Service difficulty report · Bulkhead Web · Boeing 7377K5

Difficulty date
July 22, 2020
Submitted
August 10, 2020
Operation
Air carrier
Aircraft
N7880D
Make and model
Boeing 7377K5
Aircraft serial
34693
Aircraft time
34,295 hours, 26,031 cycles
Part
Bulkhead Web
Condition
Cracked
Location
Bs 663
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 VAPOR BARRIER HAS A CARCK AT STA 663 APPROX RBL 51 / CLEANED DAMAGE AREA AS MARKED ON RT VAPOR BARRIER AT STA 663 APPROX RBL 51. STOP DRILL CRACK; PERFORMED DRY OUT NO WATER FOUND. APPLIED A PERMANENT REPAIR ON THE DAMAGE AREA AS PER B737 SRM 51-70-04-2R-10 REPAIR 10. PRIMED & TOP COAT VAPOR BARRIER AS PER B737 AMM 51-21-73-370-803. MATERIALS USED PO #1675204 AND PO# 1480720

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