As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MEL 21-20 AUTH# 120348DM-C. ELECTRO PNEUMATIC OUTFLOW VALVE INOP DUE TO MEL 21-17 RETURN TO FIELD..PRESSURIZATION ISSUES..DECLARED EMRG AND LANDED WITHOUT FURTHER INCIDENT-C/A-REACTIVATED ELECTROPNEUMATIC OUTFLOW VALVEAS PER AMM 21-31-03-440-801A.OPS CHECK GOOD AS PER AMM 21-31-00. MEL ITEM RESTORED