Service difficulty report · Vapor Barrier · Boeing 7377H4

Difficulty date
November 4, 2023
Submitted
December 5, 2023
Operation
Air carrier
Aircraft
N917WN
Make and model
Boeing 7377H4
Aircraft serial
36624
Aircraft time
50,873 hours, 30,732 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

CUSTOMER REQUEST CRACK ON VAPOR BARRIER LH SIDE LOCATED STA 663 BTW LBL 31 TO LBL 45 2023-694536<[01] TOOL USED: CALIPER PN: 500-197-30 SN:B20189527 DUE DATE: 26-DEC-23.;[02] TOOL USED: HOT BONDER PN: HCS9200B-AV SN: 18185781 DUE DATE: 24/JAN/24.;[03] TOOL USED: SCALE PN: CR5200 S/N: 8342514527 DUE DATE: 13/FEB/2024.;[04] TOOL USED HOT BONDER P/N: HCS9200B-AV; S/N: 18185781; DUE DATE: 24-JAN-24.;[05] TOOL USED: ULTRASONIC EQUIPMENT PN: EPOCH 6LT; SN: 230529908; DUE DATE: 22-AUG-24;[06] REPAIRED VAPOR BARRIER LH SIDE LOCATED STA 663 BTW LBL 31 TO LBL 45 IAW B737-700 SRM 51-70-04-2R-10 REPAIR 10. TOOL USED: SCALE P/N: CR5200; S/N: 8343110878; DUE DATE: 21-FEB-24. SEE INDIVIDUAL SIGNOFFS BELOW.;[07] REPAIRED VAPOR BARRIER LH SIDE LOCATED STA 663 BTW LBL 31 TO LBL 45 IAW B737-700 SRM 51-70-04-2R-10 REPAIR 10. RII COMPLETED

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