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A line mechanic reports about an inadvertent deployment of a B757-200 ram air turbine (RAT) while troubleshooting a pilot report of an inoperative RAT push-button switch light.
| Attributes | |
| ACN | 910463 |
| Time | |
| Date | 201009 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | B757-200 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Parked |
| Component | |
| Aircraft Component | Hydraulic Auxiliary System Ram Air Turbine (RAT) |
| Person 1 | |
| Function | Technician |
| Qualification | Maintenance Airframe Maintenance Powerplant |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical Deviation - Procedural Published Material / Policy |
Narrative:
Crew reported RAT deployment push button switch light inoperative. During maintenance to correct inoperative RAT deployment switch; the ram air turbine (RAT) was deployed. Flight delay of 13 minutes was incurred and retract procedure of RAT completed per amm 29-21-00.
Original NASA ASRS Text
Title: A Line Mechanic reports about an inadvertent deployment of a B757-200 Ram Air Turbine (RAT) while troubleshooting a Pilot report of an inoperative RAT push-button switch light.
Narrative: Crew reported RAT Deployment push button switch light inoperative. During maintenance to correct inoperative RAT Deployment switch; the Ram Air Turbine (RAT) was deployed. Flight delay of 13 minutes was incurred and retract procedure of RAT completed per AMM 29-21-00.
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.