Service difficulty report · Shield · Boeing 7377H4

Difficulty date
April 25, 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

CORROSION ON AFT CARGO BAY FWD DOOR SHIELD TO INTERCOSTAL ATTACH ANGLE AT RBL 21 BS 787+5 WL 155.<[01] UPDATED TABLE MEASUREMENTS.;[02] REMOVED AFT CARGO BAY FWD DOOR SHIELD TO INTERCOSTAL ATTACH ANGLE AT RBL 21 BS 787+5 WL 155 PER B737-700 SRM 51-40-02-0G-0.;[03] EVALUATED DAMAGE ON AFT CARGO BAY FWD DOOR SHIELD TO INTERCOSTAL ATTACH ANGLE AT RBL 21 BS 787+5 WL 155 FOUND TO BE OUT OF LIMIT DUE NOT LIMITS IN SRM PART WILL BE REPAIRABLE BY REPLACEMENT IAW SRM 51-10-02-0G-0;[04] LOCATED AND DRILLED NEW ANGLE IAW SRM 51-40-05-0G-0 AND DWG 146A8123;[05] VERIFIED CORRECTIVE ACTION ITEM 1-4.;[06] OK TO INSTALL;[07] OK TO INSTALL GIVEN.;[08] INSTALLED NEW ON AFT CARGO BAY FWD DOOR SHIELD TO INTERCOSTAL ATTACH ANGLE AT RBL 21 BS 780+6 TO BS 794 WL 155 IAW SRM 51-40-02; DWG 146A8120 AND DWG 146A8123;[09] CORRECTED MEASUREMENTS SECTION;[10] VERIFIED CORRECTIVE ACTION 8 AND MEASUREMENT TABLE.

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