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Medium large transport at FL350 hears unusual noises, then smoke in cabin. Turns off pack and declares emergency.
| Attributes | |
| ACN | 336500 |
| Time | |
| Date | 199605 |
| Day | Mon |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | atc facility : cha |
| State Reference | TN |
| Altitude | msl bound lower : 35000 msl bound upper : 35000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Controlling Facilities | artcc : ztl |
| Operator | common carrier : air carrier |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | Other Other |
| Flight Phase | cruise other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : flight engineer pilot : commercial pilot : cfi pilot : instrument |
| Experience | flight time last 90 days : 150 flight time total : 7000 flight time type : 1600 |
| ASRS Report | 336500 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | aircraft equipment problem : critical other anomaly other |
| Independent Detector | other flight crewa other other : unspecified |
| Resolutory Action | flight crew : declared emergency other |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Aircraft |
Narrative:
Flight en route pit-msy. Level at FL350. Began to hear unusual noises. Suspected a pack problem. Flight attendants reported noise and then smelling something. Declared emergency when cabin began to fill with smoke. Turned right pack off (side the noise was coming from) and descended. Coordinated with ATC and landed at nearest airport, which was cha. Smoke subsided once pack turned off. Landed without further incident.
Original NASA ASRS Text
Title: MLG AT FL350 HEARS UNUSUAL NOISES, THEN SMOKE IN CABIN. TURNS OFF PACK AND DECLARES EMER.
Narrative: FLT ENRTE PIT-MSY. LEVEL AT FL350. BEGAN TO HEAR UNUSUAL NOISES. SUSPECTED A PACK PROB. FLT ATTENDANTS RPTED NOISE AND THEN SMELLING SOMETHING. DECLARED EMER WHEN CABIN BEGAN TO FILL WITH SMOKE. TURNED R PACK OFF (SIDE THE NOISE WAS COMING FROM) AND DSNDED. COORDINATED WITH ATC AND LANDED AT NEAREST ARPT, WHICH WAS CHA. SMOKE SUBSIDED ONCE PACK TURNED OFF. LANDED WITHOUT FURTHER INCIDENT.
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.