Service difficulty report · Shield · Boeing 7377H4

Difficulty date
March 16, 2023
Submitted
April 24, 2023
Operation
Air carrier
Aircraft
N957WN
Make and model
Boeing 7377H4
Aircraft serial
41528
Aircraft time
38,518 hours, 23,626 cycles
Part
Shield
Condition
Corroded
Location
Zn 100 Fus Lower
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

MULTIPLE AREA OF CORROSION ON FWD CARGO BAY AFT DOOR SHIELD AT RBL 24 BS 480+13-500A WL 156.<[01] AFTER DOOR SHIELD WAS NO FOUND ALLOWABLE DAMAGE; PART MUST BE REPAIRED BY REPLACEMENT; PER SRM 51-10-02; PARA.9;[02] VERIFIED CORRECTIVE ACTION 1.;[03] LOCATED AND DRILLED NEW AFT. DOOR SHIELD; PER SRM 51-40-02 AND DWG 143A8126.;[04] VERIFIED CORRECTIVE ACTION ITEMS AND MEASUREMENT FIELDS; PARTS STILL OPEN FOR AMT.;[05] ALL MAINTENANCE PROCEDURE COMPLETED;[06] VERIFIED ALL STEPS COMPLETE.

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