82-01-05 R2 GATES LEARJET: Amendment 39-4297 as amended by Amendment 39-4746 is further amended by Amendment 39-5245. Applies to the following models and serial number airplanes certificated in any category.
MODEL
SERIAL NUMBER
23
23-003 through 23-099
24, 24A
24A-011, 24A-012, 24-015, 24-019, 24-031, 24-043, 24-050, 24-051, 24-055,24-060, 24-065, 24-087, 24-096, and 24-100 through 24-180
24B, 24B-A
24-181 through 24-217, 24-219 through 24-229
24C, 24D, 24D-A
24-218, 24-230 through 24-328
24E, 24F, 24F-A
24-329 through 24-357
25D, 25F
25-206 through 25-336, 25-338 and on
28
28-001 and on
29
29-001 and on
35, 35A
35-001 through 35-505
36, 36A
36-001 through 36-053
COMPLIANCE: Required as indicated.
A. To assure proper operation of the Stall Warning Accelerometer Unit, unless previously inspected in the last 200 hours time-in-service before the effective date of this AD, within the next 50 hours time-in-service, and at intervals not to exceed 220 hours time-in-service thereafter, perform the inspection of the Stall Warning Accelerometer in accordance with Gates Learjet Service Bulletins (SB) 23/24/25-301B, SB 28/29-27-3B, or SB 35/36-27-12B, as appropriate. Models 35 and 36 series airplanes incorporating Gates Learjet Airplane Accessory Kit 83-2 are exempt from the requirements of this AD.
B. Airplanes may be flown in accordance with FAR 21.197 to a location where modifications required by this AD can be accomplished.
C. Alternate means of compliance which provide an acceptable level of safety may be used when approved by the Manager, Wichita Aircraft Certification Office, FAA, Central Region, 1801 Airport Road, Room 100, Mid-Continent Airport, Wichita, Kansas 67209.
All persons affected by this directive who have not already received the appropriate service documents from the manufacturer may obtain copies upon request to Gates Learjet Corporation, P.O. Box 7707, Wichita, Kansas 67277. These documents may be examined at FAA, Northwest Mountain Region, 17900 Pacific Highway South, Seattle, Washington, or FAA, Central Region, Wichita Aircraft Certification Office, 1801 Airport Road, Room 100, Mid- Continent Airport, Wichita, Kansas.
Amendment 39-4297 became effective on January 8, 1982.
Amendment 39-4746 became effective on October 31, 1983.
This Amendment 39-5245 becomes effective on April 10, 1986.