SDR UIEA2025111801304

Service difficulty report · Beam · 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
System (JASC): 5710 · Wing Main, Frame Structure
Part: Beam
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

CORRODED BEAM, LT WING OUTBD L/E CAVITY LOWER PNL FWD SUPPORT BEAM INNER FACE, ILES 1377. REMOVED THE AFFECTED FASTENER IAW SRM 51-40-02-0G-0, REV 62. BLENDED OUT THE DAMAGED AREA IAW SRM 51-10-02-0G-0, REV 62. PERFORMED NDT INSPECTION, REFER TO JOB CARD ATTACHING SHEET 0462385 & DATA SHEET 1161833-1. ACCOMPLISHED EI T2025A57M-2324, REV 1, AND DWG 65B11862, SHEET 2 REV F.