Service difficulty report · Shield · Boeing 7377H4

Difficulty date
June 1, 2023
Submitted
July 3, 2023
Operation
Air carrier
Aircraft
N295WN
Make and model
Boeing 7377H4
Aircraft serial
32541
Aircraft time
51,370 hours, 30,880 cycles
Part
Shield
Part number
UNKNOWN
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

CORROSION AFT CARGO BAY SHIELD FWD OF CARGO DOOR AROUND MULTIPLE NUT PLATE HOLES BS767+3 TO BS794 RBL22 WL156<[01] CORROSION ON SHIELD WAS FOUND TO BE OUT OF LIMITS DUE TO NO LIMITS ARE GIVEN IN THE SRM.;[02] VERIFIED CORRECTIVE ACTION 1;[03] UPDATE TO CORRECTIVE ACTION STEP 1. CORROSION ON SHIELD WAS FOUND TO BE OUT OF LIMITS DUE TO NO LIMITS ARE GIVEN IN THE SRM; PART REPLACEMENT REQUIRED PER SRM 51-10-02.;[04] REMOVED AFT CARGO BAY SHIELD BS 767+3' TO BS 794 RBL 22 WL 156 PER SRM 51-40-02-0G-0.;[05] LOCATED; DRILLED AND DEBURRED NEW AFT CARGO BAY SHIELD BS 767+3'- BS 794 RBL 22 WL 156 PER SRM 51-40-05-0G-0; DWG 146A0081.;[06] VERIFIED CORRECTIVE ACTIONS STEP 5.;[07] APPLIED TOPCOAT PER AMM 51-21-73-370-804 AS PER PREVIOUSLY ACCOMPLISHED ON EO 5360-E-16462-NG.;[08] OK TO INSTALL.;[09] VERIFIED CORRECTIVE ACTION STEPS 7 AND 8.;[10] INSTALLED NEW SHIELD BS 767+3' TO BS 794 RBL 22 WL 156 PER SRM 51-40-02-0G-0; DWG 146A0081.;[11] VERIFIED MEASUREMENT TABLE;[12] VERIFIED CORRECTIVE ACTION 10

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