What was found
SBP - DURING MBV, FOUND CORROSION ON STIFFENER AND NUTPLATE AT AIRSTAIR LOCK. REMOVED AND REPLACED STIFFENER IAW SRM 51-40-21. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
SBP - DURING MBV, FOUND CORROSION ON STIFFENER AND NUTPLATE AT AIRSTAIR LOCK. REMOVED AND REPLACED STIFFENER IAW SRM 51-40-21. (M)