Service difficulty report · Support · Boeing 737*

Difficulty date
January 6, 2022
Submitted
February 8, 2022
Operation
Air carrier
Aircraft
N943WN
Make and model
Boeing 737*
Aircraft serial
36913
Aircraft time
39,369 hours, 23,825 cycles
Part
Support
Condition
Corroded
Location
Fuselage
Stage of operation
UK
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 LEFT PANEL LOWER SUPPORT AT B.S. 500D; L.B.L.24. ; / [01] REMOVED CORROSION ON FWD CARGO BAY AFT BULKHEAD LEFT PANEL LOWER SUPPORT AT BS ;500D; LBL 24;IAW SRM 51-10-02 PARAGRAPH 15 ;EVALUATED ALL REWORKED AREA;THE DEPPEST AREA 500D ;LBL 24; DIMENSION L=2'X W=1' DEPH 0.024 ORIGINAL THICKNESS 0.076'REMAINING THICKNESS 0.052 FOUND TO BE OUT OF LIMITS ALLOWABLE DAMAGE IAW SRM 53-30-08-1A-; TABLE#2 ITEM {4}FIG#103 DETAIL 'C'TOOL USED ID; ATS2502 S/N A19335659 DUE 04/2022.; [02] VERIFIED CORRECTIVE ACTION ITEM 1; DAMAGE IS OUT OF LIMITS.; [03] RECEIVED L/H RAIL ITEM 143A9485-30; LOT3 1470636. LOCATED AND DRILLED LOWER RAIL BTW BS 500D; LBL24 WL 154 - WL 200 IAW SRM 51-40-05-0G-0; DWG # 143A9481. REV:A DWG# 143A7902; REV:E . OK TO INSTALL.; [04] VERIFIED CORRECTIVE ACTION ENTRY 3.<BR><BR>OK TO INSTALL; [05] INSTALLED NEW FWD CARGO AFT BULKHEAD LEFT PANEL LOWER SUPPORT AT BS 500D;IAW SRM 51-40-02 AND DWG#143A9481.ALL MAINTENANCE ACTION ARE COMPLETE REQUEST FINAL BUY OFF.; [06] VERIFIED INSTALLED NEW FWD CARGO AFT BULKHEAD LEFT PANEL LOWER SUPPORT AT BS 500D;IAW SRM 51-40-02 AND DWG#143A9481.; [07] VERIFIED ALL STEPS COMPLETE.; [08] UPDATED MEASURES TABLE.; [09] UPDATED MEASUREMENT TABLE