Service difficulty report · Beam · Boeing 747412

Difficulty date
August 17, 2022
Submitted
August 23, 2022
Operation
Air carrier
Aircraft
N702CA
Make and model
Boeing 747412
Aircraft serial
27217
Aircraft time
84,651 hours, 13,117 cycles
Part
Beam
Condition
Cracked
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

DURING HEAVY MAINTENANCE VISIT, CRACKS WERE FOUND ON THE RIGHT HAND WING LEADING EDGE NO.15 FLAP LOWER BEAM (P/N: I 65B15502-48) AND NO.16 FLAP LOWER BEAM (P/N: 65B15502-46) ADJACENT TO ILES 514.56 AND ILES 543.93 RESPECTIVELY. THE PERMANENT REPAIRS WERE ACCOMPLISHED IN ACCORDANCE WITH FLIGHT VEHICLES CONSULTING, INC'S ENGINEERING ORDER 22125-2 REV 8, WHICH WAS APPROVED BY FAA FORM 8110-3 DATED ON AUGUST .12, 2022, DETAILS OF WORK WERE DOCUMENTED IN HAECO I XIAMEN'S NRC WKL7210 AND WKL7251.