What was found
CREW REPORT: FIRST OFFICER O2 MASK HEAD STRAP BLEW A MAJOR LEAK. WILL NOT STAY IN PLACE ON HEAD. MX SWAPPED THE OBS & F/O MASK. OBS SEAT INOP PENDING O2 MASK REPLACEMENT. REPLACED OBS O2 MASK, CHECK OKAY.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CREW REPORT: FIRST OFFICER O2 MASK HEAD STRAP BLEW A MAJOR LEAK. WILL NOT STAY IN PLACE ON HEAD. MX SWAPPED THE OBS & F/O MASK. OBS SEAT INOP PENDING O2 MASK REPLACEMENT. REPLACED OBS O2 MASK, CHECK OKAY.