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Service Bulletin SB-S-550-57
NameRevisionLangSubjectDate
enWINGS - RIGHT WING ACCESS PANEL INSTALLATION08/19/1986
1enWINGS - VORTEX GENERATOR REMOVAL05/09/1986
2enWINGS - FLAP ACTUATOR UPPER BELLCRANK BRACKET REPLACEMENT12/07/1990
1enWINGS - FLAP PROTECTOR INSTALLATION03/15/1991
enWINGS - FLAPS VENT HOLES INSTALLATION02/16/1996
enMandatory WINGS - FLAP LEADING EDGE SPLICE INSTALLATION05/02/1988
enMandatory WINGS - FLAP INSPECTION AND DRAIN HOLE INSTALLATION05/24/1988
1enWINGS - STUB WING DOUBLER INSTALLATION04/06/1989