A line mechanic stated that ramp crew personnel found a broken tie bolt on the number 3 medium large...

Attributes
ACN	899083
Time
Date	201007
Local Time Of Day	1201-1800
Place
Locale Reference	ZZZ.Airport
State Reference	US
Environment
Light	Dusk
Aircraft 1
Make Model Name	B757-200
Operating Under FAR Part	Part 121
Flight Phase	Parked
Component
Aircraft Component	Main Gear Wheel
Person 1
Function	Ramp Technician
Qualification	Maintenance Airframe Maintenance Powerplant
Events
Anomaly	Aircraft Equipment Problem Critical

Narrative:

The ramp crew reported that a company B757-200 had one broken tie bolt on the # 3 rear medium large transport (main landing gear) wheel near the valve stem. Tire and wheel assembly were replaced per (maintenance manual) MM 32-45-01. No departure delay was incurred. I have noticed a trend in broken tie bolts lately on the A320 and B757 fleets. Broken bolt will be saved for [investigation].

Original NASA ASRS Text

Title: A Line Mechanic stated that ramp crew personnel found a broken tie bolt on the number 3 MLG. Mechanic notes he has recently seen a trend in broken tie bolts on B757's and A320's.

Narrative: The ramp crew reported that a company B757-200 had one broken tie bolt on the # 3 rear MLG (Main Landing Gear) wheel near the valve stem. Tire and wheel assembly were replaced per (Maintenance Manual) MM 32-45-01. No departure delay was incurred. I have noticed a trend in broken tie bolts lately on the A320 and B757 fleets. Broken bolt will be saved for [investigation].

Data retrieved from NASA's ASRS site as of April 2012 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.

A line mechanic stated that ramp crew personnel found a broken tie bolt on the number 3 medium large transport. Mechanic notes he has recently seen a trend in broken tie bolts on B757's and A320's.