Service difficulty report · Doubler · Boeing 747443

Difficulty date
February 5, 2026
Submitted
February 5, 2026
Operation
Air carrier
Aircraft
N481MC
Make and model
Boeing 747443
Aircraft serial
32339
Aircraft time
91,419 hours, 11,972 cycles
Part
Doubler
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

LEFT WING INBD REAR SPAR OVERRIDE JETTISON PUMP TANK #2 FWD M222. REMOVE REWORKED DOUBLER IAW SRM 51-40-02-0G-0 REV R125. ACCOMPLISHED EI T2026A57M-113 REV 0 & W/S 69034 (DWG 65B19560 REV B). ACCOMPLISHED EI T2026A57M-113 REV 1. JOB COMPLETED AND CONDITION CHECK NORMAL