Service difficulty report · Cowling · Boeing 747412F

Difficulty date
September 1, 2026
Submitted
September 1, 2026
Operation
Air carrier
Aircraft
N489MC
Make and model
Boeing 747412F
Aircraft serial
26553
Aircraft time
122,398 hours, 21,317 cycles
Part
Cowling
Condition
Cracked
Location
Nr 3 Nac
Stage of operation
IN
How discovered
U
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

NR 3L CORE COWL MOST UPPER EDGE MID AREA FOUND CRACKED. REPAIRED IAW RI-71-13-18452 REV B. NO FURTHER DEFECTS NOTED.