What was found
ENGINE MANIFOLD PRESSURE FLUCTUATED 4 INCHES IN-FLIGHT. TROUBLESHOOTING FOUND NO OBVIOUS DISCREPANCIES WITH ENGINE. DIFFERENTIAL CONTROLLER WAS CHANGED AND SYMPTOMS CURED. TEST FLOWN AND OPS CHECKED NORMAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ENGINE MANIFOLD PRESSURE FLUCTUATED 4 INCHES IN-FLIGHT. TROUBLESHOOTING FOUND NO OBVIOUS DISCREPANCIES WITH ENGINE. DIFFERENTIAL CONTROLLER WAS CHANGED AND SYMPTOMS CURED. TEST FLOWN AND OPS CHECKED NORMAL.