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A mechanic reports that after changing the left engine compartment perimeter seals on a saab sf-340; the aircraft returned to the airport. A check valve was found installed backwards.
| Attributes | |
| ACN | 854210 |
| Time | |
| Date | 200906 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | SF 340B |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Parked |
| Component | |
| Aircraft Component | Pneumatic Valve/Bleed Valve |
| Person 1 | |
| Function | Technician |
| Qualification | Maintenance Powerplant Maintenance Airframe |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical Deviation - Procedural FAR Deviation - Procedural Published Material / Policy |
Narrative:
June 2009; I was changing the left engine compartment perimeter seals; in accordance with (in accordance with) job card and amm chapter 36-10. I accidentally installed the check valve backwards. I misunderstood the pictures on the last page of the job card. I was made aware of what I have done by three maintenance personnel about ten days later; and the problems that have come of my actions and what could have happened. I was also given a written warning. I believe that; there should be (engine) runs added to the job card or the (check) valve should be a rii item.
Original NASA ASRS Text
Title: A Mechanic reports that after changing the left engine compartment perimeter seals on a Saab SF-340; the aircraft returned to the airport. A Check valve was found installed backwards.
Narrative: June 2009; I was changing the left engine compartment perimeter seals; in accordance with (IAW) Job Card and AMM Chapter 36-10. I accidentally installed the Check Valve backwards. I misunderstood the pictures on the last page of the Job Card. I was made aware of what I have done by three Maintenance personnel about ten days later; and the problems that have come of my actions and what could have happened. I was also given a written warning. I believe that; there should be (engine) runs added to the Job Card or the (Check) valve should be a RII item.
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.