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A B767-300 was dispatched in non compliance with a #4 main tire and wheel assembly installed incorrectly with the bearing spacer missing.
| Attributes | |
| ACN | 497281 |
| Time | |
| Date | 200101 |
| Day | Sat |
| 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 | |
| Operator | common carrier : air carrier |
| Make Model Name | B767-300 and 300 ER |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : parked ground : maintenance |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | maintenance : technician |
| Qualification | technician : airframe technician : powerplant |
| Experience | maintenance technician : 15 |
| ASRS Report | 497281 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | maintenance : lead technician |
| Qualification | technician : powerplant technician : airframe |
| Events | |
| Anomaly | aircraft equipment problem : critical maintenance problem : improper maintenance non adherence : published procedure non adherence : far |
| Independent Detector | other other : 969 |
| Consequence | other other |
| Factors | |
| Maintenance | contributing factor : lighting contributing factor : schedule pressure performance deficiency : installation performance deficiency : scheduled maintenance |
| Supplementary | |
| Problem Areas | Chart Or Publication Aircraft Maintenance Human Performance |
| Primary Problem | Maintenance Human Performance |
Narrative:
While changing a main landing gear tire (#4 forward), the spacer ring stuck on the bearing of the old tire. Installation of the new tire was completed without the spacer ring causing the tire, wheel, and brake assembly to be damaged beyond repair. The men changing this tire failed to use proper procedure in the manual and never checked for the spacer ring.
Original NASA ASRS Text
Title: A B767-300 WAS DISPATCHED IN NON COMPLIANCE WITH A #4 MAIN TIRE AND WHEEL ASSEMBLY INSTALLED INCORRECTLY WITH THE BEARING SPACER MISSING.
Narrative: WHILE CHANGING A MAIN LNDG GEAR TIRE (#4 FORWARD), THE SPACER RING STUCK ON THE BEARING OF THE OLD TIRE. INSTALLATION OF THE NEW TIRE WAS COMPLETED WITHOUT THE SPACER RING CAUSING THE TIRE, WHEEL, AND BRAKE ASSEMBLY TO BE DAMAGED BEYOND REPAIR. THE MEN CHANGING THIS TIRE FAILED TO USE PROPER PROC IN THE MANUAL AND NEVER CHKED FOR THE SPACER RING.
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.