Service difficulty report · Stringer · Boeing 7377H4

Difficulty date
May 10, 2021
Submitted
June 17, 2021
Operation
Air carrier
Aircraft
N732SW
Make and model
Boeing 7377H4
Aircraft serial
27864
Aircraft time
74,727 hours, 43,976 cycles
Part
Stringer
Condition
Cracked
Location
Bs 536 S24r
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

STR24R IS CRACKED AT BS536; RBL39; WL158 ; / HFEC INSPECTED TRIMMED EDGE OF DAMAGE CUTOUT PER 737NDT PART 6 51-00-00 PROCEDURE 23. NO CRACKS FOUND.;VERIFIED INSTALLATION OF REPAIR PARTS AT STR-24R BS 500D+6' -540;APPLIED SEALING AROUND REPAIR AND CIC ON REPAIR AREA IAW SRM 53-00-03 REP.1; DWG 143A1215 & 143A3230.;VERIFIED PRIMER APPLICATION; PASSED. GVI OK TO INSTALL;VERIFIED RECEIPT OF PARTS; MATERIAL TYPE/ THICKNESS/ TEMPER; DRILL UP AND CONVERSION COATING APPLICATION. COMPLETED;CUTOUT STR SECTION ; BS 500D +12 - 538 STR 24R PER SRM 53-00-03 -2R-1.;INSTALLED REPAIR PARTS AT STR-24R BS 500D+6' -540;APPLIED SEALING AROUND REPAIR AND CIC ON REPAIR AREA IAW SRM 53-00-03 REP.1; DWG 143A1215 & 143A3230.;LOCATED AND DRILLED; GVI NO ADDITIONAL DAMAGED FOUND & CHEMICAL CONVERSION COATING APPLIED TO REPAIR PARTS IAW SRM 53-00-03 REP.1;RECEIVED REPAIR PARTS FROM OSS; REMOVED DAMGED SECTION OF STR-24R AND INSTALLED NEW STR-24R SECTION AND SPLICE AT BS 500D+6'' - 540 IAW SRM 53-00-03 REP. 1; DWG 143A1215;143A3230.;REQUEST NDI TO HFEC CUTOUT FOR CRACK FREE CONDITION PER SRM 53-00-03-2R-1 STEP 4;C

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