Service difficulty report · Stiffener · Boeing 747409

Difficulty date
September 26, 2018
Submitted
October 1, 2018
Operation
Air carrier
Aircraft
N780BA
Make and model
Boeing 747409
Aircraft serial
24310
Aircraft time
83,219 hours, 15,893 cycles
Part
Stiffener
Part number
65B1509612
Condition
Corroded
Location
Rt Mlg Ww
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 ANGLE RT SIDE WING L/G WHEEL WELL LONGERON BOX STRUCTURE ANGLE STA 1325, RBL 122 AND RBL 124 AREA. REMOVED CORROSION STIFFENER IAW ARM 51-40-02 REV 40. ACCOMPLISHED EI T2018P 53M-4453 REV 0. FABRICATED THE NEW PART. INSTALLED NEW PART IAW SRM 51-40-02 REV 40 AND DWG 65B15093 SHEET 3 REV H. JOB COMPLETED AND CONDITION CK NORMAL.