AD 92-03-09

92-03-09 SAAB-SCANIA: Amendment 39-8164. Docket 91-NM-159-AD. Applicability: Model SF-340A and 340B series airplanes, certificated in any category.

Compliance: Required as indicated, unless accomplished previously.

To prevent a fire during the refueling process, accomplish the following:

(a) Within 30 days after the effective date of this AD, disconnect the lighting to the refuel/defuel panel lights as follows:

(1) Remove the refuel/defuel panel assembly, P/N 7239160-502, -503, or -504, as applicable, in accordance with the Airplane Maintenance Manual (AMM) 28-21-05.

(2) With the refuel/defuel panel removed, loosen the four screws securing the lighting panel to the front, and remove the rear cover.

(3) Locate the lighting panel Jack 30 QA under the rear cover, and remove the screw securing the wire QA636-20. Remove the wire from Jack 30 QA, and reinstall the screw.

(4) Cap and stow wire QA636-20, and reassemble the refuel/defuel panel.(5) Placard the lighting panel with "Lights inop."

(6) Reinstall and test the refuel/defuel panel in accordance with AMM 28-21-05.

(b) An alternative method of compliance or adjustment of the compliance time, which provides an acceptable level of safety, may be used when approved by the Manager, Standardization Branch, ANM- 113, FAA, Transport Airplane Directorate.

NOTE: The request should be forwarded through an FAA Principal Maintenance Inspector, who may concur or comment and then send it to the Manager, Standardization Branch, ANM-113.

(c) Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate the airplane to a location where the requirements of this AD can be accomplished.

(d) This amendment (39-8164, AD 92-03-09) becomes effective on March 18, 1992.