Service difficulty report · Attach Angle · Boeing 737*

Difficulty date
November 4, 2021
Submitted
November 15, 2021
Operation
Air carrier
Aircraft
N915WN
Make and model
Boeing 737*
Aircraft serial
36888
Aircraft time
45,503 hours, 27,299 cycles
Part
Attach Angle
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

B.S. 663 BULKHEAD UPPER ATTACH ANGLE IS CRACKED AT R.B.L. 8; W.L. 164. ; / [01] TRIMED OUT ATTACH ANGLE AT VAPOR BARRIER BS 663 RBL 15 WL 164 PER SRM 57-10-10-2R-5 STEP 4 B<BR><BR>PERFORMED DETAIL INSPECTION OF THE REPAIR AREA AND UNDERLYING STRUCTURE TO MAKE SURE THAT THERE IS NO DAMAGE WITHIN THE REPAIR AREA; [02] PERFORM AN OPEN HOLE HFEC INSPECTION FOR ALL INITIAL FASTENERS HOLES IN THE REPAIR AREA TO MAKE SURE THERE IS NO DAMAGE; [13] REPAIRED CRACKED VAPOR BARRIER BULKHEAD UPPER ATTACH ANGLE BS 663 RBL 15 WL 164 PER SRM 57-10-10-2R-5; [14] VERIFIED CORRECTIVE ACTION 13