What was found
DURING PRESTART CHECK. NR 1 FIRE WARNING SYSTEM WOULD NOT TEST. AFTER ENGINES WERE RUN AND ENGINE COMPARTMENTS WERE DRIED OUT, SYSTEM TESTED NORMALLY.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING PRESTART CHECK. NR 1 FIRE WARNING SYSTEM WOULD NOT TEST. AFTER ENGINES WERE RUN AND ENGINE COMPARTMENTS WERE DRIED OUT, SYSTEM TESTED NORMALLY.