Service difficulty report · Angle · Boeing 737

Difficulty date
January 23, 2022
Submitted
April 4, 2022
Operation
Air carrier
Aircraft
N7730A
Make and model
Boeing 737
Aircraft serial
33926
Aircraft time
51,354 hours, 27,779 cycles
Part
Angle
Condition
Cracked
Location
Center Wing
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

R/H BS663 VAPOR BARRIER UPPER ATTACH ANGLE IS CRACKED AT RBL 8 WL 167.68 / [01] REMOVED DAMAGED SECTION OF R/H VAPOR BARRIER UPPER ATTACH ANGLE RBL8-RBL15 WL167.68 IAW SRM 57-10-10-2R-5.;04] CONFORMED -1 REPLACEMENT ANGLE AND -2 SPLICE ANGLE PER SRM 57-10-10-2R-5; -1 REPLACEMENT ANGLE FABRICATED IN ACCORDANCE WITH SRM 57-10-10-SR REPAIR 5 REFER TO ATS BUILD RECORD ATSHFAB-101-354 JOB# 542598; -2 SPLICE ANGLE FABRICATED IN ACCORDANCE WITH SRM 57-10-10-2R-5 REFER TO ATS BUILD RECORD ATSHFAB -101-355 JOB# 542530;[05] PERFORM AN OPEN HOLE HFEC INSPECTION FOR ALL FASTENERS IN THE REPAIR AREA TO MAKE SURE THERE IS NO DAMAGE IAW SRM 57-10-10-2R-5.;[06] VERIFIED CORRECTIVE ACTION ITEM 1-4; AND -1 AND -2 REPAIR PARTS CONFORMED; OK TO PROCEED PER SRM 57-10-10-2R-5.;[07] HFEC INSPECTED OPEN HOLE(S) FOR ALL INITAL FASTENER HOLES IN THE REPAIR AREA IAW 737 NDTM PART 6 51-00-00 PROCEDURE 16; NO CRACKS NOTED DURING TIME OF INSPECTION.<BR>EQUIP ID#: IS000450 S/N: N500D000M120071 EQUIP ID#: ATS2407 S/N: MM1591DD064104;[08] LOCATED; DRILLED; TRIMMED; DEBURRED; APPLIED CHEMICAL CONVERSION COATING AND PRIMERED TRIMMED EDGES ON R/H 663 VAPOR BARRIER UPPER ATTACH ANGLE REPAIR PARTS IAW SRM 57-10-10-2R-5. OK TO INSTALL.;[09] INSPECTED ACTION 8; OK TO INSTALL;[10] INSTALLED R/H BS 663 VAPOR BARRIER UPPER ATTACH ANGLE REPAIR RBL8 WL 167.68 IAW SRM 57-10-10-2R-5.;