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A B737-300 had #3 tire and wheel assembly replaced on overnight layover check. On termination of first flight; discovered #3 main hubcap missing.
| Attributes | |
| ACN | 658002 |
| Time | |
| Date | 200505 |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | agl single value : 0 |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | B737-300 |
| Operating Under FAR Part | Part 121 |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | maintenance : technician |
| Qualification | technician : powerplant technician : airframe |
| ASRS Report | 658002 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | maintenance : technician |
| Events | |
| Anomaly | aircraft equipment problem : critical maintenance problem : improper maintenance maintenance problem : improper documentation non adherence : far non adherence : published procedure non adherence : company policies |
| Independent Detector | other flight crewa |
| Resolutory Action | none taken : detected after the fact |
| Consequence | other other other |
| Factors | |
| Maintenance | contributing factor : lighting contributing factor : work cards performance deficiency : installation performance deficiency : logbook entry performance deficiency : inspection performance deficiency : scheduled maintenance performance deficiency : non compliance with legal requirements |
| Supplementary | |
| Problem Areas | Aircraft Maintenance Human Performance Chart Or Publication Environmental Factor |
| Primary Problem | Maintenance Human Performance |
Narrative:
Aircraft terminated in ZZZ1 for service check also had pressurization problem. I was assigned to the aircraft by routine overnight check lead. I started working and troubleshooting the pressurization problem and several other mechanics stopped by to help as is normal on routine overnight check shift. The #1 and #3 tires were worn and needed changing. I was working in the main wheel well at the keel beam area. I witnessed the tire being changed by mechanic X. I completed the logbook and signed for the right&right of the tire. I was informed may/fri/05 that the #3 hub cap was discovered missing in ZZZ2 on walkaround inspection by the crew. To my knowledge; the task was completed in accordance with the maintenance manual. I would like to add that mechanic X is familiar with the procedure; as it is a routine task!
Original NASA ASRS Text
Title: A B737-300 HAD #3 TIRE AND WHEEL ASSEMBLY REPLACED ON OVERNIGHT LAYOVER CHK. ON TERMINATION OF FIRST FLT; DISCOVERED #3 MAIN HUBCAP MISSING.
Narrative: ACFT TERMINATED IN ZZZ1 FOR SVC CHK ALSO HAD PRESSURIZATION PROB. I WAS ASSIGNED TO THE ACFT BY ROUTINE OVERNIGHT CHK LEAD. I STARTED WORKING AND TROUBLESHOOTING THE PRESSURIZATION PROB AND SEVERAL OTHER MECHS STOPPED BY TO HELP AS IS NORMAL ON ROUTINE OVERNIGHT CHK SHIFT. THE #1 AND #3 TIRES WERE WORN AND NEEDED CHANGING. I WAS WORKING IN THE MAIN WHEEL WELL AT THE KEEL BEAM AREA. I WITNESSED THE TIRE BEING CHANGED BY MECH X. I COMPLETED THE LOGBOOK AND SIGNED FOR THE R&R OF THE TIRE. I WAS INFORMED MAY/FRI/05 THAT THE #3 HUB CAP WAS DISCOVERED MISSING IN ZZZ2 ON WALKAROUND INSPECTION BY THE CREW. TO MY KNOWLEDGE; THE TASK WAS COMPLETED IN ACCORDANCE WITH THE MAINT MANUAL. I WOULD LIKE TO ADD THAT MECH X IS FAMILIAR WITH THE PROC; AS IT IS A ROUTINE TASK!
Data retrieved from NASA's ASRS site as of January 2009 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.