Service difficulty report · Autofeather Sys · Bombdr DHC8402

Difficulty date
July 24, 2014
Submitted
July 25, 2014
Operation
Air carrier
Aircraft
N431QX
Make and model
Bombdr DHC8402
Aircraft serial
4164
Aircraft time
17,266 hours, 18,477 cycles
Part
Autofeather Sys
Condition
Malfunctioned
Stage of operation
TO
How discovered
O
Nature of condition
J
Precautionary procedure
C

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

What was found

AUTOFEATHER DID NOT ARM ON TAKE OFF. AUTOFEATHER WAS SELECTED. ABORTED TAKE OFF. BELOW 60KTS. COMPLIED WITH OPS TEST OF PROP AUTOFEATHER & UPTRIM IAW AMM 61-20-00-710-801. AUTOFEATHER TEST SHOWED FAIL FOR NR 1 & ABORT FOR NR 2. INTERROGATED EMU FOR FAULTS, FOUND CODE 494. C/W FIM TASK 61-20-10-810-826 FOR FAULT CODE, FAULT CLEARED, A/F TEST PASSED FOR NR 1 & NR 2 ENGINE. PERFORMED BETA CAL IAW AMM 61-20-36-720-801. GROUND RAN ACFT, PERFORMED OPS TEST OF A/F SYS IAW 61-20-00-710-801. OPS CHECKED GOOD. RETURNED TO SERVICE.