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A B767 nose wheel assembly spacer was not re-installed after the wheel was removed and replaced.
| Attributes | |
| ACN | 841269 |
| Time | |
| Date | 200906 |
| Local Time Of Day | 0001-0600 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Light | Night |
| Aircraft 1 | |
| Make Model Name | B767-300 and 300 ER |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Parked |
| Component | |
| Aircraft Component | Nose Gear |
| Person 1 | |
| Function | Technician |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical Deviation - Procedural Maintenance Deviation - Procedural Published Material / Policy |
Narrative:
While working aircraft I replaced left nose landing gear tire assembly. According to the tire shop supervisor I left off the wheel spacer while installing tire assembly. I followed the maintenance manual and thought I had installed the spacer. That night I had to accomplish left nose landing gear tire change; #3 main landing gear tire assembly; #2 engine external visual inspection check; aircraft overnight check. A day later my supervisor was ordered to check to see if the spacer was installed; they found it missing; installed a new spacer with no damage to the axle. I was informed of my mistake on the day after it was discovered at XA30 am. I might have been distracted when I found the tire gage showing low on the new tire; I proceeded to get a tire gage; check the pressure which was at the proper psi. The gage on the tire was faulty; this might have redirected my attention while I installed the new tire. I could swear I installed the spacer; but to my surprise I was wrong per the finding from my supervisor.
Original NASA ASRS Text
Title: A B767 nose wheel assembly spacer was not re-installed after the wheel was removed and replaced.
Narrative: While working aircraft I replaced left nose landing gear tire assembly. According to the Tire Shop Supervisor I left off the wheel spacer while installing tire assembly. I followed the maintenance manual and thought I had installed the spacer. That night I had to accomplish left nose landing gear tire change; #3 main landing gear tire assembly; #2 engine external visual inspection check; aircraft overnight check. A day later my supervisor was ordered to check to see if the spacer was installed; they found it missing; installed a new spacer with no damage to the axle. I was informed of my mistake on the day after it was discovered at XA30 am. I might have been distracted when I found the tire gage showing low on the new tire; I proceeded to get a tire gage; check the pressure which was at the proper PSI. The gage on the tire was faulty; this might have redirected my attention while I installed the new tire. I could swear I installed the spacer; but to my surprise I was wrong per the finding from my supervisor.
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.