A B767 was dispatched with the rudder trim indicator deferred as inoperative per the MEL. MEL did not differentiate between EICAS trim indication and trim indicator located on pedestal.

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Attributes
ACN	695965
Time
Date	200604
Place
Locale Reference	airport : zzz.airport
State Reference	US
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	B767 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	ground : parked ground : maintenance
Person 1
Affiliation	company : air carrier
Function	maintenance : technician oversight : coordinator
ASRS Report	695965
Events
Anomaly	aircraft equipment problem : critical maintenance problem : non compliance with mel non adherence : far non adherence : published procedure
Independent Detector	aircraft equipment other aircraft equipment : eicas
Resolutory Action	none taken : detected after the fact
Consequence	other
Factors
Maintenance	contributing factor : manuals contributing factor : schedule pressure performance deficiency : non compliance with legal requirements performance deficiency : logbook entry performance deficiency : fault isolation
Supplementary
Problem Areas	Chart Or Publication Aircraft Maintenance Human Performance Environmental Factor
Primary Problem	Chart Or Publication

Narrative:

On apr/fri/06; I issued MEL 27-3 for a rudder trim indication fault. Finding no specific MEL reference for rudder trim indication; I believed this reference was correct; as this is a primary flight control; and it was an indication problem. I was told by the aircraft modification personnel that the preliminary discussions are that the rudder trim indication is not placardable. Air carrier will issue an MEL clarification to state that this MEL reference is for EICAS indication. I believe the MEL should have stated EICAS indications only.

Original NASA ASRS Text

Title: A B767 WAS DISPATCHED WITH THE RUDDER TRIM INDICATOR DEFERRED AS INOP PER THE MEL. MEL DID NOT DIFFERENTIATE BTWN EICAS TRIM INDICATION AND TRIM INDICATOR LOCATED ON PEDESTAL.

Narrative: ON APR/FRI/06; I ISSUED MEL 27-3 FOR A RUDDER TRIM INDICATION FAULT. FINDING NO SPECIFIC MEL REF FOR RUDDER TRIM INDICATION; I BELIEVED THIS REF WAS CORRECT; AS THIS IS A PRIMARY FLT CTL; AND IT WAS AN INDICATION PROB. I WAS TOLD BY THE ACFT MODIFICATION PERSONNEL THAT THE PRELIMINARY DISCUSSIONS ARE THAT THE RUDDER TRIM INDICATION IS NOT PLACARDABLE. ACR WILL ISSUE AN MEL CLARIFICATION TO STATE THAT THIS MEL REF IS FOR EICAS INDICATION. I BELIEVE THE MEL SHOULD HAVE STATED EICAS INDICATIONS ONLY.

Data retrieved from NASA's ASRS site as of January 2009 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.