Service difficulty report · Forging · Boeing 747123

Difficulty date
November 2, 2000
Submitted
November 3, 2000
Operation
Air carrier
Aircraft
N675UP
Make and model
Boeing 747123
Aircraft serial
20390
Aircraft time
64,917 hours, 19,312 cycles
Part
Forging
Condition
Corroded
Location
Window Belt
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

INSPECTION TYPE:C, CORROSION FOUND UNDER MAIN DECK WINDOW FORGING AT BS 360 - 380 LT. WINDOW FORGING REMOVED, CORROSION REMOVED FROM SKIN DOUBLER AND STR 20 AND 22 IAW 51-10-01. CORROSION REMOVED FROM WINDOW FORGING IAW 56-20-01. STRINGER 22 REPAIRED IAW QUERY NOTE 14/2000.