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A lead mechanic reports he inadvertently replaced right wing fuel access panel 632MB on a B737-800 aircraft; instead of the left wing fuel access panel 532MB to address a deferred item for a fuel panel leaking.
| Attributes | |
| ACN | 997098 |
| Time | |
| Date | 201202 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | B737-800 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Parked |
| Component | |
| Aircraft Component | Fuel Tank |
| Person 1 | |
| Function | Lead Technician |
| Qualification | Maintenance Powerplant Maintenance Airframe |
| Experience | Maintenance Lead Technician 29 |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical Deviation - Procedural Published Material / Policy |
Narrative:
[I] addressed a deferred item on log page XXX [for] (fuel panel leaking). [I] replaced fuel tank access panel 632MB on right wing. [I] should have replaced 532MB on the left wing. [I] discovered the mistake shortly after changing panel 632MB. [I] replaced the correct panel 532MB and leak checked. Note: aircraft did not fly; mistake was discovered and corrected quickly. [Also] had three aircraft go out of service in the same time period. Had another aircraft with a problem on the right hand side and inadvertently confused the aircraft.
Original NASA ASRS Text
Title: A Lead Mechanic reports he inadvertently replaced right wing Fuel Access Panel 632MB on a B737-800 aircraft; instead of the left wing Fuel Access Panel 532MB to address a deferred item for a fuel panel leaking.
Narrative: [I] addressed a deferred item on Log page XXX [for] (fuel panel leaking). [I] replaced fuel tank Access Panel 632MB on right wing. [I] should have replaced 532MB on the left wing. [I] discovered the mistake shortly after changing panel 632MB. [I] replaced the correct panel 532MB and leak checked. Note: aircraft did not fly; mistake was discovered and corrected quickly. [Also] had three aircraft go out of service in the same time period. Had another aircraft with a problem on the right hand side and inadvertently confused the aircraft.
Data retrieved from NASA's ASRS site as of July 2013 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.