What was found
BULGING SKIN/DISHED FASTENER AT BS 1176 THRU BS 1183, STRINGER 20L THRU 21L UNDER AFT LAV SERVICE VALVE. ACCOMPLISHED FUSELAGE SKIN REPAIR FROM BS 1176 TO BS 1183 STRINGER 20L TO STRINGER 21L DUE TO CORROSION. (MATERIAL USED 2024-T3. 071, 28 INCHES X 30 INCHES.)