Narrative:

Cruising along on north atlantic tracks. Captain in crew rest seat. First officer and io in cockpit. In clouds with moderate turbulence and st elmo's fire. Strong fumes and smoke noticed in cockpit. Execute emergency procedures and call captain forward. When exiting clouds, turbulence, smoke, and fumes dissipate quickly. Captain declares emergency and we divert to yqx. At gander, mechanics search airplane for possible causes. Find none and after much consultation with air carrier maintenance and dispatch we agree to continue flight to lhr. During maintenance process, mechanic on duty has to call mechanic from home because first mechanic says he is unable to sign off aircraft maintenance logbooks. Second mechanic shows up, completes the maintenance review process and signs off logbook after consultation with maintenance. We did not ask maintenance if they were able to sign off ETOPS. Postflt analysis showed that he was not qualified to sign off ETOPS. Callback conversation with reporter revealed the following information: the reporter stated the fumes and smoke were present but no circuit breakers were tripped and everything operated normally. The reporter said the technicians inspected the aircraft and found no direct cause of the smoke and fumes. The reporter said the aircraft had no maintenance history and has flown for several months with no smoke or fumes reports.

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Original NASA ASRS Text

Title: AN AIRBUS 300 IN CRUISE AT FL320 DECLARED AN EMER AND DIVERTED DUE TO SMOKE AND FUMES IN COCKPIT, CAUSE UNKNOWN.

Narrative: CRUISING ALONG ON N ATLANTIC TRACKS. CAPT IN CREW REST SEAT. FO AND IO IN COCKPIT. IN CLOUDS WITH MODERATE TURB AND ST ELMO'S FIRE. STRONG FUMES AND SMOKE NOTICED IN COCKPIT. EXECUTE EMER PROCS AND CALL CAPT FORWARD. WHEN EXITING CLOUDS, TURB, SMOKE, AND FUMES DISSIPATE QUICKLY. CAPT DECLARES EMER AND WE DIVERT TO YQX. AT GANDER, MECHS SEARCH AIRPLANE FOR POSSIBLE CAUSES. FIND NONE AND AFTER MUCH CONSULTATION WITH ACR MAINT AND DISPATCH WE AGREE TO CONTINUE FLT TO LHR. DURING MAINT PROCESS, MECH ON DUTY HAS TO CALL MECH FROM HOME BECAUSE FIRST MECH SAYS HE IS UNABLE TO SIGN OFF ACFT MAINT LOGBOOKS. SECOND MECH SHOWS UP, COMPLETES THE MAINT REVIEW PROCESS AND SIGNS OFF LOGBOOK AFTER CONSULTATION WITH MAINT. WE DID NOT ASK MAINT IF THEY WERE ABLE TO SIGN OFF ETOPS. POSTFLT ANALYSIS SHOWED THAT HE WAS NOT QUALIFIED TO SIGN OFF ETOPS. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE RPTR STATED THE FUMES AND SMOKE WERE PRESENT BUT NO CIRCUIT BREAKERS WERE TRIPPED AND EVERYTHING OPERATED NORMALLY. THE RPTR SAID THE TECHNICIANS INSPECTED THE ACFT AND FOUND NO DIRECT CAUSE OF THE SMOKE AND FUMES. THE RPTR SAID THE ACFT HAD NO MAINT HISTORY AND HAS FLOWN FOR SEVERAL MONTHS WITH NO SMOKE OR FUMES RPTS.

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.