AD 62-08-05

62-08-05 BOEING: Amdt. 422 Part 507 Federal Register April 17, 1962. Applies to All 707 and 720 Series Aircraft.

As a result of a recent incident involving loss of the electrical system and accumulation of dense smoke in the cockpit and cabin, the following is required:

(a) Unless already accomplished in accordance with recommendations contained in the telegram dated March 23, 1962, issued by Boeing Aircraft Company, within the next 25 hours' time in service, inspect electrical components and wiring within the J6 electrical panel to determine that:

(1) Lugs and braided leads are tightly secured to the contractor studs;

(2) Braid jumpers are adequately separated from adjacent jumpers to prevent contact;

(3) There is no evidence of overheating in wiring and braided leads; and

(4) There is no evidence of capacitor leaks, swelling or overheating.

(b) If any of the foregoing items require corrective action, repair in accordance with acceptable maintenance practices.

This directive effective upon publication in the Federal Register for all persons except those to whom it was made effective immediately by telegram dated March 30, 1962.