Service difficulty report · None · Boeing 737

Difficulty date
August 14, 2022
Submitted
September 6, 2022
Operation
Air carrier
Aircraft
N931WN
Make and model
Boeing 737
Aircraft serial
36637
Aircraft time
44,498 hours, 26,975 cycles
Part
None
Condition
Cracked
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

R/H VAPOR BARRIER STA 663.75 HAS 6' CRACK AT RBL 33 / [01] MEASURES;[02] PERFORMED VISUAL INSPECTION AND TAP TEST AT R\H VAPOR BARRIER FOUND CRACK 6' AND CONTAMINATION PER B737 NTM 51-05-01 PART 1 ; B737SRM 51-70-04-2R-0<BR>PARAGRAPH(4.A);[03] APPLIED STOP DRILL AT THE END OF THE CRACK ON VAPOR BARRIER PER B737SRM<BR>57-10-10-2R-2 PARAGRAPH (6.B) PREPARED DAMAGED AREA ON VAPOR BARRIER TO APPLY 24HR DRY OUT PROCESS PER B737 B737SRM 51-70-04-2R-0 PARAGRAPH (4.D);[04] VERIFIED STEPS 1; 2 & 3.<BR>OK TO APPLY DRY OUT;[05] APPLIED DRY OUT AT VAPOR BARRIER PER B737SRM 51-70-04-2R-0 PARAGRAPH(4.D);[06] VERIFIED STEP #5.<BR>OK TO INSTALL REPAIR.;[07] REPAIRED DAMAGED AREA AT VAPOR BARRIER PER B737SRM 51-70-04-2R-0 AND PERFORMED TAP TEST ON REPAIR AREA NO DELAMINATION FOUND PER B737 NTM PART 1 <BR>51-05-01 MATERIAL USED RESIN EY3804PO#1774613 AND FIBER GLASS PO#1690463;[08] VERIFIED STEP #7.-;[09] OK TO PAINT BARRIER.;[10] PAINTED R/H VAPOR BARRIER; PRIMER AND TEFLON AS REQUIRED PER B737-700 AMM 51-21-72-370-801 (PRIMER) AND 51-21-81-370-802 (TEFLON). ACCOMPLISHED BY WILFREDO VEGA EMPL.#2504 (X269730).;[11] VERIFIED STEP 10.;[12] C/W