Service Bulletin SB-550-57
NameRevisionLangSubjectDate
enMandatory AILERON FENCE REPLACEMENT07/06/1980
1enWINGS - STUB WING TRAILING EDGE RIVET INSPECTION/INSTALLATION11/09/1990
enIMPROVEMENTS WINGS - WHEEL WELL STRUCTURE10/14/1999
enMandatory WING FUEL BAFFLE PLATE INSPECTION/ INSTALLATION03/05/1979
enMandatory WINGS - LEFT LOWER MAIN SPAR GUSSET REPLACEMENT03/09/1984
1enMandatory WINGS - WING RIVET INSPECTION08/20/2004