1. ROTARY SWITCH FAILURE MODE OPERATION TO CLW SPECN. NO. CLW/ ES/ 3/ 0068/ B OR LATEST 2. ROTARY SWITCH BOGIE CUT OUT IN SB- 1 TO CLW SPECN. NO. CLW/ ES/ 3/ 0068/ B OR LAT EST. 3. ROTARY SWITCH CONFIGURATION TO CLW SPECN. NO. CLW/ ES/ 3/ 0068/ B OR LATEST.