AD/LEARJET/28 - Automatic Flight Control Systems - Inspection and Modification
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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
View image in the official source Gates Learjet 24 & 25 Series Aeroplanes
AD/LEARJET/28 Automatic Flight Control Systems - Inspection and Modification
Applicability: All models 25, 25A with S/Nos. 25-003 thru 25-066 except 25-061.
All models 25B, 25C with S/Nos. 25-061, 25-067 thru 25-205.
4/83
Requirement: 1. Modify the flight control systems in accordance with the following modification kits:
MODEL MODIFICATION KITS
25B and 25C AMK 81-9, *AMK 81-8 and AMK 80-13 Change 3.
25 and 25A AMK 81-10 Change 1, *AMK 81-8 and AMK 80-13 Change 3.
- Kit AMK 81-8 does not apply unless Kit AAK 76-4 has been installed.
- Inspect the stall warning accelerometer in accordance with Gates Learjet Service Bulletin 23, 24, 25-301B.
Note. FAA AD 82-01-04 Amendment 39-4296 refers.
Compliance: On or before 30 April 1984.
Background: This action is necessary to reduce the hazard created by a possible malfunction which if not detected could result in a hazardous flight attitude.