Service difficulty report · Shield · Boeing 7377H4

Difficulty date
June 9, 2021
Submitted
July 19, 2021
Operation
Air carrier
Aircraft
N489WN
Make and model
Boeing 7377H4
Aircraft serial
33855
Aircraft time
54,253 hours, 32,244 cycles
Part
Shield
Condition
Corroded
Location
Bs 767-787
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 ON FWD SHIELD AT AFT CARGO BAY BS767 -BS787 RBL22 WL157. ; / [01] EVALUATED CORROSION ON SHIELD; FOUND TO BE OUT OF LIMITS DUE TO NO LIMITS IN THE SRM AND REQUIRES REPLACEMENT PER SRM 51-10-02-0G-0; [02] VERIFIED CORROSION ON SHIELD; FOUND TO BE OUT OF LIMITS DUE TO NO LIMITS IN THE SRM AND REQUIRES REPLACEMENT PER SRM 51-10-02-0G-0; [03] REMOVED FWD SHIELD BS 767 - BS 794 RBL 22;WL 157 PER SRM 51-40-02-0G-0.; [04] LOCATED; DRILLED; DEBURRED NEW SHIELD PER SRM 51-40-05-0G-0; DWG 146A0081.; [05] LOCATED; DRILLED; DEBURRED NEW SHIELD PER SRM 51-40-05-0G-0; DWG 146A0081; VERIFIED.; [06] OK TO INSTALL NEW ACB FWD SHIELD BS 767-794; RBL 22; WL 157.; [07] OK TO INSTALL SHIELD ASSY BS767-794 RBL 22; [08] INSTALLED ABC FWD SHIELD BS 767-794; RBL 22; WL 157 IAW SRM 51-40-02-0G-0; DWG# 146A0081.; [09] VERIFIED INSTALLED ABC FWD SHIELD BS 767-794; RBL 22; WL 157 IAW SRM 51-40-02-0G-0; DWG# 146A0081.; [10] COMPLETED

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