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Air taxi maintenance technician reported that the left hand thrust reverser message during takeoff resulted in an aborted takeoff.
| Attributes | |
| ACN | 1600188 |
| Time | |
| Date | 201812 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Aircraft 1 | |
| Make Model Name | Challenger 350 |
| Operating Under FAR Part | Part 135 |
| Flight Phase | Takeoff |
| Component | |
| Aircraft Component | Turbine Engine Thrust Reverser |
| Person 1 | |
| Function | Technician |
| Qualification | Maintenance Powerplant Maintenance Airframe |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical Deviation - Procedural Published Material / Policy Deviation - Procedural MEL Deviation - Procedural Maintenance |
Narrative:
Left reverser fail amber cas [crew alerting system] illuminated - after landing and deploying the thrust reversers; the left reverser fail cas message illuminated. Left TR [thrust reverser] would not stow. Repeat write up. Placed on MEL.[personnel] received a call from the crew; stating on takeoff roll the lh TR cas [left hand thrust reverser crew alerting system] appeared; the engine rolled back the spoilers deployed they aborted the to. They felt the lh TR that was just placed on MEL was not locked out per amm (aircraft maintenance manual) 78-30-00-040-802. I pulled the task up in the amm and the crew found two breakers A14 & A15 not collared; unsure if the pins were installed. [Maintenance control] requested the crew send in a new [write up] for the same defect; along with an aborted to (takeoff) item. Review with the tech the amm and MEL for deferring the TR on a CL350S.
Original NASA ASRS Text
Title: Air taxi maintenance technician reported that the Left Hand Thrust Reverser message during takeoff resulted in an aborted takeoff.
Narrative: L REVERSER FAIL Amber CAS [Crew Alerting System] Illuminated - After landing and deploying the thrust reversers; the L REVERSER FAIL CAS message illuminated. Left TR [Thrust Reverser] would not stow. Repeat write up. Placed on MEL.[Personnel] received a call from the crew; stating on takeoff roll the LH TR CAS [Left Hand Thrust Reverser Crew Alerting System] appeared; the engine rolled back the spoilers deployed they aborted the TO. They felt the LH TR that was just placed on MEL was not locked out per AMM (Aircraft Maintenance Manual) 78-30-00-040-802. I pulled the task up in the AMM and the crew found two breakers A14 & A15 not collared; unsure if the pins were installed. [Maintenance Control] requested the crew send in a new [write up] for the same defect; along with an aborted TO (Takeoff) item. Review with the tech the AMM and MEL for deferring the TR on a CL350S.
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.