SDR HNAA2010063000157

Service difficulty report · Flow Divider · Dhav DHC8102

Difficulty date: June 4, 2010
Submitted: June 29, 2010
Operation: Air carrier
Aircraft: N816EX
Make and model: Dhav DHC8102
Aircraft serial: 329
Aircraft time: 44,060 hours, 48,118 cycles
Engine: Pwa PW120
System (JASC): 7200 · Engine (Turbine/Turboprop)
Part: Flow Divider
Condition: Malfunctioned
Location: Nr 1 Engine
Stage of operation: CR
How discovered: O
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

NR 1 PROP FLUCTUATES 1178 TO1180 RPM, TORQUE FLUCTUATES BETWEEN 74 TO 90 PERCENT TORQUE. R & R NR 1 ENGINE FLOW DIVIDER IAW 72-02-03I, R & R NR1 PROP TRANSFER TUBE. RIGGED POWER AND CONDITION LEVERS IAW WORK CARD 76-00-01. LEAKED CHECKED GOOD, NO FIX, R & R PCU PUMP AND OVER SPEED GOVERNOR,OPS AND LEAKED CHECKED GOOD.