Service difficulty report · Strap · Boeing 7377H4

Difficulty date
May 24, 2022
Submitted
June 17, 2022
Operation
Air carrier
Aircraft
N476WN
Make and model
Boeing 7377H4
Aircraft serial
32475
Aircraft time
60,443 hours, 35,915 cycles
Part
Strap
Condition
Corroded
Location
Aft Cargo
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' AFT CARGO COMPARTMENT FLOOR STRUCTURE STRAP STA 867+4 CORROSION / [01] REMOVED CORROSION AS PER B737-700 SRM 51-10-02-0G-0;[02] VERIFIED STEP 1;[03] ORIGNAL THICKNESS 0.08'. MATERIAL REMOVED 0.0284'. REMAINING THICKNESS 0.0516' FOUND TO BE OUT OF LIMITS AS PER B737-700 SRM 53-60-53-0I-2 FIG. 2 SHEET 1. TOOL USED B/C# 165543; DUE 01SEP2022.;[04] VERIFIED STEP 3;[05] NEW PART TO BE INSTALLED ON TASK CARD # TTG8Q004G6DZ;[06] VERIFIED STEP 5

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