What was found
EXPERIENCED LOUD THUMP, UNKNOWN PROBLEM, OUTFLOW VALVE FULL CLOSED. FOUND COMPRESSOR OUTLET DUCT DETACHED. INSP AND REINSTALLED DUCT, LEAK CK OK NR 3 A/C PACK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
EXPERIENCED LOUD THUMP, UNKNOWN PROBLEM, OUTFLOW VALVE FULL CLOSED. FOUND COMPRESSOR OUTLET DUCT DETACHED. INSP AND REINSTALLED DUCT, LEAK CK OK NR 3 A/C PACK.