*Vacuum from previous test still active, minus turbo pumps. Same target, & heat shield as well.*

Wednesday, February 15, 2017, 13:38: Both Turbo pumps started.

Wednesday, February 15, 2017, 13:43: Ion gauge on. TP1B @ speed 42 KRPM.

Wednesday, February 15, 2017, 13:51: RGA on. Vacuum @4.79E-05T.

Monitor water & vacuum with the RGA.

Thursday, February 16, 2017, 09:05: Main water supply & return shut off to the test stand. Purged. Vacuum @ 7.13E-07T.

Thursday, February 16, 2017, 09:16: Vacuum @ 3.59E-07T. Confirms water leak

Thursday, February 16, 2017, 09:17: RGA stopped.

Thursday, February 16, 2017, 09:20: RGA restarted.

Thursday, February 16, 2017, 09:30: Open main supply & return water supply. Individual valves are closed.

Thursday, February 16, 2017, 09:35: Open supply and return to FS #2. Vacuum @ 3.24E-07T. No response on RGA

Thursday, February 16, 2017, 09:40: Open supply and return to FS #3. Vacuum @ 6.76E-07T. Response on RGA. (Leak detected)

Thursday, February 16, 2017, 09:42: Close main Supply & Return. Purge & close FS #2 & FS #3 . Allow vacuum to stabilize.

Thursday, February 16, 2017, 09:50: Open main supply & return water supply. Open supply and return to FS #3. Vacuum @ 6.76E-07T. Response on RGA. (Leak confirmed)

Thursday, February 16, 2017, 09:53: Close main Supply & Return. Purge & close FS #3 . Allow vacuum to stabilize.

Thursday, February 16, 2017, 09:55: Open main supply & return. All valves are closed. Vacuum @ 3.51E-07T

Thursday, February 16, 2017, 10:00: Open supply and return to FS #4. Vacuum @3.26E-07T. No response on RGA.

Water leak confirmed in FS #3

Thursday, February 16, 2017, 10:05: Close main Supply & Return. Purge & close FS #4 . Allow vacuum to stabilize.

Thursday, February 16, 2017, 10:37: RGA off.

Thursday, February 16, 2017, 10:38: Ion gauge. Turbos off

Thursday, February 16, 2017, 11:58: Venting

Friday, February 17, 2017, 14:10: Roughing.

Friday, February 17, 2017, 14:30: Both Turbo pumps started.

Friday, February 17, 2017, 14:36: Ion gauge on.

Friday, February 17, 2017, 14:44: RGA on. Vacuum @ 2.32E-05T. Note* Waterlines FS #3 currently pressurized with 38 PSI Helium.

Monday, February 20, 2017, 08:26: Vacuum @ 2.60E-07T

Leak is apparent on RGA via Helium. He @ 20 PSI

Monday, February 20, 2017, 09:55: He in line brought up to 40 PSI. Monitor on RGA.

Monday, February 20, 2017, 10:00: No response on RGA. Connectivity gaps?. 

Monday, February 20, 2017, 10:05: RGA restarted. 

Monday, February 20, 2017, 10:39: Top cage removed from test stand. Waterlines purged of Helium. Immediate drop in RGA Helium reading.

Monday, February 20, 2017, 11:23: FS #3 (K) re-routed with return from (F). EE (K) pressurized with He @ 20-30 PSI. No significant response on RGA. Purge He

Monday, February 20, 2017, 11:36: FS #3 (K) returned back to (G). Return connected through (E). Pressurized to 20-30 PSI. No significant response on RGA. Purge He

Monday, February 20, 2017, 11:46: FS #3 (K) routed through to (H). (F) return to return. Pressurized to 20-30 PSI. Left pressurized for one hour

Monday, February 20, 2017, 12:51: No response on RGA. He Purged.

Monday, February 20, 2017, 12:55: Re-pressurize all of FS #3 with He @ 30 PSI.

Monday, February 20, 2017, 13:00: Purge Helium. Switch to water.

Monday, February 20, 2017, 13:12: Water supply/return on. No response on RGA.

Monday, February 20, 2017, 13:22: Slow response noted on RGA. Slow climb on water observed.

Monday, February 20, 2017, 13:30: Slight increase from 2.52E-07T to 3.26E-07T noted on Vacuum. Purge water lines. Reconnect/route lines & Test.

Monday, February 20, 2017, 13:40: FS #3 (K) re-routed with return from (F). EE (K). Open waterlines & observe.

Monday, February 20, 2017, 13:57: No response on RGA or Vacuum. Purge water & Re-route lines.

Monday, February 20, 2017, 14:05: FS #3 (K) returned back to (G). Return connected through (E). Open waterlines & observe.

Monday, February 20, 2017, 14:10: The water leak is apparent on (G) & (E) route. Vacuum climbed from 2.80E-07T to 3.33E-07T. RGA shows increase on water.

Monday, February 20, 2017, 14:14: Purge water lines.

Monday, February 20, 2017, 14:21: FS #3 (K) routed through to (H). (F) return to return. Waterlines opened to rule out (F) & (H) route.

Monday, February 20, 2017, 14:30: No response on RGA. Vacuum Stable. Purge water & Re-connect lines back to standard.

Monday, February 20, 2017, 15:22: Intermittent purging. Flow meter paddles pick up speed with air if purged for too long.

Tuesday, February 21, 2017, 08:34: RGA off, Ion gauge off, Turbos off.

Tuesday, February 21, 2017, 09:32: Venting.