Service difficulty report · Floorbeam · Boeing 7377BD

Difficulty date
January 7, 2024
Submitted
February 8, 2024
Operation
Air carrier
Aircraft
N7743B
Make and model
Boeing 7377BD
Aircraft serial
36718
Aircraft time
49,980 hours, 26,058 cycles
Part
Floorbeam
Part number
UNKNOWN
Condition
Corroded
Location
Bs 312 Lbl 14
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

KIGHT CORROSION ON FLOOR STRUCTURE AT BS 312 LBL14<[01] VERIFIED INSTALLATION.;[02] ACCOMPLISHED PERMANENTED REPAIR AT FLOOR BEAM UPPER CHORD STA 312 BETWEEN LBL 5 TO LBL 25 REF B737-700 SRM 53-10-051-2R-15 FIG 204 TABLE 201.;[03] (RII) FINAL INSPECTION; VERIFIED STEP #2.

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