Service difficulty report · Floorbeam · Boeing 73776N

Difficulty date
November 14, 2023
Submitted
December 15, 2023
Operation
Air carrier
Aircraft
N7722B
Make and model
Boeing 73776N
Aircraft serial
32668
Aircraft time
55,418 hours, 28,473 cycles
Part
Floorbeam
Part number
UNKNOWN
Condition
Corroded
Location
Zn 100 Fus Lower
Stage of operation
IN
How discovered
9
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

MAIN CABIN FWD WET AREA CORROSION AT FLOOR BEAM UPPER SURFACE STA 294.5 LBL 12'<[01] STRUCTURAL REPAIR WILL BE ACCOMPLISHED ON FOULT# TTG8Q00PMG88 AT FLOOR BEAM UPPER CHORD STA 294.5 BETWEEN LBL 25 AND RBL 21; THUS CORROSION AT THIS LOCATION WILL BE COVERED BY THE AFORE MENTIONED REPAIR. NO FURTHER ACTION REQUIRED.;[02] CORROSION IS ON THE PORTION OF THE UPPER CHORD TO BE REPLACED ON TTG8Q00PMG88

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