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A mechanic reports an emb-145 had an in-flight emergency due to a loss of their #1 hydraulic system fluid in flight. A hydraulic line was found loose in the nose landing gear (nlg) wheel well where the reporter had just completed cleaning corrosion from connectors for the electro-mechanical actuators.
| Attributes | |
| ACN | 884333 |
| Time | |
| Date | 201003 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | EMB ERJ 145 ER&LR |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Parked |
| Component | |
| Aircraft Component | Electrical Wiring & Connectors |
| Person 1 | |
| Function | Technician |
| Qualification | Maintenance Powerplant Maintenance Airframe |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical Deviation - Procedural Published Material / Policy |
Narrative:
Was given the task to clean minor corrosion off lh/rh electro-mechanical actuator in nose landing gear (nlg) wheel well in march 2010 around xa:30 on an emb-145. I was the only one involved in this event. At the time this event took place I was sure I was cleaning the corrosion off the right connectors in nlg for the lh/rh electro-mechanical actuator.during the investigation of in-flight emergency (ife) and the loose line found in the nlg; a review of all the maintenance that was performed in the nlg wheel well was conducted by quality assurance (qa). After this review it was brought to my attention that I cleaned off the wrong connectors in nlg wheel well. At time I was given this task; I was sure that I was cleaning the right [or correct] connectors.this event occurred because I cleaned corrosion off the wrong connectors in nlg wheel well for these electromechanical actuator connectors.
Original NASA ASRS Text
Title: A Mechanic reports an EMB-145 had an in-flight emergency due to a loss of their #1 hydraulic system fluid in flight. A hydraulic line was found loose in the nose landing gear (NLG) wheel well where the reporter had just completed cleaning corrosion from connectors for the electro-mechanical actuators.
Narrative: Was given the Task to clean minor corrosion off LH/RH Electro-mechanical Actuator in nose landing gear (NLG) wheel well in March 2010 around XA:30 on an EMB-145. I was the only one involved in this event. At the time this event took place I was sure I was cleaning the corrosion off the right connectors in NLG for the LH/RH electro-mechanical actuator.During the investigation of in-flight emergency (IFE) and the loose line found in the NLG; a review of all the maintenance that was performed in the NLG WHEEL WELL was conducted by Quality Assurance (QA). After this review it was brought to my attention that I cleaned off the wrong connectors in NLG wheel well. At time I was given this task; I was sure that I was cleaning the right [or correct] connectors.This event occurred because I cleaned corrosion off the wrong connectors in NLG wheel well for these electromechanical actuator connectors.
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.