NTSB makes safety recommendations to FAA.
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Press Release Summary:
According to NTSB, FAA should require all operators of Airbus single-aisle and Bombardier CL-600 airplanes to revise existing aircraft maintenance manual procedures and inspection documents to require dual inspection signoff to confirm that engine fan cowls are latched after completing engine maintenance that involves opening of engine fan cowl. Also, maintenance personnel should be required to inform flight crews when engine fan cowls have been opened before flight.
Original Press Release:
NTSB Safety Recommendations A-08-79 through -82
The National Transportation Safety Board recommends that the Federal Aviation Administration:
Require all operators of Airbus single-aisle and Bombardier CL-600 airplane models to revise existing aircraft maintenance manual procedures and maintenance inspection
documents to require a dual inspection signoff to confirm that engine fan cowls are latched after completing any engine maintenance that involves the opening of an engine
fan cowl. (A-08-79)
Require all operators of Airbus single-aisle and Bombardier CL-600 airplane models to require maintenance personnel to inform flight crews when engine fan cowls have been opened before flight. (A-08-80)
Require all operators of Airbus single-aisle and Bombardier CL-600 airplane models to provide guidance to maintenance personnel and flight crews on how to inspect engine fan
cowls to verify that they are latched properly. (A-08-81)
Determine the extent of the problem of engine fan cowl separations on all airplanes and, should a widespread problem exist for any airplanes, require operators of those
airplanes to include a dual inspection signoff in their maintenance procedures to confirm that engine fan cowls are latched after completing any engine maintenance that
involves the opening of an engine fan cowl. (A-08-82)
http://ntsb.gov/Recs/letters/2008/A08_79_82.pdf
The complete recommendation letter is available on the Web at the URL indicated above.
The letter is in the Portable Document Format (PDF) and can be read using the Acrobat Reader 5.0 or later from Adobe (http://www.adobe.com/prodindex/acrobat/readstep.html).
An archive of recommendation letters is available at http://www.ntsb.gov/recs/letters/letters.htm.
Electronic versions of letters may or may not include enclosures; however, related publications, accident briefs, and aviation accident synopses may be found on the NTSB website.
