Service difficulty report · Structure · Boeing 747428

Difficulty date
August 6, 2026
Submitted
September 24, 2026
Operation
Air carrier
Aircraft
N756CA
Make and model
Boeing 747428
Aircraft serial
26547
Aircraft time
101,065 hours, 16,439 cycles
Part
Structure
Condition
Cracked
Part time
101,065 hours, 16,439 cycles
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

DURING FCD 744-53-0021 OPEN-HOLE HFEC INSPECTION. CRACK SIGNAL INDICATION AT STA 2590, RT UPPER 1EA HOLE. (CHORD) PER NDTM PART 6, 51-00-00 PROCEDURE 16 AND SB 747-53A2427 REV 7. INSTALLED REPAIR STRAPS ON THE BS 2598 FORWARD INNER CHORD FRAME SUPPORT PER SR MUA-MUA-26-0152-12B AND SRM 51-40-02.