What was found
F/O'S OXYGEN MASK WILL NOT TEST. NO SHOP FINDINGS COULD BE LOCATED FOR THIS UNIT- FO'S O2 BOX WAS REPLACED ON AIRCRAFT- NO REPEATS SINCE ORIGINAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
F/O'S OXYGEN MASK WILL NOT TEST. NO SHOP FINDINGS COULD BE LOCATED FOR THIS UNIT- FO'S O2 BOX WAS REPLACED ON AIRCRAFT- NO REPEATS SINCE ORIGINAL.