Service difficulty report · Stringer · Boeing 747341

Difficulty date
January 11, 2011
Submitted
February 23, 2011
Operation
Air carrier
Aircraft
N355MC
Make and model
Boeing 747341
Aircraft serial
23395
Aircraft time
74,044 hours, 14,432 cycles
Part
Stringer
Condition
Corroded
Location
Bs 1721 S40l
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

AFT CARGO BS 1721 S40L, STRINGER BASE CORRODED. TO REMOVE FASTENERS AND FREE STRINGER FOR CORROSION REMOVAL.(FASTENERS REMOVED, TO DETERMINE EXTENT OF DAMAGE. BLENDED PER SRM 51-10-01. MATERIAL THICKNESS = 0.090. REMAINING THICKNESS 0.04" OUT OF LIMITS PER SRM 53-10-01. STRINGER REPAIR PARTS FABRICATED PER SRM 53-10-03. SPLICE, STIFFENERS AND CLIPS INSTALLED PER SRM 51-30-02 SATIS.