Service difficulty report · Computer · Bombdr DHC8402

Difficulty date
October 26, 2012
Submitted
October 29, 2012
Operation
Air carrier
Aircraft
N440QX
Make and model
Bombdr DHC8402
Aircraft serial
4347
Aircraft time
4,200 hours, 4,403 cycles
Engine
Pwc PW150A
Propeller
Dowty R4086123F17
Part
Computer
Part number
699018003
Part serial
2025
Condition
Malfunctioned
Location
Zone 400
Part time
4,198 hours, 4,401 cycles
Stage of operation
TX
How discovered
V
Nature of condition
J
Precautionary procedure
O

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

What was found

AUTOFEATHER SHOWS FAIL NR 1 ENGINE AND ABORT NR 2 ENGINE DURING SYS TEST. CONFIRMED AUTOFEATHER TEST FAILED. INTEREGATED CDS FOR PROP FAULT CODES-FOUND P-PLANT FAULTS ON NR 2 PROP: CH A-402, 494, AND CH B-294, 400, 402, 408, 494. C/W FIM TASK 61-20-09-810-812, FAULTS RETURNED. R & R NR 2 PEC IAW AMM TASKS 61-20-36-000-801 AND 61-20-36-400-801. BONDING CHECKED GOOD. OPS CHECKED GOOD. FAULTS DID NOT RETURN. C/W FIM TASK 61-20-06-810-840 FOR CODE 294. C/W FIM TASK 61-20-09-810-806 FOR CODE 400. C/W FIM TASK 61-20-09-810-812 FOR CODE 402. C/W FIM TASK 61-20-09-810-809 FOR CODE 408. C/W FIM TASK 61-20-10-810-826 FOR CODE 494. NO FAULTS RETURNED. NO OTHER DEFECTS NOTED. RETURNED TO SERVICE.