Service difficulty report · Support · Boeing 747412F

Difficulty date
July 4, 2020
Submitted
July 7, 2020
Operation
Air carrier
Aircraft
N489MC
Make and model
Boeing 747412F
Aircraft serial
26553
Aircraft time
99,899 hours, 17,681 cycles
Part
Support
Condition
Cracked
Location
Fuselage
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

BS 2598 B/H LT INNER CHORD AREA 1 EA CRACK FOUND ON THE FRAME SUPPORT (1ST LAYER COUNT FORM I/B) APPROX 1/8" IN DEPTH RUNNING FWD AT POSITION. STA 2598 UPPER CORNER LT FRAME SUPPORT FASTENER HOLE CRACK AREA REPAIRED IAW RI-53-00-14108 REV A AND RI-53-00-14110 REV A.