A-87-038
NTSB Safety Recommendation — Aviation
Recommendation text
THE NTSB RECOMMENDS THAT THE FEDERAL AVIATION ADMINISTRATION: ISSUE AN AIRWORTHINESS DIRECTIVE THAT WOULD MAKE COMPLIANCE WITH GENERAL ELECTRIC SERVICE BULLETIN (CT7 TP SERIES) NO. 74-09 MANDATORY ON ALL GENERAL ELECTRIC CT7-5A2 ENGINES INSTALLED IN SAAB-SCANIA SF-340A AIR PLANES AT THE NEXT OPPORTUNITY, NOT TO INTERFERE WITH FLIGHT OPERATIONS AND NOT TO EXCEED 120 DAYS, AND CONCURRENTLY, SUPERSEDE AND CANCEL TELEGRAPHIC AIRWORTHINESS DIRECTIVE (TAD) NO. T86-10-51.
In plain language (FlightFinder summary)
The FAA is asked to issue an airworthiness directive making compliance with General Electric Service Bulletin (CT7 TP Series) No. 74-09 mandatory on all General Electric CT7-5A2 engines installed in Saab-Scania SF-340A aircraft, to be accomplished at the next opportunity not interfering with flight operations and no later than 120 days, and concurrently supersede and cancel Telegraphic Airworthiness Directive (TAD) No. T86-10-51.
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 | May 20, 1988 |
| NTSB number | DCA86RA024 |
| Addressees | FAA |
External links
NTSB safety recommendations are advisory; addressees are not legally required to adopt them. Source: NTSB CAROL (public domain).