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An incorrect entry was recorded in the maintenance computer by a mechanic working under extreme weather conditions.
| Attributes | |
| ACN | 867741 |
| Time | |
| Date | 201001 |
| Local Time Of Day | 0001-0600 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Light | Night |
| Aircraft 1 | |
| Make Model Name | B747-400 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Parked |
| Component | |
| Aircraft Component | Oxygen System/Crew |
| Person 1 | |
| Function | Technician |
| Qualification | Maintenance Airframe Maintenance Powerplant |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical Deviation - Procedural Published Material / Policy |
Narrative:
January 2010. While performing an engineering order on a B747-400 aircraft; the # 1 (oxygen) bottle was read as the crew bottle; along with the # 5 (oxygen) bottle serial number being recorded incorrectly. This meant there were only six inputs when there should have been seven inputs. The weather was freezing precipitation.
Original NASA ASRS Text
Title: An incorrect entry was recorded in the Maintenance Computer by a Mechanic working under extreme weather conditions.
Narrative: January 2010. While performing an Engineering Order on a B747-400 aircraft; the # 1 (Oxygen) bottle was read as the Crew bottle; along with the # 5 (Oxygen) bottle Serial Number being recorded incorrectly. This meant there were only six inputs when there should have been seven inputs. The weather was freezing precipitation.
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.