Downloaded from https://www.everyspec.com ADS-79D-HDBK MAC Message Authentication Code MDR Maintenance Data Recorder MEC Maintenance Engineering Call MES main engine start MIC0 Message Integrity Code ( MIL-STD Military Standard MIMOSA Machinery Information Management Open Standards Alliance MPA Module Performance Analysis MSPU Modern Signal Processing Unit MTBF Mean Time Between Failure MTTR mean time to repair NDE Non Destructive Equipment NDI Non-Destructive Inspection NGB nose gearbox OASIS Oil Analysis Standard Interservice System OAT Outside Air Temperature ODM oil debris monitoring O/P Output OUS Operating Usage Spectra PA Prognostics assessment P D Probability of Detection PDR Preliminary Design Review PEO Program Executive Officer P FN Probability of False Negative P FP Probability of False Positive PHM Prognostics and Health Management POD Probability of Detection PODF Probability of Detecting a Fault PPM Part Per Million PSAC Plan for Software Aspects of Certification PSSA Preliminary System Safety Assessment PTIT Power Turbine Inlet Temperature RCM Reliability Centered Maintenance RDBMS Relational Database Management System RE rolling elements RIMFIRE Reliability Improvement through Failure ID and Reporting RFP Request for Proposal RFS rotrode filter spectroscopy ROA Reduced Order Algorithm ROC Receiver Operating Characteristic ROM reduced order models 11