51.   Both companies described the recall as a preventive measure and said the defective part would be replaced free of charge.

52.   But a written order to replace the part was scratched out and replaced with a directive to re-evaluate the finding.

53.   Customers also have the option to choose if they want a part replaced or repaired.

54.   Five grueling days of spacewalking will follow to replace faltering parts and install the camera that should boost its discovery capability by tenfold.

55.   Following that test, mechanics recommended replacing the part, the Times said, citing federal officials and an Alaska employee who have seen the maintenance records.

56.   Had that measurement been any higher, the airline would have been required by its own FAA-approved rules to replace the part.

57.   He said he expected the Mir crew to reboot the computer within a day, and replace a part.

58.   He said there was a need to replace several parts in the sub-station and carry out routine inspections.

59.   However, when SAS was unable to contact the U.S. supplier of the items for further proof after the FAA warning, the airline replaced the parts.

60.   Iraq has managed so far by repairing equipment or replacing unusable parts with improvised spares.