Service difficulty report · Frame · Boeing 747212B

Difficulty date
April 19, 2000
Submitted
May 12, 2000
Operation
Air carrier
Aircraft
N520UP
Make and model
Boeing 747212B
Aircraft serial
21943
Aircraft time
66,582 hours, 15,080 cycles
Part
Frame
Part number
20240063
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 44, UPPER DECK - CRACK IN FRAME WEB AT STR CUTOUT BS 480 STR 12 LT. REPAIR CARRIED OUT IAW SRM 53-10-04 FIG 22, AND APPROVED 8110-3 REP AIR. ALL ACTIVE CRACKS WERE ELIMINATED. REINFORCING DOUBLERS AND FILLERS WERE INSTALLED.

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