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Maintenance technician installed incorrect tire on 737-900 aircraft.
| Attributes | |
| ACN | 1673996 |
| Time | |
| Date | 201907 |
| Aircraft 1 | |
| Make Model Name | B737-900 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Parked |
| Person 1 | |
| Function | Technician |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe Deviation - Procedural Published Material / Policy Deviation - Procedural Maintenance |
Narrative:
While working midnight shift;I was assigned to work a tail lube task card. Upon completion of the tail lube task card I was approached by the lead technician and asked if I could assist another technician in replacing #2 medium large transport (main landing gear) tire. Prior to me beginning the task; a tire had been brought out to the aircraft. I gathered the required tooling and amm (airplane maintenance manual) reference and removed and replaced the #2 medium large transport wheel/tire assembly with another technician. While the other technician returned tooling; I filled out the paperwork and cleared the log page. Being [that] the new tire/wheel assembly was at the aircraft; I mistakenly assumed the correct tire/wheel assembly had been brought out.
Original NASA ASRS Text
Title: Maintenance Technician installed incorrect tire on 737-900 aircraft.
Narrative: While working midnight shift;I was assigned to work a tail lube task card. Upon completion of the tail lube task card I was approached by the Lead Technician and asked if I could assist another technician in replacing #2 MLG (Main Landing Gear) Tire. Prior to me beginning the task; a tire had been brought out to the aircraft. I gathered the required tooling and AMM (Airplane Maintenance Manual) Reference and removed and replaced the #2 MLG Wheel/Tire Assembly with another technician. While the other technician returned tooling; I filled out the paperwork and cleared the log page. Being [that] the new tire/wheel assembly was at the aircraft; I mistakenly assumed the correct tire/wheel assembly had been brought out.
Data retrieved from NASA's ASRS site 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.