Service difficulty report · Governor · Emb EMB120ER

Difficulty date
July 22, 2002
Submitted
July 30, 2002
Operation
Air carrier
Aircraft
N301YV
Make and model
Emb EMB120ER
Aircraft serial
120301
Aircraft time
15,679 hours, 21,701 cycles
Part
Governor
Condition
Leaking
Location
Nr 2 Engine
Stage of operation
CR
How discovered
O
Nature of condition
K, J
Precautionary procedure
E

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

What was found

DURING CRUISE, GOT A TRIPLE CHIME OIL WARNING WITH CORRESPONDING OIL PRESSURE BETWEEN 40-55 PSI ON ENGINE NR 2. COMPLIED WITH QRH AND FEATHERED ENGINE NR 2. OIL PRESSURE THEN FELL TO APPROXIMATELY 20-30 PSI AND ENGINE NR 2 WAS SHUTDOWN PER QRH. ALL OTHER ENGINE INDICATIONS WERE NORMAL. FOUND OIL LEAK COMING FROM OVERSPEED GOVERNOR SWITCH ON NR 2 ENGINE. REPLACED OVERSPEED GOVERNOR PER MEL 61-22-01. ALSO REPLACED BAD BREATHER SEAL PER MM 72-20-00. ALL RUNS AND LEAK CHECK GOOD. OIL LEVEL GOOD AFTER ENGINE RUNS.

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