SYS RAMS FS17
SYS RAMS FS17
SYS RAMS FS17
Set of flashcards Details
| Flashcards | 84 |
|---|---|
| Students | 25 |
| Language | Deutsch |
| Category | Technology |
| Level | University |
| Created / Updated | 16.06.2017 / 06.12.2021 |
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Some components will deteroriate or even lack of use. Perfection level sinks with time.
regularly Maintenance to restore the system and bring it back to a solid perfection level with less entropy. = scheduled maintenance
Only components with definite life time limits and/or wear out periods will benefit from scheduled maintenance!
1. Redundant Systems 2. Line Replaceable Unit (quick replacement, failed part can be repaired later) 3. Minimum Equipment List
1) Hard Time (Components with definite limits) 2) On-Condition (Components be regularly checked to determine remaining seviceability) 3) Condition Monitoring (monitoring of failure rates, removal rates to facilitate maintenance planning)
MSG-1, MSG-2 (Bottom-Up) "components are the most likely causes of equipment malfunction"
Top-Down Approach which asks: how does a particular failure affects the operation of the aircraft?
Aircraft Systems/Powerplant Tasks Aircraft Structural Tasks Aircraft Zonal Tasks
Lubrication Servicing Inspection Functional Check Operational Check Visual Check Restoration Discard
1) Environmental deterioration 2) Accidental Damage 3) Fatiuge Damage
Different zones are built over all systems (overlapping them), to pay enough attention to every system
Representives of the Airline, manufacturers, Regulatory Authority
establish policy, set goals for scheduled maintenance, prepare final recommendations, direct the activities of the working groups
Deliver written technica data to the ISC.
What is the MMEL?
Master Minimum Equipment ListFrom the manufacturer about a hole Aircraft fleet (A320, A330, A340)
Active = produces immediate effect Latent= produces no immediat effect
Active= will produce large input in the system (erroneous function of the servovelve) Passive= is observable but wont have an input to the system (reduction of hydraulic flow in the actuator)
discrete: result of a game (win/draw/loss) continous: hours of operation
1
0
State in which risk is acceptable
potential for harm or disposition of something to cause detriment
the implementation of an aircraft design in which the seriousness and the likelihood of occurence of potential harms for passengers and general public is acceptable
1309
high level functional description of the system, failures to each item
How does a failure condition affect the higher system level?
It should guide the development process
Prevention or mitigation of HAZARDS
SAFETY ASSESSMENT, design of each item has to be set in relationship with all other components to have an acceptable risk
Functional Hazard Assessment Focus on Functions not equipment
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