Service difficulty report · Vapor Barrier · Boeing 7377H4

Difficulty date
December 6, 2023
Submitted
January 15, 2024
Operation
Air carrier
Aircraft
N919WN
Make and model
Boeing 7377H4
Aircraft serial
36625
Aircraft time
50,919 hours, 30,525 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 LOCATED AT MAIN WHEEL WELL RBL 30 AND WL 165. 2023-758128<[01] TOOL USED: CALIPER: P/N: 500-197-30 S/N: A21146543; DUE DATE: 04-DEC-24;[02] TOOL USED: HOT BONDER P/N: HCS9200B; S/N: 15102320; DUE DATE: 22-JAN-24;[03] TOOL USED SCALE P/N: SPX621; S/N: 8340225491; DUE DATE: 15-AUG-24.;[04] TOOL USED HOT BONDER P/N: HCS9200B-AV; S/N: 18185733; DUE DATE: 23-JAN-24.;[05] TOOL USED: ULTRASONIC EQUIPMENT; P/N: USM/DMS GO; S/N: USMGO11040089; DUE DATE: 06 FEB 24;[06] REPAIRED VAPOR BARRIER LOCATED AT MAIN WHEEL WELL RBL 30 AND WL 165 IAW B737-700 SRM 51-70-04-2R-10 REPAIR 10. SEE INDIVIDUAL SIGNOFFS BELOW;[07] TASK COMPLETED. RII COMPLETED.

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