Service difficulty report · Shield · Boeing 7377H4

Difficulty date
March 8, 2023
Submitted
April 12, 2023
Operation
Air carrier
Aircraft
N956WN
Make and model
Boeing 7377H4
Aircraft serial
36672
Aircraft time
38,869 hours, 23,696 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 - CORROSION ON FWD SHIELD AT WL 156 - RBL 24.75 BS 420+9; BS 420+12.25.<[01] NO ALLOWABLE DAMAGE LIMITS IN SRM REPAIR BY REPLACEMENT;[02] RECEIVED NEW SHIELD P/N:143A8126U21 AND LOCATED AND DRILLED AT FCB RBL 24 BETWEEN BS 420 TO BS 440 IAW SRM 51-40-05 AND DWG:143A8126 ID:0011.;[03] EDIT TO CORRECTIVE ACTION 2. <BR>RECEIVED NEW SHIELD P/N:143A8126U21; LOT:1510082-1 AND LOCATED AND DRILLED AT FCB RBL 24 BETWEEN BS 420 TO BS 440 IAW SRM 51-40-05 AND DWG:143A8126 ID:0011;[04] UPDATED STEP 1.;[05] VERIFIED CORRECTIVE ACTION STEPS 2;3 AND 4. TASK CARD COMPLETE.

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