Service difficulty report · Frame · Boeing 747212B

Difficulty date
April 17, 2000
Submitted
May 11, 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
2024T3063
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, FUSELAGE FRAME WEB IS CRACKED AT CUT OUT FOR STR AT BS 420 STR 11 LT. REPAIR CARRIED OUT IAW SRM 53-10-04, AND APPROVED 8110-3 AS DETAILED. THESE CRACKED FRAMES WERE REPAIRED BY STOP DRILLING CRACKS AND INSTALLING REPAIR DOUBLERS.

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