Service difficulty report · Spar Web · Boeing 747481

Difficulty date
May 5, 2025
Submitted
May 5, 2025
Operation
Air carrier
Aircraft
N263SG
Make and model
Boeing 747481
Aircraft serial
29263
Aircraft time
53,864 hours, 6,922 cycles
Part
Spar Web
Condition
Corroded
Location
Zone 100
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

CORROSION DAMAGE ON CENTER WINF REAR SPAR WEB LH SIDE NEAR JETTISON PUMP AT LBBL 90, STA 1240.(<P>1. BLENDED OUT THE DAMAGE AREA IAW SRM 51-10-02-0G-0 REV 123. 2. PFM NDT INSP REFER TO JOB CARD ATTACHING SHEET NO: 0447498 & DATA SHEET NO: 10851928-1; 10851928-2; 10851928-3. 3. ACCOMPLISHED EI NO: T2025A57M-668 REV 1. 4. JOB COMPLETED AND CONDITION CHECK NORMAL.</P>)