Service difficulty report · Control Unit · Emb EMB120FC

Difficulty date
December 18, 2012
Submitted
December 27, 2012
Operation
Air carrier
Aircraft
N1110J
Make and model
Emb EMB120FC
Aircraft serial
120110
Aircraft time
35,732 hours, 42,804 cycles
Engine
Pwa PW118
Part
Control Unit
Part number
78249046
Part serial
911146
Condition
Leaking
Location
Engine
Part time
23,911 hours
Stage of operation
CL
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

NR 2 OIL PRESSURE WAS FLUCTUATING BETWEEN 55-40 PSI. NR 2 OIL PRESSURE AURAL WARNING ENGINE "OIL" SHUTDOWN. REPLACED NR 2 PCU IAW MM 61-21-00. GROUND OPS AND LEAK CHECK GOOD. PCU WAS FOUND TO BE LEAKING EXTERNALLY AT REAR OF UNIT.

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