Service difficulty report · Support · 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
Support
Condition
Corroded
Location
Zone 200 Ceiling
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

AFT CARGO BS 1800-1840 RBL 57, CEILING SUPPORT FOUND CORRODED. THE CEILING SUPPORT WAS REPLACED IAW RI-53-60-18446, REV A. NO FURTHER DEFECTS NOTED.