Viewing page 4 of 130

This transcription has been completed. Contact us with corrections.

[[circled]]3[[/circled]][[green ✓ superimposed on number]] a/t B spike [[green text]]ok[[/green text]]
[[double underlined]]CITE[[/double underlined]]: 10 msec sample rate- saw 80A surge, 12A nominal 20 sec later
flt sys has 138 A surge (<~ 2 msec above 80A)
2 DC/DC converters
[ALC 2- 80A fuse] ← find fuse rating [[green text]]long fuse[[/green text]]

[[circled]]4[[/circled]] [[green ✓ superimposed on number]]timers
| [[circled]]1[[/circled]] |[[circled]] 2[[/circled]] |
| --- | --- |
| XMTR Bus (prearm) |  |
| PROP Bus | PROP BUS |
[[green text]]open umbilical :[[/green text]] T + 20:15 timer #2 20:40 timer #1
timer 2 times out and sends chain of pulse (for ~ 23 sec)
[[green text]]✓[[/green text]]note in malf procedures ?[[green text]]?[[/green text]]
·no change to nominal procedures (we [[underline]]don't[[/underline]]
cycle sw → SHTDN → NORMAL after timer time out)

[[circled]]5[[/circled]] [[green ✓ superimposed on number]] [[green text]]CMD[[/green text]] problems [[circled]]1[[/circled]] CMD [[circled]]2[[/circled]] PRMMU [[green text]]CITE[[/green text]]
- PSP rejects / GPC rejects no prob to POCC
- (cmds 2 of 4) (lots of these structured) → "keep retrying?"..
cmds > 8 : none get through - 

[[green text]][[circled]]6[[/circled]] 6' fwd 4' up

[[circled]]7[[/circled]] [[Gary?]]: OMS burn w/ RMS attached?[[/green text]]