Service difficulty report · Vapor Barrier · Boeing 7377H4

Difficulty date
September 21, 2021
Submitted
October 28, 2021
Operation
Air carrier
Aircraft
N420WN
Make and model
Boeing 7377H4
Aircraft serial
29825
Aircraft time
66,751 hours, 39,284 cycles
Part
Vapor Barrier
Condition
Cracked
Location
L/H Mlg W/W
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 BS 663.75 AND BETWEEN LBL 6.15 TO LBL 15.54 LOWER AREA AT MAIN WHEEL WELL. EVALUATED CRACK ON VAPOR BARRIER AND FOUND WITHIN LIMITS IAW SRM 57-10-10-2R-2, REPAIR 2, PARAGRAPHS 1.A, C AND 2 C. PREPARED REPAIR AREA ON VAPOR VARRIER. INSTALLED REPAIR PATCH ON REPAIR AREA OF VAPOR VARRIER IAW SRM 57-10-10-2R-2 REPAIR 2 PARAGRAPH 6.D;E. PERFORMED AN INTERIM REPAIR ON VAPOR VARRIER IAW SRM 57-10-10-2R-2 REPAIR 2; PARAGRAPHS 1.A;C; 2.C. AND 6.

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