Service difficulty report · Tension Tie · Boeing 747428F

Difficulty date
January 6, 2021
Submitted
January 25, 2021
Operation
Air carrier
Aircraft
N580UP
Make and model
Boeing 747428F
Aircraft serial
25632
Aircraft time
107,508 hours, 18,303 cycles
Part
Tension Tie
Part number
142U1023101
Condition
Cracked
Location
Sta 720
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: C3 CRACK WAS FOUND ON TENSION TIE (P/N : 142U1023-101) ON UPPER DECK NEAR LBL 100, STA 720.REPAIR, IAW 747-400F SRM 53-20-30 REPAIR 2 REV 90.00.