Service difficulty report · Doubler · Boeing 747121

Difficulty date
March 26, 2004
Submitted
April 14, 2004
Operation
Air carrier
Aircraft
N683UP
Make and model
Boeing 747121
Aircraft serial
20353
Aircraft time
84,505 hours, 20,783 cycles
Part
Doubler
Part number
7075T60071IN
Condition
Cracked
Location
Fuselage
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, M/D - BS 270 LEFT VERTICAL WEB FOUND CRACKED AT I/B CHORD AREA AT STR 26. VERTICAL WEB DOUBLER REPAIRED AS PER SRM 51-40-02 FIG 1.