As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON SHORT FINAL WE HEARD A BEEPING NOISE IN BACK IT APPEARS THE LAV SMOKE DETECTOR DISCHARGED NO EVIDENCE OF FIRE. INSP BOTH REAR & FWD LAV SMOKE DETECTORS, FIRE BOTTLES & TEMP PLACARDS. NTF. DUE TO PILOT REPORT TO MCC OF A TYPE SMELL AT FWD LAV, PLACED ON MCO IAW MEL 26-00-06B, M PROCEDURE C/W. PLACARD INSTALLED. MCC (TOM) NOTIFIED < FIRE EXTINGUISHER. (LP6030154)