Service difficulty report · Bulkhead Web · Boeing 7377H4

Difficulty date
August 16, 2023
Submitted
August 31, 2023
Operation
Air carrier
Aircraft
N414WN
Make and model
Boeing 7377H4
Aircraft serial
29820
Aircraft time
73,077 hours, 43,238 cycles
Part
Bulkhead Web
Part number
NOTREPORTED
Condition
Cracked
Location
Zn 100 Fus Lower
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

UPON INSPECTION OF B.S.663 VAPOR BARRIER REPAIR AT LBL 35 (FAULT TTG8Q00LA137) A SMALL CRACK IS NOTED JUST ABOVE THE PREVIOUS REPAIR ON THE FORWARD SIDE<[01] STEP 2 COMPLETE; STEP 3 IN PARTIAL.;[02] STEP 3 & 4 COMPLETE.;[03] STEP 5 COMPLETE.;[04] REPAIRED VAPOR BARRIER BS 663.75 AND AT LEVEL OF LBL 35 AT MAIN WHEEL WELL COMPARTMENT IAW SRM 57-10-10-2R-2 PAR 6. THIS IS AN INTERIM REPAIR AND REQUIRES A DETAILED VISUAL INSPECTION ON THE REPAIRED AREA AT 3;000 FLIGHT CYCLES INTERVALS IAW SRM 57-10-10-2R-2 REPAIR 2; PAR 2.C;[05] STEP 6 COMPLETE.

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