As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAXI OUT AND ENGINE START, RT ENGINE START VALVE LIGHT AND NO N2 DURINIG GROUND START. RIGHT ENGINE START VALVE WIOULD NOT OPEN. AIRCRAFT RETURNED TO BLOCKS (BTB). DEFERRED SYSTEM IAW MEL C ABX-80-00-2-1. REMOVED AND REPLACED #2 ENGINE START VALVE IAW B767 AMM 80-11-02. OPS TEST GOOD. THIS CLEARS DI 62885. PLACARDS REMOVED. NO ACTIVATION PROCEDURES APPY. A/C RETURNED TO SERVICE.