Service difficulty report · Strap · Boeing 747409

Difficulty date
November 20, 2025
Submitted
November 21, 2025
Operation
Air carrier
Aircraft
N249BA
Make and model
Boeing 747409
Aircraft serial
24309
Aircraft time
88,550 hours, 16,833 cycles
Part
Strap
Part number
65B016877
Condition
Corroded
Location
Zone 500
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 ON STRAP NEAR UPPER FACE OF LT WING L/E UPPER FIXED PANEL, OLES 1487. REMOVED DAMAGED PART IAW SRM 51-40-02-0G-0 REV 62. INSTALLED NEW PART IAW SRM 51-40-02-0G-0 REV 62 & DWG 65B10636, SHEET 3, REV A, DWG 112U3003, SHEET 1, REV A, DWG 65B10637, SHEET 3, REV E, AND DWG 65B14961, SHEET 2, REV C.