AD 72-18-01

72-18-01 BEECH: Amdt. 39-1505. Applies to Models 35, A35, B35 and C35 airplanes (Serial Numbers D-1 through D-2900) with a P/N 35-924065 fuel unit modified by the installation of Beech Kit No. 35-5030S (Serial Numbers 100 through 989) or any equivalent installation using a warning light with a dimming feature. (NOTE: Installation of either Beech Kit No. 35-5030S or P/N 35-924230 fuel unit is required by AD 69-18-01.)

To prevent dimming of fuel selector valve disengagement warning light, unless already accomplished, accomplish the following:

A) Effective immediately until Paragraph B has been accomplished, adjust the dimming lens on the fuel selector valve disengagement warning light to maximum bright.

B) Within the next 25 hours' time in service after the effective date of this AD, either replace MS 25041-2 light indicator assembly with MS 25041-6 light indicator assembly or replace the dimming lens assembly of the MS 25041-2 light assembly with the non-dimming lens assembly from an MS 25041-6 light assembly. Any equivalent method of compliance must be submitted to and approved by the Chief, Engineering and Manufacturing Branch, FAA, Central Region.

This amendment becomes effective August 29, 1972.