As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT CREW REPORTED MOMENTARY FIRE WARNING MESSAGE ON EICAS. FOUND DAMAGE TO THE 8TH STAGE MANIFOLD. REPLACED 8TH STAGE MANIFOLD IAW AMM 36-11-01/401 PER 114 & IPC 36-11-05-01B REV 89. PERFORMED NR 2 ENG PNEUMATIC LEAK TEST IAW AMM 71-00-00-705-002-N00. LEAK CHECK OK. NO FURTHER DEFECTS NOTED.