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84 Project No.______ Book No._____ TITLE ___TCDT STS-4____ From Page No.____ L-1 activities - pretty nominal. Flew STA suited Hank will activate debris camera; FDF Markups (no hyd's - DEV OMI) (ACTION) TK requests an additional no comm hand signal for PWR DN w/o Egress CFCS running real late (air in lines; GSE/front pnl interference) Will hit CTS. 1800 cue card fit check cplt CTS on time. Comm act. late & running slow: CFES in way; too many other parallel activities. (Williams working many items, but not comm!) Steve deleted seat back pressuring because GSE/CFES conflict & to fix time. On-shed @ end OSSV 1. *Switch list in parallel. 82-1 fan level was low (Su); Std Sw Panel not right (lower L & R quad overlays are identical - shouldnt be so). SPERN PR *Crew preference cockpit config items: PLT's LVLH vice REF on ADI 2 BFS displays. Work 482/Dev vice Do it routes (Griffith, Hawley) *Do not pull OIS prior to switch list in future Question of guards for PL Bay Floods still open TERMINAL COUNT: OMS gimbal profile IPR - believed due GOAL calc. of drive rates. IMU ALIEN COMPLETE discrete not set. Also believed due gnd S/W. (6 mm) T-4m Unplanned hold. Error in masking HYD SPLY P's for TCDT (6 mm) T-2 55 Unplanned hold. Actr /_\ [[Greek Delta Symbol]] P' limits should have been mashed (Flaky without hyds due to friction effects) (16 mm) T-1 57 Unplanned hold. LCC lost NSP frame sync but when MILA U/L carrier executer failed, 16 min T-031 Unplanned hold. AC voltage glitches on all buses; MCA ob's popped; vent doors @ rud-travel. Conflicting ends on vent door MCA's (S0017 procedural oversight) Egressed crew, set new T-0 (1520 EDT) & commenced recycle activities Pick up T-20M @ 1450 w/o RSS holds, suits, abort advisory checks SSME ETU #1 still down; believe procedural prob. Mask RSLS. Cabin for B = source of 200hz noise (acoustic surrey run during hold) *UNLOAD THE EARLY TIMELINE To Page No.___ Witnessed & Understood by me,_____ Date____ Invented by_____ Recorded by_____ Date____