As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PASSENGER OXYGEN CONTAINER AT SEAT 29DEF FAILED TO OPEN DURING MANUAL DROP TEST. REMOVED AND INSTALLED NEW OXYGEN CONTAINER AT SEAT ROW 29DEF PER AMM 35-21-41-000-001-A AND 35-21-41-400-001-A. REMOVED SAFETY RING PER AMM 35-21-41-400-001-A. OPERATIONAL TEST OF THE PASSENGER OXYGEN SYSTEM TO BE PERFORMED ON TASK CARD 17-3523-1- 7806 SEQ 449 IDT.