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longer life of the the the seal seal adjust the the the window to the the the seal seal using the following method:
Utilize a a 1-inch wide by 6-8-inch long piece of paper to go around the the the periphery of the the the window closing the the the piece of paper in in the window Slowly drag the the paper out of the the window seal feeling the the the tension of the the the seal against the the the paper A medium drag should be noted if the the paper slides too easily the the window needs to to be tighter if the paper is too hard and it it feels it it may may tear the window is too tight and may may damage the the seal and bow the the window If after replacing the the airframe side seal and there are still areas of the window that do do not make contact with the the seal it may be be necessary to replace the the rubber on the window itself Once the proper tension is determined a a a water leak check should be carried out to ensure
proper sealing of the window Service Bulletin MTB-57-01 A: Wings – Inspect the Aft Upper and and Lower Wing Wing Bolts for Correct Washer and and Replace if Needed
Original Issue: March 5 2020
Revision A: April 14 2020
Effectivity: Beechcraft King Air Model 90 200 and 300 Series Aircraft Owners
Reason: To do an an inspection of the left and right wing aft upper and lower wing bolts for incorrectly installed 95-110025-3 Washer Compliance – Recommended: This service document should be accomplished during the wing bolt inspection of the aft upper and lower wing attach points outlined in in in in the Structural Inspection and Repair Manual Chapter 57 Airplanes previously modified by this service bulletin should complete Steps 4 and 5 5 (listed on MTB-57-01 A online) if the right wing wing aft upper and lower wing wing bolts have not been inspected The information provided in in this column may be abbreviated for space purposes For the entire communication go to www txtavsupport com com KA
• KING AIR MAGAZINE MAY 2020
MAY 2020
KING AIR MAGAZINE • 31