Service difficulty report · Bulkhead Web · Boeing 7377H4

Difficulty date
July 9, 2025
Submitted
July 11, 2025
Operation
Air carrier
Aircraft
N910WN
Make and model
Boeing 7377H4
Aircraft serial
36618
Aircraft time
56,379 hours, 33,952 cycles
Part
Bulkhead Web
Condition
Cracked
Location
Zone 100
Stage of operation
IN
How discovered
V
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

RIGHT LOWER WEB HAS A 7.0' CRACK IN THE WEB VAPOR BARRIER LOCATED BETWEEN RBL 31.83 AND RBL 40.0<[01] COMPLIED WITH EA: M-21-157-00675 REAR SPAR BS 663 VAPOR BARRIER (WHEEL WELL FWD BULKHEAD) - INTERIM REPAIR).

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