Service difficulty report · Switch · Bombdr DHC8402

Difficulty date
September 21, 2011
Submitted
September 26, 2011
Operation
Air carrier
Aircraft
N440QX
Make and model
Bombdr DHC8402
Aircraft serial
4347
Aircraft time
1,511 hours, 1,583 cycles
Part
Switch
Part number
MS21027K381
Condition
Failed
Location
Prop Governor
Stage of operation
IN
How discovered
9
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

OVERSPEED GOV TEST SELECT SWITCH FAILED WHILE PERFORMING OVERSPEED GOVERNOR TEST, TASK CARD 612000213. FERRY. INTERROGATED CDS, NO PEC OR FADEC FAULTS FOUND. R &R PROP OVERSPEED GOV'R TEST SWITCH IAW AMM 20-30-07-000-801/-400-801. OPS TEST OF PROP OVERSPEED GOV GOOD IAW AMM 61-20-00-710-803. NO FURTHER DEFECTS NOTED. C/W TC 612000203. RETURNED TO SERVICE.