Service difficulty report · Bolt

Difficulty date
July 9, 2010
Submitted
January 4, 2011
Operation
Air carrier
Part
Bolt
Part number
MS971408
Condition
Defective
Location
Dimensional
Stage of operation
IN
How discovered
9
Nature of condition
W
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

MS9714-11 BOLTS MIS- IDENTIFIED AS MS9714-08. - A ENGINE ASSEMBLY AREA RECENTLY IDENTIFIED A DISCREPANCY BETWEEN THE LENGTHS OF TWO BOLTS BOTH IDENTIFIED AS MS9714-08. IT WAS DETERMINED THAT THE LONGER OF THE TWO BOLTS MET THE DIMENSIONAL CRITERIA OF A MS9714-11 BUT HAD INCORRECTLY BEEN STAMPED AS MS9714-08. ALL STOCK HAS BEEN ADDRESSED BY MANUFACTURER AND APPROPRIATE DOCUMENTATION WILL BE RAISED TO INFORM OUR CUSTOMERS. MS9714-08 BOLTS NOT PLATED AS PER SPEC AMS9410. A RECENT MANUFACTURER INSPECTION OF BOLTS FOR THE MIS-IDENTIFICATION ISSUE, ALSO HIGHLIGHTED THE FACT THAT SOME OF THESE PARTS WERE MISSING THE APPROPRIATE SILVER PLATING AS PER AMS9410. VISUALLY, THE PARTS WERE FOUND TO HAVE FLAKING OF THE SILVER PLATING. ALL STOCK HAS BEEN ADDRESSED BY MANUFACTURER AND APPROPRIATE DOCUMENTATION WILL BE RAISED TO INFORM OUR CUSTOMERS.