What was found
CREW REPORT: F/O O2 MASK MIC INOP SWAPPED F/O MASK WITH 1ST OBSERVER MASK PER AMM. DEF 1ST OBSERVER POSITION SLIDING SEAT PER MEL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CREW REPORT: F/O O2 MASK MIC INOP SWAPPED F/O MASK WITH 1ST OBSERVER MASK PER AMM. DEF 1ST OBSERVER POSITION SLIDING SEAT PER MEL.