Service difficulty report · Pressure Switch · Saab 340B

Difficulty date
October 28, 2014
Submitted
November 11, 2014
Operation
Air carrier
Aircraft
N327AG
Make and model
Saab 340B
Aircraft serial
340B427
Aircraft time
32,513 hours, 36,580 cycles
Part
Pressure Switch
Part number
1103P0620
Part serial
1960
Condition
Malfunctioned
Location
Engine
Stage of operation
DE
How discovered
O
Nature of condition
J, Y
Precautionary procedure
A

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

What was found

DURING DESCENT, RT ENGINE SURGED AS NOTED BY TORQUE INDICATION FOLLOWED BY ENGINE FAILURE. PERFORMED INSPECTION OF RT POWERPLANT. REPLACED RT DECU, HMU AND FILTER, OPS CHECKED GOOD. FUNCITIONAL CHECK FLIGHT SATISFACTORY.

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