What was found
AIRCRAFT WAS GROUNDED: PILOT REPORTS AT FL 37.0 MANAGED SPEED AT .78, SPEED VAIRIES FROM .76. TO .79 CONTINUOUSLY IN SELECTED SPEED MAINTAIN .78. MAINTENANCE REPLACED FLIGHT CONTROL UNIT IAW AMM-22-81-12. OPS CHECKS GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS GROUNDED: PILOT REPORTS AT FL 37.0 MANAGED SPEED AT .78, SPEED VAIRIES FROM .76. TO .79 CONTINUOUSLY IN SELECTED SPEED MAINTAIN .78. MAINTENANCE REPLACED FLIGHT CONTROL UNIT IAW AMM-22-81-12. OPS CHECKS GOOD.