Service difficulty report · Shield · Boeing 7377H4

Difficulty date
May 2, 2023
Submitted
June 1, 2023
Operation
Air carrier
Aircraft
N961WN
Make and model
Boeing 7377H4
Aircraft serial
36962
Aircraft time
37,902 hours, 23,158 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 FWD CARGO BAY DOOR CUT-OUT AFT SHIELD AT STA 500+10; 500+12.5 TO 500+15.5; AND 500+12; RBL 24 WL 156.<[01] FOUND TO BE OUT OF LIMITS PER B 737-700 SRM 53-30-15-1A-1;[02] B 737-700 SRM 53-30-15-1A-1 IS APPLICABLE REFERENCE;[03] VERIFIED CORRECTIVE ACTION 1-2 AND MEASUREMENT TABLE;[04] REMOVED SHIELD PER B737-700 SRM 51-40-02;[15] INSTALLED FWD CARGO BAY DOOR -OUT AFT SHIELD AT STA 480+14 TO 500A RBL 24 WL 156 IAW SRM 51-40-02 AND DWG 143A8126 REV;-;[16] VERIFIED CORRECTIVE ACTION STEP 15.;[17] VERIFIED MEASUREMENT TABLE AND TASK CARD COMPLETE.

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