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 1920-2000
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 2000 - 1920, ANCHOR NUTS UNDER SKIN CORRODED AT RBL 50 INTERCOSTAL. TO REMOVE NUT FOR DAMAGE REMOVAL DETERMINES LIMITS.(NUTS REMOVED AND BLENDOUT PLC SRM 51-10-01. AHCHOR NUT HOLES CORRODED THROUGH TO DO REPAIR AT STA 2000. REPAIR DONE PER SRM 53-10-07. PG 123 AT STA 2000 SATIS. NUTS INSTALLED PER SRM 51-30-02, SATIS.)