ACE Weekly Report:  07-04-01

All ACE spacecraft subsystems are performing nominally.  An attitude
maneuver was successfully performed on 06-28-01.  The next attitude
maneuver is scheduled for 07-10-01.

Several OCRs were executed as part of continuing diagnostic efforts
to fix the ULEIS shutter motion problem.  OCR ULEIS-057 part one was
executed on 06-28-01 (DOY 179);  it was completed on 06-29-01.  OCR
ULEIS-058 was also executed on 06-29-01 and OCR ULEIS-059 on 07-02-01
and 07-03-01.

The SEPICA Instrument team continued their ramp up of the 30kv power
supply.  OCRs SEPICA-091 and SEPICA-087 were executed on 06-29-01.
The 30kV set point was increased from 2.6 to 3.4kV.

Anomalies
7/01  (AR# G01-0050 DR# G100041 DSN Station 27 Goldstone)
D27 experienced a commercial power outage during ACE support.
Telemetry dropout from 14:15:30-14:38:10.  All affected SSR slices
were recovered prior to the scheduled EOT.

================================================
Jacqueline Maldonado Snell
Honeywell Technology Solutions Incorporated (HTSI)
Goddard Space Flight Center
Bldg. 3 Rm N135C, Code 428.2
Greenbelt, MD 20771
Phone: (301) 286-7072
Fax:   (301) 286-0218
E-mail:   Jacqueline.Snell.1@gsfc.nasa.gov