Service difficulty report · Bulkhead · Boeing 737*

Difficulty date
September 20, 2021
Submitted
November 3, 2021
Operation
Air carrier
Aircraft
N793SA
Make and model
Boeing 737*
Aircraft serial
27888
Aircraft time
67,300 hours, 39,722 cycles
Part
Bulkhead
Condition
Cracked
Location
Center Wing
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

LEFT A/C COMPT BS 663 BULKHEAD HAS 1.5' CRACK FROM LWR EDGE LBL 13. 8-19 ; / [01] PERFORMED VISUAL INSPECTION AND TAP TEST INSPECTION AT LEFT HAND VAPOR BARRIER; FOUND CRACK 1.5''; WATER NOTE REF B737 NDT PART 1 51-05-01. MADE STOP-DRILLING OF CRACK REF B737-700 SRM51-10-02-0G-0 PARAGRAPH 12 PAGE 9 AND PREPARED DAMAGED AREA TO APPLY DRY OUT REF B737-700 SRM 51-70-04-2R-0 PARAGRAPH 4D.; [02] VERIFIED 1. OK TO DRY OUT AREA.; [03] APPLIED DRY OUT PROCESS AT THE LEFT HAND VAPOR BARRIER AS PER B737 SRM 51-70-04-2R-0 PARAGRAPH 4D. AND PREPARED AREA TO APPLY REPAIR.; [04] VERIFIED 3. OK TO INSTALL REPAIR.; [05] REPAIRED AT PANEL LEFT A/C BS 663 BULKHEAD AS PER B 737-700 SRM 57-10-10-2R-2 PARAGRAPH 6 MATERIAL USED PO.1150387 AND PO. 1731757; [06] VERIFIED STEP 5