Aviation safety issues and actions

Line-replaceable units problem tracking

Issue number: AO-2008-070-SI-09
Who it affects: All aircraft operators and maintenance organisations
Issue owner: All high capacity operators
Transport function: Aviation: Air transport
Background: Investigation Report AO-2008-070
Issue release date: 19 December 2011
Current issue status: Not addressed
Issue status justification:

No safety action was advised by any of the organisations associated with the investigation.

Safety issue description

Industry practices for tracking faults or performance problems with line-replaceable units are limited, unless the units are removed for examination. Consequently, the manufacturers of aircraft equipment have incomplete information for identifying patterns or trends that can be used to improve the safety, availability or reliability of the units.

Last update 18 February 2014