, and Service Bulletin 67-07 dated February 22, 1985.
This plain-language summary is written by FlightFinder to explain the recommendation above. It is not the official wording — the verbatim NTSB text is quoted above.
Details
| Status | Closed - Acceptable Action |
|---|---|
| Mode | Aviation |
| Closed | Mar 27, 1991 |
| NTSB number | MKC88FA043 |
| Addressees | FAA |
External links
NTSB safety recommendations are advisory; addressees are not legally required to adopt them. Source: NTSB CAROL (public domain).