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 LT VAPOR BARRIER LOWER WEB STA. 663. / [01] MEASUREMENTS;[02] CLEANED DAMAGE AREA FOR REPAIR; STOP DRILL ALL CRACKS PERFORMED DRY OUT; FOUND NO WATER AS PER B737 SRM 51-70-04-2R-10;[03] VERIFIED STEPS # 1 AND #2;[04] OK TO INSTALL REPAIR;[05] REPAIRED CRACK DAMAGE ON LT VAPOR BARRIER AT STA. 663 WITH A PERMANENT REPAIR AS PER B737 SRM 51-70-04-2R-10; MATERIALS USED PO#1690463 AND PO#1778994;[06] PERFORMED TAP TEST ON REPAIR AREA OF VAPOR BARRIER; FOUND NO DELAMINATION AS PER B737 NDT 51-05-01 SECTION (5).;[07] VERIFIED STEPS 5 AND 6;[08] APPLIED TEFLON PAINT ON LT VAPOR BARRIER LOWER WEB REF B 737 AMM 51-21-81-370-801;[09] VERIFIED STEP 8

More about the Boeing 737-7BD