Service difficulty report · Hmu · Dhav DHC8102

Difficulty date
March 17, 2007
Submitted
March 20, 2007
Operation
Air carrier
Aircraft
N816
Make and model
Dhav DHC8102
Aircraft serial
329
Aircraft time
36,871 hours, 40,104 cycles
Engine
Pwa PW120A
Engine time
35,426 hours, 38,573 cycles
Part
Hmu
Condition
Failed
Location
Nr 1 Engine
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
E

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

What was found

AT 13,000 FEET HEARD MUFFLED BOOM FROM NR 1 ENGINE FOLLOWED BY NR 1 ENGINE MANUAL CAUTION LIGHT AND OIL PRESSURE WARNING. SHUT DOWN ENGINE. REPLACED HMU AND FUEL PUMP.