As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 6823 -ATB/PRES - DUE TO LOSS OF CABIN PRESSURE FL290 AND AFTER EMERGENCY DESCENT USED MAN PRESS. MASK DID NOT DEPLOY. CORRECTIVE ACTION: FOUND INSULATION BLANKET HANGING OUT OF OUT FLOW VALVE, RE-SECURED BLANKET. FOUND BOTH PACK BAY SUPPLY DUCTS LEAKING AT CLAMPS, RE-SECURED CLAMPS. PERFORMED SINGLE PACK CONFIDENCE CHECK AND EXCESSIVE CABIN LEAKAGE CHECK NO FAULTS.