Service difficulty report · Structure · Boeing 747412F

Difficulty date
July 10, 2024
Submitted
July 11, 2024
Operation
Air carrier
Aircraft
N489MC
Make and model
Boeing 747412F
Aircraft serial
26553
Aircraft time
114,651 hours, 20,095 cycles
Part
Structure
Condition
Cracked
Location
Zone 200
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

CRACK ON SILL CHORD NEAR STA 320, WL 364, LH.(<P>1. REPAIR DAMAGE AREA IAW EI NO: T2024A53M-1493, REV 1 AND WORK SHEET NO: 40455 (SRM 53-10-07-2R-2, REV 101) 2. JOB COMPLETED AND CONDITION CHECK NORMAL.</P>)