<< >> NASA ASRS Report 1205442, September 2014

An aircraft maintenance technician (amt) reports a gulfstream G-200 aircraft required excessive rudder trim to keep aircraft in coordinated flight. Found rudder right-hand lower close-out panel 323AR hardware making contact with stop on vertical stabilizer.

Attributes
ACN	1205442
Time
Date	201409
Local Time Of Day	1201-1800
Place
Locale Reference	ZZZ.Airport
State Reference	US
Environment
Light	Daylight
Aircraft 1
Make Model Name	Gulfstream G200 (IAI 1126 Galaxy)
Flight Phase	Parked
Component
Aircraft Component	Rudder
Person 1
Function	Technician
Qualification	Maintenance Airframe Maintenance Powerplant
Events
Anomaly	Aircraft Equipment Problem Critical Deviation - Procedural Maintenance Deviation - Procedural Published Material / Policy Inflight Event / Encounter Other / Unknown

Narrative:

Excessive rudder trim needed to keep aircraft in coordinated flight. More than 1-DEGREE of left trim needed. Trim placement indicator outside the left limit. During troubleshooting of this squawk we found that the rudder would not make its full travel to the nose right stop. After further investigation we found that the rh lower rudder closeout panel 323AR hardware was making contact with the stop on the vertical stabilizer before the rudder contact point. My suggestion is to do a basic rudder travel check after all panels are reinstalled.

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Original NASA ASRS Text

Title: An Aircraft Maintenance Technician (AMT) reports a Gulfstream G-200 aircraft required excessive rudder trim to keep aircraft in coordinated flight. Found rudder right-hand lower close-out Panel 323AR hardware making contact with stop on vertical stabilizer.

Narrative: EXCESSIVE RUDDER TRIM NEEDED TO KEEP AIRCRAFT IN COORDINATED FLIGHT. MORE THAN 1-DEGREE OF LEFT TRIM NEEDED. TRIM PLACEMENT INDICATOR OUTSIDE THE LEFT LIMIT. During troubleshooting of this squawk we found that the rudder would not make its full travel to the nose right stop. After further investigation we found that the RH lower rudder closeout panel 323AR hardware was making contact with the stop on the vertical stabilizer before the rudder contact point. My suggestion is to do a basic Rudder Travel Check after all panels are reinstalled.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.