2 CLEARANCE MODE OPERATIONAL TEST FOR CARGO SMOKE PROTECTION. SERVICE BULLETIN A SMOKE CLEARANCE MODE - OPERATIONAL TEST (GROUP 1. CONFIGURATION 2. GROUP 2 AND GROUP 3 AIRPLANES) MOS - (s) SB 737-26A1137 TABLE PERFORM FIRE PROTECTION - CARGO BAY SMOKE DETECTION - EQUIPMENT COOLING SYSTEM SMOKE 1.3

N OPEN HOLE HFEC INSPECTION OF THE RIGHT SIDE LOWER FRAME WEB IN ACCORDANCE WITH PARAGRAPH 3.8.. WORK INSTRUCTIONS. PART 2. STEP 2 (ALL AIRPLANES) (GROUP 2) MOS AFL SB 737-53A1325 TABLE DETAILED INSPECTION FUSELAGE - FRAMES AND BULKHEADS - BODY STATION (STA) 727 BULKHEAD LOWER FRAME 2.02 WEB AND I