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A B777-200ER was dispatched and operated in non compliance with 3 incorrect main landing gear tire and wheel assemblies installed.
| Attributes | |
| ACN | 603377 |
| Time | |
| Date | 200312 |
| Day | Wed |
| Local Time Of Day | 0001 To 0600 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | B777-200 |
| 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 |
| Experience | maintenance technician : 21 |
| ASRS Report | 603377 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | maintenance : technician |
| Events | |
| Anomaly | aircraft equipment problem : critical maintenance problem : improper documentation maintenance problem : improper maintenance non adherence : far non adherence : published procedure |
| Resolutory Action | none taken : detected after the fact |
| Consequence | other other |
| Factors | |
| Maintenance | contributing factor : schedule pressure performance deficiency : installation performance deficiency : scheduled maintenance performance deficiency : non compliance with legal requirements performance deficiency : logbook entry |
| Supplementary | |
| Problem Areas | Chart Or Publication Aircraft Maintenance Human Performance |
| Primary Problem | Maintenance Human Performance |
Narrative:
During shift, 3-SVC on a B777 'heavy' model, I and 2 other amt's found 3 tires worn past limits. One other amt got a tire out of hg tire rack and ordered the 2 other tires from stores to be delivered to aircraft. I and 2 other amt's installed tires per maintenance manual 32-45-01. Management wanted to move aircraft to the gate and the other 2 amt's weren't around, so I signed off the tires myself. Aircraft made 2 flts without any problems -- ZZZ to ZZZ1, ZZZ1 to ZZZ2. In ZZZ amt found tires to be wrong type and changed tires. The 3 tires had no problems, I was told on dec/wed/03.
Original NASA ASRS Text
Title: A B777-200ER WAS DISPATCHED AND OPERATED IN NON COMPLIANCE WITH 3 INCORRECT MAIN LNDG GEAR TIRE AND WHEEL ASSEMBLIES INSTALLED.
Narrative: DURING SHIFT, 3-SVC ON A B777 'HVY' MODEL, I AND 2 OTHER AMT'S FOUND 3 TIRES WORN PAST LIMITS. ONE OTHER AMT GOT A TIRE OUT OF HG TIRE RACK AND ORDERED THE 2 OTHER TIRES FROM STORES TO BE DELIVERED TO ACFT. I AND 2 OTHER AMT'S INSTALLED TIRES PER MAINT MANUAL 32-45-01. MGMNT WANTED TO MOVE ACFT TO THE GATE AND THE OTHER 2 AMT'S WEREN'T AROUND, SO I SIGNED OFF THE TIRES MYSELF. ACFT MADE 2 FLTS WITHOUT ANY PROBS -- ZZZ TO ZZZ1, ZZZ1 TO ZZZ2. IN ZZZ AMT FOUND TIRES TO BE WRONG TYPE AND CHANGED TIRES. THE 3 TIRES HAD NO PROBS, I WAS TOLD ON DEC/WED/03.
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.