What was found
DURING CLIMBOUT, SELECTED VNAV, PLANE WOULD NOT ACCELERATE PAST 215 KIAS. CLIMB PAGE SHOWED "ACT 215 CLB" AT TOP BUT SHOWED 315/.791 AT L2 ON FMC. ACFT GROUNDED. PERFORMED FMCS BITE PROCEDURE 34-61-801, NO FAULTS RECORDED, ALSO REF COMP FLIGHT MANUAL SECT 6.110, SEAMC.