What was found
DURING CLIMB, AFTER FLAPS RETRACTION A/C DID NOT ACCELERATE MORE THAN 235 KNOTS. BOTH PFDS AND STANDBY AIRSPEED SHOWED THE SAME MESSAGE. AIRCRAFT RETURNED TO SAL FOR MAINTENANCE. AFTER LANDNG, THE WIRING ON THE VMO/MMO SWITCH WAS CHECKED AND TROUBLESHOOTING WAS PERFORMED PER TASK TSM 34-13-00-810-912, AND NR LGCIU WAS REPLACED DUE TO ERRONEOUS FAULT PER AMM 32-31-71. NO FAULTS WERE NOTED. A FLIGHT TEST WAS PERFORMED TO VERIFIED ALL SYSTEMS AND ITS RESULTS WERE SATISFACTORY. AIRCRAFT RETURNED TO NORMAL OPERATION. (M)