Service difficulty report · Shield · Boeing 7377H4

Difficulty date
July 14, 2021
Submitted
August 18, 2021
Operation
Air carrier
Aircraft
N444WN
Make and model
Boeing 7377H4
Aircraft serial
29839
Aircraft time
61,121 hours, 35,983 cycles
Part
Shield
Condition
Corroded
Location
Bs 494-500
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

FWD CARGO COMPARTMENT AFT SHIELD HAS CORROSION BS 494-BS 500+14 RBL 25 WL 156 ; / [01] ADDED MEASUREMENTS; [02] CORROSION ON SHIELD FOUND TO BE OUT OF LIMITS DUE TO NO LIMITS ARE GIVEN IN THE SRM; [03] VERIFIED NO ALLOWABLE SRM LIMITS; [04] REMOVED FWD CARGO AFT SHIELD BS 494- 500+14 RBL 25 WL 156 PER SRM 51-40-02-0G-0; [05] VERIFIED REMOVED FWD CARGO AFT SHIELD BS 494- 500+14 RBL 25 WL 156 PER SRM 51-40-02-0G-0; [06] LOCATED AND DRILLED NEW FWD CARGO COMPARTMENT AFT SHIELD PO# 827684/1 PER SRM 51-40-05-0G-0 AND DWG 143A0080; [07] VERIFIED LOCATED AND DRILLED NEW FWD CARGO COMPARTMENT AFT SHIELD PO# 827684/1 PER SRM 51-40-05-0G-0 AND DWG 143A0080; [08] VERIFIED NEW PART LOCATED AND DRILLED NEW FWD CARGO COMPARTMENT AFT SHIELD PO# 827684/1 PER SRM 51-40-05-0G-0 AND DWG 143A0080; [09] OK TO INSTALL FWD BAY AFT SHIELD.; [10] VERIFIED OK TO INSTALL; [11] INSTALLED FWD BAY AFT SHIELD BS494-BS500A; RBL25; WL156 PER SRM 51-40-02-0G-0 AND DWG 143A0080.; [12] VERIFIED INSTALLATION OF FWD BAY AFT SHIELD BS494-BS500A; RBL25; WL156 PER SRM 51-40-02-0G-0 AND DWG 143A0080.; [13] VERIFIED CARD COMPLETE

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