Inspection and Testing

• 1). Refer to the aircraft maintenance manual for proper removal and replacement procedures and review the directions for the specific aircraft.
  
  
• 2). Access the bottle by removing necessary aircraft panels with the screwdriver.
  
  
• 3). Check the most recent date stamp near the top of the bottle to determine if testing is necessary.
  
  
• 4). Confirm the bottle valve is closed and remove it using a wrench according to the maintenance manual instructions. Do not empty any remaining oxygen.
  
  
• 5). Cap all oxygen lines on the aircraft to prevent contamination or moisture intrusion.
  
  
• 6). Deliver bottle to an authorized testing facility. Secure and cap the bottle during transport. If testing is successful, most facilities will refill the bottle with oxygen.
  
  
• 7). Replace the bottle according to the maintenance manual and replace aircraft access panels.
  
  
• 8). Enter the oxygen bottle service into the aircraft maintenance logbook.