Capability

Maintenance Programs

CAVOK’s Maintenance Programs team has long experience in a wide range of air transport equipment (airframes and engines), operating profiles, corporate cultures, and universal best practices. With consistency and efficiency, we adeptly manage an air carrier’s maintenance program through every aspect of an aircraft’s life cycle.

An air carrier’s performance and profitability are closely linked to maintaining its fleet economically, appropriately, and in compliance with regulators. But managers of airline technical operations often face dynamic, rapidly shifting demands as they seek to ensure the airworthiness and dispatch reliability of the fleet. These constantly shifting priorities mean that overall fleet maintenance can slip in priority, not always aligning with corporate performance and hurting profitability.

CAVOK augments the administration of an air carrier’s Continuous Airworthiness Maintenance Program (CAMP) function: initial program development, enterprise resource planning system support, program assessment, check package optimization, auditing gap analysis, implementation bridging, and work instruction management.

Expertise

  • Enterprise Resource Planning Support
  • Maintenance Program Assessment
  • Maintenance Program Bridging
  • Maintenance Program Development
  • Maintenance Program Gap Analysis
  • Maintenance Program Optimization
  • Maintenance Program Work Instruction

 

The Situation

The Situation

Because of merger activities, the maintenance programs organization of a US-based international airline did not incorporate multiple Maintenance Review Board Report revisions into its B737NG maintenance schedule.

The air carrier’s maintenance programs and reliability staffers were keenly aware that, in some instances, the accomplishment intervals for recurring tasks was 50 percent less than for most competitors.

Resource constraints prevented the air carrier’s own maintenance programs and reliability groups from pursuing an optimized, financially beneficial maintenance program evolution initiative.

The discrepancy data not conforming to the air carrier’s maintenance programs evolution policies amounted to over 210,000 lines.

Approach

Approach

Employed CAVOK’s suite of applications (including Gap Analysis and Maintenance Program Assessment) to develop recommendations and substantiation for incorporating current Maintenance Review Board Report task intervals and, with some tasks, exceeded board-established intervals.

Developed and secured stakeholder buy-in for a moderately amended check packaging model.

Sought approval for escalating the air carrier’s line checks, immediately followed by seeking approval for escalated base checks.

Worked closely with affected stakeholder groups within the air carrier and offered full transparency on its goals and methodology for the regulatory authority.

Results

Results

The air carrier’s local regulatory authority approved the line and base check evolution substantiation proposals.

To efficiently manage the immense volume of discrepancy data, CAVOK designed, initiated, and implemented machine-learning protocols to “move the timeline to the left.”

CAVOK quickly designed an alternative line-check packaging concept that the air carrier approved and that led to a significant reduction in departure delays.

CAVOK developed a maintenance program bridging methodology that allowed the air carrier to aggressively implement its new line-check packaging arrays.

Bottom Line

A & C CHECK INVERVALS INCREASED:

50%

MAN HOURS REDUCTION:

30%

CHECK SPAN REDUCTION:

25%

The existing A-check and C-check intervals increased 50 percent, providing an estimated 30 percent reduction in man-hours and a 25 percent reduction in check span.

The air carrier is avoiding significant costs with the line checks and is forecasting an even greater positive financial impact once the revised maintenance check packaging schema is implemented.

Maintenance Programs Insights

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