Service difficulty report · Shield · Boeing 7378H4

Difficulty date
August 15, 2022
Submitted
August 31, 2022
Operation
Air carrier
Aircraft
N8698B
Make and model
Boeing 7378H4
Aircraft serial
36977
Aircraft time
20,171 hours, 9,564 cycles
Part
Shield
Condition
Corroded
Location
Aft Cargo
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

AFT CARGO BAY SHIELD FWD OF CARGO DOOR HAS AREAS OF CORROSION BS767 TO BS792 RBL21 WL156 / [01] EVALUATED CORROSION ON SHIELD BS 767 TO 792 RBL 21 WL 156; 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 CORRECTIVE ACTION #1;[03] REMOVED AFT CARGO BAY SHIELD ; FWD OF CARGO DOOR; BS 767- BS 792; RBL21; WL 156 PER SRM 51-40-02-0G-0.;[04] LOCATED; DRILLED; DEBURRED NEW SHIELD PER SRM 51-40-05-0G-0; & DWG 146A0081. OK TO INSTALL.;[05] VERIFIED CORRECTIVE ACTION #4 AND MEASUREMENT FIELD;[06] INSTALLED SHIELD BS 767-792 RBL 21 WL 156 PER SRM 51-40-02-0G-0 AND DWG 146A0081;[07] VERIFIED CORRECTIVE ACTION #4 AND 5;[08] VERIFIED CORRECTIVE ACTION #4 AND 5

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