Service difficulty report · Centering Unit · Aerosp ATR72212

Difficulty date
February 26, 2010
Submitted
March 22, 2010
Operation
Air carrier
Aircraft
N355AT
Make and model
Aerosp ATR72212
Aircraft serial
355
Aircraft time
31,155 hours, 34,142 cycles
Part
Centering Unit
Part number
41282
Part serial
224
Condition
Noisy
Location
Rudder
Part time
32,483 hours, 38,671 cycles
Component
Rudder Trim Act
Component part number
82363
Stage of operation
AP
How discovered
O
Nature of condition
S
Precautionary procedure
O

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

What was found

RUDDER JAM DURING APPROACH. EMERGENCY DECLARED, ARRIVED SAFELY. PERFORMED VISUAL INSP TO RUDDER AND RUDDER PEDALS FOR FREE TRAVEL AND CKD FOR CHAFING OR GRINDING NOISE, CK OK. OPS CHECK TO TLU RELEASED CENTERING UNIT IAW 27-21-33 AND 27-23-00 OPS. CHECK TO AFCS IAW 22-21-33 CK OK. (NRWC 282404, DVI THE RUDDER CENTERING UNIT CONNECTION LINKAGE REQUIRED DUE TO RUDDER JAM ON APPROACH. COMPLIED WITH DVI OF RUDDER CENTERING UNIT CONNECTING LINKAGE AND NO DAMAGE FOUND, R & R RELEASABLE CENTERING UNIT DUE TO GRINDING NOISE DURING RUDDER TRAVELING IAW JIC 27-21-33 (NRWC 282534) DURING OPS CHECK JIC 27-20-00 FOUND RUDDER TRIM ACTUATOR INOP. R & R RUDDER TRIM ACTUATOR IAW MM JIC 27-22-41.)(AML 288354 AFTER SPECIAL INSP OF RUDDER JAM REPORT DURING FLIGHT EO E2-2700-028 ACFT RELEASED FOR FCF TO VERIFY RUDDER OPERATION . ACFT RUDDER OPS CHECK SATISFACTORY ALL OTHER FLIGHT CONTROL SYS AND TRIMS CHECK SATISFACTORY).

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