Service difficulty report · Vapor Barrier · Boeing 7377H4

Difficulty date
March 23, 2025
Submitted
April 30, 2025
Operation
Air carrier
Aircraft
N221WN
Make and model
Boeing 7377H4
Aircraft serial
34259
Aircraft time
65,130 hours, 38,662 cycles
Part
Vapor Barrier
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

(CUSTOMER REQUEST) CRACK ON VAPOR BARRIER LOC ON BS 663.75 ON RBL 34 AT MAIN WHEEL WHEEL COMPARTMENT 2025-224146<[01] TOOL USED: CALIPER P/N: 500-196-30; S/N: A23378547; DUE DATE: 16 SEP 25.;[02] TOOL USED: HOT HONDER P/N: HCS9000B; S/N: 18175469; DUE DATE: 14 AUG 25.;[03] TOOL USED: SCALE P/N: 91847; S/N:AE-409319; DUE DATE: 29-SEP-25.;[04] TOOL USED: SCALE P/N: 91847; S/N:AE-409313; DUE DATE: 29-JUN-25.;[05] ULTRASONIC EQUIPMENT USED P/N: EPOCH 650; S/N: 190984811; DUE DATE: 24-FEB-26;[06] REPAIRED VAPOR BARRIER LOC ON BS 663.75 ON RBL 34 AT MAIN WHEEL WHEEL COMPARTMENT AS PER B737-700 SRM 51-70-04-2R-10 REPAIR 10. SEE INDIVIDUAL SIGN OFFS BELOW;[07] TASK COMPLETED ; RII ITEM <BR>SEE INDIVIDUAL SIGN OFFS BELOW

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