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| The purpose of Task 303 is to perform and document analyses of Engineering Change Proposals (ECPs), Specification Change Notices (SCNs), Software Problem Reports (SPRs), program or software trouble reports (PTRs, STRs), and requests for deviation or waiver to determine the safety impact on the system. | |
| The contractor shall analyze each SCN to determine the potential effect on safety critical components or subsystems. The contractor shall notify the MA if the level of safety of the system will be reduced. | |
| The contractor shall review each SPR to determine the potential safety implications. If safety impacts are identified, the contractor shall notify the MA of a decrease in the level of safety of the system | |
| The contractor shall analyze each request for deviation/waiver to determine the hazards and assess the risk of the proposed deviation from or waiver of a requirement, or a specified method or process. The change in the risk involved in accepting the deviation or waiver shall be identified. When the level of safety of the system will be reduced by deviation from, or waiver of the requirement, method, or process, the MA must be so notified. | |
| Imposition of Tasks 101 and 303 | |
| Specify amount of change in the level of safety requiring MA notification and the method and timing of such notification | |
| Identify class of ECP or type of deviation/waiver to which this task applies | |
| Identify who shall execute review and sign-off authority for each class of ECP or type of deviation/waiver | |