A B737-500 aircraft #4 main tire was changed without installing the medium large transport gear pins...

Attributes
ACN	747196
Time
Date	200707
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : zzz.airport
State Reference	US
Altitude	agl single value : 0
Aircraft 1
Controlling Facilities	artcc : zzz.artcc
Operator	common carrier : air carrier
Make Model Name	B737-500
Operating Under FAR Part	Part 121
Person 1
Affiliation	company : air carrier
Function	maintenance : technician
Qualification	technician : airframe technician : powerplant
Experience	maintenance technician : 20
ASRS Report	747196
Person 2
Affiliation	company : air carrier
Function	maintenance : technician
Qualification	technician : airframe technician : powerplant
Experience	maintenance technician : 14
ASRS Report	747197
Events
Anomaly	aircraft equipment problem : less severe non adherence : company policies non adherence : far non adherence : published procedure
Independent Detector	other other : 1
Resolutory Action	other
Consequence	other
Factors
Maintenance	contributing factor : briefing contributing factor : schedule pressure performance deficiency : installation performance deficiency : non compliance with legal requirements performance deficiency : scheduled maintenance
Supplementary
Problem Areas	Maintenance Human Performance Company
Primary Problem	Maintenance Human Performance

Narrative:

Did a tire change on #4 main tire and did not install gear pins per amm.

Original NASA ASRS Text

Title: A B737-500 ACFT #4 MAIN TIRE WAS CHANGED WITHOUT INSTALLING THE MLG GEAR PINS.

Narrative: DID A TIRE CHANGE ON #4 MAIN TIRE AND DID NOT INSTALL GEAR PINS PER AMM.

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.