Service difficulty report · Floorbeam · Boeing 7377H4

Difficulty date
September 11, 2023
Submitted
October 6, 2023
Operation
Air carrier
Aircraft
N906WN
Make and model
Boeing 7377H4
Aircraft serial
36887
Aircraft time
51,081 hours, 29,796 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

CORROSION ON FLOOR BEAM AT AFT CABIN BS986 LBL43 WL208. MARKED.<[01] REPAIRED FLOOR BEAM PER EA 23-153-02817 AND SRM 53-70-51-2R-6;[02] VERIFIED CORRECTIVE ACTION 1;[03] VERIFIED MEASUREMENT TABLE

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