Service difficulty report · Floorbeam · Boeing 7377H4

Difficulty date
December 15, 2020
Submitted
January 12, 2021
Operation
Air carrier
Aircraft
N729SW
Make and model
Boeing 7377H4
Aircraft serial
27861
Aircraft time
74,282 hours, 43,810 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

CORROSION ON BS 259.5 LATERAL BEAM AFT FLANGE UPPER SURFACE WL 208.1 LBL 10 TO RBL 10. CORROSION WAS FOUND TO BE OUT OF LIMITS ON BS 259.5 LATERAL BEAM AFT FLANGE UPPER SURFACE WL 208 LBL 10 TO RBL 10. THE AREA WAS REPAIRED, PER EA 20-153-02588 REV IR & ATS ER 20-03719 REV IR. 56040C 04JAN21.

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