Service difficulty report · Spar · Boeing 767336

Difficulty date
June 30, 2025
Submitted
June 30, 2025
Operation
Air carrier
Aircraft
N700KW
Make and model
Boeing 767336
Aircraft serial
25443
Aircraft time
73,462 hours, 31,058 cycles
Part
Spar
Condition
Corroded
Location
Zone 600 Flap
Part time
73,462 hours, 31,058 cycles
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 DAMAGE HAS BEEN FOUND ON THE REAR SPAR LOWER CHORD OF THE INBOARD TRAILING EDGE FLAP ON THE RH WING. THE DAMAGE HAS BEEN CUT OUT TO REMOVE THE DAMAGED SECTION OF THE 2024-T3511 EXTRUDED TEE AND REPLACED WITH AN EQUIVALENT 2024-T3 EXTRUSION. THE REPAIR MEMBER IS SPLICED TO THE EXISTING LOWER CHORD USING 2024-T3 EXTRUDED ANGLES AT EACH END IN ACCORDANCE WITH SEMAN PERU SAC REPAIR DRAWING ED-2025-0005 (REF. 7).