Moody's: Prolonged 787 Review Is Credit Negative for Boeing

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In his note, Solomon wrote: "This process will take more time, something that does not work in Boeing's favor. The longer it takes to identify the factors behind the battery failure and the systems designed to protect against fire, the longer it will take to implement satisfactory safeguards to prevent a recurrence."

Solomon called six months "an inflection point."

He would be troubled, he said, "once you get past six months of not having some resolution and not knowing it won't cause billions of dollars to fix." At that point, a perception of credit risk could lead to a negative outlook, rather than just a perception that a particular event is credit negative.

-- Written by Ted Reed in Charlotte, N.C.

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