What was found
FIRST OBSERVERS O2 MASK MIC DOES NOT TEST. THE 1ST OBSERVERS SEAT INOPERATIVE. REPLACED O2 MASK ASSY.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FIRST OBSERVERS O2 MASK MIC DOES NOT TEST. THE 1ST OBSERVERS SEAT INOPERATIVE. REPLACED O2 MASK ASSY.