Service difficulty report · Support · Boeing 747451

Difficulty date
December 31, 2011
Submitted
January 23, 2012
Operation
Air carrier
Aircraft
N663US
Make and model
Boeing 747451
Aircraft serial
23818
Aircraft time
95,626 hours, 12,445 cycles
Part
Support
Condition
Corroded
Location
Cargo Door
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

THREE CORROSION WERE FOUND ON UPPER SURFACE OF LINER SUPPORT STRUCTURE AT FWD CARGO DOOR BS 600-BS 670. REPAIR THE SUPPORT PER ER/A 496574-14. REPEAT INSPECTION PERER/A 496574-14 SECTION II IS TBD DEPENDING UPON BOEING'S COMPLETION OF SECOND STAGE APPROVAL. ORIG.MAT. 0.040" DAMAGE DIM. L 1.2" W 0.8" D 0.008" DUE DATE: 2012.08.28.