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Service Bulletin SB-S-550-36
NameRevisionLangSubjectDate
enPNEUMATIC - DOOR SEAL PLUMBING INSPECTION AND MODIFICATION06/03/1991
1enPNEUMATIC - ENGINE BLEED AIR CONNECTOR IMPROVEMENT01/24/1997
enPNEUMATIC - DOOR SEAL VALVE REPLACEMENT11/03/2004
2enMandatory PNEUMATIC - BLEED AIR CHECK VALVE INSPECTION/REPLACEMENT03/12/1987