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After working alone all night in hot weather on #2 engine of a erj-170 aircraft; mechanic reports going home and sleeping; but waking up with a bad thought about never putting his hammer back in his tool box. Returning to work; he could not find hammer. Supervisor notified about hammer possibly left in engine compartment.
| Attributes | |
| ACN | 958829 |
| Time | |
| Date | 201107 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Light | Dawn |
| Aircraft 1 | |
| Make Model Name | EMB ERJ 170/175 ER&LR |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Parked |
| Component | |
| Aircraft Component | Pneumatic Valve/Bleed Valve |
| Person 1 | |
| Function | Technician |
| Qualification | Maintenance Airframe Maintenance Powerplant |
| Events | |
| Anomaly | Deviation - Procedural Published Material / Policy |
Narrative:
[I] was changing a bleed valve and checking another check valve on #2 engine. I was the only one working this erj-170 airplane until my shift ended early in the morning. This is the second time doing this job and was having problems with some clamps. [I] left a hammer in the engine compartment. [I] had a bad thought after coming home and sleeping about never putting hammer in tool box. Went to work [that night] to check tool box; never found hammer; so I told supervisor about the lost tool. Plane is to overnight in ZZZ and he would notify night shift supervisor about lost tool. Suggest having a second set of eyes before closing engine cowls.
Original NASA ASRS Text
Title: After working alone all night in hot weather on #2 engine of a ERJ-170 aircraft; Mechanic reports going home and sleeping; but waking up with a bad thought about never putting his hammer back in his tool box. Returning to work; he could not find hammer. Supervisor notified about hammer possibly left in engine compartment.
Narrative: [I] was changing a bleed valve and checking another check valve on #2 engine. I was the only one working this ERJ-170 airplane until my shift ended early in the morning. This is the second time doing this job and was having problems with some clamps. [I] left a hammer in the engine compartment. [I] had a bad thought after coming home and sleeping about never putting hammer in tool box. Went to work [that night] to check tool box; never found hammer; so I told Supervisor about the lost tool. Plane is to overnight in ZZZ and he would notify night shift Supervisor about lost tool. Suggest having a second set of eyes before closing engine cowls.
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.