Service difficulty report · Doubler · Boeing 7377H4

Difficulty date
July 22, 2020
Submitted
August 24, 2020
Operation
Air carrier
Aircraft
N773SA
Make and model
Boeing 7377H4
Aircraft serial
27881
Aircraft time
69,119 hours, 40,733 cycles
Part
Doubler
Condition
Cracked
Location
Bs 663 Bulkhead
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

LH BS 663 VAPOR BARRIER DUCT SEAL ASSY DOUBLER IS CRACKED BETWEEN LBL 15-25 WL 148 / REMOVED & REPLACED DOUBLER ON N/R U191293. RECEIVED NEW DOUBLER FROM OUTSIDE;

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