As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 867, PHL-PUJ - WHILE EN ROUTE TO PUJ, THE FLIGHT EXPERIENCED A STRONG AND PUNGENT BURNING ODOR IN THE CABIN AND THE COCKPIT. NO SMOKE WAS EVIDENT. O2 MASKS WERE DONNED AND QRH PROCEDURES WERE ACCOMPLISHED. THE ODOR DIMINISHED AFTER TURNING THE BLEED OFF. MAINTENANCE FOUND WATER IN SENSE LINE OF NR 2 PACK, PERFORMED OPERATIONAL CHECK AND FERRIED TO PHL. PHL MAINTENANCE TROUBLESHOT AND REPLACED THE LEFT AIR CYCLE MACHINE.