As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RAPID DEPRESSURIZATION AT FL 330 MASKS DID NOT DROP PRIOR LOSS OF CABIN FLOW-LIGHT BLINKED. NO OTHER LIGHTS WERE ON, CABIN ALT CLIMBED TO 10500 FT MAX. FOUND DUCT CLAMP OFF AT INLET OF LT PACK ACM. RESECURED CLAMP AND PRESSURIZED CABIN USING LT ENG AS PNEU SUPPLY ALSO PERFORMED CABIN PRESSURIZATION USING RT PACK AND ENG ALL SYSTEMS NORMAL.