Service difficulty report · Vapor Barrier · Boeing 7377H4

Difficulty date
December 11, 2022
Submitted
December 16, 2022
Operation
Air carrier
Aircraft
N226WN
Make and model
Boeing 7377H4
Aircraft serial
32494
Aircraft time
57,452 hours, 34,381 cycles
Part
Vapor Barrier
Condition
Cracked
Location
Bs 663 Bulkhead
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

RIGHT MLG WW HAS A 1 INCH CRACK ON UPPER VAPOR BARRIER WEB BS 663, RBL 38, WL 168. EVALUATED DAMAGE TO VAPOR BARRIER WEB, CRACK IS REPAIRABLE IAW B737 SRM 57-10-10-2R-2. CLEANED AND PREPPED REPAIR AREA IAW SRM 51-70-04-2R-10, PAR 4 STEPS A, B, AND C. BONDED REPAIR PLIES INSTALLED IAW SRM 51-70-04-2R-10, PAR 4, STEPS D, E, F, AND G, AND SRM 51-70-04-2R-0. PERFORMED NDT IAW NDT PT 1, 51-01-01. NO DEFECTS NOTED.

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