Service difficulty report · Barrier · Boeing 7377BD

Difficulty date
February 22, 2021
Submitted
March 11, 2021
Operation
Air carrier
Aircraft
N7745A
Make and model
Boeing 7377BD
Aircraft serial
33933
Aircraft time
43,931 hours, 22,252 cycles
Part
Barrier
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

RT STA 663 VAPOR BARRIER HAS MULTIPLE CRACKS / PERFORMED REPAIR AT RT SIDE VAPOR BARRIER STA 663 AS PER B737-700 SRM 51-70-04-2R-10 REPAIR 10 PERFORMED TAP TEST ON REPAIR. NO DELAMINATION FOUND AS PER B737 NDTM 51-05-01 PART 1 STEP 5. APPLIED PRIMER AND TOPCOAT PER REF B737-700 AMM 51-21-81-370-802 AND 51-21-72-370-803

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