A-92-005
NTSB Safety Recommendation — Aviation
Recommendation text
THE NTSB RECOMMENDS THAT THE FEDERAL AVIATION ADMINISTRATION: ISSUE AN AIRWORTHINESS DIRECTIVE APPLICABLE TO ALL MARVEL- SCHEBLER AND FACET AEROSPACE MA-3A, MA-3PA, MA-3SPA, AND MA-4SPA CARBURETORS REQUIRING THE EXPEDIENT REPLACEMENT OF TWO-PIECE VENTURI SYSTEMS WITH A ONE-PIECE COMBINATION PRIMARY AND MAIN VENTURI CASTING, IN ACCORDANCE WITH PRECISION AIRMOTIVE CORPORATION SERVICE BULLETIN NO. MSA-2. (URGENT)
In plain language (FlightFinder summary)
The FAA is asked to issue an airworthiness directive for all Marvel-Schebler and Facet Aerospace MA-3A, MA-3PA, MA-3SPA, and MA-4SPA carburetors, requiring the expedient replacement of two-piece venturi systems with a one-piece combination primary and main venturi casting as specified in Precision Airmotive Corporation Service Bulletin No. MSA-2.
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 - Unacceptable Action |
|---|---|
| Mode | Aviation |
| Closed | Nov 23, 1993 |
| NTSB number | NYC91FA246 |
| Addressees | FAA |
External links
NTSB safety recommendations are advisory; addressees are not legally required to adopt them. Source: NTSB CAROL (public domain).