AD 67-18-02

67-18-02 BOEING: Amdt. No. 39-424, Part 39, Federal Register May 27, 1967. Applies to Boeing Model 707 and 720 Series airplanes.

Compliance required as indicated.

To prevent fires in the water and electrical galley supply boxes due to water seepage, accomplish the following:

(a) Within the next 300 hours' time in service after the effective date of this AD and thereafter, within periods not to exceed 300 hours' time in service from the last inspection, visually inspect each water and electrical galley supply box for water entrapment at the electrical connectors located therein.

(b) If water is found trapped at an electrical connector, water traps, including but not limited to tubing, clamps, bushings or boots, must be removed or modified in accordance with a method approved by an FAA Air Carrier Maintenance Inspector.

(c) Within the next 3,000 hours' time in service after the effective date of this AD unless already accomplished, modify the water and electrical galley supply box in accordance with the "Accomplishment Instructions" of Boeing Service Bulletin 2428 or FAA-approved revision, or in accordance with a method approved by the Chief, Aircraft Engineering Division, FAA, Western Region.

(d) The inspections required by paragraph (a) may be discontinued when the modification required by paragraph (c) is accomplished.

(e) Upon request of the operator, an FAA Air Carrier Maintenance Inspector, subject to prior approval of the Regional Director, FAA, Western Region, may adjust the repetitive inspection intervals specified in this AD to permit compliance at an established inspection period of the operator if the request contains substantiating data to justify the increase for that operator.

This directive effective June 26, 1967.