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Maintenance technician reports that an A320 he was assigned to repair has had 45 prior instances where the R41 aft galley oven circuit breaker trips for no apparent reason.
| Attributes | |
| ACN | 898507 |
| Time | |
| Date | 201006 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Aircraft 1 | |
| Make Model Name | A320 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Parked |
| Component | |
| Aircraft Component | Circuit Breaker / Fuse / Thermocouple |
| Person 1 | |
| Function | Technician |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe |
Narrative:
I have been keeping track of this aircraft. The aft galley oven R41 circuit breaker trips repeatedly. Originally made a deferral in june 2010 for galley oven R41 popping. It was signed off. Accomplishing deeper research I found in the past year that this oven has had 45 hits where the R41 oven has popped its circuit breaker. The oven was just replaced again in july for R41 circuit breaker popping. It is not the oven.
Original NASA ASRS Text
Title: Maintenance Technician reports that an A320 he was assigned to repair has had 45 prior instances where the R41 aft galley oven circuit breaker trips for no apparent reason.
Narrative: I have been keeping track of this aircraft. The aft galley oven R41 Circuit Breaker trips repeatedly. Originally made a deferral in June 2010 for galley oven R41 popping. It was signed off. Accomplishing deeper research I found in the past year that this oven has had 45 hits where the R41 oven has popped its circuit breaker. The oven was just replaced again in July for R41 Circuit Breaker popping. It is not the oven.
Data retrieved from NASA's ASRS site as of April 2012 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.