87-18-04 LOCKHEED-GEORGIA: Amendment 39-5723. Applies to Model 382, 382B, 382E, 382F, and 382G series airplanes; Serial Numbers 3946 through 5024, except 4412, 5022, 5025, 5027, 5029, and 5032; certificated in any category. Compliance required as indicated, unless previously accomplished.
To prevent the potential for smoke or fire occurring in the flight deck, accomplish the following:
A. Within the next 25 hours time-in-service, inspect the 6 pilot's and copilot's circuit breaker panel areas, as follows:
1. Gain access to the following 6 circuit breaker panels in the flight station: pilot's side panel, upper and lower pilot's distribution panel, copilot's side panel, upper and lower copilot's distribution panel.
2. Open each circuit breaker panel and visually inspect for scorching, chafing, or short circuiting between circuit breaker wire terminals, wire bundles, and wire bundle clamps.
3. Inspect for minimum clearance of 0.250 inch between circuit breaker wire terminals, wire bundles, and wire bundle clamps.
4. With circuit breaker door closed, visually inspecting from adjacent door opening, inspect circuit breaker and attached wiring for chafing and minimum clearance. Direct particular attention to wire bundles routed at bottom of panels.
5. If 0.250 inch minimum clearance is present and no wire chafing or damage exists, return airplane to service.
6. If damaged wire is found, prior to further flight repair or replace wire in accordance with the applicable technical manual, SMP 582, Hercules Wiring Diagram Manual.
7. If 0.250 inch clearance does not exist, prior to further flight relocate wire bundle clamps and/or spaces, if necessary, to maintain minimum clearance. Reroute wiring in accordance with the applicable technical manual, SMP 582, Hercules Wiring Diagram Manual.
B. Accomplishment of the inspection, repair, and relocation procedures described in Lockheed Alert Service Bulletin A382-24-19, dated August 7, 1987, constitutes compliance with the requirements of paragraph A. above.
C. Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base in order to comply with the requirements of this AD.
D. An alternate means of compliance or adjustment of the compliance time, which provides an acceptable level of safety, may be used when approved by the Manager, Atlanta Aircraft Certification Office, FAA, Central Region.
All persons affected by this directive who have not already received the appropriate service information from the manufacturer may obtain copies upon request to Lockheed-Georgia Company, 86 South Cobb Drive, Marietta, Georgia 30063. This information may be examined at FAA, Northwest Mountain Region, 17900 Pacific Highway South, Seattle, Washington, or FAA, Central Region, Atlanta Aircraft Certification Office, Suite 210, 1669 Phoenix Parkway, Atlanta, Georgia.
This amendment becomes effective September 17, 1987.