Service difficulty report · Intercostal · Boeing 747341

Difficulty date
January 14, 2011
Submitted
February 24, 2011
Operation
Air carrier
Aircraft
N355MC
Make and model
Boeing 747341
Aircraft serial
23395
Aircraft time
74,043 hours, 14,432 cycles
Part
Intercostal
Condition
Corroded
Location
Bs 1940-1945
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

BULK CARGO STA 1940 - 1945 RBL 22.5. ANCHOR NUT UNDER SKIN CORRODED ON INTERCOSTAL. TO REMOVE NUT. REMOVE DAMAGE AND FIND LIMITS.(NUTS REMOVED. BLEND OUT DONE PER SRM 51-10-01. OUT OF SERVICEABLE LIMITS TO REPLACE INTERCOSTAL. INTERCOSTAL SPLICED AT STA 1970 TO 1920 PER SRM 53-10-07. ANCHOR NUTS INSTALLED PER SRM 51-30-02. SATISFACTORY)