What was found
DURING C CHECK INSPECTION FOUND FAR LEFT SILL IN LAV CORRODED THROUGH @ AFT NUTPLATE. MAINTNENACE REPLACED LEFT SILL. FRAME 59-60.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING C CHECK INSPECTION FOUND FAR LEFT SILL IN LAV CORRODED THROUGH @ AFT NUTPLATE. MAINTNENACE REPLACED LEFT SILL. FRAME 59-60.