Nov 13 (Reuters) - Programmed Maintenance Services Ltd PRG.AX :
* Impairment does not result in any material change to the expected benefits or cash flow"
* Market for marine services has significantly deteriorated in recent months"
* Estimates a non cash impairment of value of these assets of about $28 million in first half year FY 2016 results
* Source text for Eikon ID:nASX3wK0p1