Service difficulty report · Floorbeam · Boeing 74747UF

Difficulty date
June 24, 2022
Submitted
June 24, 2022
Operation
Air carrier
Aircraft
N498MC
Make and model
Boeing 74747UF
Aircraft serial
29259
Aircraft time
94,172 hours, 14,951 cycles
Part
Floorbeam
Condition
Corroded
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

CORROSION DAMAGES ON MAIN DECK FLOORBEAM UPPER CAP AT STA 2140, NEAR LBL 61 AND 83.5(<P>1) REMOVE AFFECTED FASTENERS IAW SRM 51-40-02 REV 94. 2) REPAIR DAMAGE AREA IAW SRM 53-00-51-2R-3 REPAIR 3 REV 94 AND EI T2022A53M-1696 REV 1. 3) INSTALL REPAIR PARTS IAW SRM 53-00-51-2R-3 REPAIR 3 REV 94 EI T2022A53M-1696 REV 1 AND DWG 65B38107 SH8 REV -. 4) JOB COMPLETED AND CONDITION CHECK NORMAL</P>)

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