A B767-300 parked in a hangar incurs rudder damage when control is operated and strikes tail work st...

Attributes
ACN	451386
Time
Date	199909
Day	Thu
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : zzz.airport
State Reference	US
Altitude	agl single value : 0
Environment
Light	Daylight
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	B767-300 and 300 ER
Operating Under FAR Part	Part 121
Flight Phase	ground : maintenance ground : parked
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	maintenance : inspector
Qualification	technician : powerplant technician : airframe technician : inspection authority
ASRS Report	451386
Person 2
Affiliation	company : air carrier
Function	maintenance : technician
Qualification	technician : airframe technician : powerplant
Events
Anomaly	aircraft equipment problem : critical maintenance problem : improper maintenance non adherence : published procedure
Consequence	other other
Factors
Maintenance	contributing factor : schedule pressure contributing factor : work cards performance deficiency : installation performance deficiency : repair performance deficiency : testing
Supplementary
Problem Areas	Maintenance Human Performance Company Chart Or Publication
Primary Problem	Maintenance Human Performance

Narrative:

While attempting to perform a leak check on the rudder yaw damper servos, the rudder was apparently moved by someone in the cockpit causing it to run into the tailstand, leading to extensive trailing edge damage. I documented the damage on a write-up repair form as required.

Original NASA ASRS Text

Title: A B767-300 PARKED IN A HANGAR INCURS RUDDER DAMAGE WHEN CTL IS OPERATED AND STRIKES TAIL WORK STAND.

Narrative: WHILE ATTEMPTING TO PERFORM A LEAK CHK ON THE RUDDER YAW DAMPER SERVOS, THE RUDDER WAS APPARENTLY MOVED BY SOMEONE IN THE COCKPIT CAUSING IT TO RUN INTO THE TAILSTAND, LEADING TO EXTENSIVE TRAILING EDGE DAMAGE. I DOCUMENTED THE DAMAGE ON A WRITE-UP REPAIR FORM AS REQUIRED.

Data retrieved from NASA's ASRS site as of July 2007 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.

A B767-300 parked in a hangar incurs rudder damage when control is operated and strikes tail work stand.