Technical Workshop 2011 DER Repairs & RS-DER. PRESENTED BY DOMINICK P. DACOSTA FAA DER-T Chart A – Structures Chart B – Powerplant Chart C1 – Mechanical Systems Chart E – Engines Spl Delegations: Major Repairs Multi Use /Major Alte rations RS-DER . Gorham Technologies.
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According to 8100.8C and 8110.37D, the DER can approve design data on behalf of the FAA ACO [Engineering Branch] for items NOT exclusively retained for the FAA only, and within the charts noted in 8110.37D, here two examples.
Ref: 8110.37D Section 2-5. DER Designations.
a. Structural DERs may prepare and/or approve, within the limits of their appointment, the following items that comply with pertinent regulation(s):
(1) Engineering reports,
(3) Material and process specifications used in structural applications, and
(4) Other data relating to structural considerations.
e. Engine DER may prepare and/or approve, within the limits of their appointment, the following items that comply with pertinent regulation(s):
(1) Engineering reports,
(2) Drawings, and
(3) Other data relating to durability, materials, and processes employed in engine design, operation, and maintenance.
To approve Welding Processes the DER should have Function I 2 d on their DIN LODA
According to Order 8110.37D, Section 4-12c2, Yes, only DER’s with Multiple Use Authority can approve these type of repetitive repairs!
8110.37D, Section 4-12, 2c
c. Authorization. A DER must obtain authorization from the managing ACO before he initiates data approvals for major repairs or major alterations. The ACO’s authorization may be verbal and confirmed in writing or by an authorization letter. See a sample authorization letter in appendix 3, figure 6. A DER to whom we grant this special authorization may approve technical data for major repairs and major alterations without first notifying the project ACO, except when the part is critical or life limited, or if the work will be done outside the country. For guidance
concerning operating outside the United States, see Order 8100.8. For critical or life limited parts, the DER must contact the project ACO for guidance.
(1) Aircraft Repairs and Alterations. Authorization for major repairs or major
alterations applicable to aircraft, and engines and propellers installed on aircraft, are limited to
the approval of a specific repair or alteration to specific serial number aircraft. A DER must
coordinate with his managing ACO for authorization to approve data for multiple use repairs
without specific aircraft serial number effectivity.
(2) Component Repairs and Alterations. A DER authorized to work on major
repairs or major alterations of parts, components, engines, or propellers not installed on aircraft is limited to approving data for a specific repair or alteration to specific serial number parts, components, engines, or propellers, or to a specific work order for parts or components that are not serialized. A DER must coordinate with his managing ACO for authorization to approve data for multiple use repairs, repair schemes, or
establishment of repair limits for multiple use repairs to components.
FAA ORDER 8110.37E [draft]
Cl 1-Major Type Change
Major Type Change
Cl 2 – Major Type Change
A Non-book repair of a Combustor
Major Repair Methodology
Major Mod Template
1ST Qtr. 08
Major / Minor
Amend TC or
Repair or Alteration
per Approved Data
DERS GROUP wants to acknowledge FAA AVS Repair, Alteration and Fabrication Team (RAFT) for the slides related to RAFT Team investigation and those results
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