SDR QXEA2017050800343

Service difficulty report · Autofeather Sys · Bombdr DHC8402

Difficulty date: May 5, 2017
Submitted: May 8, 2017
Operation: Air carrier
Aircraft: N419QX
Make and model: Bombdr DHC8402
Aircraft serial: 4145
Aircraft time: 25,442 hours, 26,928 cycles
System (JASC): 6120 · Propeller Controlling System
Part: Autofeather Sys
Condition: Malfunctioned
Stage of operation: IN
How discovered: C
Nature of condition: L
Precautionary procedure: K

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

What was found

DURING DAILY SYSTEMS CHECK, AUTOFEATHER TEST FAILED. INTERROGATED CDS, FOUND NR 2 PEC FAULT 402B. CLEARED FAULT AND PERFORMED OPS TEST OF AUTOFEATHER AND UPTRIM IAW AMM 61-20-00-710-801, IAW FIM 61-20-09-810-812, AND MCN 661292-001 ISSUE 1. TEST PASSED, NO FURTHER DEFECTS NOTED, FAULT DID NOT RETURN.