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SDR CA010125010

Open the Markdown

Service difficulty report · Eec · Dhav DHC8311

FAA SDR system

Difficulty date
January 4, 2001
Submitted
February 1, 2001
Operation
Air carrier
Make and model
Dhav DHC8311
Aircraft time
20,775 hours
Engine
Pwa PW123
System (JASC)
7110 · Engine Cowling System
Part
Eec
Part number
7892132002
Condition
Failed
Location
Nr 2 Engine
Part time
16,351 hours, 24,595 cycles
Stage of operation
CL
How discovered
O
Nature of condition
N
Precautionary procedure
A

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

What was found

(CAN) THE FLIGHT CREW REORTED THAT THE NR 2 ENGINE TORQUE GAUGE WENT BLANK ON ROTATION. DURING THE UNSCHEDULED LANDING, THE NR 2 ENGINE WOULD NOT CONTROL PROPERLY. THE FDR WAS PULLED AND THE READOUT SHOWED NO EVIDENCE OF OVERTORQUE OR ANY OTHER ABNORMALITIES. ENGINE OVERTORQUE OR AN ELECTRICAL SIGNAL INTERRUPTION TO THE TORQUE INDICATOR ARE THE ONLY CARITERIA WHICH CAUSE THE TORQUE INDICATOR TO GO BLANK. THE SIGNAL FOR THE GAUGE COMES THROUGH THE EECU THE EECU WAS REPLACED AND THE AIRCRAFT WAS RETURNED TO SERVICE.