STS-131

Flight Day 1
Launch
Payload Bay Door Opening
Ku-Band Antenna Deployment
Shuttle Robotic Arm Activation and
Payload Bay Survey
Umbilical Well and Hand-held External
Tank Photo and TV Downlink


Flight Day 2
Discovery’s Thermal Protection System
Survey with Shuttle Robotic Arm/Orbiter
Boom Sensor System (OBSS)
Extravehicular Mobility Unit checkout
Centerline Camera Installation
Orbiter Docking System Ring Extension
Orbital Maneuvering System Pod Survey
Rendezvous tools checkout


Flight Day 3
Rendezvous with the International Space
Station
Rendezvous Pitch Maneuver Photography
of Discovery’s Thermal Protection System
by Expedition 23 crew members Creamer
and Kotov
Docking to Harmony/Pressurized Mating
Adapter-2
Hatch Opening and Welcoming
Canadarm2 grapple of OBSS and handoff to
Shuttle robotic arm


Flight Day 4
Leonardo Multi-purpose Logistics Module
unberth from Discovery’s cargo bay
and installation on Harmony module’s
Earth-facing port
Leonardo activation and ingress
Spacewalk 1 preparations by Mastracchio
and Anderson
Spacewalk 1 procedure review
Spacewalk 1 campout by Mastracchio and
Anderson in the Quest airlock


Flight Day 5
Transfer of cargo from Leonardo to ISS
Spacewalk 1 by Mastracchio and Anderson
(removal of depleted Ammonia Tank
Assembly from S1 truss, replacement of a
failed gyroscope unit in the S0 truss,
retrieval of Japanese experiment from the
Japanese Exposed Facility, preparations for
replacement of batteries on the P6 truss on a
later mission)


Flight Day 6
Focused inspection of Discovery’s thermal
protection heat shield, if required
Cargo and rack transfer from Leonardo to
ISS
Spacewalk 2 procedure review
Spacewalk 2 campout by Mastracchio and
Anderson in the Quest airlock


Flight Day 7
Spacewalk 2 by Mastracchio and Anderson
(install new Ammonia Tank Assembly on
the S1 truss, temporarily stow the depleted
ammonia tank on the truss’ crew translation
cart, install micrometeoroid debris shields
on the Quest airlock)


Flight Day 8
Crew off duty time
Cargo transfer from Leonardo to ISS
Spacewalk 3 procedure review
Spacewalk 3 campout by Mastracchio and
Anderson in the Quest airlock


Flight Day 9
Spacewalk 3 by Mastracchio and Anderson
(install depleted ammonia tank back in
Discovery’s cargo bay, installation of a
lightweight plate adapter assembly on the
Dextre robot, installation of a new light on a
camera assembly on the Destiny laboratory,
installation of a camera pan and tilt
assembly on Dextre)
Cargo transfer from Leonardo to ISS


Flight Day 10
Final cargo transfer operations
Joint Crew News Conference
Crew off duty time
Flight Day 11
? Demate of the Leonardo Multi-purpose
Logistics Module from the Harmony
Earth-facing port and berthing back in
Discovery’s cargo bay
Farewells and Hatch Closure
Rendezvous Tool checkout


Flight Day 12
Discovery undocking from ISS and
flyaround
Final separation from the ISS
OBSS late inspection of Discovery’s thermal
heat shield
OBSS berth


Flight Day 13
Cabin stowage
Flight Control System checkout
Reaction Control System hot-fire test
Deorbit Preparation Briefing
Ku-band antenna stowage


Flight Day 14
Deorbit preparations
Payload Bay Door closing
Deorbit burn
KSC Landing

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