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A B767-300 was released for service with #7 and #8 wheel and tire assemblies replaced but omitting the axle spacers.
| Attributes | |
| ACN | 455671 |
| Time | |
| Date | 199911 |
| Day | Sat |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | agl single value : 0 |
| Environment | |
| Light | Daylight |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | B767-300 and 300 ER |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : maintenance ground : parked |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | maintenance : technician |
| Qualification | technician : powerplant technician : airframe |
| ASRS Report | 455671 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | maintenance : technician |
| Qualification | technician : powerplant technician : airframe |
| ASRS Report | 455672 |
| Events | |
| Anomaly | aircraft equipment problem : critical maintenance problem : improper maintenance non adherence : far non adherence : published procedure |
| Independent Detector | other other : 972 |
| Consequence | other other |
| Factors | |
| Maintenance | contributing factor : manuals contributing factor : schedule pressure performance deficiency : installation performance deficiency : repair performance deficiency : inspection |
| Supplementary | |
| Problem Areas | Aircraft Chart Or Publication Maintenance Human Performance |
| Primary Problem | Maintenance Human Performance |
Narrative:
On nov/xa/99 an 'a' check was performed on aircraft xyz. Main tires #6, #7, and #8 needed to be replaced for wear. I was involved in replacing the 3 wheel and tire assemblies. The aircraft was taxied to the gate. When on the gate, it was discovered that the #7 tire was flat. On investigation, the terminal mechanics found that the inner axle spacers were missing from tires #7 and #8. Upon hearing of the incident, the old tires were checked and the spacers were found stuck to the inner bearings.
Original NASA ASRS Text
Title: A B767-300 WAS RELEASED FOR SVC WITH #7 AND #8 WHEEL AND TIRE ASSEMBLIES REPLACED BUT OMITTING THE AXLE SPACERS.
Narrative: ON NOV/XA/99 AN 'A' CHK WAS PERFORMED ON ACFT XYZ. MAIN TIRES #6, #7, AND #8 NEEDED TO BE REPLACED FOR WEAR. I WAS INVOLVED IN REPLACING THE 3 WHEEL AND TIRE ASSEMBLIES. THE ACFT WAS TAXIED TO THE GATE. WHEN ON THE GATE, IT WAS DISCOVERED THAT THE #7 TIRE WAS FLAT. ON INVESTIGATION, THE TERMINAL MECHS FOUND THAT THE INNER AXLE SPACERS WERE MISSING FROM TIRES #7 AND #8. UPON HEARING OF THE INCIDENT, THE OLD TIRES WERE CHKED AND THE SPACERS WERE FOUND STUCK TO THE INNER BEARINGS.
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.