Service difficulty report · Ecu · Dhav DHC8311

Difficulty date
May 10, 2017
Submitted
May 18, 2017
Operation
Air carrier
Aircraft
N328EN
Make and model
Dhav DHC8311
Aircraft serial
281
Aircraft time
47,795 hours, 69,614 cycles
Engine
Pwa PW123
Part
Ecu
Condition
Malfunctioned
Location
Nr 1 Engine
Stage of operation
CR
How discovered
O
Nature of condition
R, J
Precautionary procedure
A

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

What was found

AT FLIGHT LEVEL 9000 FT, NR 1 TORQUE ROLLED BACK 25%. THEN WENT BACK TO NORMAL AND REPEATED. RETURN TO FIELD. REMOVED AND REPLACED THE NR 1 ECU IAW SRT MANUAL, OPS CHECKED GOOD. OK FOR SERVICE.