As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 4 SMOKE DETECTOR WILL NOT TEST. DEFERRED PER MEL 26-6-1. CAT. "C". THIS IS DMI 12416. NR 4 SMOKE DETECTOR WILL NOT TEST REF. DMI 12416. REMOVED AND REPLACED NR 4 SMOKE DETECTOR BULBS PER M/M 26-10-5. SYSTEM OPS CHECKED GOOD. THIS CLEARED DMI 12416.