What was found
NUMEROUS STATUS MESSAGES RELATED TO EICAS CAUTION AUTOSPEED BRAKES. PSEU 2, PSEU 1, GEAR CONTROL...AND MANY MORE. ALL CAME ON WHEN CAUTION CAME UP. FOUND PSEU #1 LOOSE IN THE RACK, RESET PSEU #1 IN IT'S RACK REF B777 M.M. 32-08-01-4, VERIFIED #2 PSEU IS SECURE IN IT'S RACK REF B777 M.M. 32-08-01-4, C/W PSEU#1 AND PSEU #2 TEST REF B777 M.M. 32-08-00-5, ALL TEST NORMAL ALL PREVIOUS STATUS MESSAGES ARE CLEARED. A/C OK TO CONTINNUE.