Service difficulty report · Shield · Boeing 7377H4

Difficulty date
March 31, 2022
Submitted
April 22, 2022
Operation
Air carrier
Aircraft
N769SW
Make and model
Boeing 7377H4
Aircraft serial
30588
Aircraft time
74,146 hours, 43,614 cycles
Part
Shield
Part number
143A8126U21
Condition
Corroded
Location
Fwd Cargo Bay
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 FWD CARGO BAY DOOR CUT-OUT FWD SHIELD FROM STA 420+5 TO STA 440; RBL 24; WL 156. / [01] NO ALLOWABLE DAMAGE LIMITS IN SRM REPAIR BY REPLACEMENT IAW SRM 51-10-02-0G-0;[02] VERIFIED;[03] RECEIVED NEW SHIELD P/N:143A8126U21ATSMRO ; LOT:1481125-1 AND LOCATED AND DRILLED AT FCB STA 420+5' TO STA 440 RBL 24 ; WL 156 IAW SRM 51-40-05 AND DWG:143A0080 ID:0013 REV:A.;[04] FIXED MEASUREMENT 22 TO MINOR.;[05] ADDED PART;[06] VERIFIED CORRECTIVE ACTION #3

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