Service difficulty report · Floorbeam · Boeing 74747UF

Difficulty date
May 29, 2021
Submitted
June 2, 2021
Operation
Air carrier
Aircraft
N493MC
Make and model
Boeing 74747UF
Aircraft serial
29254
Aircraft time
92,141 hours, 14,942 cycles
Part
Floorbeam
Condition
Corroded
Location
Bs 2280 Lbl 70
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

CORROSION ON FLOOR BEAM UPR CAP AT STA 2280. LBL 70(<P>REMOVE AFFECTED FASTENERS TO ACCESS IAW SRM 51-40-02 REV.91</P><P>REPAIRED DAMAGED AREA IAW SRM 53-00-51-2R-3 REPAIR3 REV.91 AND EI NO T2021A53M-1422 REV.2</P><P>INSTALL FASTENERS IAW SRM 51-40-02 REV.91 AND DWG NO 65B38694 SH3 REV.C J65B04051 SH 45 REV.A</P><P>COND CHK NORMAL.</P>)

More about the Boeing 747-47UF