Service difficulty report · Floorbeam · Boeing 7378H4

Difficulty date
April 11, 2022
Submitted
May 11, 2022
Operation
Air carrier
Aircraft
N8626B
Make and model
Boeing 7378H4
Aircraft serial
36894
Aircraft time
27,450 hours, 12,465 cycles
Part
Floorbeam
Condition
Corroded
Location
Fuselage
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 UPPER SURFACE STA 947.5 LBL 24 UNDER LAV MOUNT / [01] BLENDED SURFACE CORROSION ON UPPER CHORD OF FLOOR BEAM AT STA. 947.5; LBL 24? PER SRM 51-10-02. REMOVED .037? OF MATERIAL FROM UPPER SURFACE CHORD. DAMAGE REMOVAL OUT OF LIMITS PER SRM 53-70-51-1A-1.;11] REPAIRED CABIN FLOOR BEAM AT STA. 947.5; LBL 24 PER SRM 53-70-51-2R-8; ALTERNATIVE 3 AND EA 22-153-01109-WIP1; (TTG8Q00BUT7K) AND (TTG8Q00BXWHU);[12] VERIFIED CABIN FLOOR BEAM REPAIRED AT STA. 947.5; LBL 24 PER SRM 53-70-51-2R-8; ALTERNATIVE 3 AND EA 22-153-01109-WIP1; (TTG8Q00BUT7K) AND (TTG8Q00BXWHU) COMPLETE.

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