Kit Id: SL 389

Adjustable Nacelle Bulkhead Installation

The adjustable bulkhead in this service letter provides solutions to accommodate aircraft manufacturing tolerances and any of the dimensional changes of the aircraft due to service life and is intended to make the installation of the nacelle bulkheads more user friendly. The adjustable bulkhead in this service letter is a spares replacement to all nacelle bulkheads of aircraft listed in the effectivity section below. The adjustable bulkhead in this Service Letter is an alternate to the 260025-9, -155 ,260091-21, and -129 existing nacelle bulkheads. The existing access door is retained and is reinstalled on the new bulkhead assembly.

Issue Date

August 24, 2026

Effectivity

  • 680T
  • 680W
  • 680V
  • 681
  • 690
  • 690A
  • 690B
  • 690C
  • 690D
  • 695
  • 695A
  • 695B
ID: CK 208
3PT Shoulder Harness Instl-Pax Cabin
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