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An avionics mechanic reports that over half of the B747-400 aircraft he has done a-checks on have a problem with emergency egress lighting (eel) feeder cables shorting-out due to water collecting between the floor mat and the floor boards in the main galley.
| Attributes | |
| ACN | 930567 |
| Time | |
| Date | 201101 |
| Local Time Of Day | 1801-2400 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Aircraft 1 | |
| Make Model Name | B747-400 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Parked |
| Component | |
| Aircraft Component | Emergency Floor Lighting |
| Person 1 | |
| Function | Technician |
| Qualification | Maintenance Powerplant Maintenance Airframe Maintenance Avionics |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe Deviation - Procedural Published Material / Policy Deviation - Procedural Maintenance |
Narrative:
For several years many of our B747-400 aircraft have a problem with the feeder cable located in the main galley shorting-out several emergency egress lights (eel) due to water collecting between the black rubber mat and the floor boards [underneath].
Original NASA ASRS Text
Title: An Avionics Mechanic reports that over half of the B747-400 aircraft he has done A-Checks on have a problem with Emergency Egress Lighting (EEL) Feeder Cables shorting-out due to water collecting between the floor mat and the floor boards in the Main Galley.
Narrative: For several years many of our B747-400 aircraft have a problem with the Feeder Cable located in the Main Galley shorting-out several Emergency Egress Lights (EEL) due to water collecting between the black rubber mat and the floor boards [underneath].
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.