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 FWD DOOR SHIELD AT RBL 24 BS 420-440 WL 156.<[01] FORWARD 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 PART ON FWD CARGO BAY FWD DOOR SHIELD AT RBL 24 BS 420 TO BS 440 WL 156 P/N 143A8126-21 LOT#1510082-1 PO#892816/1 IAW SRM 51-40-05 AND DWG 143A8126 REV:-A;[04] VERIFIED CORRECTIVE ACTION #3.<BR>VERIFIED MEASUREMENTS.

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