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B757 captain reported returning to departure airport after a lavatory overhead light began to spark and smoke.
| Attributes | |
| ACN | 1327870 |
| Time | |
| Date | 201601 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | ZZZ.ARTCC |
| State Reference | US |
| Environment | |
| Flight Conditions | VMC |
| Aircraft 1 | |
| Make Model Name | B757 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Cruise |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Electrical Wiring & Connectors |
| Person 1 | |
| Function | Captain Pilot Not Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Experience | Flight Crew Last 90 Days 212 Flight Crew Type 246 |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe Flight Deck / Cabin / Aircraft Event Smoke / Fire / Fumes / Odor |
Narrative:
Twenty minutes after takeoff; at FL260; we received a call from the cabin that there was a loud snap; followed by sparks and an acrid smoke coming from the ceiling of the lavatory at door 2L. We were told that when the lavatory door was locked the sparks would continue; but stopped with the door lock not locked. The cabin had a good amount of smoke in it. We contacted dispatch and was patched to [maintenance]. [Maintenance] informed us that there were no cbs to pull to isolate the overhead lights of the lav. Concurrently we were running the smoke fire fumes qrc checklist; and diverted back to [departure airport]. An overweight landing was accomplished in accordance with the qrc overweight landing checklists.
Original NASA ASRS Text
Title: B757 Captain reported returning to departure airport after a lavatory overhead light began to spark and smoke.
Narrative: Twenty minutes after takeoff; at FL260; we received a call from the cabin that there was a loud snap; followed by sparks and an acrid smoke coming from the ceiling of the lavatory at door 2L. We were told that when the lavatory door was locked the sparks would continue; but stopped with the door lock not locked. The cabin had a good amount of smoke in it. We contacted dispatch and was patched to [maintenance]. [Maintenance] informed us that there were no CBs to pull to isolate the overhead lights of the lav. Concurrently we were running the Smoke Fire Fumes QRC checklist; and diverted back to [departure airport]. An overweight landing was accomplished in accordance with the QRC Overweight Landing Checklists.
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.