AMC
25.1441(c) Oxygen chemical generators and small sealed, one-time
use gaseous oxygen bottles
ED
Decision 2019/013/R9/013/R
For chemical generators and for small, sealed, one-time use, gaseous oxygen bottles distributed throughout the cabin for passenger use, the following precautions should be considered in order to ensure that oxygen is actually available:
1. The oxygen supply source should be designed and tested to ensure that it will retain the required quantity of oxygen or chemicals throughout its expected life under the foreseeable operating conditions;
2. A means should be provided for maintenance personnel to readily determine when oxygen is no longer available in the supply source due to inadvertent activation;
3. The life limit of the oxygen supply source should be established by test and analysis;
4. Each oxygen supply source should be labelled such that the expiration date can be easily checked by maintenance; and
5. Instructions for continued airworthiness should be provided to ensure that the oxygen supply sources:
a. are removed from the aeroplane and replaced whenever they have been used, and before they reach their expiration dates; and
b. are not installed on the aeroplane beyond their expiration dates.
[Amdt
No: 25/23]
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