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B737. A mechanic, then installing new brakes, misinstalled the hubcap. The hubcap fell off the aircraft.
| Attributes | |
| ACN | 641216 |
| Time | |
| Date | 200412 |
| Day | Sun |
| Local Time Of Day | 0001 To 0600 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | agl single value : 0 |
| Environment | |
| Light | Night |
| Aircraft 1 | |
| Make Model Name | B737 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : parked ground : maintenance |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | maintenance : technician |
| Qualification | technician : airframe technician : powerplant |
| Experience | maintenance technician : 4 |
| ASRS Report | 641216 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Events | |
| Anomaly | aircraft equipment problem : critical maintenance problem : improper maintenance non adherence : published procedure non adherence : company policies non adherence : far |
| Independent Detector | other flight crewa other other : 3 |
| Resolutory Action | none taken : detected after the fact |
| Consequence | other other |
| Factors | |
| Maintenance | contributing factor : schedule pressure contributing factor : work cards performance deficiency : non compliance with legal requirements performance deficiency : repair performance deficiency : inspection performance deficiency : installation |
| Supplementary | |
| Problem Areas | Maintenance Human Performance Company |
| Primary Problem | Maintenance Human Performance |
Narrative:
I worked on aircraft, a B737. 2 brakes were worn (#2 and #4) along with other maintenance items. When completing the service check on aircraft, a walkaround was done. Everything was intact. When coming back to work, I was informed that #4 cover to the hubcap had come off and flew several through-flts that day until the cover to the hubcap was discovered missing and was written up by a captain. The cover to the hubcap was recovered here in XXX by a fueler on the ramp. The aircraft arrived at destination, the cover was put back on #4 hubcap. In the future, I will doublechk my work, so this incident will not happen again.
Original NASA ASRS Text
Title: B737. A MECH, THEN INSTALLING NEW BRAKES, MISINSTALLED THE HUBCAP. THE HUBCAP FELL OFF THE ACFT.
Narrative: I WORKED ON ACFT, A B737. 2 BRAKES WERE WORN (#2 AND #4) ALONG WITH OTHER MAINT ITEMS. WHEN COMPLETING THE SVC CHK ON ACFT, A WALKAROUND WAS DONE. EVERYTHING WAS INTACT. WHEN COMING BACK TO WORK, I WAS INFORMED THAT #4 COVER TO THE HUBCAP HAD COME OFF AND FLEW SEVERAL THROUGH-FLTS THAT DAY UNTIL THE COVER TO THE HUBCAP WAS DISCOVERED MISSING AND WAS WRITTEN UP BY A CAPT. THE COVER TO THE HUBCAP WAS RECOVERED HERE IN XXX BY A FUELER ON THE RAMP. THE ACFT ARRIVED AT DEST, THE COVER WAS PUT BACK ON #4 HUBCAP. IN THE FUTURE, I WILL DOUBLECHK MY WORK, SO THIS INCIDENT WILL NOT HAPPEN AGAIN.
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.