What was found
IN MAINTENANCE, FOUND CRACKED SUPPORT BEAM, RT MAIN LANDING GEAR SUPPORT BEAM, OUTBOARD ATTACH FITTING, CRACKED UPPER SIDE, MID-FASTENER HOLE. REMOVED 4 EACH FASTENERS PER SRM 51-31-2. HFEC INSPECTION 4 EACH FASTENER HOLES. NO CRACKS NOTED ON REAR SPAR. REINSTALLED NEW FASTENERS PER SRM 51-30-2 AND ER 3-57-43-27. APPLIED SEALANT TO HEAD OF FASTENERS PER SRM 51-20-4. ALL WORK PERFORMED PER SB 737-57-1216 AND ER 3-57-43-27. FITTING OK FOR SERVICE. REPLACEMENT REQUIRED BEFORE ADDITIONAL 12,000 CYCLES.