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A distracted and overworked md-80 mechanic forgot to close the nose gear door following a maintenance procedure the previous evening. After takeoff the next morning a severe hydraulic system shudder during gear retraction caused the flight crew to lower the gear and return to the departure airport.
| Attributes | |
| ACN | 1278430 |
| Time | |
| Date | 201507 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | MD-80 Series (DC-9-80) Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Initial Climb |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Nose Gear Door |
| Person 1 | |
| Function | Technician |
| Qualification | Maintenance Airframe Maintenance Powerplant |
| Person 2 | |
| Function | Pilot Flying Captain |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Experience | Flight Crew Total 18000 |
| Events | |
| Anomaly | Deviation - Procedural Maintenance Deviation - Procedural Published Material / Policy |
Narrative:
Called out to aircraft had several items. Began with nose gear steering problem; removed tow bar steering pin; opened gear doors; [the] other mechanic upstairs turned on hydraulic moved tiller; checked nose gear for proper operation; inspected tires wheels deflectors; all nose gear components; all checks good. Went upstairs to see if anything was felt on tiller became distracted with several interior items and forgot to close doors. Shorthanded; distracted with interior items trying to save boarding time.needed to stay on job I started. No excuses. Made mistake trying to do too many tasks at once.
Original NASA ASRS Text
Title: A distracted and overworked MD-80 Mechanic forgot to close the nose gear door following a maintenance procedure the previous evening. After takeoff the next morning a severe hydraulic system shudder during gear retraction caused the flight crew to lower the gear and return to the departure airport.
Narrative: Called out to aircraft had several items. Began with nose gear steering problem; removed tow bar steering pin; opened gear doors; [the] other mechanic upstairs turned on hydraulic moved tiller; checked nose gear for proper operation; inspected tires wheels deflectors; all nose gear components; all checks good. Went upstairs to see if anything was felt on tiller became distracted with several interior items and forgot to close doors. Shorthanded; distracted with interior items trying to save boarding time.Needed to stay on job I started. No excuses. Made mistake trying to do too many tasks at once.
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.