Service difficulty report · Floor Support · Boeing 7377H4

Difficulty date
August 4, 2021
Submitted
August 23, 2021
Operation
Air carrier
Aircraft
N964WN
Make and model
Boeing 7377H4
Aircraft serial
36965
Aircraft time
32,901 hours, 20,020 cycles
Part
Floor Support
Condition
Corroded
Location
Bs 792
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

CORROSION ON FLOOR TO SIDEWALL SUPPORT AT AFT CARGO BAY BS792 LBL22 WL157. ; / [01] REMOVED CORROSION 1'X1'X0.005' AT ACB BS 792 LBL22. DAMAGE EXCEED 10% OF ORIGINAL MATERIAL THICKNESS. FOUND TO BE OUT OF LIMIT IAW SRM 53-00-53-1A-2; [02] VERIFIED REMOVED CORROSION 1'X1'X0.005' AT ACB BS 792 LBL22. DAMAGE EXCEEDS 10% OF ORIGINAL MATERIAL THICKNESS AND IS FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53-1A-2; [03] CALIBRATED TOOL<BR>DIAL DEPTH GAUGE ID:ATS1225<BR>S/N: UNKNOWN; [04] WORK TO BE COMPLETED BY CUST SYSTEM ID : TTG8Q0061VWX; [05] VERIFIED COMPLETE.

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