As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT IN BASE MAINTENANCE: SEAT ROW 5FD THE OXYGEN RELEASE PIN EYELET WAS NOT CLOSED AS INSTRUCTED BY ECO/AMM REFERENCES. CRIMPED OXYGEN GENERATOR FIRING PIN WITH OXYGEN MASK LANYARDS ATTACHED AT SEAT ROW 5FD PER AMM 35-21-42-400-001-A AND AMM 35-21-43-400-001-A