Service difficulty report · Door Sill · Boeing 747443

Difficulty date
April 6, 2026
Submitted
April 8, 2026
Operation
Air carrier
Aircraft
N482MC
Make and model
Boeing 747443
Aircraft serial
32340
Aircraft time
95,733 hours, 12,829 cycles
Part
Door Sill
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 FOUND R1 DOOR UPPER SILL AFT TEE CRACK, BS 480, S-16R, WL 280. REMOVE THE DAMAGE TEE IAW SRM 51-40-02-0G-0 REV 126. FABRICATED PART IAW EI T2026A53M-564 REV 1. INSTALL FABRICATED PART IAW SRM 57-40-02-0G-0 REV 126 AND DWG 65B08301 SHEET 7 REV B.