What was found
FLIGHT 5239 LEFT 14TH STAGE BLEED AIR DUCT WARNING.TIGHTENED LOOSE BLEED AIR COUPLING AT THE T/R PDU
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLIGHT 5239 LEFT 14TH STAGE BLEED AIR DUCT WARNING.TIGHTENED LOOSE BLEED AIR COUPLING AT THE T/R PDU