PROCURE MATERIALS AND COMPONENTS, PRODU AND ASSEMBLE AN OPERATIONAL MOTOR IN

¶ACCORDANCE WITH THE DESIGN.

.. LOAD, TRANSPORT, UNLOAD AND STORE MOTOR SEGMENTS.

¶0 STACK I NG ASSEMBLE MOTOR SEGMENTS IN PREPARATION .

¶FOR FLIGHT.

¶F ' i

MOTORS, SEPARATE AN0 RECOVER SPENT MOTOf NASA

¶SPECIFICATIONS.

¶V-4

¶Because of the difficulty the reader may find in understanding the NASA Flight Readiness Review for the Solid Rocket Booster for Flight 51-L and the terms used to describe the steps in the process, the following chart describes the level of review, office conducting the review, and the scope of the review. In addition to the following meeting chart, there were numerous other ad hoc meetings on the SRMs including the meeting between NASA and Thiokol personnel during the evening before the launch of Flight 51-L. [STS-5111

¶Level and date Reviewing office %ope of review

¶IV-Dee. 11, 1985 .................. Thiokol Wasatch....................... Conducted by Thiokol Solid Rocket Motor program managers in

preparation for presentations to Marshall Space Flight Center (MSFC) .

¶Ill-Dec. 17, 1985 .................. SRM Office ............................... Conducted by Larry Wear, Manager of the Solid Rocket Motor

¶Program Office, MSFC. Material presented by Thiokol personnel. Ill-Jan. 3, 1986..................... SRB Project Office .................. Conducted by Larry Mulloy, Manager of the Solid Rocket Booster

Project Office. This is a combined briefing on the SRM and the elements making up the booster assembly, which, when integrated make up the Shuttle Solid Rocket Bwsters. Shuttle Projects........................ Conducted by Stanley Reinartz, Manager, Space Shuttle Projects Office, MSFC. This review discusses all elements of the Shuttle managed by Marshall.

¶Ill-Jan. 13, 1986................... Center Board ............................ Conducted by Dr. William Lucas, MSFC Director. Final discussion

of Marshall hardware in preparation for review by the Space Transportation System Program Manager.

¶Il-Jan. 14, 1986.................... STS Program ............................ Conducted by Arnold Aldrich, Space Transportation System Pro-

gram Manager. First review dealing with the flight vehicle and associated ground support in its entirety.

¶I-Jan 15, 1986...................... Space Flight ............................. Conducted by Jesse Moore, Associated Administrator for Space

Flight. Remaining items that impact launch are discussed and assigned for disposition. Certificate of Flight Readiness is signed.

¶I-Jan. 25, 1986..................... 1-1 Review .............................. Meeting of the Mission Management Team to receive reports on

action items remaining from the Flight Readiness Review. All action items should be closed by this time.

¶Considerable reference will be made to the "joint design" throughout this section of the report. Consequently, the following description of the joint is provided. (See Figures V-5 thru V-7.)

OPELLANT INSULAT -< TPPER STEEL ASING STEEL

¶'INS

¶V-5

A, JOINT I M MORYAL ALIGNMENT (NO GAPS BETYEEN O-RINGS AND TAME) TANG P PRESSURE POINT LOCKING

¶/ PIN CLEV I s

B . JO I NT POTATED (OUT OF ALIGNFENTI -\7 PROPELLPNT PRESSUPE

l- TY V-7