What was found
NR 4 SMOKE DETECTOR WILL NOT TEST, ON PREFLIGHT, GENERATED BY PILOT REPORT. REMOVED AND REPLACED NR 4 SMOKE DETECTOR POWER SUPPLY. OPS CHECK NORMAL PER MM CHAPTER 26. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
NR 4 SMOKE DETECTOR WILL NOT TEST, ON PREFLIGHT, GENERATED BY PILOT REPORT. REMOVED AND REPLACED NR 4 SMOKE DETECTOR POWER SUPPLY. OPS CHECK NORMAL PER MM CHAPTER 26. (M)