Chapter 13 Powerplant and propeller airworthiness inspection

What publications can be used as a guide for 100-hour inspections on aircraft engines?

Manufacturers maintenance manuals and FAR part 43, Appendix D.

How do you identify the engine serial number?

It is on the engine data plate.

What operational checks must be performed prior to returning a reciprocating engine to service after a 100-hour inspection?

Check the power output (static and idle r.p.m.), check magnetos, fuel and oil pressure check, cylinder and oil temperature check.

Where are life-limited parts of an engine listed?

Engine maintenance manuals, Type Certificate Data Sheet, and the Airworthiness Limitations section of the instructions for continued airworthiness.

Where can engine operating limits be found?

Engine manual, engine specification, type certificate data sheet, and aircraft manufacturer's maintenance manual.

Why are hot section inspections performed on turbine engines?

To determine the integrity and wear of the hot section components.

What inspections must be performed following a turbine engine overspeed?

Refer to the engine manufacturer's maintenance manual for the required procedures.

What inspections must be performed on a turbine engine if the exhaust gas temperature exceeds limitations?

A hot section inspection.

What FAA approvals are required when installing an engine that is not on the aircraft type certificate?

An STC (supplemental type certificate) or an FAA field approval.

Under what conditions is compliance with an engine service bulletin mandatory?

When an airworthiness directive references the service bulletin or when compliance is part of the approved operating specifications for a commercial or air carrier operator. When engine or component overhaul procedures require compliance at time of overhaul.