Service difficulty report · Web · Boeing 7377H4

Difficulty date
June 24, 2020
Submitted
August 13, 2021
Operation
Air carrier
Aircraft
N486WN
Make and model
Boeing 7377H4
Aircraft serial
33852
Aircraft time
54,585 hours, 32,477 cycles
Part
Web
Condition
Corroded
Location
Bs 767-787
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 FWD SHIELD AT ACB BS767 - BS787 RBL21 WL157. MARKED / CORROSION ON FWD SHIELD AT ACB BS767-BS787 RBL21 WL157 FOUND TO BE OUT OF LIMITS DUE TO NO SRM ALLOWABLE DAMAGE. THE STRUCTURAL ITEM NEED TO REMOVE AND REPLACE IAW SRM 51-10-02 PAR 9C. REMOVED AND REPLACED NEW SHIELD WEB PN# 146A8127-12; PO#774635 IAW SRM 51-40-02 AND IAW DWG# 146A0081

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