yee@ames.arc.nasa.gov (Peter E. Yee) (08/08/88)
KSC SPACE SHUTTLE PROCESSING REPORT FOR - Monday, August 8, 1988 STS-26 - DISCOVERY (OV 103) - PAD 39-B Work on changing the hydrogen fuel bleed valve in Discovery's number 2 main engine went better than expected over the weekend. After a telecon this morning, shuttle managers decided the hardware will be ready to support picking up the countdown for the Flight Readiness Firing (FRF) Tuesday night at the T-11 hour mark at 6:10 p.m. and the T-0 is scheduled for 7:30 a.m. Wednesday, August 10. The hydrogen fuel bleed valve on Discovery's number 2 main engine was removed Saturday afternoon and the new valve was in place by midnight Saturday. A leak check was conducted and verified the valve was good. Yesterday Rocketdyne technicians reconnected lines that had to be removed to get access to the bleed valve. Today workers are closing out and inspecting the aft compartment and later today the engine service platforms will be removed. By tomorrow morning the blast doors will be installed on Discovery's aft compartment in preparation for the FRF. STS-27 - ATLANTIS (0V 104) - OPF BAY 2 The second of three main engines arrived at KSC Friday night. The number 1 and 2 main engines are scheduled to be installed this weekend. The fuel cell that failed during recent testing was removed and replaced over the weekend. Orbiter modifications, vehicle systems testing and thermal protection system operations are continuing this week. STS-28 - COLUMBIA (OV 102) - OPF BAY 2 The power reactant storage and distribution system tanks are scheduled to be removed this week so improvements can be made. Activities scheduled this week include structural inspections, thermal protection system operations, and orbiter return-to- flight modifications. STS-27 SOLID ROCKET BOOSTERS - RPSF/VAB The left aft center segment was mated to the aft booster over the weekend. The left forward center segment is being prepared for mating in the VAB transfer aisle. Meanwhile booster "build up" activities are continuing on the right aft booster in the RPSF.