What was found
NR 2 FIRE DETECTION SYSTEM FAULT LIGHT B ILLUMINATED. INSPECTED AND FOUND THE NR 2 SYSTEM A BULB BLOWN CAUSING THE B-LOOP TO FAIL. REPLACED LAMP AND RESET B CIRCUIT BREAKER. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
NR 2 FIRE DETECTION SYSTEM FAULT LIGHT B ILLUMINATED. INSPECTED AND FOUND THE NR 2 SYSTEM A BULB BLOWN CAUSING THE B-LOOP TO FAIL. REPLACED LAMP AND RESET B CIRCUIT BREAKER. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.