What was found
WHILE IN HEAVY CHECK - UPON REMOVAL OF SHEAR CLIP AT FRAME 75 BETWEEN STRINGER 28R AND 29R NOTED CORROSION ON FRAME. REMOVED AND REPLACED FRAME 75 BETWEEN STGR 21L-22R. REF EMB SRM 51-40-08.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
WHILE IN HEAVY CHECK - UPON REMOVAL OF SHEAR CLIP AT FRAME 75 BETWEEN STRINGER 28R AND 29R NOTED CORROSION ON FRAME. REMOVED AND REPLACED FRAME 75 BETWEEN STGR 21L-22R. REF EMB SRM 51-40-08.