What was found
CAPTAIN'S O2 MASK WILL NOT PRESS TO TEST. SWAPPED CAPTAIN'S AND 2ND OBSERVERS O2 MASK BOXES IAW AMM. CAPT'S MASK TESTS NORMAL, DEFERRED 2ND OBSERVERS SEAT IAW MEL 2511R.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CAPTAIN'S O2 MASK WILL NOT PRESS TO TEST. SWAPPED CAPTAIN'S AND 2ND OBSERVERS O2 MASK BOXES IAW AMM. CAPT'S MASK TESTS NORMAL, DEFERRED 2ND OBSERVERS SEAT IAW MEL 2511R.