Service difficulty report · Support · Boeing 7377H4

Difficulty date
September 13, 2021
Submitted
October 4, 2021
Operation
Air carrier
Aircraft
N967WN
Make and model
Boeing 7377H4
Aircraft serial
36967
Aircraft time
33,104 hours, 20,101 cycles
Part
Support
Condition
Corroded
Location
Fuselage
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 FORWARD CARGO BAY AFT BULKHEAD CENTER PANEL LOWER SUPPORT AT B.S. 500D; L.B.L. 24 - R.B.L. 24; W.L. 154. ; / [01] REMOVED FCB AFT BULKHEAD CENTER PNL LOWER SUPPORT AT BS 500D LBL24 RBL 24 WL 154. IAW. SRM 51-40-02; [02] REMOVED FCB AFT BULKHEAD CENTER PNL LOWER SUPPORT AT BS 500D LBL24 RBL 24 WL 154. IAW. SRM 51-40-02; [03] PART HAS NO ALLOWABLE DAMAGE LIMITS ON SRM REPAIR BY REPLACEMENT SRM 51-10-02.; [04] LOCATED AND DRILLED NEW BULKHEAD CENTER SUPPORT AND APPLIED CHEMICAL CONVERTION COATING AND PRIMERED ON HOLES AT BS 500D LBL 24 RBL 24 WL 154 IAW SRM 51-40-05 AND SRM 51-20-01 AND DWG: 143A7902 ID: 0053 AND REV: B; [05] LOCATED AND DRILLED NEW BULKHEAD CENTER SUPPORT AND APPLIED CHEMICAL CONVERTION COATING AND PRIMERED ON HOLES AT BS 500D LBL 24 RBL 24 WL 154 IAW SRM 51-40-05 AND SRM 51-20-01 AND DWG: 143A7902 ID: 0053 AND REV: B; [06] VERIFIED CORRECTIVE ACTION STEP 4.; [07] OK TO INSTALL; [08] OKAY TO INSTALL FCB AFT BULKHEAD CENTER PNL LOWER SUPPORT AT BS 500D LBL24 RBL 24 WL 154.; [09] INSTALLED FCB AFT BULKHEAD CENTER PNL LOWER SUPPORT AT BS 500D LBL24 RBL 24 WL 154. NIAW SRM 51-40-02 AND DWG 143A7902 REV:; [10] UPDATED MEASUREMENTS; [11] VERIFIED ALL ITEMS COMPLETE

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