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A line aircraft maintenance technician (amt) reports about an unrecognized critical safety issue that exists for pilots to lose control of B757/B767 aircraft on approach; if the pilot seat shifts unexpectedly due to broken seat track lock control assemblies. Technician suspects the routine seat inspection task card is not sufficient to maintain adequate serviceability of crew seats.
| Attributes | |
| ACN | 1270457 |
| Time | |
| Date | 201506 |
| 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 | Pilot Seat |
| Person 1 | |
| Function | Technician |
| Qualification | Maintenance Airframe Maintenance Powerplant |
| Experience | Maintenance Technician 30 |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical |
Narrative:
Company B757-200 aircraft. Captain seat track lock assembly faulty. Potential exists for a pilot to loose control and wreck an airplane on approach when the seat shifts unexpectedly. [I am] requesting a directive requiring increased scruntiny of this critical mechanism on B757/B767 fleets. This is an unrecognized safety critical issue. I replaced the seat assembly june 2015. A routine inspection task card for the seat assembly is in use and I suspect this is not enough to prevent future accidents. In this example; the captain found the problem and made a log entry.
Original NASA ASRS Text
Title: A Line Aircraft Maintenance Technician (AMT) reports about an unrecognized critical safety issue that exists for pilots to lose control of B757/B767 aircraft on approach; if the pilot seat shifts unexpectedly due to broken Seat Track Lock Control assemblies. Technician suspects the routine seat inspection task card is not sufficient to maintain adequate serviceability of crew seats.
Narrative: Company B757-200 aircraft. Captain seat track lock assembly faulty. Potential exists for a pilot to loose control and wreck an airplane on approach when the seat shifts unexpectedly. [I am] requesting a directive requiring increased scruntiny of this critical mechanism on B757/B767 fleets. This is an unrecognized safety critical issue. I replaced the seat assembly June 2015. A Routine Inspection Task card for the seat assembly is in use and I suspect this is not enough to prevent future accidents. In this example; the Captain found the problem and made a log entry.
Data retrieved from NASA's ASRS site 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.