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Paragraph 2. It consists of a careful visual examination of the component in-situ to check its condition.
Example : detection of cracks or corrosion.
2) Detailed inspection
This is one of the detailed inspection operations defined in the "MAINTENANCE PHILOSOPHY", Paragraph 2. It involves a thorough inspection of a component, after removal, either with the naked eye or using a magnifying glass or other inspection technique (dye penetrant check, magnetic particle inspection, eddy currents, etc...).
3) Check
This operation is included both in the routine inspection and the detailed inspection. It involves ensuring that a part, or its condition, complies with requirements by taking measurements or using an inspection instrument.
Example : Flight control cable tension check.
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4) Bench test
This is a test to check the complete operation of the equipment involved. It may be carried out either after
removal of the equipment and its installation on a bench or in the aircraft using a mobile rig.
5) Operational check
This check simply confirms that a system or an equipment item is in good working order. These tests require no special equipment or installations other than those provided in the aircraft (power supplies). They should be similar to the checks carried out by the crew.
6) Operational test
This test ensures that all aspects of the operation of a system or an equipment item comply with the minimum requirements imposed by the design specification for that system or equipment item. The test may require additional ground equipment and must be more accurate and detailed than the operational check. The test definition must include all information necessary to carry out these tests in order to check the characteristics of the system or equipment item so as to maintain its reliability at an acceptable level. Moreover, no other documents are required to achieve this objective.
B. Meaning of abbreviations
AD Airworthiness Directive
Al : Annual Inspection
ATA "Air Transport Association"
CA : Calibration
CEIRB : Operation certificate for the aircraft radio and electrical systems
ED : Detailed inspection - refer to Paragraph 1.A., Terminology
EF Operational test - refer to Paragraph 1.A., Terminology
EO Operational check - refer to Paragraph 1.A., Terminology
EV : Visual inspection - refer to Paragraph 1.A., Terminology
PB : Bench test - refer to Paragraph 1.A., Terminology
PH : Remaining propeller life
PM : Remaining engine life
RES : Dye-penetrant check
RG : General overhaul
RGH : General propeller overhaul
SB : Service Bulletin
TL : Operating life before general overhaul
TPP : Public Transport Passengers
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TB 20 MAINTENANCE MANUAL 05 TIME LIMITS MAINTENANCE CHECKS TB20飞机维护手册 05 时间限制维护检查 1(8)
