NASA-LLIS-0170
Lessons Learned - OPF Payload Bay Bucket Limit Switches.
active, Most Current
| Organization: | NASA |
| Publication Date: | 22 October 1992 |
| Status: | active |
| Page Count: | 2 |
scope:
Description of Driving Event:
Failure of one or more of these component switches 1S8, 2S8, 3S8, or 4S8 in the closed position would cause a short circuit of relay K11, thus not allowing any of the 16 bucket proximity limit switches on both buckets to stop travel. This can result in damage to flight hardware (payload and/or vehicle) due to buckets hitting hardware.
Document History
NASA-LLIS-0170
October 22, 1992
Lessons Learned - OPF Payload Bay Bucket Limit Switches.
Description of Driving Event:
Failure of one or more of these component switches 1S8, 2S8, 3S8, or 4S8 in the closed position would cause a short circuit of relay K11, thus not allowing any of the...
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