Service difficulty report · Channel · Boeing 747481

Difficulty date
March 26, 2016
Submitted
March 29, 2016
Operation
Air carrier
Aircraft
N263SG
Make and model
Boeing 747481
Aircraft serial
29263
Aircraft time
48,655 hours, 6,011 cycles
Part
Channel
Condition
Corroded
Location
Lt Wing
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, LT WING LE CAVITY INSIDE, LOWER PANEL UPPER SURFACE, UPPER CHANNEL SURFACE CORROSION, OLES 1550. BLENDED OUT THE DAMAGE AREA L X W X D = 0.9" X 0.005", WHICH WAS ALLOWABLE LIMIT IAW SRM 57-00-03-1A-1. ALLOWABLE DAMAGE I FIG 101 DETAIL II REV 96 & 2. DETAIL DATE IAW TO JC ATTACHING SHEET NO 0050653 & 3. APPLY PROTECTIVE TREATMENT & PRIMER IAW SRM 51-20-01 REV 96 & 4. JOB COMPLETED & CONDITION CHECKED NORMAL.