Service difficulty report · Shield · Boeing 7378H4

Difficulty date
February 16, 2023
Submitted
March 20, 2023
Operation
Air carrier
Aircraft
N8528Q
Make and model
Boeing 7378H4
Aircraft serial
36927
Aircraft time
19,732 hours, 9,567 cycles
Part
Shield
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 ON AFT CARGO BAY SHIELD BS 847+12 RBL 21 WL 164<[01] EVALUATED CORROSION ON SHIELD BS 847+12 RBL 21 WL 164; 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 AND MEASUREMENT TABLE.;[03] REMOVED DAMAGED ACB SHIELD BS 847-867; RBL 21; WL 164. LOCATED; DRILLED; COUNTERSUNK; AND DEBURRED NEW SHIELD IAW SRM 51-40-02-0G-0; SRM 51-40-05-0G-0; DWG# 146A0081. OK TO INSTALL NEW SHIELD.;[04] VERIFIED CORRECTIVE ACTION 3.;[05] INSTALLED ACB SHIELD BS 847-867; RBL 21; WL 164 IAW SRM 51-40-02-0G-0; DWG# 146A0081.;[06] VERIFIED CORRECTIVE ACTION 5.;[07] THE INSPECTION WAS A RII BUYBACK. VERIFIED CORRECTIVE ACTION 5.;[08] VERIFIED RII BUYBACK OF SHIELD INSTALLATION ACCOMPLISHED IN CORRECTIVE ACTON 7. VERIFIED MEASUREMENT TABLE

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