What was found
DURING WALKAROUND CHECK, FOUND NR 2 ENG FIRE LOOP WILL NOT TEST. REMOVED AND REPLACED NR 2 ENG FIRE LOOP UNIT PER BOEING MM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING WALKAROUND CHECK, FOUND NR 2 ENG FIRE LOOP WILL NOT TEST. REMOVED AND REPLACED NR 2 ENG FIRE LOOP UNIT PER BOEING MM.