Review the compressor delivery air pressure sensing line section in the MD 369D daily inspection manual

Implemented

Aviation L

Accident

23.9.2013

L2013-01/S1

Suosituksen perustelu

The helicopter manufacturer’s and the engine manufacturer’s daily instruction manuals differ as regards inspecting the paint markings of the compressor delivery air pressure sensing line’s couplings. On the basis of previous occurrences, to improve safety, the engine manufacturer decided to introduce comprehensive instructions.

Recommendation

Safety Investigation Authority, Finland recommends that MD Helicopters Inc review the MD 369D helicopter’s compressor delivery air pressure sensing line section in the daily inspection manual in such a manner that it complies with the engine manufacturer’s manual by including the paint markings on the B-nuts.

Toimenpide-ehdotukset

The helicopter manufacturer’s and the engine manufacturer’s daily instruction manuals differ as regards inspecting the paint markings of the compressor delivery air pressure sensing line’s couplings. On the basis of previous occurrences, to improve safety, the engine manufacturer decided to introduce comprehensive instructions.