Actions for Independent Orbiter Assessment (IOA) : Assessment of the orbital maneuvering system FMEA

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Independent Orbiter Assessment (IOA) : Assessment of the orbital maneuvering system FMEA/CIL, volume 1.

Author
Prust, Chet D.
Published
Feb 26, 1988.
Physical Description
1 electronic document
Additional Creators
Marino, A. J. and Haufler, W. A.
Online Version

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Unclassified, Unlimited, Publicly available.
Free-to-read Unrestricted online access
Summary
The results of the Independent Orbiter Assessment (IOA) of the Failure Modes and Effects Analysis (FMEA) and Critical Items List (CIL) are presented. The IOA effort first completed an analysis of the Orbital Maneuvering System (OMS) hardware and Electrical Power Distribution and Control (EPD and C), generating draft failure modes and potential critical items. To preserve independence, this analysis was accomplished without reliance upon the results contained within the NASA FMEA/CIL documentation. The IOA results were then compared to the proposed Post 51-L NASA FMEA/CIL baseline. This report documents the results of that comparison for the Orbiter OMS hardware. The IOA analysis defined the OMS as being comprised of the following subsystems: helium pressurization, propellant storage and distribution, Orbital Maneuvering Engine, and EPD and C. The IOA product for the OMS analysis consisted of 284 hardware and 667 EPD and C failure mode worksheets that resulted in 160 hardware and 216 EPD and C potential critical items (PCIs) being identified. A comparison was made of the IOA product to the NASA FMEA/CIL baseline which consisted of 101 hardware and 142 EPD and C CIL items.
Other Subject(s)
Collection
NASA Technical Reports Server (NTRS) Collection.
Note
Document ID: 19900002471.
Accession ID: 90N11787.
REPT-1.0-WP-VA88003-30-VOL-1.
NASA-CR-185544-VOL-1.
NAS 1.26:185544-VOL-1.
Terms of Use and Reproduction
No Copyright.
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