Efficient and Effective Repair Solutions Since 1952
Fortner’s Engineering Department is extremely important to each repair performed. The engineering team will utilize an extensive
database including OEM maintenance manuals, service bulletins, manufacturing drawings and thousands of previous repairs, to design
and create Component Processing Packages (CPP's). The CPP's include repair and test procedures, pertinent test fixture and/or
component manufacturing drawings and other applicable documentation.
All of these repairs are developed in accordance with our FAA-approved Engineering Standards Manual (FES81). FES 81 was initially
developed by Fortner’s engineering team in 1981 in support of our issuance of SFAR-36 authority. Our in-house DER’s have continued
to update FES to reflect current best practices and FAA Regulatory requirements. Repairs determined to be 'major' are accomplished
utilizing the expertise of Fortner's engineering staff and authorized by Fortner's in-house FAA-DER. Prior to implementation, the
engineering staff will test the component to ensure design performance of the Component Processing Package.
The FAA documented Fortner’s ability to utilize this manual for these approvals by including the following wording directly to our
Operation Specification:
“Fortner Engineering Standards Manual, FES-81, FAA Approved 06-15-95 (as amended), may be used to establish repairs of aircraft
hydraulic components not covered in the applicable manufacturer’s component maintenance manual.”
The Engineering Department maintains a strong interface with our Hydraulic Test Department and applies the latest technologies for a
true state-of-the-art facility. Some of the current instrumentation to validate the airworthiness of all repaired components is
pressure, velocity and position transducers, precision voltage measuring and waveform generation devices, strip chart and x-y
recorders and computer based data acquisition and testing equipment.
The engineering department's strong working alliance with the other departments within our operation forges a team effort to assure
the highest quality within the repair industry. Additionally, the engineering staff is dedicated to continuing education by staying
abreast of current engineering and technical literature and attending technical conferences and symposiums.
Fortner Engineering was effectively given authorization to "develop and use major repair data which is not specifically approved by
the Administrator" with the issuance by the FAA of SFAR-36 in 1980. In simple terms, this allowed Fortner to develop and implement
repairs that were not covered in the OEM's Component Maintenance Manuals (CMM's). This industry-recognized practice allowed Fortner
to repair, rather than replace, many unserviceable major detail components that remain classified as non-repairable in the CMM.
As SFAR-36 was phased out, Fortner began the on-attrition conversion of these SFAR-36 approved repairs to Designated Engineering
Representative (DER) approved repairs with the involvement and concurrence of the local FAA authority. Today all newly developed
repair procedures are approved utilizing Fortner's on-staff DER and are incorporated upon receipt of customer approval.
To date, Fortner has over 1,200 DER / FES-81 approved repair procedures which have saved the airline industry an incalculable amount
of time and money.
Fortner Engineering services a broad range of OEM components, including units from these OEM’s:
Part Number | Description | ATA Chapter | OEM | Application | Inquire For a Quote |
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