SDR CA110217006

Service difficulty report · Relay · Dhav DHC8202

Difficulty date: February 15, 2011
Submitted: March 15, 2011
Operation: Air carrier
Make and model: Dhav DHC8202
Aircraft time: 14,104 hours
Engine: Pwa PW123D
Propeller: Hamstd 14SF23
System (JASC): 7321 · Fuel Control/Turbine Engines
Part: Relay
Part number: M390166105L
Condition: Damaged
Location: Engine
Part time: 14,460 hours
Stage of operation: CR
How discovered: O
Nature of condition: F
Precautionary procedure: O

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

What was found

PILOT REPORT POWER LEVER (PLA) STAGGER DURING FLIGHT. AFTER INVESTIGATION, CHANGED THE MAIN FUEL CONTROL (MFC), P1, 8 PROBE, CHANGE, OVERSPEED GOVERNOR SWAPPED FOR TROUBLESHOOT. FINALLY, THEY FOUND THAT THE RELAY PN M39016/6-105L, LOCATED AT 6121-K13 AND K14 WAS DAMAGED (PARTIALLY BURNED).