Squawk Box

July 2010 Issue

Crack Me Up

The following information is derived from the FAA’s Service Difficulty Reports and Aviation Maintenance Alerts.

During a 100-hour inspection, several cracks were discovered on the inboard elevator hinge bracket (p/n A730258N). Additional cracks were found on the seven aircraft after a fleet-wide, one-time inspection was completed. Aircraft times varied from a low of 2507.7 hours to the group high of 2740.3 hours. The difference is a mere 232.6 hours, with 2671.4 the average of the seven records. Everything is cracking right on schedule—you could plan a vacation period around these numbers.

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