Service difficulty report · Support · Boeing 737*

Difficulty date
March 17, 2022
Submitted
April 20, 2022
Operation
Air carrier
Aircraft
N472WN
Make and model
Boeing 737*
Aircraft serial
33831
Aircraft time
58,559 hours, 34,804 cycles
Part
Support
Condition
Corroded
Location
Aft Cargo
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

AFT CARGO BAY AFT BULKHEAD SUPPORT IS CORRODED AT STA 947; RBL 24; WL 179. / [01] PRIOR TO REMOVAL;FOUND PART TO HAVE NO SRM LIMITS FOR ALLOWABLE DAMAGE AND SO PART ISREPAIRABLE BY REPLACEMENT;PER SRM 51-10-02-OG-0 STEP 9;[02] REMOVED AFT BULKHEAD SUPPORT ANGLE AT AFT CARGO BAY BS947 RBL24 WL 179;IAW SRM 51-40-02.;[03] LOCATED AND DRILLED NEW AFT BULKHEAD SUPPORT WITH P/N 149A8118-27;LOT#1480888-1;PO#855047;IAW SRM 51-10-05 AND DWG#149A8110 REV B.OK TO INSTALL.;[04] VERIFIED CORRECTIVE ACTIONS 1-3.;[05] INSTALLED AFT CARGO BAY AFT BULKHEAD SUPPORT AT STA.947 RBL24;WL179;IAW SRM 51-40-02 AND DWG#149A8110 REV B.ALL MAINTENANCE ACTION ARE COMPLETED REQUIRE FINAL BUY OFF.;[06] VERIFIED CORRECTIVE ACTION 5.