I'm trying to track down this, to add better sources to Wikipedia:
    
    http://www.reddit.com/r/science/comments/85clw/why_mercury_is_forbidden_aboard_airplanes/c08ahms

    


References on Wikipedia:

    http://en.wikipedia.org/wiki/Liquid_metal_embrittlement
    http://en.wikipedia.org/wiki/Aluminium_amalgam
    http://en.wikipedia.org/wiki/Mercury_(element)#Mercury_and_aluminium




Google Book searches

    "mercury paste" aluminum            -- nothing found





Incidents of mercury spills on planes

        http://www.rgj.com/apps/pbcs.dll/article?AID=200990315020
        http://www.rgj.com/article/20090316/NEWS/903160320/1321
        http://www.kolotv.com/home/headlines/41324877.html
            March 15, 2009
            at Reno-Tahoe International Airport
            only spilled onto the loading bridge?


        http://www.flightglobal.com/articles/1997/11/26/29990/polar-resurrects-747-freighter.html
            model: Boeing 747-200F
            built: 1979
            operator: Southern Air Transport
            [written off by insurance, but then repaired and is now flying]


        http://www.smiliner.com/news/2004.shtml#0405
        http://www.pprune.org/rumours-news/128010-mercury-spillage-belfast-airport.html
            registration: G-BTUY
            incident-date: April 26, 2004
            model: BAe 146
            operating from Birmingham to Belfast
            result:  scrapped?

        http://www.airliners.net/photo/Air-Niugini/Fokker-100-(F-28-0100)/1132825&tbl=&photo_nr=4&sok=&sort=&prev_id=1149114&next_id=0610927
        http://www.airliners.net/photo/Untitled/Fokker-100-(F-28-0100)/1266619/L/&tbl=&photo_nr=4&sok=&sort=&prev_id=1339618&next_id=0664950
            registration: P2-ANA
            model: Fokker 100
            ser#: 11358
            operator: Air Niugini
            2006


Incidents of similar chemical spills

    http://aviation-safety.net/database/record.php?id=20000315-0&lang=en
        9M-MKB
        [[oxalyl chloride]]
        result: scrapped