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A flight crew reported that; while in flight; a smoke detector alarm in one of the lavatories activated. After consulting the appropriate checklists; confirming that there was no indication of smoke; fumes; or odors; and securing the lavatory; the decision was made to continue to the destination airport.
| Attributes | |
| ACN | 1286352 |
| Time | |
| Date | 201508 |
| Local Time Of Day | 1801-2400 |
| Place | |
| Locale Reference | ZZZ.ARTCC |
| State Reference | US |
| Environment | |
| Flight Conditions | VMC |
| Light | Dusk |
| Aircraft 1 | |
| Make Model Name | Large Transport Low Wing 2 Turbojet Eng |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Cruise |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Toilet Smoke Overheat Fire Detectors & Warning |
| Person 1 | |
| Function | Pilot Not Flying Captain |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Experience | Flight Crew Last 90 Days 262 |
| Person 2 | |
| Function | Pilot Flying First Officer |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Experience | Flight Crew Last 90 Days 242 Flight Crew Type 242 |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe Flight Deck / Cabin / Aircraft Event Other / Unknown |
Narrative:
Flight attendant (flight attendant) informed us that the aft lav smoke detector alarm was sounding. She stated that there was no smoke; fumes; or odors. The only complaint from the passengers was the noise of the alarm. Since there were no indications of a fire; we elected to continue. We looked at the smoke; fire; and fumes checklist in the QRH and decided to follow the guidance in the notes. We pulled the circuit breakers to silence the noise and prevent any possible problems. The other breakers were already pulled and collared. All radios were handled between communications with the fas; and no calls were missed. We closed down the lavatory for the remainder of the flight. We landed with no issues. No emergency was declared; no passengers were injured or complained; and we wrote up the problem and gave the plane to maintenance.
Original NASA ASRS Text
Title: A flight crew reported that; while in flight; a smoke detector alarm in one of the lavatories activated. After consulting the appropriate checklists; confirming that there was no indication of smoke; fumes; or odors; and securing the lavatory; the decision was made to continue to the destination airport.
Narrative: FA (Flight Attendant) informed us that the aft lav smoke detector alarm was sounding. She stated that there was no smoke; fumes; or odors. The only complaint from the passengers was the noise of the alarm. Since there were no indications of a fire; we elected to continue. We looked at the Smoke; Fire; and Fumes checklist in the QRH and decided to follow the guidance in the notes. We pulled the circuit breakers to silence the noise and prevent any possible problems. The other breakers were already pulled and collared. All radios were handled between communications with the FAs; and no calls were missed. We closed down the lavatory for the remainder of the flight. We landed with no issues. No emergency was declared; no passengers were injured or complained; and we wrote up the problem and gave the plane to Maintenance.
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.