Beech 90 Series

TTP   ATA 52 Beech 90 Series B1-L3 Doors B2-L1 B2-L1 Introduction to Zone & Station identification B2-L1 CABIN ENT R Y DOOR The cabin ent r y airstair door is on the left side of the fuselage, just aft of the wing. A s wing-d o wn doo r , hinged at the bottom, provides cabin pressurization and security for flight and a co n v enient stair w a y for ent r y and e xit. T w o of the three steps are m o v a b le and automatical l y fold flat a g ainst the door in the closed position. T w o plastic-encased  ca b les, one at the for w ard edge and one at the aft edge of the doo r , pr o vide suppo r t for the door in the open position, a hand- hold for passengers, and a means of closing the door from inside the aircraft. Original l y on l y the aft ca b le w as installed. Later the for w ard ca b le w as optional, b ut cu r rent production aircraft h a v e both ca b les installed. The aft ca b le can be tempora...

  TTP B1-L1 ATA20 Beech 90 Series B2-L1 Standard Practices Airframe TORQUE APPLIC A TION   •   Nut and Bolt T ightening Info r mation and Standard T o r que V alues •   Installation of Locknuts •   T o r que Wrenches and Adapters   ELECTROS TA TIC DISCHARGE SENSITIVITY   •   Electrostatic Discha r ge Sensit i vity  Classification ELECTROS T A TIC DISCHARGE SENSITIVITY— MAINTENANCE PRACTICES   •   Rem o v al/Installation of ESDS Equipment •   Handling    of    ESDS    Components    and  Equipment   •   Controlling Static Cha r ge Buildup •   P e r manent Static Control W orkstation   •   Humidity and Dust Effects on ESDS Components and Equipment •   P ackaging    of    ESDS    Components...