Service difficulty report · Pcu · Boeing 7374B7

Difficulty date
October 7, 2012
Submitted
October 11, 2012
Operation
Air carrier
Aircraft
N433US
Make and model
Boeing 7374B7
Aircraft serial
24555
Aircraft time
60,797 hours, 40,511 cycles
Part
Pcu
Part number
4192001003
Part serial
41920002166
Condition
Faulty
Location
Rudder
Part time
10,498 hours, 6,540 cycles
Stage of operation
CL
How discovered
O
Nature of condition
F
Precautionary procedure
O

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

What was found

CREW REPORTED AN UNCOMMANDED ROLL (LEFT) AFTER LIFT OFF OUT OF PBI. FLIGHT CONTINUED ONTO CLT. MAINTENANCE ACCOMPLISHED FLAP AND SLAT VISUAL INSPECTION, HYDRAULIC OPERATION OF FLAPS AND SLATS, YAW DAMPER COUPLER FAULT HISTORY, YAW DAMPER SERVO TEST AND SPOILER CONTROL SYSTEM TEST PER AMM 27-61-00-735-003. NO FAULTS FOUND. REMOVED AND REPLACED RUDDER PCU PER AMM 27-21-91-404-013-002. ALSO, LEFT AILERON RIGGED TO NEUTRAL POSITION AND CABLES ABSA AND ABSB TENSIONS ADJUSTED PER AMM 27-11-00-825-011. ACCOMPLISHED MAINTENANCE TEST FLIGHT. TEST FLIGHT SATISFACTORY. AIRCRAFT OK FOR SERVICE.

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