A B737-300 technician reports that during an aft cabin attendant seat belt modification an angle that attaches to the lavatory wall was not installed.

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Attributes
ACN	715585
Time
Date	200609
Place
Locale Reference	airport : zzz.airport
State Reference	US
Altitude	agl single value : 0
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	B737-300
Operating Under FAR Part	Part 121
Flight Phase	ground : maintenance
Person 1
Affiliation	company : air carrier
Function	maintenance : technician
Qualification	technician : airframe technician : powerplant
ASRS Report	715585
Person 2
Affiliation	company : air carrier
Function	maintenance : technician
Events
Anomaly	aircraft equipment problem : critical maintenance problem : improper maintenance non adherence : published procedure other anomaly other
Independent Detector	other other : 1
Resolutory Action	none taken : detected after the fact
Factors
Maintenance	contributing factor : work cards contributing factor : schedule pressure performance deficiency : inspection performance deficiency : scheduled maintenance performance deficiency : non compliance with legal requirements performance deficiency : installation
Supplementary
Problem Areas	Aircraft Chart Or Publication Environmental Factor Maintenance Human Performance
Primary Problem	Maintenance Human Performance

Narrative:

Today I noticed a mechanic removing aft flight attendant seat belts and I noticed he was installing an angle that attaches to the aft lavatory wall. I remember that I installed some seat belts not knowing an angle was to be installed between the lavatory wall and the seat belts. So as far as I know; an aircraft is missing this angle.

Original NASA ASRS Text

Title: A B737-300 TECHNICIAN RPTS THAT DURING AN AFT CABIN ATTENDANT SEAT BELT MODIFICATION AN ANGLE THAT ATTACHES TO THE LAVATORY WALL WAS NOT INSTALLED.

Narrative: TODAY I NOTICED A MECH REMOVING AFT FLT ATTENDANT SEAT BELTS AND I NOTICED HE WAS INSTALLING AN ANGLE THAT ATTACHES TO THE AFT LAVATORY WALL. I REMEMBER THAT I INSTALLED SOME SEAT BELTS NOT KNOWING AN ANGLE WAS TO BE INSTALLED BTWN THE LAVATORY WALL AND THE SEAT BELTS. SO AS FAR AS I KNOW; AN ACFT IS MISSING THIS ANGLE.

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.