Service difficulty report · Vapor Barrier · Boeing 7377H4

Difficulty date
September 17, 2021
Submitted
November 1, 2021
Operation
Air carrier
Aircraft
N414WN
Make and model
Boeing 7377H4
Aircraft serial
29820
Aircraft time
67,826 hours, 39,808 cycles
Part
Vapor Barrier
Condition
Cracked
Location
Center Wing
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 BS 663 .75 AND AT LEVEL OF LBL 35 AT MAIN WHEEL WELL. ; 2021-431643 / [09] REPAIRED VAPOR BARRIER BS 663.75 AND AT LEVEL OF LBL 35 AT MAIN WHEEL WELL COMPARTMENT IAW B737-700 SRM 57-10-10-2R-2 REPAIR 2; PARAGRAPH 6. THIS IS AN INTERIM REPAIR AND REQUIRES A DETAILED VISUAL INSPECTION ON THE REPAIRED AREA AT 3;000 FLIGHT CYCLES INTERVALS IAW B737-700 SRM 57-10-10-2R-2 REPAIR 2; PARAGRAPHS 2.C; [10] CERTIFIED RII MAJOR REPAIR PERFORMED.

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