After a Flight Readiness Review on 28 October, an additional FRR was requested to further analyze the Redesigned Solid Rocket Motor (RSRM) due to nozzle erosion that occurred on STS-79; on the 29th, a fuel pump failed, delaying the fueling process of "Columbia". The erosion problem led to a week long delay instituted on 4 November. A launch date of 15 November was set, contingent on a successful Atlas launch two days prior. The forecast of bad weather pushed the launch back even further, to a date of 19 November.