As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT BOS-PBI., AFT FLIGHT ATTENDANT REPORTS STRONG DIRTY SOCK AND BLEACH ODOR IN THE CABIN AND GALLEY DURING DESCENT WHEN ON ENGINE BLEEDS; ACCOMPLISHED FIM TASK J21-22-00-00AAAJ13A NO DEFECTS NOTED ACCOMPLISHED ENGINE NR 1 AND 2 IDLE POWER RUN ALL BLEED SOURCES ISOLATED COULD NOT DUPLICATE ODOR - ODOR CLASSIFIED AS TRANSIENT ACFT OK FOR SVC.