Service difficulty report · Vapor Barrier · Boeing 7377H4

Difficulty date
September 23, 2023
Submitted
October 6, 2023
Operation
Air carrier
Aircraft
N901WN
Make and model
Boeing 7377H4
Aircraft serial
32545
Aircraft time
51,836 hours, 30,143 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 BS663.75 BTW RBL45.64 TO RBL 54.21 AND WL166.5 WING CENTER SECTION AT MAIN WHEEL WELL COMPARTMENT 2023-568956<[01] REPAIRED VAPOR BARRIER LOCATED BS663.75 BTW RBL45.64 TO RBL 54.21 AND WL166.5 WING CENTER SECTION AT MAIN WHEEL WELL COMPARTMENT AS PER B737-700 SRM 57-10-10-2R-2 REPAIR 2. PARAGRAPH 6. TOOL USED= CALIPER P/N: 700-113-10; S/N: 0033174; DUE DATE: 12-MAR-24;[02] CORRECTED STEP 1 - REPAIRED VAPOR BARRIER LOCATED BS663.75 BTW RBL45.64 TO RBL 54.21 AND WL166.5 WING CENTER SECTION AT MAIN WHEEL WELL COMPARTMENT AS PER B737-700 SRM 57-10-10-2R-2 REPAIR 2. PARAGRAPH 6. TOOL USED= CALIPER P/N: 700-113-10; S/N: 0033174; DUE DATE: 12-MAR-24. SEE INDIVIDUAL SIGN OFFS BELOW;[03] TASK CARD COMPLETED <BR>REPAIRED VAPOR BARRIER LOCATED BS663.75 BTW RBL45.64 TO RBL 54.21 AND WL166.5 WING CENTER SECTION AT MAIN WHEEL WELL COMPARTMENT AS PER B737-700 SRM 57-10-10-2R-2 REPAIR 2. PARAGRAPH 6. TOOL USED= CALIPER P/N: 700-113-10; S/N: 0033174; DUE DATE: 12-MAR-24. SEE INDIVIDUAL SIGN OFFS BELOW<BR>RII

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