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AD/EMB-145/4 - Engine Thrust Reverser Stow/Transit Switches
Embraer EMB-135 and EMB-145 Series AeropEmbraer EMB-135 and EMB-145 Series Aeroplanes
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Embraer EMB-135 and EMB-145 Series Aeroplanes
| AD/EMB-145/4 | Engine Thrust Reverser Stow/Transit Switches | 8/2008 DM |
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| Applicability: | All EMB-145( ) model aircraft. |
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| Requirement: | 1. Unless previously accomplished, inspect the thrust reversers stow/transit switches on both engine for internal corrosion in accordance with detailed instructions and procedures described in either Embraer Service Bulletin (SB) 145-78-0029, original issue, or SB 145LEG-78-005, original issue, or later revisions approved by the Brazilian Departamento de Aviação Civil (DAC) - Centro Técnico Aeroespacial (CTA) or Agência Nacional de Aviação Civil (ANAC). |
| 2. Continue the Requirement 1 inspections. | |
| The installation, on both engines of an aircraft, of transit switches part number (P/N) 83-990-168, according to either Embraer SB 145-78-0035, original issue, or SB 145LEG-78-0006, original issue, or further revisions approved by the CTA or ANAC, constitutes a terminal action to the repetitive inspections for the transit switches for that aircraft. Additionally, switches P/N 83-990-168, when installed at the stow positions; do not require the repetitive inspections required by this AD. | |
| Note 1: The “145LEG” series of Embraer Service Bulletins only applies to Legacy executive jets. | |
| Note 2: DAC AD 2001-05-03R3 refers. | |
| Compliance: | For Requirement 1 - |
| a. For aircraft which have logged more than 1,600 hours total time in service (TIS) on 8 June 2001 (the effective date of the original issue DAC AD2001-05-03) - Within the next 400 hours TIS after that date. | |
| b. For aircraft which have logged 1,600 hours total TIS or below on 8 June 2001 - Before reaching 2,000 hours total TIS after that date. | |
| For Requirement 2 - Within 1,200 hours TIS after the last inspection and thereafter within every 1,200 hours TIS, until all transit switches on both engines are replaced with a P/N 83-990-168 switch. | |
| This Airworthiness Directive becomes effective on 23 June 2008. |