A B757-200 on overnight check found #4 main wheel tie bolt broken. Replaced tire and wheel assembly.

Attributes
ACN	665749
Time
Date	200501
Place
Locale Reference	airport : zzz.airport
State Reference	US
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	B757 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	ground : maintenance
Person 1
Affiliation	company : air carrier
Function	maintenance : technician
Qualification	technician : powerplant technician : airframe
Experience	maintenance technician : 16
ASRS Report	665749
Person 2
Affiliation	other
Function	maintenance : technician
Events
Anomaly	aircraft equipment problem : critical maintenance problem : improper maintenance maintenance problem : improper documentation non adherence : far non adherence : published procedure
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 : unqualified personnel performance deficiency : inspection performance deficiency : logbook entry performance deficiency : non compliance with legal requirements
Supplementary
Problem Areas	Aircraft Chart Or Publication Environmental Factor Maintenance Human Performance Company
Primary Problem	Maintenance Human Performance

Narrative:

On overnight check; found #4 wheel tie bolt broken. Removed and replaced #4 wheel.

Original NASA ASRS Text

Title: A B757-200 ON OVERNIGHT CHK FOUND #4 MAIN WHEEL TIE BOLT BROKEN. REPLACED TIRE AND WHEEL ASSEMBLY.

Narrative: ON OVERNIGHT CHK; FOUND #4 WHEEL TIE BOLT BROKEN. REMOVED AND REPLACED #4 WHEEL.

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.