Service difficulty report · Floorbeam · Boeing 7378H4

Difficulty date
December 11, 2023
Submitted
January 10, 2024
Operation
Air carrier
Aircraft
N8557Q
Make and model
Boeing 7378H4
Aircraft serial
63582
Aircraft time
20,011 hours, 10,087 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

AFT PASSENGER COMPARTMENT WET AREA LAV MOUNT ATTACH FITTIMG HAS CORROSION COMMOM TO FRAM 947.5; RBL 23; WL 208<[01] REMOVED AND REPAIRED DAMAGES FLANGE OF THE FLOOR BEAM BS947 RBL 2-RBL 47 WL208 I.A.W SRM 53-70-51-2R-5 REPAIR 5;[02] VERIFIED CORRECTIVE ACTION 1 AND MEASEUREMENT TABLE

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