Service difficulty report · Web · Boeing 7377BD

Difficulty date
August 13, 2022
Submitted
September 28, 2022
Operation
Air carrier
Aircraft
N7738A
Make and model
Boeing 7377BD
Aircraft serial
33930
Aircraft time
51,542 hours, 27,977 cycles
Part
Web
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

FOUND CRACK AT RT VAPOR BARRIER LOWER WEB STA. 663. / [01] MEASUREMENTS;[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 STEP #1 AND #2 ACCOMPLISHED DATED 08/18/2022;[05] VERIFIED STEP #3 <BR>LATE ENTRY OK TO START DRY OUT PROCESS @ 08/18/2022 0800;[06] APPLIED 24HR DRY OUT AT VAPOR BARRIER PER B737 SRM 51-70-04-2R-0 PARAG 4.D;[07] VERIFIED STEP 6.;[08] OK TO INSTALL REPAIR;[09] 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;[10] VERIFIED STEP 9;[11] APPLIED TEFLON PAINT ON RT VAPOR BARRIER LOWER WEB REF B 737 AMM 51-21-81-370-801;[12] VERIFIED STEP 11

More about the Boeing 737-7BD