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2015-11-14 00:42:56 Definition

The unintended failure to carry out a maintenance task in accordance with the requirements of that task and/or not working in accordance with the principles of good maintenance practice.
Description

Aviation industry studies have found that the origin of as many as 20% of all in-flight engine shutdowns can be traced to maintenance error.
Typical maintenance errors include:
Electrical wiring discrepancies.
Loose objects left in airplane.
Incorrect installation of components.
Fitting of wrong parts.
Inadequate lubrication.
Access panels, fairings, or cowlings not secured.
Fuel or oil caps and fuel panels not secured.
For installation errors on engines, one specific study found the following types of error:
Boroscope plug not refitted
Engine Driven Pump (EDP) drive shaft seal not fitted
Engine attachment bolts incorrectly fitted
Anti Ice valves locked out
Fire bottle squibs not fitted
Fuel pipe not secured
Magnetic Chip Detectors (MCDs) not fitted
Prop spinner fitment not completed
Fuel Control Unit (FCU) controls not fitted
The circumstances in which maintenance error occurs are the focus of human factors methodology. Open / Comment

2015-11-14 00:42:00 Maintenance Error Open / Comment

2015-11-14 00:41:12 http://www.skybrary.aero/index.php/Maintenance_Error Open / Comment

2015-11-13 23:21:00 Aircraft maintenance checks are periodic inspections that have to be done on all commercial/civil aircraft after a certain amount of time or usage; military aircraft normally follow specific maintenance programmes which may or may not be similar to those of commercial/civil operators. Airlines and other commercial operators of large or turbine-powered aircraft follow a continuous inspection program approved by the Federal Aviation Administration (FAA) in the United States,[1] or by other airworthiness authorities such as Transport Canada or the European Aviation Safety Agency (EASA). Under FAA oversight, each operator prepares a Continuous Airworthiness Maintenance Program (CAMP) under its Operations Specifications or "OpSpecs".[2] The CAMP includes both routine and detailed inspections. Airlines and airworthiness authorities casually refer to the detailed inspections as "checks", commonly one of the following: A check, B check, C check, or D check. A and B checks are lighter checks, while C and D are considered heavier checks. Open / Comment

2015-11-12 17:02:28 There are two types of preconditions for unsafe acts: those that relate to the human operator's internal state and those that relate to the human operator's practices or ways of working. Adverse internal states include those related to physiology (e.g., illness) and mental state (e.g., mentally fatigued, distracted). A third aspect of 'internal state' is really a mismatch between the operator's ability and the task demands; for example, the operator may be unable to make visual judgments or react quickly enough to support the task at hand. Poor operator practices are another type of precondition for unsafe acts. These include poor crew resource management (issues such as leadership and communication) and poor personal readiness practices (e.g., violating the crew rest requirements in aviation). Open / Comment

2015-11-12 14:04:40 historylearningsite.co.uk. The History Learning Site, 17 Mar 2015. 12 Nov 2015.
The Jet Engine http://www.historylearningsite.co.uk/inventi Open / Comment

2015-11-12 00:05:44 Open / Comment

2015-11-12 00:04:22 Open / Comment

2015-11-11 17:55:16 Boeing Files Protest against LRS-B Award https://www.ainonline.com/aviation-news/defense/2015-11-06/boeing-files-protest-against-lrs-b-award Open / Comment

2015-11-11 17:16:20 GAMA: YTD Business Jet, Turboprop Deliveries Climb http://www.ainonline.com/aviation-news/business-aviation Open / Comment