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2 emb aircraft were flown without a third battery and thus, unairworthy without the knowledge of the crew.
| Attributes | |
| ACN | 629411 |
| Time | |
| Date | 200409 |
| Day | Wed |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | MS |
| Altitude | agl single value : 0 |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | Embraer Jet Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| ASRS Report | 629411 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Events | |
| Anomaly | maintenance problem : improper maintenance |
| Independent Detector | other other : 3 |
| Resolutory Action | none taken : detected after the fact |
| Supplementary | |
| Problem Areas | Aircraft Maintenance Human Performance Flight Crew Human Performance |
| Primary Problem | Maintenance Human Performance |
Narrative:
It has come to my attention that I flew several emb jets that were not airworthy due to a missing third battery. Callback conversation with reporter revealed the following information: reporter was unaware that 3 batteries were ever on the aircraft of this type. He didn't know what it was for. Apparently the maintenance department discovered the battery's absence and the crews who flew the aircraft were notified of the inadvertent violation.
Original NASA ASRS Text
Title: 2 EMB ACFT WERE FLOWN WITHOUT A THIRD BATTERY AND THUS, UNAIRWORTHY WITHOUT THE KNOWLEDGE OF THE CREW.
Narrative: IT HAS COME TO MY ATTN THAT I FLEW SEVERAL EMB JETS THAT WERE NOT AIRWORTHY DUE TO A MISSING THIRD BATTERY. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: RPTR WAS UNAWARE THAT 3 BATTERIES WERE EVER ON THE ACFT OF THIS TYPE. HE DIDN'T KNOW WHAT IT WAS FOR. APPARENTLY THE MAINT DEPT DISCOVERED THE BATTERY'S ABSENCE AND THE CREWS WHO FLEW THE ACFT WERE NOTIFIED OF THE INADVERTENT VIOLATION.
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.