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A canadair CL60-3R in cruise at FL390 experienced light smoke and fumes from the aft lavatory caused by an overheated water heater.
| Attributes | |
| ACN | 454799 |
| Time | |
| Date | 199911 |
| Day | Sun |
| Local Time Of Day | 0001 To 0600 |
| Place | |
| Locale Reference | airport : anc.airport |
| State Reference | AK |
| Altitude | msl single value : 39000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Controlling Facilities | artcc : zan.artcc |
| Operator | general aviation : corporate |
| Make Model Name | Challenger CL603/603a |
| Operating Under FAR Part | Part 91 |
| Navigation In Use | other |
| Flight Phase | cruise : level |
| Route In Use | enroute airway : j501.airway |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : corporate |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 120 flight time total : 5706 flight time type : 1920 |
| ASRS Report | 454799 |
| Person 2 | |
| Affiliation | company : corporate |
| Function | flight crew : first officer |
| Qualification | pilot : instrument pilot : multi engine pilot : commercial |
| Events | |
| Anomaly | aircraft equipment problem : critical other anomaly |
| Independent Detector | other other : 3 |
| Resolutory Action | flight crew : overcame equipment problem |
| Consequence | other |
| Supplementary | |
| Problem Areas | Aircraft |
| Primary Problem | Aircraft |
Narrative:
While en route to anc, one of our passenger noticed a light smoke and smell coming from our aft lavatory. The onboard mechanic went to investigate while the flight crew remained on station. Mechanic reported potable water heater was hot and advised crew that the heater appeared not to be shutting off properly. Crew elected to disable water heater and perform appropriate checklist. Smoke dissipated and flight continued to destination with no further incident. The aircraft was inspected by our mechanic on the ground at anc. It was determined the system was shut down and isolated. No other system were effected and the aircraft was airworthy once the aircraft was brought back to home base (sus) the aircraft was sent for further inspection and repair.
Original NASA ASRS Text
Title: A CANADAIR CL60-3R IN CRUISE AT FL390 EXPERIENCED LIGHT SMOKE AND FUMES FROM THE AFT LAVATORY CAUSED BY AN OVERHEATED WATER HEATER.
Narrative: WHILE ENRTE TO ANC, ONE OF OUR PAX NOTICED A LIGHT SMOKE AND SMELL COMING FROM OUR AFT LAVATORY. THE ONBOARD MECH WENT TO INVESTIGATE WHILE THE FLC REMAINED ON STATION. MECH RPTED POTABLE WATER HEATER WAS HOT AND ADVISED CREW THAT THE HEATER APPEARED NOT TO BE SHUTTING OFF PROPERLY. CREW ELECTED TO DISABLE WATER HEATER AND PERFORM APPROPRIATE CHKLIST. SMOKE DISSIPATED AND FLT CONTINUED TO DEST WITH NO FURTHER INCIDENT. THE ACFT WAS INSPECTED BY OUR MECH ON THE GND AT ANC. IT WAS DETERMINED THE SYS WAS SHUT DOWN AND ISOLATED. NO OTHER SYS WERE EFFECTED AND THE ACFT WAS AIRWORTHY ONCE THE ACFT WAS BROUGHT BACK TO HOME BASE (SUS) THE ACFT WAS SENT FOR FURTHER INSPECTION AND REPAIR.
Data retrieved from NASA's ASRS site as of July 2007 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.