Service difficulty report · Frame · Boeing 7377V3

Difficulty date
May 15, 2018
Submitted
June 5, 2018
Operation
Air carrier
Aircraft
N12754
Make and model
Boeing 7377V3
Aircraft serial
30464
Aircraft time
51,205 hours, 19,085 cycles
Part
Frame
Part number
146A1131
Condition
Cracked
Location
Bs 747
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

CRACKS FOUND AROUND THE RIVETS AT THE AC EXTRUSION SUPPORT BETWEEN STRINGERS 8 & 9R, BS 747. REPAIRED IAW EC 5310-04716, REV I, OP 001.

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