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Maintenance technician reported mechanic's tools were found in an engine cowling.
| Attributes | |
| ACN | 1515636 |
| Time | |
| Date | 201801 |
| Local Time Of Day | 0001-0600 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Light | Night |
| Aircraft 1 | |
| Make Model Name | Regional Jet 200 ER/LR (CRJ200) |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Parked |
| Flight Plan | IFR |
| Person 1 | |
| Function | Technician |
| Qualification | Maintenance Airframe Maintenance Powerplant |
| Events | |
| Anomaly | Deviation - Procedural Maintenance Deviation - Procedural Published Material / Policy |
Narrative:
Tools left in the left engine cowling. All of the correct tasks were being used [from the] CRJ200 aircraft maintenance manual (amm) tasks: lubrication of the thrust reverser ball-screw actuators; lubrication of the thrust reverser tracks and slider blocks; lubrication of the power drive unit lock-piston assembly; detailed inspection of the air turbine starter (ats) oil level. The incident could have only occurred inside of the hangar.I am being informed that on the night I was working with a sign behind technician and the sign behind may have left a socket and wrench inside of the engine cowling. I was completely unaware of any tooling left in the engine cowling until three days later. I do not know when exactly this had occurred; but it would have had to be when we were closing everything up on the left engine. I; myself; had just got off sign-behind; so I feel as if I lack the experience to really work with somebody else/sign behind them.
Original NASA ASRS Text
Title: Maintenance Technician reported mechanic's tools were found in an engine cowling.
Narrative: Tools left in the Left engine cowling. All of the correct tasks were being used [from the] CRJ200 Aircraft Maintenance Manual (AMM) tasks: Lubrication of the Thrust Reverser Ball-screw Actuators; Lubrication of the Thrust Reverser Tracks and Slider Blocks; Lubrication of the Power Drive Unit Lock-Piston Assembly; Detailed Inspection of the Air Turbine Starter (ATS) Oil Level. The incident could have only occurred inside of the hangar.I am being informed that on the night I was working with a sign behind Technician and the sign behind may have left a socket and wrench inside of the engine cowling. I was completely unaware of any tooling left in the engine cowling until three days later. I do not know when exactly this had occurred; but it would have had to be when we were closing everything up on the Left engine. I; myself; had just got off sign-behind; so I feel as if I lack the experience to really work with somebody else/sign behind them.
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.