Engine_Logs_and_AD.pdf

This document is a comprehensive maintenance log and service record for a Honeywell T53-L-13B turbine engine with serial number LE-23428, primarily maintained by McTurbine Inc. located in Corpus Christi, Texas. The file contains detailed service bulletins, airworthiness directives, compliance records, and maintenance history spanning from 2005 to 2012, documenting multiple inspections, component replacements, and repair procedures performed on the engine. The records indicate the engine was used in a UH-1H helicopter and underwent regular 100-hour inspections, TEAC (Test, Evaluation, and Compliance) operations, and various maintenance actions to ensure airworthiness and compliance with US Army technical manuals and military specifications.

The maintenance records show meticulous tracking of engine cycles, component replacements, and adherence to specific service bulletins, with entries signed by authorized technicians like David Hays. Multiple component replacements are documented, including bearings, seals, gears, and other critical engine parts. The records demonstrate compliance with Airworthiness Directives (AD) such as AD 2006-01-05 and Service Bulletins, with each maintenance action carefully logged and verified. The engine was consistently maintained to meet military standards, with detailed notes on performance metrics like test altitude, N1 speed, torque, and external temperature compensation. A part replacement list from November 4, 2005, itemizes specific components replaced during a major service, indicating the comprehensive nature of the engine's maintenance program.