Airworthiness Directive
AD 2005-13-36: Learjet Model 23, 24, 24A, 24B, 24B-A, 24C, 24D, 24D-A, 24E, 24F, 24F-A, 25, 25A, 25B…
Airworthiness Directives; Learjet Model 23, 24, 24A, 24B, 24B-A, 24C, 24D, 24D-A, 24E, 24F, 24F-A, 25, 25A, 25B, 25C, 25D, 25F, 28, 29, 31, 31A, 35, 35A (C-21A), and 36 Airplanes
- Effective
- Aug 9, 2005
- Published
- Jul 5, 2005
- Registered aircraft
- 168
Models this AD may apply to
AI-extracted — verify against originalMatched from the AD's applicability section. Applicability must be confirmed by a mechanic against the aircraft's records.
Aircraft
- Learjet 23
- Learjet 24
- Learjet 24A
- Learjet 24B
- Learjet 24D
- Learjet 24F-A
- Learjet 25
- Learjet 25D
- Learjet 31
- Learjet 31A
- Learjet 35
- Learjet 35A
- Serial numbers per Bombardier Alert Service Bulletins A23/24/25-27-17, A28/29-27-24, A31-27-25, A35/36-27-42 (Table 1 of this AD)
Applicability
From the AD text(c) This AD applies to Learjet Model 23, 24, 24A, 24B, 24B-A, 24C, 24D, 24D-A, 24E, 24F, 24F-A, 25, 25A, 25B, 25C, 25D, 25F, 28, 29, 31, 31A, 35, 35A (C-21A), and 36 airplanes; certificated in any category; as identified in the Bombardier alert service bulletins in Table 1 of this AD. Table 1.--Service Bulletins Bombardier alert service bulletin Date Model A23/24/25-27-17 December 23, 2002 23, 24, 24A, 24B, 24B-A, 24C, 24D, 24D-A, 24E, 24F, 24F-A, 25, 25A, 25B, 25C, 25D, and 25F airplanes. A28/29-27-24 December 23, 2002 28 and 29 airplanes. A31-27-25 December 23, 2002 31 and 31A airplanes. A35/36-27-42 December 23, 2002 35, 35A (C-21A), and 36 airplanes. Unsafe Condition (d) This AD was prompted by a report indicating that an aileron cable failed on one affected airplane when the cable underwent a tension check. We are issuing this AD to prevent severe weakening of the aileron cable, and consequent reduced controllability of the airplane.
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