Service difficulty report · Floor Support · Boeing 7378H4

Difficulty date
February 6, 2024
Submitted
March 4, 2024
Operation
Air carrier
Aircraft
N8563Z
Make and model
Boeing 7378H4
Aircraft serial
64172
Aircraft time
19,968 hours, 10,090 cycles
Part
Floor Support
Part number
UNKNOWN
Condition
Cracked
Location
Bs 540 Lbl1
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

CRACKED FLOOR SUPPORT AT STA 540; LBL 1; WL 208.<[01] REJECTION; CREATED FAULT FOR METAL SHAVING UNDER THE REPLACED FLOOR SUPPORT.;[02] ALL STEPS COMPLETED REMOVED FLOOR PANEL 231UF PER AMM 53-21-00-000-801 REMOVED CRACKED FLOOR SUPPORT AT STA 540; LBL 1; WL 208 PER SRM 51-40-02 LOCATED AND DRILLED NEW FLOOR SUPPORT AT STA 540; LBL 1; WL 208. PER SRM 51-40-05 BOEING DWG 143A0060 COMPLETED MEASUREMENT TABLE INSTALLED NEW FLOOR SUPPORT AT STA 540; LBL 1; WL 208 PER SRM 51-40-02 INSTALLED FLOOR PANEL 231UF PER AMM 53-21-00-400-801 <BR>TORQUE GUN ID#ATS2314 DATE:'09/24;[03] VERIFIED CORRECTIVE ACTION 2. CARD COMPLETE.

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