Operations Report – April 9th

Crew 314 Operations Report 09Apr2025

SOL: 3

Name of person filing report: Antoine Dubois (Crew Engineer)

Non-nominal systems :

Toilet was initially repaired at 11:50 a.m.

The water pipe disconnected again at 1:00 p.m.

Water supply was reconnected to the toilet at 4:30 p.m., and it seems to be holding.

Handbrake problem with the “Perseverance” rover.

Spacesuit #11 : A small part of the frigolite on space suit #11 was slightly damaged but has been repaired.

The suspected contact failure with headset #2 has been confirmed, 08Apr2025 around 9:30 p.m.

The CO detector in the science dome is not working.

Notes on non-nominal systems :

Toilet : All systems are functioning normally at this time.

After returning from the EVA on 09 Apr 2025, we noticed that the handbrake on rover “Perseverance” may no longer be holding properly.

Spacesuit #11 : During our EVA this morning, we noticed that a small piece of frigolite was damaged, but it was repaired when we arrived.

The headset with the contact defect has been replaced by a new one.

ROVERS

Spirit rover used: /

Hours: :/

Beginning charge: /

Ending charge: /

Currently charging: /

Opportunity rover used: EVA#5

Hours: 214.4 (0.8 used)

Beginning charge: 100%

Ending charge: 40 %

Currently charging: no

Curiosity rover used: /

Hours: /

Beginning charge: /

Ending charge: /

Currently charging: /

Perseverance rover used: EVA #4

Hours: 318.1 H (0.8 used)

Beginning charge: 100%

Ending charge: 67%

Currently charging: no

General notes on rovers : Perserverance’s handbrake may no longer be holding properly. It was noticed at the end of the EVA, when coming back to the MDRS.

Summary of Hab operations: Today in the Habitat, we focused on cooking, socializing, completing our individual reports, and working on our respective experiments. Additionally, we carried out the second medical simulation as planned by Odile’s experiment (on the lower deck). Finally, we held our usual team meeting to discuss progress and upcoming tasks.

Water Use (please use both methods to estimate water usage)

Time of measurements (collect data for the same time window): 7:00 p.m. (Collection time has been brought forward by one hour for greater convenience)
1) Per formula (see notes): 27.58 gallons
2) Smart Home Dashboard (see notes): 29.01 gallons

Water (static tank, remaining gallons): 390.55 gallons (per formula) & 407.96 gallons (Smart Home Dashboard)

Static tank pipe heater (on or off): on

Static tank heater (on or off) : on

Toilet tank emptied (no or yes): yes

Summary of internet: used for music playing, mails, research for experiments, learning languages.

Summary of suits and radios:

Suits:

EVA# 5: 7, 8, 9, 10

Radio:

EVA # 5: 2,3,4, 7

Summary of GreenHab operations:

I watered all the plants with water. I took 30 garden labels for the experiment with pots and plants inoculated with arbuscular fungi.

The door of the GreenHab was left open for 3 hours 45 minutes (2.30 pm to 6.15 pm) to reduce the temperature inside (maximum of 97.5 °F)

WATER USE: 10.5 gallons

Heater (On or Off): Heater on (setup temperature = 72°F)

Supplemental light (hours of operation): 7-10 pm

Harvest (name, weight in grams): 3 g of basilic

Summary of ScienceDome operations: put notes here:

Inoculation of Bacillus Thuringiensis on petri dish with soil or not and exposure to UV-C lamps

Inoculation of Esherichia Coli in 96 well plate and exposure to UV-C lamps

Preparation of material (pots with soil) to start the experiment of plant association with arbuscular fungi (after exposure to different stresses)

Check UV lamp operation and RPM (machine simulating the gravity)

Dual split (Heat or AC, On or Off): OFF

Summary of RAM operations: (Tools used, work done) put notes here

Crew Engineer took 2 colsons and a blue ribbon, at 8:50 a.m., to repair the equipment in the field if necessary, but nothing was broken. Everything has been put back in its place.

Crew Engineer and Executive Officer took an adjustable wrench, at 11:50 a.m., to fix the water leak in the toilet. Tools have been returned to their rightful place.

Executive Officer took a screwdriver, at 12:10 a.m., to fix the bike handlebars. Tools have been returned to their rightful place. It wasn’t properly attached to the exercise bike’s frame.

Crew Engineer and Executive Officer took an adjustable wrench, at 04:30 p.m., to reconnect the water supply to the toilet and it seems to be holding. Tools have been returned to their rightful place.

Summary of any observatory issues: no activities for the observatory

Summary of health and safety issues : Everyone was in good health today, with no issues reported. There were no safety concerns to note.

Questions, concerns and requests to Mission Support : put notes here

Crew requested the printing of labels crucial for one of their experiments

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