SDR SWIA201436218

Service difficulty report · Pcu · Emb EMB120ER

Difficulty date: January 31, 2014
Submitted: February 5, 2014
Operation: Air carrier
Aircraft: N271YV
Make and model: Emb EMB120ER
Aircraft serial: 120271
Aircraft time: 43,751 hours, 59,350 cycles
System (JASC): 6120 · Propeller Controlling System
Part: Pcu
Condition: Malfunctioned
Location: Rt Propeller
Stage of operation: CL
How discovered: O
Nature of condition: O
Precautionary procedure: D

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

What was found

DURING INITIAL CLIMB RT PROP BEGAN FLUCTUATING +/- 5%. AFTER SETTING REDUCED, NP FLUCTUATION CONTINUED +/- 5%. WHILE RETURNING TO FIELD, FLUCTUATION STOPPED. FLT 7391 REPLACED RT PROP PCU IAW AMM, PN 782490-46, SN ON 950440 & SN OFF 960438.

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