Service difficulty report · Angle · Boeing 737

Difficulty date
December 3, 2021
Submitted
April 28, 2022
Operation
Air carrier
Aircraft
N234WN
Make and model
Boeing 737
Aircraft serial
32502
Aircraft time
52,359 hours, 31,270 cycles
Part
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

SUPPLEMENTAL INFORMATION: L/H BS663 VAPOR BARRIER UPPER ATTACH ANGLE CRACKED AT LBL8 WL167.68 ; / [01] UPDATED MEASUREMENT TABLE; [02] VALIDATED SRM 57-10-10-2R-5 REPAIR 5 TO BE CORRECT [05] CONFORMED-1 REPLACEMENT ANGLE AND -2 SPLICE ANGLE PER SRM 57-10-102R-5; -1 REPLACEMENT ANGLE FABRICATED IAW SRM 57-10-10-2R REPAIR 5 REFER TO ATS BUILD RECORD ATSHFAB-101-353 JOB# 54259; -2 SPLICE ANGLE FABRICATED IAW SRM57-10-10-2R-5 REFER TO ATS BUILD RECORD ATSHFAB-101-355 JOB # 542530; [06] PERFORM DETAIL VISION INSPECTION AT REPAIR AREA BS 663 LBL 6-20 WL167; NO ADDITIONAL DEFECTS NOTED PER SRM 57-10-10-2R-5 STEP 4(D); [07] EDIT CONFORMED-1 REPLACEMENT ANGLE AND -2 SPLICE ANGLE PER SRM 57-10-102R-5; SHOULD READ SRM 57-10-10-2R -5; [08] CERTIFIED; [09] CONFORMED-1 REPLACEMENT ANGLE AND -2 SPLICE ANGLE PER SRM 57-10-10-2R-5; -1 REPLACEMENT ANGLE FABRICATED IAW SRM 57-10-10-2R-5 REFER TO ATS BUILD RECORD ATSHFAB-101-353 JOB# 54259; -2 SPLICE ANGLE FABRICATED IAW SRM 57-10-10-2R-5 REFER TO ATS BUILD RECORD ATSHFAB-101-355 JOB # 542530; [11] REQUIRED HFEC INSPECTION IN OPEN HOLES AND TRIMMED EDGES AT BS 663 LBL6-20 WL167; [12] HFEC INSPECTED OPEN HOLES IN REPAIR AREA AND TRIMMED EDGE OF CUTOUT PER 737NDT PART 6 51-00-00 PROCEDURES 16 AND 23. NO CRACKS FOUND. CAL ID N500 ATS729; [13] LOCATED AND DRILLED -1 REPLACEMENT ANGLE AND -2 SPLICE ANGLE PER SRM 57-10-10-2R-5 REP.5;