What was found
CLIMBING OUT OF DEPARTURE AT 9000 FT, INTERMITTENT GEAR DISAGREE WARNING. SHOWED NLG RED. COMPLIED WITH QRH, PROBLEM STOPPED. RETURN TO DEPARTURE WT AT 46400 LBS. C/W M ACTION FOR MEL 32-30-01 NOTE, GEAR PIN FLAGS STOWED IN PILOTS WARDROBE. INTEROGATED PSEU, FOUND S35 SHORT. FRE LB 215918, BLK 3 & 4.