As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CAPT O2 MASK FAILS TO TEST IN STORAGE BOX. MASK OPS NORMAL BUT NOT TEST. SUPPLEMENTAL DATA UPDATE, MASKS OPS NORMAL BUT WILL NOT TEST. SWAPPED CAPTAIN'S AND 2ND OBS MASK. OPS CHKD GOOD. LEAK CHECKED GOOD. REPLACED 2ND OBSERVERS O2 MASK.