Service difficulty report · Shield · Boeing 7378H4

Difficulty date
November 2, 2023
Submitted
December 5, 2023
Operation
Air carrier
Aircraft
N8554X
Make and model
Boeing 7378H4
Aircraft serial
36993
Aircraft time
19,892 hours, 9,901 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] VERIFIED STEPS 1;2 COMPLETE.;[02] CORROSION ON SHIELD FOUND TO BE OUT OF LIMITS DUE TO NO LIMITS ARE GIVEN IN THE SRM. PART REPLACEMENT REQUIRED AS PER SRM 51-10-02. REMOVED OLD SHIELD. LOCATED; DRILLED AND INSTALLED REPLACEMENT SHIELD FWD OF CARGO DOOR BS767-794; RBL22; WL156 PER DWG 146A0081; SRM 51-40-05-0G-0 AND SRM 51-40-02-0G-0.;[03] VERIFIED CORRECTIVE ACTION 2.<BR>VERIFIED MEASUREMENTS TABLE.<BR>JOB COMPLETED.

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