As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT NR 6564- GSO-IAD - DURING CLIMB-OUT, RETURNED TO GSO DUE TO THE LEFT ENGINE RPM ROLLED BACK TO 90 PERCENT DURING CLIMB TO 1500 FT. AIRCRAFT LANDED AT GSO WITH NO FURTHER INCIDENTS. MAINTENANCE ADJUSTED SCREW 'X' ON THE FUEL CONTROL. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)