As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
REF A/P-19857(<P>PER MCC REQUEST R&R FAN AIR MODULATING VALVE.TEST FAILED AND REINSTALLED ORIGINAL FAMV PER B 767 AMM 36-11-16-404-015-006. TRANSFERRED TO MDDR # 146267 IAW 36-12-02-01. COMPLIED WITH MX PROCEDURES PER DDG. CAT C DUE DATE 12-MAY-21 MCC NOTIFIED. PLACARDS INSTALLED.</P>)