Service difficulty report · Shield · Boeing 7377H4

Difficulty date
May 1, 2023
Submitted
May 25, 2023
Operation
Air carrier
Aircraft
N959WN
Make and model
Boeing 7377H4
Aircraft serial
36674
Aircraft time
38,285 hours, 23,370 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

FWD CARGO BAY AFT SHEILD AT BS 492-500A RBL 24 WL 156 IS CORRODED<[01] CORROSION ON ACB FWD SHIELD FOUND TO BE OUT OF LIMITS DUE TO NO ENTRIES IN SRM FOR ALLOWABLE DAMAGE; PART TO BE REPAIRED BY REPLACEMENT IAW. SRM 51-10-02-0G-0 PAR-9.C.;[02] RECEIVED SHIELD P/N 143A8126-36 LOT: 1526495-1.<BR>LOCATED AND DRILLED SHIELD BETWEEN BS 492-500A RBL 24 WL. 156 IAW SRM 51-40-05 DWG# 143A0080. <BR>REMOVAL & INSTALLATION ARE ACCOMPLISHED WITH THE CUSTOMER CARD # TTG8Q004C7KF STEP#12;40. <BR>ALL MAINTENANCE ACTION ARE COMPLETE REQUEST FINAL BUY OFF.;[03] VERIFIED CORRECTIVE ACTIONS 1 AND 2 AND MEASUREMENT TABLE.

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