NASA Releases Artemis 1 In Flight Anomalies Breakdown

NASA has released the full list of In Flight Anomalies (IFAs) from the Artemis 1 mission to TLP Network via a Freedom Of Information Act (FOIA) request.

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Zac Aubert

Zac Aubert

Published: 13th Sep 2023 17:35 GMT
Written by: Zac Aubert

 
 
NASA has released the full list of In Flight Anomalies (IFAs) from the Artemis 1 mission to TLP Network via a Freedom Of Information Act (FOIA) request.
 

Exploration Ground Systems (EGS):

- ECS ICPS/AFT Purge System Anomaly
- Artemis I Post Launch Debris Seen In Imagery
- Artemis I Post Launch ML/Pad Damage
- Post Launch FOD Items from ML/Pad Walkdowns
- Temporary ICPS/FWD and ICPS/AFT Purge Pressure Excursions
- Incorrect Exposure Settings on 32 of 33 high speed film cameras
- High H2 Concentrations in LH2 TSMU Post Launch
- High speed digital 30-P1 camera stopped functioning pre-launch
- High speed digital 30-P3 camera had interlacing/ghosting and incorrect timing
 

Flight Operations Directorate (FOD):

- Extended Loss of Orion Data During Change from Uncoded to Coded Telemetry
- Loss of Goldstone Support GMT 338 (December 4th)
- ICMP Ping Intermittent Drop Outs
- Loss of Orion Forward Link Following Handover to PDL
- TDRS 275 Unable to Lock to Orion DG1M3 Coherent Telemetry
 

Orion Spacecraft:

SM = Service Module
OSA = Orion Stage Adapter
SAJ = Spacecraft Adapter Jettisoned
FDIR = Fault Detection, Isolation, and Recovery
RCS = Reaction Control System
TPS = Thermal Protection System
 
- SM/OSA SAJ fairing hinge plate delamination
- SM Propulsion pressure regulation unit anomaly
- SAJ Panel #1 missing RTV and possible loose RTV
- SM Helium latch valve position driver anomaly
- NAV Channel 1 Unexpected Velocity Step Function
- CAR Software Sending IG Rate Commands After Brake Engage Command
- SM Prop Helium Valve Position Indicator Issues
- C2b Battery Temperature Sensor Out of Family
- SM PDE1B in Standby Mode after PCDU1B event (undetected by Prop FDIR)
- Aux Leak Detection
- SM RCS Thruster Pulsing
 

SLS Rocket

CS = Core Stage
 
- Unexpected Cryogenic Level Sensor System (CLSS) Loss of Comm Caution
- Flight Termination System (FTS) Shelf 1A/1B Vibration
- Flight Termination System (FTS) Shelf 4 Vibration
- Intertank Skin Vibration
- FTS System Tunnel Vibration
- Unexpected Debris Liberated from Booster Throat Plug
- CS-HazGas-004 CS LH2 Umbilical Carrier Plate Cavity Concentration Anomaly
 

Debris: 

- Core Stage Engine Blanket Outer Layer
- CS LH2/IT Flange Closeout TPS
- CS Pressurization Line Bracket Closeout TPS
- CS Feedline Bracket Closeout TPS
 - CS Sensor Island Closeout TPS
 
Thank you to NASA for working with us to release this detailed breakdown of the anomalies that occured during the Artemis 1 mission.
 
Let us know what you think about all these anomalies on X! 
 

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