Service difficulty report · Shield · Boeing 7377H4

Difficulty date
July 6, 2024
Submitted
August 9, 2024
Operation
Air carrier
Aircraft
N257WN
Make and model
Boeing 7377H4
Aircraft serial
32515
Aircraft time
59,419 hours, 35,640 cycles
Part
Shield
Condition
Corroded
Location
Zn 100
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 FWD DOOR SHIELD BS 777; RBL 21; WL 156 CORROSION AFT CARGO BAY FWD DOOR SHIELD BS 777 TO 781 RBL 21 WL 156<[01] UPON FURTHER INVESTIGATION; FOUND TO BE NO ALLOWABLE DAMAGE PER SRM. REPAIR BY REPLACEMENT IAW SRM 51-10-02-0G-0;[02] VERIFIED CORRECTIVE ACTION 1;[03] INSTALLED ACB FWD NEW SHIELD BETWEEN BS 767 TO BS 794; RBL 21; WL 156 IAW SRM 51-40-02-0G-0 AND DWG 146A0081; ID: 0028; REV: A;[04] REMOVED AND REPLACED ACB FWD NEW SHIELD BETWEEN BS 767 TO BS 794; RBL 21; WL 156 IAW SRM 51-40-02-0G-0 AND DWG 146A0081; ID: 0028; REV: A;[05] VERIFIED CORRECTIVE ACTION 4

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