Service difficulty report · Bulkhead · Boeing 73773V

Difficulty date
July 17, 2023
Submitted
August 15, 2023
Operation
Air carrier
Aircraft
N7839A
Make and model
Boeing 73773V
Aircraft serial
30243
Aircraft time
63,332 hours, 39,016 cycles
Part
Bulkhead
Part number
UNKNOWN
Condition
Cracked
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

CRACKED LOWER R/H COMPOSITE BULKHEAD AT BS663 RBL33 WL153.<[01] PARTIAL STEP 1 TO 5;[02] REMOVED VAPOR BARRIER STA-663 IAW SRM 51-40-02-0G-0 RBL 6.15-70.;[03] RECIVED; LOCATED AND DRILLED NEW VAPOR BARRIER AT BS663 RBL33 WL153; IAW 737-700 SRM 51-40-05-0G-0 DWG 111A100 ; DWG 111A1001; DWG 144A7100 AND DWG 111A700;[04] OK TO INSTALL;[05] VERIFIED COMPLETION OF CORRECTIVE ACTIONS 3 AND MEASUREMENT TABLE.<BR>OK TO INSTALL NEW VAPOR BARRIER GIVEN;[06] OK TO INSTALL STEP 1 TO 5;[07] PARTIAL STEPS 1-5 <BR>OK TO INSTALL PARTS REMOVED BS 663 VAPOR BARRIER WEB GIVEN STEPS 1-5;[08] COMPLETED STEP 1-2;[09] INSTALLED NEW VAPOR BARRIER AT BS663 RBL33 WL153; IAW 737-700 SRM 51-40-02-0G-0 DWG 111A100 ; DWG 111A1001; DWG 144A7100 AND DWG 111A700.;[10] VERIFIED CORRECTIVE ACTION 9 COMPLETE.;[11] TASK CARD COMPLETE.

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