Service difficulty report · Support · Boeing 7377H4

Difficulty date
January 25, 2023
Submitted
March 6, 2023
Operation
Air carrier
Aircraft
N955WN
Make and model
Boeing 7377H4
Aircraft serial
36671
Aircraft time
38,739 hours, 23,607 cycles
Part
Support
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 AFT BULKHEAD SUPPORT AT STA 947; RBL 21 TO LBL 5; WL 178.<[01] REMOVED ON ACB BULKHEAD SUPPORT AT BS 947 WL 178 LBL 10 TO RBL 22 IAW SRM 51-40-02;[02] NO FOUND ALLOWABLE DAMAGE LIMITS ON SRM ; MUST BE REPLACED IAW SRM 51-10-02 PARAGRAPH 9.;[03] UPDATED STEP 1;[04] UPDATED STEP 1;[05] PARTIAL UPDATED STEP 1. OK TO INSTALL GIVEN.;[06] PARTIAL UPDATE ON STEP 1.;[07] INSTALLED AFT CARGO BAY AFT BULKHEAD SUPPORT AT BS 947.5; RBL 20 TO LBL 8.1; WL 178 IAW SRM 51-40-02-0G-0; DWG 149A8110; ID: 0015; REV: A;[08] VERIFIED CORRECTIVE ACTION #7<BR>COMPLETED STEP 1

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