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
92,184 hours
Part
Floorbeam
Condition
Corroded
Location
Bs 2260 Rbl11.33
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 DAMAGE ON MAIN DECK FLOOR BEAM UPR CAP AT STA 2260 RBL 11.33(<P>REMOVE AFFECTED FASTENERS TO ACCESS IAW SRM 51-40-02 REV.91. </P><P>REPAIR DAMAGE AREA IAW 53-00-51-2R-3 REPAIR 3 REV.91</P><P>INSTALL FASTENERS IAW SRM 51-40-02 REV.91 AND DMG # 65B63533 SH2 REV.A; 65B38113 SH15 REV.A; 65B38113 SH16 REV.C; 65B38251 SH.62 REV.A; 65B38253 SH.1 REV.AP; 65B38251 SH.74 REV.A AND EI # T2021A53M-1459 REV.1</P><P>COND CK NORMAL</P>)

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