Service difficulty report · Longeron · Boeing 777323ER

Difficulty date
November 26, 2024
Submitted
November 26, 2024
Operation
Air carrier
Aircraft
N721AN
Make and model
Boeing 777323ER
Aircraft serial
31546
Aircraft time
46,779 hours, 5,364 cycles
Part
Longeron
Condition
Cracked
Location
Zone 200
Stage of operation
IN
How discovered
E
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

AIRCRAFT IN BASE MAINTENANCE: CRACK IN CENTER WING SECTION FRONT SPAR LEFT HAND UNDER WING LONGERON AT STA 1031, S36L. MODIFICATION OF CENTER WING SECTION FRONT SPAR LEFT HAND UNDER WING LONGERON WAS ACCOMPLISHED PER EO 5722B008. THIS ACCOMPLISHES BOEING SB 777-57A0122.