2.3 - Preliminary Hazard Analysis.docx - PRELIMINARY HAZARD...

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Instructions: Use the Risk Matrix on page 20 in the textbook to determine risk assessment codes (RAC). The format is shown on page 89 of the textbook.1.Complete a Preliminary Hazard Analysis (PHA) worksheet with a minimum of five (5) hazardous conditions. 2.Complete a risk assessment, which is an explanation of the hazards listed in your PHA worksheet as shown on textbook pages 81-82. PROGRAM: Bleed air systemDATE: 04/04/2020ENGINEER:PAGE: 1 to 5ITEMHAZARDOUSCONDITIONCAUSEEFFECTSRACASSESSMENTSRECOMMENDATIONS 12345Fire Temperature extremesContamination ContaminationLoss of habitable atmosphereBleed air leakFailure of supply lines to deliver bleed airBleed air leakLack of bleed air supply due to pneumatic system malfunctionLack of bleed airDamage to the wirings and aircraft componentsCabin/inflight fire Human exposure to contaminants in the bleedairFailure in deice and anti-ice system on airframe structure and affects engine performance inflightDepressurized cabin2D2D2D3E1EMalfunctions to aircraft system couldoccurHealth and safety risk to every personnel on board Personnel on board may inhale the contaminants Frozen or semi-frozen particles may build up on the airframe structures and ingested by the enginesPersonnel on board may suffer hypoxiaInstall redundant of detection and warning systems Temperature regulator and detectors to measure the cabin temperatureInstall adequate filtrations and contaminants detectorsDetection system to detect the accumulated foreign particles on airframe structureWarning systems on potential cabin decompression SFTY 440PRELIMINARY HAZARD ANALYSIS
System Phase

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