Service difficulty report · Pcu · Boeing 7374B7

Difficulty date
July 20, 2013
Submitted
July 24, 2013
Operation
Air carrier
Aircraft
N427US
Make and model
Boeing 7374B7
Aircraft serial
24549
Aircraft time
63,910 hours, 42,575 cycles
Part
Pcu
Part number
4192001003
Part serial
41920001654
Condition
Faulty
Location
Zone 200
Part time
12,880 hours, 8,032 cycles
Stage of operation
CR
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

AT FLIGHT LEVEL 250, IN A RIGHT TURN, CREW FELT UNCOMMANDED RUDDER BUMP. MX R & R MAIN RUDDER PCU IAW AMM 27-21-91-404-013-002. LEAK AND OPS CHECKED GOOD. ALSO, FOUND LOWER PAN BELOW RUDDER PCU DAMAGED. R & R PAN ASSY IAW SRM 51-40-02-0G0. ACCOMPLISHED MX TEST FLIGHT. FUNCTIONAL TEST FLIGHT SATISFACTORY.

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