Service difficulty report · Bulkhead Web · Boeing 7377BD

Difficulty date
May 24, 2021
Submitted
June 15, 2021
Operation
Air carrier
Aircraft
N7747C
Make and model
Boeing 7377BD
Aircraft serial
36091
Aircraft time
44,998 hours, 22,643 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

L/H STA 663 LOWER VAPOR BARRIER WEB CRACKED BETWEEN LBL 30 AND LBL 40 REQUIRES PERMANENT REPAIR ; / REPAIRED CRACKS IN L/H STA. 663 VAPOR BARRIER FROM LBL30-LBL40. IAW B737-700 SRM57-10-10-2R-2; SRM51-70-04-2R-10; SRM51-70-04-2R-0; VERIFIED ITEMS 3 AND 4; AUDIT C/W

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