Service difficulty report · Floor Support · Boeing 74748EF

Difficulty date
October 27, 2022
Submitted
October 27, 2022
Operation
Air carrier
Aircraft
N419MC
Make and model
Boeing 74748EF
Aircraft serial
28367
Aircraft time
108,073 hours, 18,863 cycles
Part
Floor Support
Condition
Corroded
Location
Bs 400-460
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

U/D STA 400-460 LBL 20 - RBL 20 FLOOR BEAM FOUND CORROSION AT STA 406 TO STA 426 LBL 20(<P>CORROSION REMOVED AND REPROTECTED IAW SRM 51-10-02 AND 51-20-01 WITHIN SRM 53-00-01 ALLOWABLE DAMAGE 1 FIG 101 LIMITS</P>)

More about the Boeing 747-48EF