As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INTERMITTENT FIRE WARNING ON NR 2 ENG. SHUT BLEED AIR OFF ON NR 2, NO FURTHER WARNINGS, FIRE WARNING TEST GOOD. COULD NOT DUPLICATE PROBLEM. TIGHTENED PNUE CLAPS ON NR 2 PNUE PRESSURE REG, NO OTHER DEFECTS NOTED. ON GROUND RUN NR 2 ENG FIRE WARNING OPS CHECK GOOD. NR 2 ENG PNEU BLEED SYSTEM OPS CHECKS GOOD AND LEAK CHECKS GOOD.