What was found
DURING HEAVY CHECK MAINTENANCE FOUND AFT CARGO AT FR87 SHEAR CLIP CORRODED BETWEEN STRG. 29L AND 29R. REMOVED AND REPLACED 2EA SHEAR CLIPS AT FR87 STRG. 29L-29R (AFT CARGO). REF EMB SRM 51-40-08, 51-23-06, CPM 51-25-00. A/C REMAINS IN CHECK.