As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PER FLIGHT ATTENDANT PANEL AT DOOR 1 LEFT FLASHED RED WITH FIRE DETECTED AND AT DOOR 3 RIGHT GOT A RED FIRE INDICATION. RESET PAX SERVICE ENTERTAINMENT UNIT (PSEU) AND ACCOMPLISHED PSEU ADJUSTMENT. TESTED & CHECKED FIRE DETECTION SYSTEM PER MM'S 26- 10-01, 26-14-12, & 32-08-00-501. SUSPECT FALSE ANNUNCIATOR INDICATION. NO FAULTS FOUND.