An MD80 technician reports that after #1 engine change, a damaged connector R5-5 may not be fully seated and may back off.

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Attributes
ACN	638258
Time
Date	200411
Day	Fri
Local Time Of Day	0001 To 0600
Place
Locale Reference	airport : zzz.airport
State Reference	US
Altitude	agl single value : 0
Environment
Light	Night
Aircraft 1
Controlling Facilities	tower : cvg.tower
Operator	common carrier : air carrier
Make Model Name	MD-80 Series (DC-9-80) Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	ground : maintenance
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	maintenance : technician
ASRS Report	638258
Person 2
Affiliation	company : air carrier
Function	maintenance : inspector
Events
Anomaly	aircraft equipment problem : critical maintenance problem : improper maintenance non adherence : published procedure non adherence : far
Independent Detector	other other : 1
Resolutory Action	none taken : detected after the fact
Consequence	other other
Factors
Maintenance	contributing factor : schedule pressure performance deficiency : scheduled maintenance performance deficiency : inspection performance deficiency : installation performance deficiency : repair
Supplementary
Problem Areas	Maintenance Human Performance Chart Or Publication Aircraft
Primary Problem	Maintenance Human Performance

Narrative:

The R5-5 canon plug on fuselage which connects the #1 engine is discrepant with the possibility of backing off was left installed instead of being replaced. The inside tang guide is bent over internally which will not allow the canon plug to fully seat, thus a possible backing off position or condition due to any engine vibration in-flight could occur.

Original NASA ASRS Text

Title: AN MD80 TECHNICIAN RPTS THAT AFTER #1 ENG CHANGE, A DAMAGED CONNECTOR R5-5 MAY NOT BE FULLY SEATED AND MAY BACK OFF.

Narrative: THE R5-5 CANON PLUG ON FUSELAGE WHICH CONNECTS THE #1 ENG IS DISCREPANT WITH THE POSSIBILITY OF BACKING OFF WAS LEFT INSTALLED INSTEAD OF BEING REPLACED. THE INSIDE TANG GUIDE IS BENT OVER INTERNALLY WHICH WILL NOT ALLOW THE CANON PLUG TO FULLY SEAT, THUS A POSSIBLE BACKING OFF POS OR CONDITION DUE TO ANY ENG VIBRATION INFLT COULD OCCUR.

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.