Service difficulty report · Signal Cond Unit · Dhav DHC8202

Difficulty date
November 19, 2008
Submitted
November 22, 2008
Operation
Air carrier
Aircraft
N357PH
Make and model
Dhav DHC8202
Aircraft serial
504
Aircraft time
24,108 hours, 35,045 cycles
Part
Signal Cond Unit
Part number
30005000056
Part serial
MM5077
Condition
Malfunctioned
Location
Auto Feather
Part time
6 hours
Stage of operation
TX
How discovered
O
Nature of condition
O
Precautionary procedure
K

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

What was found

PDX - TESTING THE AUTO FEATHER SYS NR 1 PROP WILL FEATHER IMMEDIATELY WHEN MOVING THE TEST SWITCH FROM OFF TO NR 1 WITHOUT RELEASING SWITCH. REMOVED NR 1 SIGNAL CONDITION UNIT, REF PWC 123 MM 72-01-10, PARA 5 A.1. INSTALLED SERVICEABLE SIG COND UNIT. OPS TEST GOOD. RETURNED TO SERVICE.