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Flight crew of B777 declared emergency and diverted to ZZZ due to apparent smoke emanating from top of right wing. Determined 'smoke' was actually loose sealing material fragmenting in the slipstream.
| Attributes | |
| ACN | 579096 |
| Time | |
| Date | 200304 |
| Day | Tue |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | atc facility : zmp.artcc |
| State Reference | MN |
| Altitude | msl single value : 39000 |
| Environment | |
| Light | Night |
| Aircraft 1 | |
| Controlling Facilities | artcc : zmp.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | B777-200 |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | other |
| Flight Phase | cruise : level |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 50 flight time total : 8300 flight time type : 130 |
| ASRS Report | 579096 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Events | |
| Anomaly | aircraft equipment problem : less severe cabin event other other anomaly |
| Independent Detector | other other : person 3 |
| Resolutory Action | controller : issued new clearance flight crew : declared emergency flight crew : diverted to another airport flight crew : landed as precaution |
| Consequence | other other |
| Supplementary | |
| Problem Areas | Aircraft |
| Primary Problem | Aircraft |
Narrative:
During cruise, approximately 2 1/2 hours into a 5 hour flight, a passenger notified a flight attendant that she observed an unusual, smoking sight on the right wing. The flight attendant observed the same and notified the cockpit. I sent the first officer to check it out. He returned and recommended an immediate divert to landing because it did look like a burn and smoke from that area of the right wing. We declared an emergency with ZMP and diverted to ZZZ. We notified company. Landing uneventful. Postflt revealed seal material was protruding up into slipstream and producing smoke-like debris. Temporary repairs were made and the flight continued to destination.
Original NASA ASRS Text
Title: FLT CREW OF B777 DECLARED EMER AND DIVERTED TO ZZZ DUE TO APPARENT SMOKE EMANATING FROM TOP OF R WING. DETERMINED 'SMOKE' WAS ACTUALLY LOOSE SEALING MATERIAL FRAGMENTING IN THE SLIPSTREAM.
Narrative: DURING CRUISE, APPROX 2 1/2 HRS INTO A 5 HR FLT, A PAX NOTIFIED A FLT ATTENDANT THAT SHE OBSERVED AN UNUSUAL, SMOKING SIGHT ON THE R WING. THE FLT ATTENDANT OBSERVED THE SAME AND NOTIFIED THE COCKPIT. I SENT THE FO TO CHK IT OUT. HE RETURNED AND RECOMMENDED AN IMMEDIATE DIVERT TO LNDG BECAUSE IT DID LOOK LIKE A BURN AND SMOKE FROM THAT AREA OF THE R WING. WE DECLARED AN EMER WITH ZMP AND DIVERTED TO ZZZ. WE NOTIFIED COMPANY. LNDG UNEVENTFUL. POSTFLT REVEALED SEAL MATERIAL WAS PROTRUDING UP INTO SLIPSTREAM AND PRODUCING SMOKE-LIKE DEBRIS. TEMPORARY REPAIRS WERE MADE AND THE FLT CONTINUED TO DEST.
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.