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Mechanics overlooked the tang wheel washer after changing the tire on a DC10-10 aircraft. It was discovered by the tire shop when fixing the tire, who in turn notified the field repair facility. The aircraft was located and the missing washer installed. Reporter mechanic is a&P rated and employed in the capacity of a technician.
| Attributes | |
| ACN | 350140 |
| Time | |
| Date | 199610 |
| Day | Thu |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : zzz |
| State Reference | US |
| Altitude | agl bound lower : 0 agl bound upper : 0 |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | DC-10 10 |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | Other |
| Flight Phase | other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | other personnel other |
| Qualification | other other : other |
| ASRS Report | 350140 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | other personnel other |
| Qualification | other other : other |
| ASRS Report | 350450 |
| Events | |
| Anomaly | aircraft equipment problem : less severe non adherence : published procedure other anomaly other |
| Independent Detector | other other : unspecified |
| Resolutory Action | none taken : detected after the fact |
| Consequence | Other |
| Supplementary | |
| Air Traffic Incident | other |
Narrative:
When assisting mechanic on removal of #2 rear main left gear tire that was worn, tang washer stuck to wheel bearing and was not installed with new tire. Washer was difficult to see, as noted by fellow mechanic and light level was low while changing tire on the ramp. The error was found when the unsvcable tire was being worked at ZZZ. Line controller was notified and write-up was generated. The discrepancy was repaired at XXX.
Original NASA ASRS Text
Title: MECHS OVERLOOKED THE TANG WHEEL WASHER AFTER CHANGING THE TIRE ON A DC10-10 ACFT. IT WAS DISCOVERED BY THE TIRE SHOP WHEN FIXING THE TIRE, WHO IN TURN NOTIFIED THE FIELD REPAIR FACILITY. THE ACFT WAS LOCATED AND THE MISSING WASHER INSTALLED. RPTR MECH IS A&P RATED AND EMPLOYED IN THE CAPACITY OF A TECHNICIAN.
Narrative: WHEN ASSISTING MECH ON REMOVAL OF #2 REAR MAIN L GEAR TIRE THAT WAS WORN, TANG WASHER STUCK TO WHEEL BEARING AND WAS NOT INSTALLED WITH NEW TIRE. WASHER WAS DIFFICULT TO SEE, AS NOTED BY FELLOW MECH AND LIGHT LEVEL WAS LOW WHILE CHANGING TIRE ON THE RAMP. THE ERROR WAS FOUND WHEN THE UNSVCABLE TIRE WAS BEING WORKED AT ZZZ. LINE CTLR WAS NOTIFIED AND WRITE-UP WAS GENERATED. THE DISCREPANCY WAS REPAIRED AT XXX.
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.