Service difficulty report · Floorbeam · Boeing 73783N

Difficulty date
April 22, 2025
Submitted
April 23, 2025
Operation
Air carrier
Aircraft
N5113A
Make and model
Boeing 73783N
Aircraft serial
32611
Aircraft time
58,992 hours, 31,573 cycles
Part
Floorbeam
Condition
Corroded
Location
Zone 200
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

UPPER FUSELAGE FWD ENTRY CABIN AREA, STA 312 AT LBL1 AND LBL 8, UPPER CHORD AFT FLANGE WITH CORROSION.(<P>REPAIRED FUSELAGE FLOOR BEAM, STA 312, UPPER CHORD SECTION BETWEEN LBL 21 AND 12.25 I/A/W B-737-800 BCF SRM 53-10-51-2R-12 REPAIR 12 PARAG 1 THRU PARAG 4, FIGURE 207 ALTERNATIVE 1, CATEGORY A REPAIR, SRM REV 23 DATED: MAR 10-25. NO FURTHER DEFECTS NOTED</P>)

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