Service difficulty report · Frame · Boeing 747121

Difficulty date
July 25, 2005
Submitted
August 3, 2005
Operation
Air carrier
Aircraft
N683UP
Make and model
Boeing 747121
Aircraft serial
20353
Aircraft time
87,225 hours, 21,374 cycles
Part
Frame
Condition
Cracked
Location
Blg W/W
Stage of operation
IN
How discovered
9
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, LT BLG WW LT STA 1416 FRAME FOUND CRACKED IN BTN STR 29 AND STR 30, CRACK LENGTH 0.25". LT BLG W/W LT BS 1416 BETWEEN STR 29 AND 30 FRAME REPAIRED AS PER SRM 53-10-04 FIG 4.