Service difficulty report · Vapor Barrier · Boeing 7377BD

Difficulty date
November 29, 2023
Submitted
December 29, 2023
Operation
Air carrier
Aircraft
N7752B
Make and model
Boeing 7377BD
Aircraft serial
33943
Aircraft time
49,226 hours, 25,511 cycles
Part
Vapor Barrier
Part number
UNKNOWN
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

CRACK ON VAPOR BARRIER LOCATED ON BS663 BTW RBL 40 AND RBL 54.21 AND BTW WL171.5 AND WL160 AT MAIN WHEEL WELL COMPARTMENT 2023-750124<[01] TOOL USED: CALIPER: PN: 600-464;SN: B17030933; DUE DATE: 07-NOV-24;[02] TOOL USED: HOT BONDER P/N: HCS9200B-AV; S/N: 18185733; DUE DATE: 23-JAN-24;[03] TOOL USED SCALE P/N CR5200 S/N 8343150722 DUE DATE 13-FEB-24;[04] TOOL USED: SCALE PN: SPX621; SN: 8340225491; DUE DATE: 15-AUG-24.;[05] EQUIPMENT P/N EPOCH 600; S/N 120357005; DUE DATE 24-JAN-24 WAS USED.;[06] REPAIRED VAPOR BARRIER LOCATED ON BS663 BTW RBL 40 AND RBL 54.21 AND BTW WL171.5 AND WL160 AT MAIN WHEEL WELL COMPARTMENT IAW B737-700 SRM 51-70-04-2R-10 REPAIR 10 SEE INDIVIDUAL SIGNOFFS BELOW;[07] REPAIRED VAPOR BARRIER LOCATED ON BS663 BTW RBL 40 AND RBL 54.21 AND BTW WL171.5 AND WL160 AT MAIN WHEEL WELL COMPARTMENT IAW B737-700 SRM 51-70-04-2R-10 REPAIR 10 SEE INDIVIDUAL SIGNOFFS BELOW. RII ACCOMPLISHED

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