Service difficulty report · Floor Support · Boeing 7378H4

Difficulty date
November 18, 2024
Submitted
December 13, 2024
Operation
Air carrier
Aircraft
N8523W
Make and model
Boeing 7378H4
Aircraft serial
36969
Aircraft time
26,231 hours, 13,036 cycles
Part
Floor Support
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

THE INTERCOSTAL AT LBL 24 BETWEEN BS 927 AND 947 HAS EVIDENCE OF CORROSION ON THE AFT END. UNABLE TO ASCERTAIN IF THE LOWER SURFACE OF THE 947 FRAME UPPER FLANGE IS AFFECTED. REMOVED ANGLE FROM WEB BETWEEN BS 927 TO STA. 947 AT LBL 24 IAW SRM 51-40-02. BLENDED CORROSION PER SRM 51-10-02. REMOVED .014 OF MATERIAL. REMAINING THICKNESS IS .049. DAMAGE REMOVAL IS OUT OF LIMITS PER SRM 53-70-51-1A-1.

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