As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
R ENG TAI VALVE STATUS MESSAGE(<P>TRANSFERRED TO MDDR 150187 IAW MEL 30-21-01-04-02, CAT C.</P> / <P>LP 1453769: REMOVED AND REPLACED ENG. INLET TAI PRESSURE SWITCH IAW AMM 30-21-01. OPERATIONAL CHECK OK. NO EICAS MSG. A/C OK TO RELEASE. THIS CLEARS MDDR 150187.</P>)