Airworthiness directives › 2005-08-13
AD 2005-08-13 Airworthiness Directives; Glaser-Dirks Flugzeugbau GmbH Model DG-800B Sailplanes
Applicability*9
(c) This AD affects all Model DG-800B sailplanes, all serial numbers, that are: (1) Certificated in any category; and (2) Equipped with a SOLO 2625 engine or a Mid-West AE 50T engine.
Required actions
(e) To address this problem, you must do the following: Actions Compliance Procedures (1) Modify the coolant pump and fuel pump electrical circuits Within the next 50 hours time-in-service (TIS) after June 6, 2005 (the effective date of this AD), unless already done For sailplanes with a SOLO 2625 engine: Follow DG Flugzeugbau GmbH Technical Note No. 873/26, dated November 12, 2001; For sailplanes with a Mid-West AE 50T engine: Follow DG Flugzeugbau GmbH Technical Note No. 873/27, dated November 29, 2001. (2) Remove the non-resettable digital engine indicator (DEI) circuit breaker (4-ampere) and replace with a resettable 5-ampere circuit breaker Before further flight after the modification of the coolant pump and fuel pump electrical circuits required by paragraph (e)(1) of this AD For sailplanes with a SOLO 2625 engine: Follow DG Flugzeugbau GmbH Technical Note No. 873/26, dated November 12, 2001; For sailplanes with a Mid-West AE 50T engine: Follow GD Flugzeugbau GmbH Technical Note No. 873/27, dated November 29, 2001. (3) For sailplanes with engine SOLO 2625 (New version Mikuni carburetor): Secure the choke butterfly valve axis Before further flight after the modificaiton of the coolant pump and fuel pump electrical circuits required by paragraph (e)(1) of this AD and the removal and replacement required by paragraph (e)(2) of this AD For sailplanes with a SOLO 2625 engine: Follow DG Flugzeugbau GmbH Technical Note No. 873/26, dated November 12, 2001. (4) Install edge protection at the sharp edges of the resettable 5-ampere DEI circuit breaker Before further flight after the modification of the coolant pump and fuel pump electrical circuits required by paragraph (e)(1) of this AD and the removal and replacement required by paragraph (e)(2) of this AD For sailplanes with a SOLO 2625 engine: Follow DG Flugzeugbau GmbH Technical Note No. 873/26, dated November 12, 2001; For sailplanes with a Mid-West AE 50T engine: Follow DG Flugzeugbau GmbH Technical Note No. 873/27, dated November 29, 2001. (5) Incorporate changes in the FAA-approved sailplane flight manual (SFM) (i) The owner/operator holding at least a private pilot certificate as authorized by section 43.7 of the Federal Aviation Regulations (14 CFR 43.7) may do the flight manual changes requirement of this AD (ii) Make an entry in the aircraft records showing compliance with this portion of the AD following section 43.9 of the Federal Aviation Regulations (14 CFR 43.9) Before further flight after the modifications required by paragraphs (e)(1), (e)(2), (e)(3), and (e)(4) of this AD For sailplanes with a SOLO 2625 engine: Follow DG Flugzeugbau GmbH Technical Note No. 873/26, dated November 12, 2001; For sailplanes with a Mid-West AE 50T engine: Follow DG Flugzeugbau GmbH Technical Note No. 873/27, dated November 29, 2001. (6) Do not install any SOLO 2625 engine or Mid-West AE 50T engine unless the modifications required by paragraphs (e)(1), (e)(2), (e)(3), and (e)(4) of this AD have been done As of June 6, 2005 (the effective date of this AD) Not Applicable.
Unsafe condition
(d) This AD is the result of mandatory continuing airworthiness information (MCAI) issued by the airworthiness authority for Germany. The actions specified in this AD are intended to prevent electrical failure of the fuel and coolant pumps if a non-resettable circuit breaker trips. This could result in power loss with the inability to restart the fuel pump during a critical phase of flight (for example, takeoff under own power).
Affected ADs
(b) None.
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