Service difficulty report · Floorbeam · Boeing 7377H4

Difficulty date
May 10, 2025
Submitted
June 10, 2025
Operation
Air carrier
Aircraft
N900WN
Make and model
Boeing 7377H4
Aircraft serial
32544
Aircraft time
57,299 hours, 34,643 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

REPAIR FUSELAGE BS986.5 UPPER FLOOR BEAM CAP CORROSION BLENDOUT EXTENDED ALLOWABLE DAMAGE 2025-309410<[01] TOOL USED ON STEP 1: ULTRASONIC THICKNESS GAGE; P/N:45MG; S/N:242232211; DUE DATE:14-NOV-25.;[02] REPAIRED FUSELAGE BS986.5 UPPER FLOOR BEAM CAP CORROSION BLEN DOUT EXTENDED ALLOWABLE DAMAGE M-21-153-00612 . SEE INDIVIDUAL SIGN-OFF BELOW;[03] REPAIRED FUSELAGE BS986.5 UPPER FLOOR BEAM CAP CORROSION BLEN DOUT EXTENDED ALLOWABLE DAMAGE M-21-153-00612 . SEE INDIVIDUAL SIGN-OFF BELOW

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