Service difficulty report · Autofeather Sys · Beech 1900D

Difficulty date
October 28, 2010
Submitted
November 1, 2010
Operation
Air carrier
Aircraft
N170GL
Make and model
Beech 1900D
Aircraft serial
UE170
Aircraft time
29,906 hours, 37,924 cycles
Part
Autofeather Sys
Condition
Malfunctioned
Location
Rt Propeller
Stage of operation
AP
How discovered
O
Nature of condition
S
Precautionary procedure
O

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

What was found

PILOT REPORTED THE THE RIGHT ENGINE CYCLED IN AND OUT OF FEATHER MULTIPLE TIMES ON SHORT FINAL, STARTED WITH TORQ AT 1K AND STOPPED WHEN BROUGHT ABOVE 2K TORQ, N1 AT 90-91% AT THAT TIME. MAINTENANCE INSPECTED THE LOW PITCH SOLONOID IAW MM 61-20-00, PERFORMED OPERATION CHECK OF AUTOFEATHER SYSTEM IAW MM 61-21-00, ALL CHECKS GOOD, OK FOR SERVICE.

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