SDR 29GA2017063000001

Service difficulty report · Autocoarsen Sys · Saab 340B

Difficulty date: June 29, 2017
Submitted: July 7, 2017
Operation: Air carrier
Aircraft: N343AG
Make and model: Saab 340B
Aircraft serial: 340B443
Aircraft time: 35,907 hours, 40,408 cycles
Engine: Ge CT79B
System (JASC): 7200 · Engine (Turbine/Turboprop)
Part: Autocoarsen Sys
Condition: Malfunctioned
Location: Left Engine
Stage of operation: AP
How discovered: O
Nature of condition: R
Precautionary procedure: O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

DURING APPROACH, THE LEFT ENGINE WENT IN AND OUT OF AUTOCOURSEN, DURING MANIPULATION OF POWER LEVERS AT LOW POWER SETTINGS. PERFORMED ADJUSTMENT TEST OF AUTOCOURSEN SYSTEM, OPERATIONAL CHECKED GOOD. FUNCTIONAL CHECK FLIGHT SATISFACTORY.

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